$60 Cheap Flights from Washington (DCA) to Denver (DEN)

View $60 flight on Tue, May 19, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Denver Intl. Airport (DEN)

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Cheap Flights from Washington to Denver (DCA-DEN)

Prices were available within the past 7 days and start at $60 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, May 11 - Tue, May 12
DCA
Washington
DEN
Denver
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, May 11 from Washington to Denver, returning Tue, May 12, priced at $108 found 1 hour ago
Frontier Airlines
Tue, May 19 - Wed, May 20
DCA
Washington
DEN
Denver
$118 Roundtrip, found 4 hours ago
$118
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, May 19 from Washington to Denver, returning Wed, May 20, priced at $118 found 4 hours ago
Frontier Airlines
Wed, May 6 - Sat, May 9
DCA
Washington
DEN
Denver
$123 Roundtrip, just found
$123
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Washington to Denver, returning Sat, May 9, priced at $123 just found
Frontier Airlines
Mon, May 11 - Sat, May 16
DCA
Washington
DEN
Denver
$128 Roundtrip, found 1 hour ago
$128
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, May 11 from Washington to Denver, returning Sat, May 16, priced at $128 found 1 hour ago
Frontier Airlines
Tue, May 5 - Sat, May 9
DCA
Washington
DEN
Denver
$133 Roundtrip, found 3 hours ago
$133
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 5 from Washington to Denver, returning Sat, May 9, priced at $133 found 3 hours ago
Frontier Airlines
Tue, May 5 - Sat, May 9
DCA
Washington
DEN
Denver
$138 Roundtrip, found 3 hours ago
$138
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 5 from Washington to Denver, returning Sat, May 9, priced at $138 found 3 hours ago
United
Tue, May 12 - Sat, May 16
DCA
Washington
DEN
Denver
$178 Roundtrip, found 3 hours ago
$178
Roundtrip
found 3 hours ago
Select United flight, departing Tue, May 12 from Washington to Denver, returning Sat, May 16, priced at $178 found 3 hours ago
Southwest Airlines
Mon, May 11 - Tue, May 12
DCA
Washington
DEN
Denver
$193 Roundtrip, found 1 hour ago
$193
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, May 11 from Washington to Denver, returning Tue, May 12, priced at $193 found 1 hour ago
Delta
Sat, May 9 - Wed, May 13
DCA
Washington
DEN
Denver
$257 Roundtrip, found 3 hours ago
$257
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, May 9 from Washington to Denver, returning Wed, May 13, priced at $257 found 3 hours ago
Alaska Airlines
Tue, Apr 28 - Fri, May 8
DCA
Washington
DEN
Denver
$377 Roundtrip, found 15 hours ago
$377
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Tue, Apr 28 from Washington to Denver, returning Fri, May 8, priced at $377 found 15 hours 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 center is 32 minutes. Flights from $198
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $198

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 cheap one-way flights from $60 and cheap return flights from $108 Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights typically cost between $162 and $1037, and return flights often range between $289 and $1144. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
September is the cheapest month to fly from Washington, DC (DCA) to Denver, CO (DEN), with average round-trip fares around $296. This is about 14% lower than the average price throughout the year, as September often sees a drop in travel after the summer season. Other economical months to consider are January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
2 airlines operate nonstop service from DCA to DEN:

  • Frontier Airlines operates around 20 direct flights from DCA to DEN every week
  • United operates around 7 direct flights from DCA to DEN every week

What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Ronald Reagan Washington National (DCA) to Denver Intl. (DEN), with round-trip tickets starting from around $50. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
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) to Denver, CO (DEN) will differ from traveler to traveler. If you like to fly early, United 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 to Denver, 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) to Denver (DEN) is typically in September or October. During these months, you can expect average return flight prices around $296, making it a budget-friendly option. September is particularly appealing as it offers pleasant weather and fewer crowds, allowing you to enjoy your trip to the fullest.*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
You can find approximately 3 nonstop flights per day from Ronald Reagan Washington National (DCA) to Denver Intl. (DEN). For more options, look at flights that include layovers.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DCA to DEN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
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 Washington, DC (DCA) to Denver (DEN) are in the morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including Southwest Airlines, Frontier Airlines, and American Airlines, offer flights during this window. This timing works well because it lets you arrive in Denver with a full day ahead to enjoy the beautiful scenery.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
Direct flights from DCA to DEN usually take about 4 hours 20 minutes, traveling roughly 1,472 miles. If you opt for a connecting flight, expect to add around 2 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
First class is available on flights from DCA to DEN. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How much is a business class flight from Washington, DC (DCA-Ronald Reagan Washington National) to Denver, CO (DEN-Denver Intl.)?
A direct, return business class ticket from Washington, DC (DCA) to Denver (DEN) typically costs between $1,576 - $2,337. 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.*Prices based on flights available on Expedia in the last year.
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 from Ronald Reagan Washington National (DCA)?
From Ronald Reagan Washington National (DCA), you can fly into Denver Intl. (DEN) to reach Denver. Some flights may connect through major hubs like Midway Intl. (MDW), Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX) 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.) Denver Vacation Packages 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, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$108
Distance
1471 mi
Average flight time
4 hours 13 mins

Book with confidence

Washington to Denver Flights

The cheapest times to fly from Washington to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Denver are during the month of May. You can find some of the cheapest flights from Washington to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Denver

Sunday is one of the best days to book for cheap flights from Washington to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Denver in 2026. You can also book with separate airlines for your outbound and return journeys, from $60 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Denver Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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