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: Fri May 19 2017 Return: Mon May 22 2017 Trip spans 4 days
American Airlines
American Airlines
LIS
7:10a
IAD
9:48a
50h 38m
2 stops
IAD
2:25a
LIS
2:55a
24h 30m
2 stops
Depart: Fri Sep 1 2017 Return: Wed Sep 6 2017 Trip spans 6 days
United
United
LIS
8:15a
IAD
4:30p
8h 15m
nonstop
IAD
8:30a
LIS
1:45a
17h 15m
2 stops
Depart: Tue May 9 2017 Return: Fri May 12 2017 Trip spans 4 days
British Airways
British Airways
LIS
7:10a
DCA
12:03a
16h 53m
2 stops
DCA
11:45a
LIS
2:10p
26h 25m
2 stops
Depart: Fri Jun 23 2017 Return: Fri Jun 30 2017 Trip spans 8 days
Air France
Air France
LIS
1:40a
IAD
7:45p
18h 05m
1 stop
IAD
5:05p
LIS
8:40a
15h 35m
1 stop
Depart: Mon May 22 2017 Return: Tue May 23 2017 Trip spans 2 days
$1055
Select
Aer Lingus
Aer Lingus
LIS
6:20p
IAD
4:35p
22h 15m
1 stop
IAD
1:15p
LIS
12:40p
23h 25m
1 stop
Depart: Mon Jul 31 2017 Return: Thu Aug 17 2017 Trip spans 18 days
British Airways
British Airways
LIS
8:15a
DCA
11:23p
15h 08m
1 stop
DCA
11:45a
LIS
12:15a
12h 30m
1 stop
Depart: Tue Aug 1 2017 Return: Sat Sep 2 2017 Trip spans 33 days
American Airlines
American Airlines
LIS
2:55a
DCA
5:31p
14h 36m
2 stops
DCA
11:30a
LIS
12:15a
12h 45m
1 stop
Depart: Sun Jul 30 2017 Return: Thu Aug 17 2017 Trip spans 19 days
$1055
Select
British Airways
British Airways
LIS
8:15a
DCA
11:23p
15h 08m
1 stop
DCA
2:30a
LIS
12:15a
21h 45m
1 stop
Depart: Mon Jul 10 2017 Return: Thu Jul 20 2017 Trip spans 11 days
$1064
Select
British Airways
British Airways
LIS
8:15a
DCA
11:23p
15h 08m
1 stop
DCA
2:30a
LIS
12:15a
21h 45m
1 stop
Depart: Sat Jul 29 2017 Return: Thu Aug 17 2017 Trip spans 20 days
$1112
Select
British Airways
British Airways
LIS
8:15a
DCA
8:25p
12h 10m
1 stop
DCA
11:45a
LIS
12:15a
12h 30m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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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
$720
Destination

Washington
only $720
only $914
Airlines Airline reviews

6 travelers who booked a flight from Lisbon to Washington rated their chosen airlines with an average of 7.4.

Overall
7.3
Boarding
7.3
Crew
8.0
Comfort
7.3
Food
7.7
Entertainment
6.7