Find Deals on 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: Wed May 10 2017 Return: Mon May 29 2017 Trip spans 20 days
Turkish Airlines
Turkish Airlines
LIS
7:30a
IAD
8:10p
36h 40m
1 stop
IAD
7:00p
LIS
5:50a
34h 50m
1 stop
Depart: Wed Apr 19 2017 Return: Mon May 22 2017 Trip spans 34 days
Lufthansa
Lufthansa
LIS
1:55a
IAD
4:05p
14h 10m
1 stop
IAD
6:15p
LIS
1:35a
7h 20m
nonstop
Depart: Fri May 5 2017 Return: Wed May 24 2017 Trip spans 20 days
United
United
LIS
2:45a
IAD
10:10p
19h 25m
2 stops
IAD
6:20p
LIS
1:35a
7h 15m
nonstop
Depart: Wed May 3 2017 Return: Wed May 24 2017 Trip spans 22 days
Air Canada
Air Canada
LIS
3:40a
DCA
10:44p
19h 04m
2 stops
DCA
2:00a
LIS
2:10a
24h 10m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 13 2017 Trip spans 15 days
Air France
Air France
LIS
6:40a
IAD
7:45p
13h 05m
1 stop
IAD
6:00a
LIS
2:20a
20h 20m
2 stops
Depart: Mon Apr 17 2017 Return: Fri May 19 2017 Trip spans 33 days
KLM
KLM
LIS
11:35a
IAD
4:35p
29h 00m
1 stop
IAD
1:40p
LIS
5:35a
15h 55m
1 stop
Depart: Sat Apr 22 2017 Return: Sun Apr 30 2017 Trip spans 9 days
British Airways
British Airways
LIS
8:15a
DCA
11:23p
15h 08m
1 stop
DCA
11:45a
LIS
2:10p
26h 25m
2 stops
Depart: Fri Jun 9 2017 Return: Sat Jun 17 2017 Trip spans 9 days
American Airlines
American Airlines
LIS
8:35a
DCA
12:08a
15h 33m
2 stops
DCA
2:16p
LIS
12:15a
9h 59m
1 stop
Depart: Tue May 2 2017 Return: Wed May 24 2017 Trip spans 23 days
Iberia
Iberia
LIS
8:35a
DCA
12:02a
15h 27m
2 stops
DCA
8:50a
LIS
12:10a
15h 20m
2 stops
Depart: Mon May 8 2017 Return: Wed May 24 2017 Trip spans 17 days
Lufthansa
Lufthansa
LIS
3:15a
IAD
4:55p
13h 40m
1 stop
IAD
11:30a
LIS
2:10a
14h 40m
1 stop
Depart: Wed Mar 29 2017 Return: Thu Apr 27 2017 Trip spans 30 days
Lufthansa
Lufthansa
LIS
10:25a
IAD
8:00p
33h 35m
1 stop
IAD
2:05p
LIS
1:00p
22h 55m
1 stop
Depart: Thu Aug 10 2017 Return: Thu Aug 17 2017 Trip spans 8 days
Turkish Airlines
Turkish Airlines
LIS
7:30a
IAD
8:10p
36h 40m
1 stop
IAD
7:00p
LIS
5:50a
34h 50m
1 stop
Depart: Thu Jun 1 2017 Return: Wed Jun 7 2017 Trip spans 7 days
Lufthansa
Lufthansa
LIS
8:15a
IAD
4:30p
8h 15m
nonstop
IAD
6:20p
LIS
1:35a
7h 15m
nonstop
Depart: Sun Apr 23 2017 Return: Sun Apr 30 2017 Trip spans 8 days
Lufthansa
Lufthansa
LIS
10:25a
IAD
8:00p
33h 35m
1 stop
IAD
11:30a
LIS
6:10a
18h 40m
1 stop
Depart: Sun Apr 9 2017 Return: Wed Apr 19 2017 Trip spans 11 days
Lufthansa
Lufthansa
LIS
1:55a
IAD
4:05p
14h 10m
1 stop
IAD
6:30p
LIS
12:30p
18h 00m
1 stop
Depart: Sat Jun 10 2017 Return: Wed Jun 14 2017 Trip spans 5 days
Lufthansa
Lufthansa
LIS
8:15a
IAD
4:30p
8h 15m
nonstop
IAD
6:20p
LIS
1:35a
7h 15m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$586
Destination

Washington
only $586
only $683
Airlines Airline reviews

8 travelers who booked a flight from Lisbon to Washington rated their chosen airlines with an average of 7.5.

Overall
7.5
Boarding
7.5
Crew
8.0
Comfort
7.5
Food
7.8
Entertainment
7.0