$29 Cheap Flights to Denver
One-way
Departing from
United States
Going to
Denver, United States
Denver (DEN)
United States • February, 2026
85% AI deal score
$310 $29
Denver (DEN)
United States • February, 2026
85% AI deal score
$310 $29
Denver (DEN)
United States • February, 2026
85% AI deal score
$310 $29
Denver (DEN)
United States • February, 2026
85% AI deal score
$310 $29
Top Cheap Flight Deals from United States to Denver
Recent round-trip flight deals to Denver
Sat, Mar 7 - Mon, Mar 9
Cheapest
San Diego (SAN) - Denver (DEN)
Frontier Airlines airlines • Direct
Denver (DEN) - San Diego (SAN)
Frontier Airlines airlines • Direct
$98
$38
-$60
61%
Sat, Mar 7 - Mon, Mar 9
San Diego (SAN) - Denver (DEN)
Frontier Airlines airlines • Direct
Denver (DEN) - San Diego (SAN)
Frontier Airlines airlines • Direct
$98
$38
-$60
61%
Thu, Feb 19 - Fri, Feb 20
San Diego (SAN) - Denver (DEN)
Frontier Airlines airlines • Direct
Denver (DEN) - San Diego (SAN)
Frontier Airlines airlines • Direct
$118
$38
-$80
68%
Thu, Feb 19 - Fri, Feb 20
San Diego (SAN) - Denver (DEN)
Frontier Airlines airlines • Direct
Denver (DEN) - San Diego (SAN)
Frontier Airlines airlines • Direct
$118
$38
-$80
68%
Thu, Mar 5 - Fri, Mar 6
San Diego (SAN) - Denver (DEN)
Frontier Airlines airlines • Direct
Denver (DEN) - San Diego (SAN)
Frontier Airlines airlines • Direct
$98
$38
-$60
61%
Thu, Mar 5 - Fri, Mar 6
San Diego (SAN) - Denver (DEN)
Frontier Airlines airlines • Direct
Denver (DEN) - San Diego (SAN)
Frontier Airlines airlines • Direct
$98
$38
-$60
61%
The cheapest time to fly to Denver
Ready to jet to Denver on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from United States to Denver
To help you plan your journey, here are some quick Denver flight facts and tips.
Denver city airports
Denver International Airport (DEN), commonly known as DIA, is the primary airport serving the Denver metropolitan area and the Front Range Urban Corridor. As one of the largest airports in the world by land area, DEN offers an extensive network of domestic and international flights, connecting Denver to destinations across the globe. Known for its iconic peaked roof resembling the Rocky Mountains, DIA boasts modern facilities, a wide array of dining and shopping options, and efficient transportation links to downtown Denver and surrounding areas via the RTD A-Line rail service. Serving as a major hub for several airlines, including United Airlines and Southwest Airlines, Denver International Airport provides a gateway to the Rocky Mountain region and beyond, accommodating millions of passengers each year.
Pro tip: search “Denver (Any)” to see fares to all Denver airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Denver
Cheapest airport
Colorado Springs (COS)
Looking to save some serious cheddar on your flight to the Denver area? Consider flying into Colorado Springs Airport (COS)! While it's about an hour and fifteen minutes south of Denver, COS often boasts significantly lower fares and offers a less crowded, more relaxed airport experience.
Nonstop vs. 1-stop
20+ cities
Denver International Airport is a major hub for connecting flights, especially for travelers heading to or from the Rocky Mountain region; popular routes include those connecting to mountain resort destinations like Aspen and Vail.
Number of airlines
30+ airlines
Denver International Airport is served by more than 30 airlines, so you've got plenty of options to reach your dream destination; among the most popular are United, Southwest, Frontier, and Spirit.
DEN Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
DEN airport insights
Best days to catch a deal
Thur, Tue
Based on the provided data, Monday has the highest count of cheapest flight deals for Denver International Airport. Therefore, you're most likely to find a deal on Monday, followed by Sunday and Friday.
Avg. deal survival time
14.8 hours
Deals from Denver International Airport don't last long, with the average deal surviving only 14.8 hours. If you see a good price, booking quickly is essential to avoid missing out on the offer.
Rare deal frequency
6 deals
We uncovered 6 rare flight deals for Denver International Airport in the last month. These exceptional deals, which typically include mistake fares, special promotions, or ultra-discounts, achieved an AI Deal Score of 90 or higher.
Average price drop
-82%
The average price drop for flights departing from Denver International Airport is an impressive 81.7%, meaning travelers can find substantial savings on airfare. This significant decrease highlights the potential for budget-friendly travel options from this airport.
Next 4 weeks: deal forecast
Denver Flight Forecast - February 2026
Based on current trends, flight prices to Denver International are expected to remain stable next month. There are no significant price drops or increases anticipated as of January 6, 2026.
Top 5 biggest price drops (last 3 months)
Found on December 31
Cozumel - DEN
$690 → $60
91%
Found on January 4
New York - DEN
$975 → $92
91%
Found on December 31
Goroka - DEN
$6,750 → $895
87%
Found on January 4
Douglas - DEN
$2,900 → $412
86%
Found on January 3
Villahermosa - DEN
$2,010 → $281
86%
Check these nearby airports too
Looking for more options? These airports near DEN sometimes drop rare deals too:
Colorado Springs (COS)
~5 rare deals/month
Gunnison–Crested Butte Regional (GUC)
~10 rare deals/month
Pueblo Memorial (PUB)
~4 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially COS and GUC for long-haul deal surprises.
When Is the Best Time to Fly from United States to Denver
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Denver:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to Denver. While it's the heart of winter, you can snag some amazing flight deals. Bundle up and explore Denver's indoor attractions, cozy breweries, and maybe even catch a ski trip to the nearby mountains without breaking the bank!
Best day to book
Tuesday
Best day to book
Booking your flight on a Tuesday could save you some serious cash. Airlines often release new deals at the start of the week. Keep an eye out for those mid-week specials, and you might just find the perfect flight to Denver at a fraction of the cost!
Cheapest days to fly
Wednesday
Cheapest days to fly
Wednesdays are often the cheapest days to fly to Denver. Flying mid-week can help you avoid the higher prices associated with weekend travel. Plus, you'll encounter fewer crowds at the airport and during your Denver adventures, making for a smoother trip overall!
Advance booking sweet spot
2 months
Advance booking sweet spot
The sweet spot for booking flights to Denver is about two months in advance. This timeframe often offers a balance between availability and price. Booking around this time increases your chances of securing a deal without the stress of last-minute planning or the uncertainty of waiting too long.
Denver Airports & Ground Transportation
One big question for travelers is which Denver airport to fly into. Here’s a quick guide to Denver’s airports and how to get to the city from each:
Denver International Airport (DEN)
Welcome to Denver International Airport, the largest airport in North America by land area! DIA is known for its iconic peaked roof, resembling the snow-capped Rocky Mountains. Inside, you'll find a wide array of shops, restaurants, and art installations to keep you entertained. Getting downtown is a breeze thanks to the frequent and affordable trains running directly from the airport to Denver Union Station. For travelers preferring other options, taxis, ride-sharing services, and rental cars are readily available. Tip: Be sure to check out the conspiracy theories surrounding the airport's art!
Tip: If you are planning to rent a car, make sure to book in advance, especially during peak seasons, to secure the best rates and availability.
Colorado Springs Airport (COS)
Just a hop, skip, and a jump south of Denver, the Colorado Springs Airport offers a convenient alternative for reaching the southern parts of the state. This smaller airport provides a more relaxed and less crowded travel experience compared to Denver International Airport. Though COS is further from Denver, it can be a great option if you're heading to destinations like Colorado Springs or Pueblo. Getting to Denver from COS is typically done via rental car or shuttle services. You might even spot Pikes Peak on your arrival!
What to Do in Denver
Denver isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Denver, organized by interest:
Sightseeing & Landmarks
Denver is full of must-see landmarks! From the Denver Botanic Gardens to the Molly Brown House Museum, there's a sight to see for everyone. Make sure you bring your camera!
Arts & Culture
The art scene in Denver is thriving! Visit the Denver Art Museum or catch a show at the Denver Center for the Performing Arts. You can immerse yourself in the city's rich culture.
Food & Nightlife
Denver's food scene will not disappoint! With local breweries and amazing restaurants, your taste buds will thank you. Don't forget to explore the vibrant nightlife!
Shopping & Fashion
Shop 'til you drop in Denver's trendy boutiques and shopping districts! From vintage finds to high-end fashion, you can find unique styles and treasures. Be sure to check out Larimer Square!
Nearby Getaways
Escape the city and explore the stunning natural beauty around Denver! Head to the Rocky Mountain National Park for hiking or skiing in the winter. These getaways offer a refreshing break from urban life.
No matter your interest – be it art, food, nightlife, or nature – Denver 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 Denver This Month
pecos boys varsity basketball @ denver city
The Denver City High School basketball team will host Pecos High School in a non-conference game on Tuesday, January 6th at 7:30 PM. Come out and support the Denver City team as they compete! Player statistics will be available.
Denver Weather
Weather in Denver
Tue, Jan 6
0%
14° 1°
0%
Wed, Jan 7
Frequently Asked Questions About Flights to Denver
Pro Tips for Finding Cheap Flights to Denver
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Denver flights:
Be Flexible with Your Dates: Flying mid-week or during the off-season can seriously slash ticket prices. Think Tuesday or Wednesday flights instead of those pricey weekend getaways! Plus, who doesn't love a less crowded airport?
Set Up Price Alerts: Hunting for a flight to Denver? Set up a price alert on RatePunk! You'll get notified the moment prices drop, ensuring you snag the best deal. It's like having a personal flight deal fairy godmother!
