Denver to Washington

DENIAD

Fly from Denver to Washington starting at USD 98 with Frontier Airlines.Best fare available on Sep 19, 2026.Limited seats. Better plans. Book before it's gone.

Denver to Washington cheapest flights this week

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
16 Sept
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 174VIEW DEAL
18 Sept
Frontier Airlines
19:12DEN
08:17IAD
1 StopUSD 141VIEW DEAL
18 Sept
Frontier Airlines
13:05DEN
04:20IAD
1 StopUSD 170VIEW DEAL
19 Sept
Frontier Airlines
18:38DEN
04:20IAD
1 StopUSD 98VIEW DEAL
20 Sept
Frontier Airlines
19:12DEN
07:32IAD
1 StopUSD 183VIEW 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

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