
$298 Cheap Flights to Washington Dulles International
One-way
Departing from
United Kingdom
Going to
Washington Dulles International
Washington, D.C. (IAD)
United States • February, 2026
76% AI deal score
$1,690 $1,081
Washington, D.C. (IAD)
United States • January, 2026
76% AI deal score
$1,690 $1,080
Washington, D.C. (IAD)
United States • January, 2026
74% AI deal score
$1,190 $311
Washington, D.C. (IAD)
United States • November, 2025
71% AI deal score
$840 $298
Washington, D.C. (IAD)
United States • April, 2026
64% AI deal score
$750 $411
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight departing from Washington Dulles International. Fares are subject to change and may not be available for all dates. (Data last updated 11/8/2025).
Popular airlines to Washington Dulles International
American Airlines
Air Canada
Alaska Airlines, Inc.
JetBlue Airways
British Airways
Delta Air Lines
Frontier Airlines
Spirit Airlines
196,927 searches in the past 7 days on RatePunk
Flight deals up to 90% off
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Top Cheap Flight Deals to Washington Dulles International
Recent round-trip flight deals to Washington Dulles International
Wed, Dec 24 - Tue, Dec 30
Cheapest
Bermuda (BDA) - Washington, D.C. (IAD)
United Airlines airlines • 1 stop • New York (EWR)
Washington, D.C. (IAD) - Bermuda (BDA)
United Airlines airlines • 1 stop • New York (EWR)
$730
$427
-$303
42%
Wed, Dec 24 - Mon, Dec 29
Bermuda (BDA) - Washington, D.C. (IAD)
United Airlines airlines • 1 stop • New York (EWR)
Washington, D.C. (IAD) - Bermuda (BDA)
United Airlines airlines • 1 stop • New York (EWR)
$730
$427
-$303
42%
Mon, Mar 23 - Mon, Mar 30
London (LHR) - Washington, D.C. (IAD)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
Washington, D.C. (IAD) - London (LHR)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
$750
$538
-$212
28%
Fri, Mar 13 - Sun, Mar 15
London (LHR) - Washington, D.C. (IAD)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
Washington, D.C. (IAD) - London (LHR)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
$750
$545
-$205
27%
Wed, Dec 3 - Tue, Dec 9
London (LGW) - Washington, D.C. (IAD)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
Washington, D.C. (IAD) - London (LGW)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
$1,190
$565
-$625
53%
Sat, Dec 6 - Tue, Dec 9
London (LHR) - Washington, D.C. (IAD)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
Washington, D.C. (IAD) - London (LHR)
TAP Portugal airlines • 1 stop • Lisbon (LIS)
$735
$569
-$166
23%
The cheapest time to fly to Washington Dulles International
Last-Minute Flights 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
We found last-minute flight deals to Washington, D.C. departing in the next two weeks, with prices starting from $678.
⌛ Last-Minute
London - IAD
A great last-minute steal for a cross-country flight.
Found 3 days ago
$2270
round-trip
⌛ Last-Minute
Glasgow - IAD
A great last-minute steal for a cross-country flight.
Found 4 days ago
$678
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 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
Mon, Wed
Based on the data provided, Saturday is the best day to find flight deals from Washington Dulles International Airport. Monday is the worst day to find flight deals out of Dulles.
Avg. deal survival time
8.8 hours
Deals from Washington Dulles International Airport last about 8.8 hours on average. Due to the quick disappearance of deals, it's important to book quickly when you find a flight you like.
Rare deal frequency
13 deals
We discovered 13 rare flight deals for Washington Dulles International Airport in the last month. These rare deals had an AI Deal Score of 90+, and usually include mistake fares, special promotions, or ultra-discounts.
Average price drop
-75%
The average price drop for flights from Washington Dulles International Airport is 75.0%, indicating significant potential savings. Travelers flying from this airport can benefit from substantial discounts on airfares.
Next 4 weeks: deal forecast
IAD Flight Forecast
The forecast for Washington Dulles International Airport next month shows stable prices. There are no significant price drops or increases expected based on current trends.
Top 5 biggest price drops (last 3 months)
Found on November 3
Dallas - IAD
$1,638 → $233
86%
Found on November 5
León - IAD
$645 → $145
78%
Found on November 5
Victoria - IAD
$678 → $157
77%
Found on November 3
Verona - IAD
$1,545 → $389
75%
Found on November 4
Pullman - IAD
$870 → $214
75%
Check these nearby airports too
Looking for more options? These airports near IAD sometimes drop rare deals too:
Baltimore–Washington International (BWI)
~6 rare deals/month
Richmond International (RIC)
~6 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially BWI and RIC for long-haul deal surprises.
When Is the Best Time to Fly 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 Dulles International Airports & Ground Transportation
One big question for travelers is which Washington Dulles International airport to fly into. Here’s a quick guide to Washington Dulles International’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
dai dream
Find tickets to see Dai Dream perform at Creative Grounds DC in Washington, D.C. on November 8, 2025, at 7:00 PM.
dani castaneda
Ticket listings are available for Dani Castaneda's performance in Spanish, an 18+ event, at DC Comedy Loft and Bier Baron Tavern - Complex in Washington, D.C. on November 6, 2025.
eliane elias
Secure your tickets now to experience Eliane Elias live at Blues Alley in Washington, D.C. on November 8, 2025, at 9:30 PM.
lizzie the musical
Prepare for a high-energy rock experience with LIZZIE, a reimagining of the infamous 1892 axe murder story, fueled by rage, retribution, and a blistering all-female rock score. This show combines gothic horror with a riot grrrl spirit for a thrilling theatrical event.
Washington, D.C. Weather
Weather in Washington, D.C.
Wed, Nov 5
10%
23° 4°
10%
Thu, Nov 6
0%
15° 2°
0%
Fri, Nov 7
10%
17° 3°
10%
Sat, Nov 8
15%
22° 9°
15%
Sun, Nov 9
20%
21° 4°
20%
Mon, Nov 10
10%
9° -1°
10%
Tue, Nov 11
5%
9° -1°
5%
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) is mild and blossoming, averaging 8-21°C (46-70°F); summer (June-August) is hot and humid, averaging 22-31°C (72-88°F); fall (September-November) brings colorful foliage and cooler temperatures, averaging 9-22°C (48-72°F); and winter (December-February) is cold with occasional snow, averaging -2-8°C (28-46°F).
Rain: Precipitation in Washington, D.C. is fairly evenly distributed throughout the year, with rain occurring in all months and snow primarily in winter (December to March). While snow can occasionally disrupt travel, rain is more frequent but typically has minimal impact.
This week's forecast: This week in Washington, D.C. (Nov 5-11, 2025) will see temperatures ranging from -1.1°C to 22.7°C (30.02°F to 72.86°F), with mostly sunny to partly cloudy skies. There is a slight chance of rain throughout the week and a small chance of snow on Tuesday, Nov 11.
(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! 🎉✈️