Find Cheap Flights from Portugal 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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Book cheap flights from Portugal to Washington

(Round-trip)
Depart: Sun Dec 17 2017 Return: Mon Jan 22 2018 Trip spans 37 days
Turkish Airlines
Turkish Airlines
LIS
12:00a
IAD
8:10a
32h 10m
1 stop
IAD
12:00a
LIS
6:30a
30h 30m
1 stop
Depart: Tue Dec 19 2017 Return: Wed Jan 24 2018 Trip spans 37 days
TAP AIR PORTUGAL
TAP AIR PORTUGAL
LIS
12:00a
DCA
12:35p
12h 35m
1 stop
DCA
12:00a
LIS
10:31a
10h 31m
1 stop
Depart: Mon Oct 9 2017 Return: Fri Oct 13 2017 Trip spans 5 days
$1042
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Air France
Air France
LIS
12:00a
DCA
3:27p
15h 27m
2 stops
DCA
12:00a
LIS
12:22p
12h 22m
1 stop
Depart: Mon Oct 9 2017 Return: Fri Oct 13 2017 Trip spans 5 days
Turkish Airlines
Turkish Airlines
LIS
12:00a
IAD
12:40p
36h 40m
1 stop
IAD
12:00a
LIS
6:30a
30h 30m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

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Airports
Origin

Lisbon
$643
Destination

Washington
only $643
only $814