Find Cheap Flights from Washington Dulles Intl to Lisboa (IAD - LIS)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington Dulles Intl to Lisboa

(Round-trip)
Depart: Wed Nov 8 2017 Return: Mon Nov 13 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
12:05p
LIS
12:30a
12h 25m
3 stops
LIS
12:15a
IAD
4:13p
15h 58m
3 stops
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: Mon Nov 13 2017 Trip spans 7 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 Sep 14 2017 Return: Sun Sep 17 2017 Trip spans 4 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: Thu Sep 21 2017 Return: Tue Oct 3 2017 Trip spans 13 days
TAP Portugal
TAP Portugal
IAD
4:36a
LIS
8:50p
16h 14m
1 stop
LIS
1:00p
IAD
12:29a
11h 29m
1 stop
Depart: Thu Jul 27 2017 Return: Mon Aug 28 2017 Trip spans 33 days
$1045
Select
British Airways
British Airways
IAD
6:20p
LIS
2:00p
19h 40m
1 stop
LIS
6:20p
IAD
4:35p
22h 15m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 13 2017 Trip spans 15 days
$1251
Select
Lufthansa
Lufthansa
IAD
6:20p
LIS
1:35a
7h 15m
nonstop
LIS
8:15a
IAD
4:30p
8h 15m
nonstop
Depart: Tue Jul 4 2017 Return: Thu Aug 24 2017 Trip spans 52 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: Tue Oct 24 2017 Return: Sat Oct 28 2017 Trip spans 5 days
Major Airline
Major Airline
IAD
10:05a
LIS
10:10p
12h 05m
1 stop
LIS
9:05p
IAD
11:40a
14h 35m
1 stop
Depart: Fri Nov 10 2017 Return: Tue Nov 14 2017 Trip spans 5 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: Thu Nov 9 2017 Return: Mon Nov 13 2017 Trip spans 5 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: Wed Nov 15 2017 Return: Sun Nov 26 2017 Trip spans 12 days
Aer Lingus
Aer Lingus
IAD
12:30p
LIS
11:55p
11h 25m
1 stop
LIS
1:30p
IAD
3:45p
26h 15m
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: Sat Sep 23 2017 Return: Tue Oct 3 2017 Trip spans 11 days
TAP Portugal
TAP Portugal
IAD
10:25a
LIS
8:50p
10h 25m
1 stop
LIS
1:00p
IAD
12:29a
11h 29m
1 stop
Depart: Wed Nov 1 2017 Return: Tue Nov 14 2017 Trip spans 14 days
Major Airline
Major Airline
IAD
11:25a
LIS
6:20a
18h 55m
1 stop
LIS
9:15p
IAD
3:30p
18h 15m
1 stop
Depart: Thu Nov 16 2017 Return: Mon Nov 20 2017 Trip spans 5 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: Tue Oct 3 2017 Return: Thu Oct 12 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
IAD
1:15p
LIS
1:35a
12h 20m
1 stop
LIS
6:20p
IAD
4:35p
22h 15m
1 stop
Depart: Thu Aug 31 2017 Return: Mon Sep 11 2017 Trip spans 12 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: Wed Nov 22 2017 Return: Mon Nov 27 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
12:30p
LIS
3:20a
14h 50m
1 stop
LIS
12:40a
IAD
9:40a
33h 00m
1 stop
Direct flights IAD to LIS on United
Flight # Depart IAD Arrive LIS Sun Mon Tue Wed Thu Fri Sat Valid Between
168 10:20 pm 10:35 am May 24 - Sep 5
* 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.

We compile tonnes of data for you
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
$617
Destination

Lisbon
$617