Cheap flights from Denver to Washington, D.C.

Flight deals from Denver to Washington, D.C.

Below you can see the best deals on flights Denver — Washington, D.C. for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 15 September, from $84.

Top 10 cheap flights from Denver to Washington, D.C.

Denver — Washington, D.C.

10:43—22:52

1 Sep 2026

10 h 9 m

1 stop

Denver — Washington, D.C.

10:44—00:10

12 Sep 2026

11 h 26 m

1 stop

Denver — Washington, D.C.

19:10—17:18

9 Sep 2026

20 h 8 m

1 stop

Denver — Washington, D.C.

19:10—00:10

9 Sep 2026

27 h

1 stop

Denver — Washington, D.C.

19:12—10:27

9 Sep 2026

13 h 15 m

1 stop

Denver — Washington, D.C.

23:59—17:14

4 Sep 2026

15 h 15 m

1 stop

Denver — Washington, D.C.

23:59—22:52

4 Sep 2026

20 h 53 m

1 stop

Denver — Washington, D.C.

23:59—17:14

2 Sep 2026

15 h 15 m

1 stop

Denver — Washington, D.C.

23:59—22:52

2 Sep 2026

20 h 53 m

1 stop

Denver — Washington, D.C.

10:44—00:10

11 Sep 2026

11 h 26 m

1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Denver — Washington, D.C. flight

Looking for cheap flights from Denver to Washington, D.C.? Compare fares from different airlines, check the flight schedule and travel time — and book your Denver — Washington, D.C. ticket online at the best price.

The route has direct flights — around 181 flights per week, flights are operated by United Airlines, Frontier Airlines, Southwest Airlines, a nonstop flight takes about 3 h 21 min, the distance between the cities is around 2,402 km.

Planning your trip? You may find our Washington, D.C. travel guide, how to get from the airport into town and Washington, D.C. weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $84Min. price

SeptemberCheapest

MayPeak season

YesDirect flights

2,402 kmDistance

3 h 21 minTravel time

3Airlines

181 / wkFlights

Flight schedule from Denver to Washington, D.C.

The table shows direct flights from Denver to Washington, D.C. on the selected date. The flight takes approximately 3 h 21 min. Regular flights are operated by United Airlines, Frontier Airlines and Southwest Airlines. Departures from Denver International Airport and Centennial Airport airports, arrivals at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today

Any time

Last update: 14 Aug 2026

Airline

Flight

Departure

Arrival

Duration

Days

Status

Below is a calendar of the lowest flight ticket prices for Denver — Washington, D.C. by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $84 in September, and the most expensive are around $162 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Average one-way fares from Denver to Washington, D.C. by month. Tickets are usually cheapest in January (around $104) and priciest in March (about $198) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$104	low	May	$151	medium	Sep	$132	medium
Feb	$113	low	Jun	$179	high	Oct	$141	medium
Mar	$198	high	Jul	$189	high	Nov	$160	medium
Apr	$141	medium	Aug	$170	high	Dec	$189	high

Some values are estimated based on seasonality.

When to fly

Weather in Washington, D.C.: it is warmest in July (up to 32 °C on average) and coolest in January (around 7 °C). The driest month is October.

Tickets are usually cheapest in September and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

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How to get the best deal on a Denver — Washington, D.C. ticket

Book ahead: fares for Denver — Washington, D.C. are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
Denver is served by more than one airport — compare fares and travel time to each before you book.
The cheapest month to fly to Washington, D.C. is usually September — plan your trip around it if your dates are flexible.
Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Flights on the Denver — Washington, D.C. route are operated by 3 airlines; United Airlines runs the most flights (around 76% of all flights). Compare carriers, flight shares and schedules below.

United AirlinesUA
46x/week
WebsiteFleet: 956165M pax/year
- Direct flight DEN → IAD34x/week
  Duration
  3h 27m
  Days
  MTWTFSS
- Direct flight DEN → BWI7x/week
  Duration
  3h 32m
  Days
  MTWTFSS
- Direct flight DEN → DCA5x/week
  Duration
  3h 31m
  Days
  MTWTFSS
75.7%Open →
Frontier AirlinesF9
14x/week
WebsiteFleet: 15329M pax/year
- Direct flight DEN → DCA14x/week
  Duration
  3h 28m
  Days
  MTWTFSS
23.2%Open →
Southwest AirlinesWN
1x/week
WebsiteFleet: 817140M pax/year
- Direct flight DEN → DCA1x/week
1.1%Open →

Cities and airports on the Denver — Washington, D.C. route

Flights Denver — Washington, D.C. depart from Denver International Airport and Centennial Airport and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Denver

DEN

United States

About the city How to get there Weather All about the country United States

Arrival

Washington, D.C.

WAS

United States

About the city How to get there Weather All about the country United States

Departure airports

Denver International AirportDEN
About the airport
Centennial AirportAPA
About the airport

Arrival airports

Washington Dulles International AirportIAD
About the airport
Baltimore/Washington International Thurgood Marshall AirportBWI
About the airport
Ronald Reagan National AirportDCA
About the airport

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Frequently asked questions about the Denver — Washington, D.C. flight

How long is the flight from Denver to Washington, D.C.?

A nonstop Denver — Washington, D.C. flight takes about 3 h 21 min — the distance between the cities is around 2,402 km.

How far is it from Denver to Washington, D.C.?

The distance from Denver to Washington, D.C. is about 2,402 km, which a nonstop flight covers in around 3 h 21 min.

Are there direct flights from Denver to Washington, D.C.?

Yes, there are nonstop flights Denver — Washington, D.C. — around 181 flights per week.

Which airlines fly from Denver to Washington, D.C.?

Airlines operating Denver — Washington, D.C. include United Airlines, Frontier Airlines, Southwest Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Denver — Washington, D.C. flights use?

Flights from Denver depart from Denver International Airport, Centennial Airport, and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport, Ronald Reagan National Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Denver to Washington, D.C.?

The price of a Denver — Washington, D.C. ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $84 and $162. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Denver — Washington, D.C.?

Flights Denver — Washington, D.C. are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Denver to Washington, D.C.?

To catch a low fare Denver — Washington, D.C., book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Cheap flights from Denver to Washington, D.C.

Flight deals from Denver to Washington, D.C.

Top 10 cheap flights from Denver to Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Top 10 direct flights from Denver to Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver to Washington, D.C.: departing soon

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

Denver — Washington, D.C.

About the Denver — Washington, D.C. flight

Facts about this route

Flight schedule from Denver to Washington, D.C.

Flight ticket prices by day: Denver — Washington, D.C.

Prices by month

When to fly

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

We'll let you know if you need a visa

How to get the best deal on a Denver — Washington, D.C. ticket

Cities and airports on the Denver — Washington, D.C. route

Denver

Washington, D.C.

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Frequently asked questions about the Denver — Washington, D.C. flight

Where else you can fly from Denver

Where else you can fly from Washington, D.C.

Other popular routes

Other popular routes