$142 Cheap Flights from Montreal to Washington Dulles International
One-way
Departing from
Montreal
Going to
Washington Dulles International
Washington, D.C. (IAD)
United States • April, 2026
85% AI deal score
$660 $335
Washington, D.C. (IAD)
United States • May, 2026
85% AI deal score
$660 $335
Washington, D.C. (IAD)
United States • April, 2026
78% AI deal score
$330 $168
Washington, D.C. (IAD)
United States • June, 2026
77% AI deal score
$393 $167
Washington, D.C. (IAD)
United States • April, 2026
62% AI deal score
$330 $142
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to Washington Dulles International. Fares are subject to change and may not be available for all dates. (Data last updated 4/7/2026).
Popular airlines to Washington Dulles International
American Airlines
Air Canada
Alaska Airlines, Inc.
JetBlue Airways
British Airways
Delta Air Lines
Frontier Airlines
Spirit Airlines
686,437 searches in the past 7 days on RatePunk
Flight deals up to 90% off
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AI deal score and AI insights
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Top Cheap Flight Deals from Montreal to Washington Dulles International
Recent round-trip flight deals to Washington Dulles International
Thu, Jun 18 - Mon, Jun 22
Cheapest
Montreal (YUL) - Washington, D.C. (IAD)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
Washington, D.C. (IAD) - Montreal (YUL)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
$393
$239
-$154
39%
Wed, Apr 15 - Mon, Apr 20
Montreal (YUL) - Washington, D.C. (IAD)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
Washington, D.C. (IAD) - Montreal (YUL)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
$330
$248
-$82
25%
Thu, May 7 - Sun, May 10
Montreal (YUL) - Washington, D.C. (IAD)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
Washington, D.C. (IAD) - Montreal (YUL)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
$330
$252
-$78
24%
Tue, May 5 - Wed, May 20
Montreal (YUL) - Washington, D.C. (IAD)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
Washington, D.C. (IAD) - Montreal (YUL)
Porter Airlines airlines • 1 stop • Toronto (YTZ)
$330
$252
-$78
24%
Thu, Apr 9 - Mon, Apr 13
Montreal (YUL) - Washington, D.C. (IAD)
United Airlines airlines • Direct
Washington, D.C. (IAD) - Montreal (YUL)
United Airlines airlines • Direct
$330
$280
-$50
15%
Sat, May 23 - Sat, May 30
Montreal (YUL) - Washington, D.C. (IAD)
United Airlines airlines • Direct
Washington, D.C. (IAD) - Montreal (YUL)
United Airlines airlines • Direct
$330
$278
-$52
16%
The cheapest time to fly to Washington Dulles International
Ready to jet to Washington Dulles International on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights from Montreal to Washington Dulles International
Need to get to Washington Dulles International ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flight Deals to Washington D.C.
Book flights to Washington D.C. departing in the next two weeks with prices starting from $279.
⌛ Last-Minute
Montreal - IAD
A great last-minute steal for a cross-country flight.
Found 1 week ago
$279
round-trip
⌛ Last-Minute
Montreal - IAD
A great last-minute steal for a cross-country flight.
Found 6 days ago
$558
round-trip
Tip: If you don’t see your city listed, try a quick search anyway – new deals appear daily. Airlines sometimes slash prices a few days before departure to avoid empty seats.
Keep in mind, while last-minute fares can be lucky finds, booking about a month in advance generally yields cheaper flights on average. If you have flexibility, try to plan ahead. But if an unexpected trip to Washington Dulles International pops up, check our site – you might get lucky with a sudden fare drop.
Facts About Flights from Montreal to Washington, D.C.
To help you plan your journey, here are some quick Washington, D.C. flight facts and tips.
Washington, D.C. airports
Washington Dulles International Airport (IAD) is a major international airport located in Dulles, Virginia, about 26 miles west of Washington, D.C. Known for its iconic main terminal designed by Eero Saarinen, Dulles serves as a primary hub for United Airlines and offers extensive domestic and international flights. Passengers can access a wide array of amenities, including numerous dining and shopping options, lounges, and ground transportation services like the Silver Line Metro. Baltimore/Washington International Thurgood Marshall Airport (BWI) is located in Anne Arundel County, Maryland, approximately 32 miles northeast of Washington, D.C. BWI is a hub for Southwest Airlines and Spirit Airlines, focusing on domestic travel with a growing number of international routes. The airport is known for its convenient amenities, including free Wi-Fi, charging stations, and a wide selection of restaurants and shops. BWI offers efficient ground transportation options, such as the Penn Line train to D.C. and Baltimore. Ronald Reagan Washington National Airport (DCA), situated just across the Potomac River from Washington, D.C., is the closest airport to the city. With its convenient location, DCA primarily handles domestic flights, with a limited number of exceptions. The airport is easily accessible via the Metro's Blue and Yellow lines, making it a popular choice for travelers heading directly into the city. DCA features a variety of dining and shopping options, along with views of the D.C. monuments.
Washington Dulles International (IAD)
Washington, D.C., United States
Baltimore–Washington International (BWI)
Washington, D.C., United States
Ronald Reagan Washington National (DCA)
Washington, D.C., United States
Pro tip: search “Washington, D.C. (Any)” to see fares to all Washington, D.C. airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Washington Dulles International
Cheapest airport
Baltimore/Washington International Thurgood Marshall Airport (BWI)
Hey there, savvy traveler! While Washington Dulles International Airport (IAD) is your target, don't sleep on Baltimore/Washington International Thurgood Marshall Airport (BWI) – it's often the wallet-friendliest gateway to the D.C. area! BWI is known for its efficiency, easy navigation, and a solid range of amenities, making it a smart choice. Plus, it boasts a convenient rail link to Washington, D.C., ensuring you're not sacrificing convenience for cost savings! It's a win-win for your travel budget and your sanity.
Nonstop vs. 1-stop
100+ cities
Washington Dulles International Airport is a major hub, connecting travelers to over 100 cities with popular routes to destinations like San Francisco, London, and Paris.
Number of airlines
30+ airlines
Washington Dulles International Airport is served by more than 30 airlines, connecting you to destinations worldwide, from full-service carriers like United and Lufthansa to budget-friendly options like Frontier and Icelandair!
Typical price range (round-trip)
$200 - $600
Generally, flights to Washington Dulles International Airport (IAD) range from $200 to $600. Prices tend to increase during peak travel seasons like summer and holidays due to higher demand. Keep an eye on shoulder seasons for potentially better deals!
Flight frequency
1,000+ Flights
Flights to Washington Dulles International Airport (IAD) are frequent, with several flights operating daily from major cities. Peak travel seasons and popular times of the day, such as morning and evening, often see an increase in flight frequency.
IAD Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
IAD airport insights
Best days to catch a deal
Thur, Fri
Based on the provided data, Sunday is the day with the most frequent cheap deals for flights from Washington Dulles International Airport. Saturday is the next best day to find a deal at this airport.
Avg. deal survival time
6.0 hours
Deals from Washington Dulles International airport last on average 6.0 hours. Be sure to book quickly if you find a deal that you like!
Rare deal frequency
4 deals
In the past month, we identified 4 rare deals for Washington Dulles International Airport. These exceptional opportunities achieved an AI Deal Score of 90+, typically arising from mistake fares, special promotions, or ultra-discounts.
Average price drop
-66%
On average, flights to Washington Dulles International airport see a price decrease of 66.2%. This means you have a good chance of snagging a deal if you monitor prices for flights to this airport.
Next 4 weeks: deal forecast
IAD Flight Forecast - Next Month
Based on current trends, flights from Washington Dulles International are expected to remain stable next month. There are no significant price drops or increases anticipated as of April 1, 2026.
Top 5 biggest price drops (last 3 months)
Found on March 31
Pico Island - IAD
$4,850 → $518
89%
Found on March 25
Dortmund - IAD
$3,275 → $450
86%
Found on March 25
Mexico City - IAD
$1,215 → $232
81%
Found on March 27
Lynchburg - IAD
$653 → $136
79%
Found on March 25
Puerto Francisco de Orellana - IAD
$1,475 → $363
75%
Check these nearby airports too
Looking for more options? These airports near IAD sometimes drop rare deals too:
Atlantic City International (ACY)
~14 rare deals/month
Baltimore–Washington International (BWI)
~5 rare deals/month
Richmond International (RIC)
~3 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially ACY and BWI for long-haul deal surprises.
When Is the Best Time to Fly from Montreal to Washington Dulles International
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Washington Dulles International:
Cheapest month
January
Cheapest month
If you're dreaming of monuments and museums without the crowds, January is your golden ticket to Washington, D.C.! The city transforms into a serene wonderland, offering a peaceful escape and fantastic deals. Just picture yourself strolling through the National Mall, practically having the Smithsonian all to yourself!
Best day to book
Tuesday
Best day to book
Snagging the best flight deal is an art, and Tuesdays are your paintbrush! Airlines often release their deals early in the week, making Tuesday the prime day to pounce on those discounts. So set your reminders and make Tuesday your travel planning day.
Cheapest days to fly
Wednesday
Cheapest days to fly
Looking to save some serious dough on your flights? Wednesday might just be your lucky day! Flying mid-week often translates to lower fares, as business travel dips and airlines try to fill those seats. Pack your bags for a Wednesday departure and watch those savings soar!
Advance booking sweet spot
2 Months
Advance booking sweet spot
For Washington, D.C., booking about two months ahead hits that sweet spot. You'll have a better chance of snagging ideal flight times and prices before they skyrocket. It's the perfect balance between planning and spontaneity!
Seasonal considerations
Distinct
Seasonal considerations
Washington, D.C. experiences distinct seasonal travel patterns. Summer sees a surge in tourists eager to explore the outdoors, while winter offers quieter, budget-friendly visits. Tailoring your travel dates to these seasonal shifts could unlock significant savings and a more personalized experience.
TL;DR: To sum it up, January is the cheapest month to fly to Washington, D.C., offering a serene and crowd-free experience. Tuesdays are the optimal day to book your flight, while Wednesdays are the cheapest days to fly. Aim to book about two months in advance to secure the best deals. D.C. has distinct seasonal travel patterns, so consider traveling in the off-season for the best prices.
Washington, D.C. Airports & Ground Transportation
One big question for travelers is which Washington, D.C. airport to fly into. Here’s a quick guide to Washington, D.C.’s airports and how to get to the city from each:
Washington Dulles International Airport (IAD)
Washington Dulles International Airport, or IAD, is a major airport serving the Washington, D.C. metropolitan area. Located about 26 miles west of downtown D.C., in Virginia, Dulles is a hub for United Airlines and offers a wide range of domestic and international flights. The airport boasts a variety of amenities, including numerous restaurants, shops, and lounges, ensuring a comfortable travel experience. Its iconic main terminal, designed by Eero Saarinen, is an architectural marvel. Getting to downtown D.C. is easy via the Silver Line Metrorail, Washington Flyer Silver Line Express bus, or ride-sharing services.
Tip: Consider using the Silver Line Metrorail to avoid traffic when traveling to and from the city.
Ronald Reagan Washington National Airport (DCA)
Ronald Reagan Washington National Airport, or DCA, is the closest airport to downtown Washington, D.C., situated just across the Potomac River in Arlington, Virginia. DCA is known for its convenience and stunning views of the D.C. monuments during take-off and landing. The airport offers a variety of dining and shopping options, as well as easy access to the city. However, DCA has some restrictions on long-distance flights. You can reach downtown D.C. quickly via the Yellow and Blue Line Metrorail, taxis, or ride-sharing services.
Tip: Take advantage of the Metrorail for a quick and affordable trip into the city.
Baltimore/Washington International Thurgood Marshall Airport (BWI)
Baltimore/Washington International Thurgood Marshall Airport, or BWI, is another major airport serving the Washington, D.C. area, although it is located further away, about 32 miles northeast of D.C. and near Baltimore, Maryland. BWI is a hub for Southwest Airlines and offers a wide selection of domestic flights, often at competitive prices. The airport provides a range of amenities, including shops, restaurants and art exhibits. Transportation options to D.C. include the MARC train to Union Station, the B30 Metro Bus to the Greenbelt Metro Station, or ride-sharing services.
Tip: Check out the MARC train for a cost-effective way to travel between BWI and downtown D.C.
Other airports
Okay, so you're looking for flights to or from Washington, D.C., but you want to explore all your options? Makes sense! Sometimes the best deals aren't always at the most obvious airport. Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, Maryland, and Dulles International Airport (IAD) in Dulles, Virginia are great alternative airports to fly into when traveling to Washington, D.C. BWI is serviced by Amtrak and light rail, which is a perk, however the Amtrak and light rail routes only take you to the Union Station, so you need to find alternate transportation from there.
Airport transfers
Getting around D.C. from its airports is a breeze thanks to a variety of options. From the convenient Metrorail that connects directly to Reagan National Airport to a plethora of taxi and rideshare services, you'll be exploring monuments and museums in no time. For those flying into Dulles or BWI, consider shuttle services or renting a car for maximum flexibility, though the Metro is a solid option for those airports as well!
What to Do in Washington, D.C.
Washington, D.C. isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Washington, D.C., organized by interest:
Sightseeing & landmarks
Get ready to be wowed by iconic landmarks like the White House, the U.S. Capitol Building, and the Washington Monument! Don't forget to explore the moving memorials dedicated to past presidents and war heroes. Each site tells a piece of American history, making for an unforgettable sightseeing adventure!
Arts & culture
Dive into D.C.'s vibrant arts scene with world-class museums like the Smithsonian National Museum of Natural History and the National Gallery of Art. Catch a show at the historic Ford's Theatre or explore contemporary works at the Hirshhorn Museum. The city's cultural offerings are as diverse as they are captivating!
Food & nightlife
D.C.'s food scene is a delicious melting pot, offering everything from Michelin-starred restaurants to cozy neighborhood eateries. After dark, the city comes alive with lively bars, music venues, and rooftop lounges. Whether you're craving a gourmet meal or a night of dancing, D.C. has something to satisfy every taste.
Shopping & fashion
Shop 'til you drop in D.C.'s diverse retail districts, from high-end boutiques in Georgetown to unique finds in Eastern Market. Explore the latest fashion trends, discover local crafts, and bring home one-of-a-kind souvenirs. D.C. is a shopper's paradise with a touch of political chic!
Nearby getaways
Escape the city buzz with a quick trip to nearby gems like Alexandria, Virginia, with its historic charm and waterfront views, or venture to the scenic Shenandoah National Park for hiking and breathtaking vistas. These getaways offer a refreshing change of pace and a chance to explore the natural beauty surrounding Washington, D.C.
No matter your interest – be it art, food, nightlife, or nature – Washington, D.C. has something for everyone. And the best part? Many events and attractions refresh throughout the year, so there’s always something new to experience each visit.
Events in Washington, D.C. This Month
city of the sun
City of the Sun, a powerhouse trio from NYC, offers an experiential musical experience that redefines instrumental music and appeals to a new generation of listeners. Their unique sound is captivating and innovative.
washington d.c. small business expo 2026
Small Business Expo DC is a dynamic event that fosters innovation and success. It provides attendees with valuable opportunities through free workshops, engaging panel discussions, and efficient speed networking sessions.
fridayy
Experience an unforgettable night with Grammy-nominated artist Fridayy live at Throw Social DC on Saturday, April 4th, from 10 PM to 4 AM. Immerse yourself in the music, energy, and electrifying atmosphere as Fridayy takes the stage.
reading the city: the land trap — solid state books
In 'The Land Trap,' Mike Bird, Wall Street editor at The Economist, unveils the hidden influence of land, the world's oldest asset, on our modern economy, revealing its surprising and enduring impact.
city tap dupont drag brunch
Join Evry Pleasure & Crimsyn and an amazing cast of drag performers every weekend at City Tap Dupont for an award-winning Drag Brunch. Enjoy a delicious brunch menu and refreshing drinks while being entertained by top-notch performances.
Washington, D.C. Weather
Weather in Washington, D.C.
Tue, Mar 31
15%
27° 14°
15%
Wed, Apr 1
45%
29° 16°
45%
Thu, Apr 2
25%
20° 9°
25%
Fri, Apr 3
10%
26° 10°
10%
Sat, Apr 4
15%
28° 16°
15%
Sun, Apr 5
75%
25° 6°
75%
Mon, Apr 6
10%
14° 5°
10%
Here’s a quick look at the weather you can expect, plus this week’s forecast:
Seasons: Washington, D.C. experiences four distinct seasons. Spring (March-May) sees temperatures ranging from 12-24°C (54-75°F) and blooming cherry blossoms. Summer (June-August) brings heat and humidity, with temperatures between 24-32°C (75-90°F). Fall (September-November) offers mild temperatures from 13-21°C (55-70°F) and colorful foliage, while Winter (December-February) is cold, with temperatures between -1-7°C (30-45°F) and occasional snowfall.
Rain: Washington, D.C. experiences precipitation throughout the year, including both rain and snow. Rain is common in spring and summer, while snow typically falls in winter months, potentially causing travel delays, but conditions are usually manageable.
This week's forecast: This week in Washington, D.C., temperatures will range from 12.5°C to 29.4°C (54.5°F to 84.92°F). There will be partly cloudy conditions with a chance of rain on some days and sunny conditions towards the end of the week.
(We update the weather forecast weekly so you know what to expect during your travel week. Always check a day or two before your flight for the most current conditions.)
Frequently Asked Questions About Flights to Washington Dulles International
(Have more questions?) Feel free to reach out or check our comprehensive Washington Dulles International travel guide. We’re here to help make your flight to Washington Dulles International (and the trip itself) as smooth as possible.
Pro Tips for Finding Cheap Flights to Washington Dulles International
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Washington Dulles International flights:
Be Flexible with Dates: Sometimes, flying a day earlier or later can drastically cut costs. Mid-week flights are often cheaper than weekends. Play around with your dates to see where the deals hide!
Consider Nearby Airports: Dulles isn't the only game in town! Check flights into Reagan National or Baltimore-Washington International. You might snag a cheaper flight and not be too far from your final destination.
Fly During Off-Peak Seasons: Avoid flying during major holidays or school breaks. Prices tend to soar when everyone else is traveling. Aim for the shoulder seasons (spring and fall) for better deals.
Set Up Price Alerts: Let RatePunk do the work for you! Set up price alerts for your desired route and dates. You'll get notified when prices drop, ensuring you never miss a bargain.
Mix and Match Airlines: Don't be afraid to fly one airline on the way there and another on the way back. Sometimes, booking two one-way tickets can be cheaper than a round-trip with the same airline.
Book in Advance (But Not Too Early): While last-minute deals are rare, booking too far in advance isn't always the best strategy either. Aim to book a few months ahead for domestic flights and a bit earlier for international trips.
Embrace Layovers: Non-stop flights are convenient, but they often come with a premium price tag. Consider flights with layovers. A slightly longer travel time could save you a bundle.
Check Budget Airlines: Don't overlook budget airlines! While they might charge extra for baggage and snacks, the base fares can be incredibly low. Just be sure to factor in those extra costs.
Clear Your Browser Cookies: Airlines and travel sites sometimes track your searches and raise prices accordingly. Clear your cookies or use incognito mode to see if prices drop.
Use Miles and Points: If you're a frequent flyer, cash in those miles and points! Dulles is a major hub, so there are plenty of opportunities to use your rewards for free or discounted flights.
By keeping these tips in mind, you’ll be well-equipped to find the cheapest flights to Washington Dulles International and make the most of your travel budget. After all, the more you save on your flight, the more you can spend on a Broadway show, a nice meal, or an extra tour in Washington Dulles International! 🎉✈️