Find Cheap Flights to Washington

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to Washington

(Round-trip)
Depart: Fri Nov 24 2017 Return: Thu Dec 7 2017 Trip spans 14 days
Frontier
Frontier
DEN
DCA
3h 19m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Tue Dec 12 2017 Return: Wed Dec 13 2017 Trip spans 2 days
United
United
DEN
IAD
3h 03m
nonstop
IAD
DEN
3h 50m
nonstop
Depart: Thu Dec 28 2017 Return: Fri Dec 29 2017 Trip spans 2 days
American Airlines
American Airlines
ORD
DCA
9h 15m
1 stop
DCA
ORD
2h 23m
nonstop
Depart: Wed Nov 29 2017 Return: Wed Dec 6 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 03m
nonstop
Depart: Thu Nov 30 2017 Return: Thu Dec 14 2017 Trip spans 15 days
Frontier
Frontier
DEN
DCA
3h 19m
nonstop
DCA
DEN
4h 10m
nonstop
Depart: Fri Dec 1 2017 Return: Fri Dec 8 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Tue Dec 19 2017 Return: Tue Jan 9 2018 Trip spans 22 days
United
United
DEN
IAD
3h 17m
nonstop
IAD
DEN
4h 01m
nonstop
Depart: Sat Dec 2 2017 Return: Sat Dec 9 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Sun Dec 3 2017 Return: Sun Dec 10 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 10m
nonstop
Depart: Mon Dec 4 2017 Return: Mon Dec 11 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Tue Dec 5 2017 Return: Tue Dec 12 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 19m
nonstop
DCA
DEN
4h 10m
nonstop
Depart: Wed Dec 6 2017 Return: Wed Dec 13 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Thu Dec 7 2017 Return: Thu Dec 14 2017 Trip spans 8 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Fri Dec 8 2017 Return: Mon Dec 11 2017 Trip spans 4 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Sat Dec 9 2017 Return: Tue Dec 12 2017 Trip spans 4 days
Frontier
Frontier
DEN
DCA
3h 20m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Sun Dec 10 2017 Return: Thu Dec 14 2017 Trip spans 5 days
Frontier
Frontier
DEN
DCA
3h 25m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Mon Dec 11 2017 Return: Thu Dec 14 2017 Trip spans 4 days
Frontier
Frontier
DEN
DCA
3h 25m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Tue Dec 12 2017 Return: Thu Dec 14 2017 Trip spans 3 days
Frontier
Frontier
DEN
DCA
3h 25m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Wed Dec 13 2017 Return: Thu Dec 14 2017 Trip spans 2 days
Frontier
Frontier
DEN
DCA
3h 25m
nonstop
DCA
DEN
4h 06m
nonstop
Depart: Thu Dec 14 2017 Return: Sun Jan 7 2018 Trip spans 25 days
Frontier
Frontier
DEN
DCA
3h 26m
nonstop
DCA
DEN
4h 10m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Chicago
$181
Denver
$137
Destination

Washington
only $177
only $137