CA $162 Cheap Flights from Washington (DCA) to Denver (DEN)

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 $162 for one-way flights and CA $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
Delta
Delta
Delta
American Airlines
JetBlue Airways
Alaska Airlines
United

Alternative airports near Denver

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

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

December is typically the cheapest month to fly

From CA $85 - CA $551 per traveller.

Frequently asked questions

How much is a flight from National Airport to Denver Airport?
If you're travelling from Ronald Reagan Washington National Airport (DCA) to Denver Intl. Airport (DEN), round-trip flights start from CA $338. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DCA to DIA airport?
Every airline has a different set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Ronald Reagan Washington National Airport (DCA) to DIA airport that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from National Airport to Denver Intl. Airport (DEN). This allows you to snag a fantastic price in advance and still have the freedom to reschedule without any additional fees. You'll just need to pay the fare difference, if applicable.
How many hours is the flight from DCA to DEN?
The average flight between DCA and DEN is 4 hours and 12 minutes. If you're travelling with kids, it's always a good idea to pack a few healthy snacks in your hand luggage.
How far is the flight from National Airport to Denver Airport?
The flight distance from DCA to DIA airport is 2,400 kilometres. Bring along a drink, a snack and a good movie. Keep yourself entertained and the hours will fly by.
Which airlines fly direct from DCA to Denver Intl. Airport (DEN)?
Many people opt to fly with Frontier Airlines (F9) from Ronald Reagan Washington National Airport (DCA) to DIA airport. It offers 91 flights monthly, so you can pick a flight time that's right for you. You could also check out the airfares with United Airlines (UA). This airline operates 30 monthly flights between Arlington and Denver.
Are DCA to DIA airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get amazing last-minute deals from DCA to DEN, but there's no guarantee. As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest assured you're always seeing the latest offers.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $338
Distance
2355 km
Average flight time
3 hours 12 mins

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