Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Washington, D.C. from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Washington, D.C. departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:40 am - 1:06 pmDEN-DCA
3h 26mnonstop
Frontier Logo
2:00 pm - 4:15 pmDCA-DEN
4h 15mnonstop
$130Frontier
Find Deal
dom, dez 14 - ter, dez 16
Frontier Logo
7:35 am - 1:02 pmDEN-DCA
3h 27mnonstop
Frontier Logo
8:15 am - 10:20 amDCA-DEN
4h 05mnonstop
$131Frontier
Find Deal
sáb, nov 15 - seg, nov 17
Frontier Logo
7:40 am - 1:06 pmDEN-DCA
3h 26mnonstop
Frontier Logo
1:00 pm - 3:06 pmDCA-DEN
4h 06mnonstop
$133Frontier
Find Deal
dom, dez 7 - qua, dez 10
Frontier Logo
4:38 pm - 9:59 pmDEN-DCA
3h 21mnonstop
Frontier Logo
8:00 am - 10:13 amDCA-DEN
4h 13mnonstop
$135Frontier
Find Deal
qua, fev 11 - dom, fev 15
Frontier Logo
7:40 am - 1:06 pmDEN-DCA
3h 26mnonstop
Frontier Logo
6:00 pm - 8:12 pmDCA-DEN
4h 12mnonstop
$136Frontier
Find Deal
ter, dez 2 - sáb, dez 6
Frontier Logo
11:38 am - 4:59 pmDEN-DCA
3h 21mnonstop
Frontier Logo
6:00 pm - 8:12 pmDCA-DEN
4h 12mnonstop
$137Frontier
Find Deal
qui, fev 12 - ter, fev 17
Frontier Logo
7:40 am - 1:06 pmDEN-DCA
3h 26mnonstop
Frontier Logo
8:00 am - 10:13 amDCA-DEN
4h 13mnonstop
$139Frontier
Find Deal
ter, jan 6 - qui, jan 8
Multiple Airlines Logo
11:38 am - 4:59 pmDEN-DCA
3h 21mnonstop
Multiple Airlines Logo
5:08 pm - 10:45 amDCA-DEN
19h 37m1 stop
$177Multiple Airlines
Find Deal
sex, dez 5 - sáb, dez 6
JetBlue Logo
11:50 am - 10:59 pmDEN-DCA
9h 09m1 stop
JetBlue Logo
6:00 am - 11:05 amDCA-DEN
7h 05m1 stop
$185JetBlue
Find Deal
ter, dez 9 - qui, dez 11
American Airlines Logo
6:23 am - 1:54 pmDEN-DCA
5h 31m1 stop
American Airlines Logo
3:59 pm - 8:53 pmDCA-DEN
6h 54m1 stop
$197American Airlines
Find Deal
qua, jan 21 - ter, jan 27

Frontier flights from Denver to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Denver to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Dec 14
DEN7:40 amDenver Intl
3h 26m
DCA1:06 pmWashington, D.C. Reagan-National
Dec 16
DCA2:00 pmWashington, D.C. Reagan-National
4h 15m
DEN4:15 pmDenver Intl
$130
Find similar
Frontier
Nov 15
DEN7:35 amDenver Intl
3h 27m
DCA1:02 pmWashington, D.C. Reagan-National
Nov 17
DCA8:15 amWashington, D.C. Reagan-National
4h 05m
DEN10:20 amDenver Intl
$131
Find similar
Frontier
Dec 7
DEN7:40 amDenver Intl
3h 26m
DCA1:06 pmWashington, D.C. Reagan-National
Dec 10
DCA1:00 pmWashington, D.C. Reagan-National
4h 06m
DEN3:06 pmDenver Intl
$133
Find similar

JetBlue flights from Denver to Washington, D.C. Reagan-National Airport

Our best JetBlue deals on Denver to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Dec 9
DEN11:50 amDenver Intl
9h 09m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Dec 11
DCA6:00 amWashington, D.C. Reagan-National
7h 05m
1 stop
DEN11:05 amDenver Intl
$185
Find similar
JetBlue
Nov 12
DEN11:50 amDenver Intl
9h 09m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Nov 16
DCA6:24 amWashington, D.C. Reagan-National
6h 41m
1 stop
DEN11:05 amDenver Intl
$201
Find similar
JetBlue
Nov 12
DEN11:50 amDenver Intl
9h 09m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Nov 16
DCA6:24 amWashington, D.C. Reagan-National
6h 41m
1 stop
DEN11:05 amDenver Intl
$206
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated outubro 29, 2025.
Use the filters below to find and compare flights from Denver to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

dom 12/14

7:40 am-1:06 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

ter 12/16

2:00 pm-4:15 pm

Nonstop4h 15m

$130

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

sáb 11/15

7:35 am-1:02 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

seg 11/17

8:15 am-10:20 am

Nonstop4h 05m

$131

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

dom 12/7

7:40 am-1:06 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

qua 12/10

1:00 pm-3:06 pm

Nonstop4h 06m

$133

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

qua 2/11

4:38 pm-9:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

dom 2/15

8:00 am-10:13 am

Nonstop4h 13m

$135

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

ter 12/2

7:40 am-1:06 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

sáb 12/6

6:00 pm-8:12 pm

Nonstop4h 12m

$136

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

qui 2/12

11:38 am-4:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

ter 2/17

6:00 pm-8:12 pm

Nonstop4h 12m

$137

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

ter 1/6

7:40 am-1:06 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

qui 1/8

8:00 am-10:13 am

Nonstop4h 13m

$139

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

sex 12/5

11:38 am-4:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

sáb 12/6

5:08 pm-10:45 am

1 stop19h 37m

$177

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

ter 12/9

11:50 am-10:59 pm

1 stop9h 09m

Washington, D.C. Reagan-National

qui 12/11

6:00 am-11:05 am

1 stop7h 05m

$185

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

qua 1/21

6:23 am-1:54 pm

1 stop5h 31m

Washington, D.C. Reagan-National

ter 1/27

3:59 pm-8:53 pm

1 stop6h 54m

$197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Denver to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of September is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Denver, with most prices found around $200. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $214.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Denver to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $214. Flights from Denver to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $291. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Denver to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as $242. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $317.

What is the cheapest Denver Intl to Washington, D.C. Reagan-National flight route?

Fly from Denver Intl to Washington, D.C. Reagan-National for the best Denver Intl - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $249 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Denver for as low as $192 on momondo.

What cabin class options are available on Denver Intl to Washington, D.C. Reagan-National flights?

There are 4 cabin classes available to choose from on Denver Intl to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Denver to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of October 2025, prices for Denver to Washington, D.C. Reagan-National Airport flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Washington, D.C. Reagan-National Airport (DEN to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Washington, D.C. Reagan-National Airport

Best Price Found

$89

Fastest flight time

3h 16m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Denver in the past 72 hours is $89. The best round-trip flight deal from Denver to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $150.
The fastest flight from Denver to Washington, D.C. Reagan-National Airport takes 3h 16m
Direct flights go from Denver to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • How far is Denver Intl to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Denver Intl to Washington, D.C. Reagan-National is 1488.5 mi. Typically, this will take 3h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Denver Intl Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Denver Intl Airport to Washington, D.C. Reagan-National Airport were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Denver Intl Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Denver to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Denver to Washington, D.C. Reagan-National Airport?

Best airlines flying from Denver to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Denver to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $99Free CancellationRating
5.8
3,124 reviews
Search Frontier flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,992 reviews
Search Delta flights
SouthwestPriceFrom $237Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

  • Southwest Flights From Denver to Washington, D.C. Reagan-National Airport

    Southwest flies from Denver to Washington, D.C. Reagan-National Airport around 4 times per week, with 4,241 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Denver to Washington, D.C. Reagan-National Airport in the last 72 hours was $237 (round-trip), much lower than the average airfare cost of $368 for Southwest flights on this route.

  • United Airlines Flights From Denver to Washington, D.C. Reagan-National Airport

    United Airlines is also a popular choice for this route. United Airlines flight deals for Denver to Washington, D.C. Reagan-National Airport start from as low as $179 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $393. United Airlines operates 10 flights to Washington, D.C. Reagan-National Airport from Denver in an average week. Users have rated it 7.4/10 across 8,999 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Washington, D.C.?

Finding the right flight to Washington, D.C. from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Denver to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Washington, D.C.?

Once you have performed a search for Denver to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Denver to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Denver and alert you when they change.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sex 11/28
sex 12/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.