$128 Cheap Frontier Airlines flights Denver (DEN) to Washington (DCA)

View $128 flight on Tue, Oct 7, 2025Opens in a new window

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$128 Cheap Frontier Airlines flights Denver (DEN) to Washington (DCA)

Prices were available within the past 7 days and start at $128 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Sep 20 - Tue, Sep 23
DEN
Denver
DCA
Washington
$199 Roundtrip, just found
$199
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 20 from Denver to Washington, returning Tue, Sep 23, priced at $199 just found
Frontier Airlines
Wed, Jul 2 - Fri, Jul 4
DEN
Denver
DCA
Washington
$204 Roundtrip, just found
$204
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 2 from Denver to Washington, returning Fri, Jul 4, priced at $204 just found
Frontier Airlines
Fri, Jul 4 - Fri, Jul 11
DEN
Denver
DCA
Washington
$208 Roundtrip, found 16 hours ago
$208
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Fri, Jul 4 from Denver to Washington, returning Fri, Jul 11, priced at $208 found 16 hours ago
Frontier Airlines
Sat, Jul 26 - Sat, Aug 2
DEN
Denver
DCA
Washington
$218 Roundtrip, just found
$218
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jul 26 from Denver to Washington, returning Sat, Aug 2, priced at $218 just found
Frontier Airlines
Tue, Sep 16 - Mon, Sep 22
DEN
Denver
DCA
Washington
$227 Roundtrip, found 1 hour ago
$227
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Sep 16 from Denver to Washington, returning Mon, Sep 22, priced at $227 found 1 hour ago
Frontier Airlines
Sat, Jul 26 - Mon, Jul 28
DEN
Denver
DCA
Washington
$228 Roundtrip, just found
$228
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jul 26 from Denver to Washington, returning Mon, Jul 28, priced at $228 just found
Flights from Denver (DEN) to Washington (DCA)
Origin airport
Denver Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1471 mi
Average flight time
6 hours 15 mins

Frequently asked questions

How much is a Frontier Airlines flight from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Make use of the "Price (lowest to highest)" filter on Expedia to find cheap Frontier Airlines round-trip flights from $199 from DEN to DCA. Affordable one-way options from $128 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to DCA with Frontier Airlines?
Look for round-trip or one-way flights to Washington in January or February. You could find cheaper fares with Frontier Airlines during these quieter months.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) with Frontier Airlines?
Look for affordable Frontier Airlines flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Frontier Airlines offers direct flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA), with 21 weekly departures. Simply use the "Nonstop" and "Airline" filters during your search on Expedia to see all direct Frontier Airlines flights to DCA.
How long does it take to fly from DEN to DCA with Frontier Airlines?
Take off from Denver Intl. Airport (DEN) for Ronald Reagan Washington National Airport (DCA) on a direct Frontier Airlines flight, and you'll be in the skies for around 3h 18m.
Which day of the week has the most Frontier Airlines flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Frontier Airlines has the most flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA) on Thursday. With up to 3 daily departures, you'll get the most flexibility on this day.
What is the earliest Frontier Airlines flight from DEN to DCA?
The earliest Frontier Airlines flight from DEN to DCA takes off at 6:43AM UTC-7, touching down at 12:06PM UTC-5. If you prefer to jet off later in the day, the last Frontier Airlines flight leaves DEN at 4:39PM UTC-7 and touches down at DCA at 9:59PM UTC-5. Flying early is often a good idea as morning flights are less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Washington?
When jetting off from Denver Intl. Airport (DEN) to Washington with Frontier Airlines, you'll probably touch down at Ronald Reagan Washington National Airport (DCA). This is the airline's main hub in the city. Other nearby airports such as Washington Dulles Intl. Airport (IAD) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) may offer more affordable flights, so it's a good idea to explore all options on Expedia.
Why fly with Frontier Airlines from DEN to DCA?
A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to travel from DEN to DCA with Frontier Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* on top of Frontier Airlines's loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Frontier Airlines fly from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Frontier Airlines usually flies Airbus A320neo planes for flights from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA). This carrier also operates the Airbus A320 on this route. Remember that aircraft type can vary due to operational demands, so the plane you catch might be different on the day.
Can I change or cancel my Frontier Airlines flight from Denver Intl. Airport (DEN) to Ronald Reagan Washington National Airport (DCA)?
Depending on the ticket type you purchased, a fee may apply if you cancel or change your flight more than 24 hours after it's been confirmed. To secure flexible plane tickets, select our "No cancel fee" or "Changes included" filter when looking for flights. To learn more about modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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