Denver to Washington

DENIAD

Fly from Denver to Washington starting at USD 141 with Frontier Airlines.Best fare available on Sep 18, 2026.Limited seats. Better plans. Book before it's gone.

Denver to Washington cheapest flights this week

6 Sept
Frontier Airlines
06:00DEN
14:07IAD
1 StopUSD 163VIEW DEAL
6 Sept
Frontier Airlines
10:09DEN
16:29IAD
1 StopUSD 163VIEW DEAL
7 Sept
Frontier Airlines
22:45DEN
03:01IAD
1 StopUSD 186VIEW DEAL
9 Sept
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 161VIEW DEAL
10 Sept
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 166VIEW DEAL
11 Sept
Frontier Airlines
10:44DEN
22:10IAD
1 StopUSD 146VIEW DEAL
11 Sept
Frontier Airlines
19:12DEN
08:17IAD
1 StopUSD 153VIEW DEAL
12 Sept
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 167VIEW DEAL
15 Sept
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 151VIEW DEAL
18 Sept
Frontier Airlines
19:12DEN
08:17IAD
1 StopUSD 141VIEW DEAL

Denver to Washington monthly flight fare trend

Sep
from USD 98
Oct
from USD 114
Nov
from USD 96
Dec
No flights
Jan
No flights
Feb
No flights

Airport Details

Origin

Denver

Denver International Airport (DEN)

Denver, DEN
Zone

Denver

Elev

5431 ft

Destination

Washington

Washington Dulles International Airport (IAD)

Dulles, IAD
Zone

New York

Elev

312 ft

Flights from Denver

Flights from Denver to AtlantaFlights from Denver to AustinFlights from Denver to BostonFlights from Denver to CharlotteFlights from Denver to DallasFlights from Denver to DetroitFlights from Denver to NewarkFlights from Denver to Fort LauderdaleFlights from Denver to HonoluluFlights from Denver to Houston