Airlinecoop.org

Cheap flights from Washington to Denver

50 nonstop flights a week, 4 of them today. Operated by 3 airlines, about 4h 10m in the air, 1,489 mi (2,396 km). Tickets from $125, nonstop from $187.

Flights from Washington to Denver

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Washington to Denver

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Washington to Denver

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $125 22 December 2026, with a connection Cheapest nonstop $187 15 November 2026, Frontier Airlines Cheapest in the next 7 days $167 14 November, Sat Cheapest weekend departure $144 Sat, 21 November 2026
Cheapest day of the week Saturday $193 on average over the next 120 days
Cheapest month December 2026 tickets from $125

Washington to Denver at a glance

flight time, from 3h 55m to 11h
4h 10m
straight-line distance
1,489 mi (2,396 km)
flights a week
50
flights today
4
first and last departure
06:00 - 08:20
lowest price, with a connection, 22 December
$125
lowest nonstop price
$187
airlines
3

Washington to Denver ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $125. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $144. The average across months is $134.

Washington to Denver flight schedule

50 flights a week, 4 today, 42 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
UA 1450
United Airlines
06:00 Ronald Reagan National, terminal 2
12:07 Denver International
8h 7m
Daily
Boeing 737
UA 2264
United Airlines
06:10 Washington Dulles International
08:19 Denver International
4h 9m
Mon, Thu, Fri, Sat, Sun
Boeing 737
WN 992
Southwest Airlines
06:10 Baltimore/Wash International Thurgood Marshall
08:20 Denver International
4h 10m
Mon, Tue, Wed, Thu
Boeing 737
WN 992
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
08:25 Denver International
4h 10m
Mon, Fri, Sun
Boeing 737-800
WN 2345
Southwest Airlines
06:30 Baltimore/Wash International Thurgood Marshall
10:55 Denver International
6h 25m
Mon, Thu, Fri, Sun
Boeing 737-800
WN 1121
Southwest Airlines
06:35 Baltimore/Wash International Thurgood Marshall
11:15 Denver International
6h 40m
Mon, Thu, Fri, Sun
Boeing 737
F9 685
Frontier Airlines
07:00 Ronald Reagan National, terminal 1
09:16 Denver International
4h 16m
Tue, Wed, Thu, Fri, Sat, Sun
Airbus A320 NEO
WN 1537
Southwest Airlines
07:05 Ronald Reagan National, terminal 1
10:35 Denver International
5h 30m
Sat
WN 1452
Southwest Airlines
07:25 Ronald Reagan National, terminal 1
14:15 Denver International
8h 50m
Sat
WN 992
Southwest Airlines
07:40 Baltimore/Wash International Thurgood Marshall
09:45 Denver International
4h 5m
Sat
Boeing 737-800
WN 993
Southwest Airlines
08:05 Baltimore/Wash International Thurgood Marshall
10:20 Denver International
4h 15m
Mon, Tue, Wed, Thu
Boeing 737
WN 1021
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
12:40 Denver International
6h 30m
Mon, Thu, Fri, Sun
WN 993
Southwest Airlines
08:15 Baltimore/Wash International Thurgood Marshall
10:30 Denver International
4h 15m
Mon, Thu, Fri, Sun
Boeing 737
UA 792
United Airlines
08:20 Washington Dulles International
10:29 Denver International
4h 9m
Tue, Wed, Thu, Fri, Sat
Airbus A320

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1316
Southwest Airlines
06:30 Baltimore/Wash International Thurgood Marshall
10:25 Denver International
5h 55m
Seasonal
Boeing 737
WN 2185
Southwest Airlines
06:30 Baltimore/Wash International Thurgood Marshall
10:50 Denver International
6h 20m
Seasonal
Boeing 737-800
WN 993
Southwest Airlines
08:00 Baltimore/Wash International Thurgood Marshall
10:00 Denver International
4h
Seasonal
Boeing 737-800
WN 860
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
13:10 Denver International
7h
Seasonal
Boeing 737
UA 318
United Airlines
06:10 Baltimore/Wash International Thurgood Marshall
10:26 Denver International
6h 16m
Seasonal
Boeing 737-800
UA 1882
United Airlines
08:00 Ronald Reagan National, terminal 2
10:15 Denver International
4h 15m
Seasonal
Airbus A320
WN 992
Southwest Airlines
06:20 Baltimore/Wash International Thurgood Marshall
08:30 Denver International
4h 10m
Seasonal
Boeing 737
WN 993
Southwest Airlines
07:55 Baltimore/Wash International Thurgood Marshall
10:00 Denver International
4h 5m
Seasonal
Boeing 737-800
UA 1450
United Airlines
06:05 Ronald Reagan National, terminal 2
11:27 Denver International
7h 22m
Seasonal
Boeing 737
UA 2412
United Airlines
08:10 Baltimore/Wash International Thurgood Marshall
10:16 Denver International
4h 6m
Seasonal
Boeing 737
UA 792
United Airlines
08:22 Washington Dulles International
10:26 Denver International
4h 4m
Seasonal
Boeing 777
UA 2412
United Airlines
07:55 Baltimore/Wash International Thurgood Marshall
10:01 Denver International
4h 6m
Seasonal
Boeing 737
UA 2663
United Airlines
06:00 Baltimore/Wash International Thurgood Marshall
14:47 Denver International
10h 47m
Seasonal
Boeing 737-900
UA 2357
United Airlines
06:45 Washington Dulles International
08:54 Denver International
4h 9m
Seasonal
Boeing 757-300
F9 685
Frontier Airlines
08:00 Ronald Reagan National, terminal 1
10:18 Denver International
4h 18m
Seasonal
Airbus A320 NEO
UA 2412
United Airlines
08:00 Baltimore/Wash International Thurgood Marshall
10:08 Denver International
4h 8m
Seasonal
Airbus A319
UA 792
United Airlines
08:15 Washington Dulles International
10:27 Denver International
4h 12m
Seasonal
Airbus A320
UA 2412
United Airlines
08:15 Baltimore/Wash International Thurgood Marshall
10:25 Denver International
4h 10m
Seasonal
Boeing 737-800
WN 860
Southwest Airlines
07:00 Baltimore/Wash International Thurgood Marshall
09:10 Denver International
4h 10m
Seasonal
Boeing 737
WN 1057
Southwest Airlines
06:00 Ronald Reagan National, terminal 1
10:55 Denver International
6h 55m
Seasonal
WN 860
Southwest Airlines
06:50 Baltimore/Wash International Thurgood Marshall
09:00 Denver International
4h 10m
Seasonal
Boeing 737
WN 860
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
08:25 Denver International
4h 10m
Seasonal
WN 1417
Southwest Airlines
08:20 Baltimore/Wash International Thurgood Marshall
17:20 Denver International
11h
Seasonal
WN 697
Southwest Airlines
06:10 Ronald Reagan National, terminal 1
12:50 Denver International
8h 40m
Seasonal
Boeing 737
WN 1842
Southwest Airlines
08:05 Baltimore/Wash International Thurgood Marshall
12:15 Denver International
6h 10m
Seasonal
Boeing 737-800
WN 931
Southwest Airlines
06:20 Baltimore/Wash International Thurgood Marshall
08:30 Denver International
4h 10m
Seasonal
Boeing 737
WN 932
Southwest Airlines
08:00 Baltimore/Wash International Thurgood Marshall
10:05 Denver International
4h 5m
Seasonal
Boeing 737-800
WN 2934
Southwest Airlines
08:20 Baltimore/Wash International Thurgood Marshall
11:40 Denver International
5h 20m
Seasonal
WN 932
Southwest Airlines
08:15 Baltimore/Wash International Thurgood Marshall
10:25 Denver International
4h 10m
Seasonal
Boeing 737-800
WN 310
Southwest Airlines
06:45 Ronald Reagan National, terminal 1
11:40 Denver International
6h 55m
Seasonal
WN 932
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
10:20 Denver International
4h 10m
Seasonal
Boeing 737-800
WN 133
Southwest Airlines
06:25 Baltimore/Wash International Thurgood Marshall
08:35 Denver International
4h 10m
Seasonal
Boeing 737
WN 4547
Southwest Airlines
06:10 Baltimore/Wash International Thurgood Marshall
08:05 Denver International
3h 55m
Seasonal
Boeing 737
WN 942
Southwest Airlines
06:05 Baltimore/Wash International Thurgood Marshall
08:00 Denver International
3h 55m
Seasonal
Boeing 737
WN 1048
Southwest Airlines
06:35 Baltimore/Wash International Thurgood Marshall
12:15 Denver International
7h 40m
Seasonal
Boeing 737
WN 943
Southwest Airlines
08:00 Baltimore/Wash International Thurgood Marshall
10:05 Denver International
4h 5m
Seasonal
Boeing 737
WN 942
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
08:15 Denver International
4h
Seasonal
Boeing 737
WN 770
Southwest Airlines
06:10 Baltimore/Wash International Thurgood Marshall
08:05 Denver International
3h 55m
Seasonal
WN 771
Southwest Airlines
08:00 Baltimore/Wash International Thurgood Marshall
09:55 Denver International
3h 55m
Seasonal
Boeing 737
WN 770
Southwest Airlines
06:05 Baltimore/Wash International Thurgood Marshall
08:00 Denver International
3h 55m
Seasonal
WN 130
Southwest Airlines
06:10 Baltimore/Wash International Thurgood Marshall
08:05 Denver International
3h 55m
Seasonal
WN 771
Southwest Airlines
07:35 Baltimore/Wash International Thurgood Marshall
09:30 Denver International
3h 55m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Denver is 2 hours behind Washington. The search shows seat availability and the price for your date.

Airlines flying Washington to Denver

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Southwest Airlines27 a week United Airlines17 a week Frontier Airlines6 a week

Airports

Where flights from Washington to Denver depart and land

Departure from Washington

Baltimore/Wash International Thurgood Marshall BWI

25 flights a week, 28 mi (45 km) from the city centre

About the airport
Ronald Reagan National closest to the centreDCA

15 flights a week, terminals 1, 2, 3 mi (5 km) from the city centre

About the airport
Washington Dulles International IAD

10 flights a week, 22 mi (36 km) from the city centre

About the airport

Arrival in Denver

Denver International DEN

50 flights a week, 18 mi (29 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Washington to Denver?
A nonstop flight takes 4 hours 10 minutes on average, from 3h 55m to 11h depending on the flight.
How far is Denver from Washington?
1,489 mi (2,396 km) in a straight line between the cities.
Which airlines fly nonstop from Washington to Denver?
Southwest Airlines (27 a week), United Airlines (17 a week) and Frontier Airlines (6 a week).
How many flights a day are there from Washington to Denver?
4 flights today and 50 a week, about 7.1 a day on average.
When are the first and last flights from Washington to Denver?
The first departure is at 06:00 (UA1450), the last at 08:20 (UA792). Local time.
What is the cheapest month to fly from Washington to Denver?
December 2026: tickets from $125. The most expensive is November 2026, from $144.
What is the cheapest upcoming date to fly from Washington to Denver?
22 December 2026 (Tuesday): from $125 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Washington to Denver?
Frontier Airlines: nonstop tickets from $187 on 15 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Washington and Denver?
Denver is 2 hours behind Washington. Schedule times on this page are local to each airport.
Which Washington airport do flights to Denver leave from?
Baltimore/Wash International Thurgood Marshall (25 a week), Ronald Reagan National (15 a week) and Washington Dulles International (10 a week).