IAD - LIS

$264 Find cheap flights from Washington Dulles Airport to Lisbon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Lisbon departing on 7/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/10
Wed 7/17

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Lisbon.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Lisbon.
In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

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Cheap flight deals from Dulles Intl to Lisbon (IAD-LIS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Lisbon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
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6:05 pm - 8:15 pmIAD-LIS
21h 10m1 stop
9:15 pm - 4:55 pmLIS-IAD
24h 40m1 stop
$378PLAY
Find Deal
Thu, Dec 5 - Mon, Dec 9
6:05 pm - 8:15 pmIAD-LIS
21h 10m1 stop
9:15 pm - 4:55 pmLIS-IAD
24h 40m1 stop
$381PLAY
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Thu, Dec 5 - Mon, Dec 16
10:00 pm - 9:45 pmIAD-LIS
18h 45m1 stop
6:35 pm - 3:45 pmLIS-IAD
26h 10m1 stop
$478British Airways
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Tue, Nov 5 - Mon, Nov 11
10:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
9:15 am - 1:00 pmLIS-IAD
8h 45mnonstop
$483TAP AIR PORTUGAL
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Wed, Nov 6 - Mon, Nov 11
10:25 pm - 10:40 amIAD-LIS
7h 15mnonstop
5:00 pm - 8:20 pmLIS-IAD
8h 20mnonstop
$496TAP AIR PORTUGAL
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Mon, Aug 26 - Thu, Sep 5
10:00 pm - 9:55 amIAD-LIS
30h 55m1 stop
6:35 pm - 8:00 pmLIS-IAD
30h 25m1 stop
$506British Airways
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Tue, Nov 19 - Mon, Dec 2
9:30 pm - 4:55 pmIAD-LIS
15h 25m1 stop
5:55 pm - 6:30 pmLIS-IAD
29h 35m1 stop
$548Royal Air Maroc
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Fri, Nov 1 - Tue, Nov 5
9:20 pm - 5:40 pmIAD-LIS
15h 20m1 stop
6:40 pm - 7:20 pmLIS-IAD
29h 40m1 stop
$572Royal Air Maroc
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Mon, Oct 14 - Tue, Oct 22
10:10 pm - 10:30 amIAD-LIS
7h 20mnonstop
11:00 am - 8:38 pmLIS-IAD
14h 38m1 stop
$655United Airlines
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Tue, Nov 12 - Thu, Nov 21
10:10 pm - 10:30 amIAD-LIS
7h 20mnonstop
5:00 am - 2:40 pmLIS-IAD
14h 40m1 stop
$657United Airlines
Find Deal
Wed, Nov 13 - Fri, Nov 22