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CA $238 Cheap Flights from Washington (DCA) to Denver (DEN)

View CA $238 flight on Sat, Aug 29, 2026Opens in a new window

Popular airlines from Ronald Reagan National Airport (DCA) to Denver International Airport (DEN)

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Cheap flights from Washington (DCA) to Denver (DEN)

Prices were available within the past 7 days and start at CA $238 for one-way flights and CA $452 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Aug 21 - Tue, Sep 1
DCA
Washington
DEN
Denver
CA $452 Roundtrip, found 5 days ago
CA $452
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Fri, Aug 21 from Washington to Denver, returning Tue, Sep 1, priced at CA $452 found 5 days ago
JetBlue Airways
Wed, Sep 9 - Fri, Sep 11
DCA
Washington
DEN
Denver
CA $454 Roundtrip, found 5 days ago
CA $454
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Sep 9 from Washington to Denver, returning Fri, Sep 11, priced at CA $454 found 5 days ago
JetBlue Airways
Fri, Aug 21 - Fri, Sep 4
DCA
Washington
DEN
Denver
CA $463 Roundtrip, found 5 days ago
CA $463
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Fri, Aug 21 from Washington to Denver, returning Fri, Sep 4, priced at CA $463 found 5 days ago
JetBlue Airways
Sun, Sep 6 - Fri, Sep 11
DCA
Washington
DEN
Denver
CA $465 Roundtrip, found 5 days ago
CA $465
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sun, Sep 6 from Washington to Denver, returning Fri, Sep 11, priced at CA $465 found 5 days ago
JetBlue Airways
Sat, Sep 5 - Sun, Sep 6
DCA
Washington
DEN
Denver
CA $470 Roundtrip, found 5 days ago
CA $470
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Sep 5 from Washington to Denver, returning Sun, Sep 6, priced at CA $470 found 5 days ago
American Airlines
Thu, Aug 27 - Mon, Aug 31
DCA
Washington
DEN
Denver
CA $475 Roundtrip, found 17 hours ago
CA $475
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Aug 27 from Washington to Denver, returning Mon, Aug 31, priced at CA $475 found 17 hours ago
Delta
Tue, Aug 25 - Sat, Aug 29
DCA
Washington
DEN
Denver
CA $475 Roundtrip, found 18 hours ago
CA $475
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Aug 25 from Washington to Denver, returning Sat, Aug 29, priced at CA $475 found 18 hours ago
American Airlines
Sat, Sep 5 - Sun, Sep 6
DCA
Washington
DEN
Denver
CA $477 Roundtrip, found 5 days ago
CA $477
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 5 from Washington to Denver, returning Sun, Sep 6, priced at CA $477 found 5 days ago
United
Thu, Aug 20 - Sun, Aug 30
DCA
Washington
DEN
Denver
CA $577 Roundtrip, found 5 days ago
CA $577
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 20 from Washington to Denver, returning Sun, Aug 30, priced at CA $577 found 5 days ago
Alaska Airlines
Tue, Aug 25 - Thu, Aug 27
DCA
Washington
DEN
Denver
CA $761 Roundtrip, found 1 day ago
CA $761
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Washington to Denver, returning Thu, Aug 27, priced at CA $761 found 1 day ago

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city centre is 32 minutes. Flights from CA $559
DEN
Denver Intl.
Cheapest
Average driving time to city centre32 min
Flights from CA $559

Find the cheapest month to fly from Washington (DCA) to Denver (DEN)

August is typically the cheapest month to fly

From CA $285 - CA $356 per traveller.

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) cost?
You can find one-way and return flights from DCA to DEN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DCA to DEN ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (DCA) to Denver, CO (DEN)?
The cheapest months to fly from Washington, DC (DCA) to Denver, CO (DEN) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
There are 2 airlines offering direct flights from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.). Here are the carriers:
  • Frontier Airlines operates 20 direct flights from Ronald Reagan Washington National to Denver Intl. every week.
  • United operates 7 direct flights from Ronald Reagan Washington National to Denver Intl. every week.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) will differ from traveler to traveler. If you like to fly early, Frontier Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United offers the most daily flights from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
The best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) is typically September or October. These months offer a great balance, with prices around CA$412 for a return flight. While these months are known for more affordable fares, you'll still find plenty of flight options. September and October bring pleasant autumn weather to Denver, making it a lovely time to visit. If you're flexible, these months give you both good fares and excellent flight schedules to work with.
How many flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
You'll find approximately 4 nonstop flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.). For even more choices, look at flights that include layovers, as there are around 149 connecting flights daily. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) typically departs around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
You'll typically find the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) on a Sunday, with around 97 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and Delta. Flight options are notably more on Sundays compared to other days of the week, offering you greater flexibility.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Ronald Reagan Washington National (DCA) to Denver Intl. (DEN) are in the early morning, from 6am to 9am. Many major carriers, including Frontier Airlines, Southwest Airlines and American Airlines, offer flights during this window. Many travellers prefer this time because it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
A nonstop flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) typically takes around 4 hours 18 minutes. This route covers a distance of approximately 2,369 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 7 hours. Flights with two or more stops will take even longer, averaging about 9 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
You can fly business class or first class between DCA and DEN. You can fly business class with Frontier Airlines and Delta.First class cabins are available on:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines

How much is a business class flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
A non-stop, one-way business class flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) is usually around CA$1,177 - CA$1,673. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) if you opt for a connecting flight.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver, CO (DEN) from Washington, DC (DCA)?
If you're planning to travel to Denver from Ronald Reagan Washington National (DCA), you can fly directly into Denver Intl. (DEN). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or San Francisco Intl. (SFO) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $452
Distance
2355 km
Average flight time
3 hours 2 mins

Book with confidence

Washington to Denver Flights

The easy way to book your flights from Washington to Denver 

With Expedia, it’s simple to find and book flights to Denver from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Denver Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Denver today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ronald Reagan Washington National, DCA to Denver Intl., DEN 

Sort your search results by price to find great deals on your flight from Washington to Denver—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Denver from Washington currently is just CA $452 rising to CA $761.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Denver  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Denver from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Denver with Expedia today.

Washington to Denver Flights

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