Denver to Washington

DENIAD

Fly from Denver to Washington starting at USD 173 with Frontier Airlines.Best fare available on Oct 7, 2026.Limited seats. Better plans. Book before it's gone.

Denver to Washington cheapest flights this week

30 Sept
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 237VIEW DEAL
1 Oct
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 186VIEW DEAL
2 Oct
Frontier Airlines
19:12DEN
06:38IAD
1 StopUSD 201VIEW DEAL
2 Oct
Frontier Airlines
07:30DEN
20:51IAD
3 StopUSD 1,473VIEW DEAL
3 Oct
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 187VIEW DEAL
4 Oct
Frontier Airlines
06:40DEN
08:17IAD
1 StopUSD 189VIEW DEAL
5 Oct
Frontier Airlines
06:40DEN
08:17IAD
1 StopUSD 181VIEW DEAL
6 Oct
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 176VIEW DEAL
7 Oct
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 173VIEW DEAL
8 Oct
Frontier Airlines
09:44DEN
04:20IAD
1 StopUSD 183VIEW DEAL

Denver to Washington monthly flight fare trend

Sep
from USD 237
Oct
from USD 114
Nov
from USD 114
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

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