Find Cheap Flights from Washington to Portugal

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 Washington to Portugal

(Round-trip)
Depart: Wed Nov 8 2017 Return: Fri Nov 17 2017 Trip spans 10 days
Major Airline
Major Airline
IAD
7:40a
LIS
10:20p
14h 40m
1 stop
LIS
8:25p
IAD
10:05a
13h 40m
1 stop
Depart: Wed Nov 15 2017 Return: Sat Nov 25 2017 Trip spans 11 days
Aer Lingus
Aer Lingus
IAD
12:30p
LIS
11:55p
11h 25m
1 stop
LIS
5:40a
IAD
3:45p
34h 05m
1 stop
Depart: Sat Nov 18 2017 Return: Mon Nov 27 2017 Trip spans 10 days
Royal Air Maroc
Royal Air Maroc
IAD
4:15p
LIS
5:25a
13h 10m
1 stop
LIS
10:05a
IAD
7:15p
33h 10m
1 stop
Depart: Thu Aug 31 2017 Return: Sun Sep 10 2017 Trip spans 11 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
LIS
5:50a
34h 50m
1 stop
LIS
7:30a
IAD
8:10p
36h 40m
1 stop
Depart: Fri Sep 8 2017 Return: Sat Sep 16 2017 Trip spans 9 days
Iberia
Iberia
DCA
10:30a
LIS
12:10a
13h 40m
2 stops
LIS
3:45a
DCA
7:16p
15h 31m
2 stops
Depart: Mon Oct 16 2017 Return: Tue Oct 24 2017 Trip spans 9 days
TAP Portugal
TAP Portugal
DCA
11:14a
LIS
8:50p
9h 36m
1 stop
LIS
6:45a
DCA
9:11p
14h 26m
1 stop
Depart: Wed Jul 12 2017 Return: Tue Jul 25 2017 Trip spans 14 days
British Airways
British Airways
DCA
3:35p
LIS
2:00p
46h 25m
2 stops
LIS
7:55a
DCA
11:23p
15h 28m
1 stop
Depart: Wed Jul 5 2017 Return: Tue Aug 8 2017 Trip spans 35 days
$1072
Select
SAS
SAS
IAD
1:15p
FAO
9:35a
20h 20m
1 stop
FAO
3:25p
IAD
4:00p
24h 35m
1 stop
Depart: Fri May 26 2017 Return: Tue May 30 2017 Trip spans 5 days
$1124
Select
Lufthansa
Lufthansa
IAD
6:30p
LIS
12:30p
18h 00m
1 stop
LIS
10:25a
IAD
8:00p
33h 35m
1 stop
Depart: Thu Sep 14 2017 Return: Sat Sep 23 2017 Trip spans 10 days
Major Airline
Major Airline
DCA
5:49a
PDL
7:25p
13h 36m
1 stop
PDL
9:00a
DCA
6:59p
9h 59m
1 stop
Depart: Mon Jun 5 2017 Return: Tue Jun 13 2017 Trip spans 9 days
$1251
Select
United
United
IAD
6:20p
LIS
1:35a
7h 15m
nonstop
LIS
8:15a
IAD
4:30p
8h 15m
nonstop
Depart: Wed Oct 25 2017 Return: Mon Nov 6 2017 Trip spans 13 days
Major Airline
Major Airline
IAD
2:20p
LIS
5:05a
14h 45m
1 stop
LIS
12:40a
IAD
3:30p
14h 50m
1 stop
Depart: Fri Nov 17 2017 Return: Sat Nov 25 2017 Trip spans 9 days
Aer Lingus
Aer Lingus
IAD
12:30p
LIS
11:55p
11h 25m
1 stop
LIS
5:40a
IAD
3:45p
34h 05m
1 stop
Depart: Tue Nov 7 2017 Return: Wed Nov 22 2017 Trip spans 16 days
Royal Air Maroc
Royal Air Maroc
IAD
4:15p
LIS
4:05a
11h 50m
1 stop
LIS
6:35a
IAD
7:15p
12h 40m
1 stop
Depart: Fri Nov 10 2017 Return: Fri Nov 17 2017 Trip spans 8 days
Major Airline
Major Airline
DCA
1:30a
LIS
10:25p
20h 55m
2 stops
LIS
8:05p
DCA
5:21p
21h 16m
2 stops
Depart: Mon Nov 20 2017 Return: Sat Nov 25 2017 Trip spans 6 days
Aer Lingus
Aer Lingus
IAD
12:30p
LIS
11:55p
11h 25m
1 stop
LIS
5:40a
IAD
3:45p
34h 05m
1 stop
Depart: Fri Aug 18 2017 Return: Mon Sep 11 2017 Trip spans 25 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
LIS
5:50a
34h 50m
1 stop
LIS
11:45a
IAD
8:10p
32h 25m
1 stop
Depart: Tue Nov 14 2017 Return: Fri Nov 24 2017 Trip spans 11 days
Royal Air Maroc
Royal Air Maroc
IAD
4:15p
LIS
4:05a
11h 50m
1 stop
LIS
10:05a
IAD
7:15p
33h 10m
1 stop
Depart: Thu Nov 9 2017 Return: Mon Nov 13 2017 Trip spans 5 days
Major Airline
Major Airline
DCA
6:31a
LIS
4:15p
9h 44m
1 stop
LIS
5:00a
DCA
5:03p
12h 03m
1 stop
Depart: Sun Nov 19 2017 Return: Sat Nov 25 2017 Trip spans 7 days
Aer Lingus
Aer Lingus
IAD
12:30p
LIS
7:45a
19h 15m
1 stop
LIS
5:40a
IAD
3:45p
34h 05m
1 stop
* 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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Why aren’t prices accurate 100% of the time?
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Airports
Origin

Washington
only $603
only $625
Destination

Lisbon
$603
Faro
$1072
Ponta Delgada (Açores)
$625