Flight deals we found
These prices are lower than our typical predictions for similar flights.
60% less than typical
$499
Roundtrip per traveler
Fri, Nov 1 - Sat, Nov 9
TAP Portugal
7h 5m
11:30pm
10:35am
+1
IAD
Nonstop
LIS
Found 8 hours ago
60% less than typical
$499
Roundtrip per traveler
Fri, Oct 18 - Mon, Oct 28
TAP Portugal
7h 15m
7:55pm
8:10am
+1
IAD
Nonstop
LIS
Found 13 hours ago
45% less than typical
$669
Roundtrip per traveler
Tue, Oct 15 - Sun, Oct 20
TAP Portugal
7h 10m
10:30pm
10:40am
+1
IAD
Nonstop
LIS
Found 1 hour ago
50% less than typical
$579
Roundtrip per traveler
Thu, Oct 31 - Tue, Nov 5
TAP Portugal
7h 5m
6:30pm
5:35am
+1
IAD
Nonstop
LIS
Found 12 hours ago
45% less than typical
$688
Roundtrip per traveler
Fri, Nov 1 - Tue, Nov 5
TAP Portugal
7h 5m
11:30pm
10:35am
+1
IAD
Nonstop
LIS
Found 13 hours ago
45% less than typical
$609
Roundtrip per traveler
Thu, Oct 10 - Wed, Nov 6
TAP Portugal
7h 15m
10:20pm
10:35am
+1
IAD
Nonstop
LIS
Found 15 hours ago
35% less than typical
$838
Roundtrip per traveler
Thu, Sep 19 - Sat, Sep 28
TAP Portugal
7h 30m
5:20pm
5:50am
+1
IAD
Nonstop
LIS
Found 16 hours ago
25% less than typical
$916
Roundtrip per traveler
Wed, Jul 17 - Tue, Jul 23
TAP Portugal
7h 15m
10:20pm
10:35am
+1
IAD
Nonstop
LIS
Just found
25% less than typical
$916
Roundtrip per traveler
Wed, Aug 7 - Tue, Aug 13
TAP Portugal
7h 15m
10:20pm
10:35am
+1
IAD
Nonstop
LIS
Found 22 hours ago
20% less than typical
$978
Roundtrip per traveler
Fri, Aug 9 - Tue, Aug 13
TAP Portugal
7h 15m
7:55pm
8:10am
+1
IAD
Nonstop
LIS
Found 22 hours ago
60% less than typical
$740
Roundtrip per traveler
Thu, Sep 26 - Sun, Sep 29
British Airways
11h 45m
10:45pm
3:30pm
+1
IAD
1 stop • 1h 35m in LHR
LIS
Found 22 hours ago
60% less than typical
$733
Roundtrip per traveler
Fri, Oct 11 - Sun, Oct 20
Royal Air Maroc
15h 20m
9:20pm
5:40pm
+1
IAD
1 stop • 6h 45m in CMN
LIS
Found 16 hours ago
60% less than typical
$740
Roundtrip per traveler
Thu, Sep 19 - Sat, Sep 28
British Airways
14h 20m
10:45pm
6:05pm
+1
IAD
1 stop • 4h 15m in LHR
LIS
Found 16 hours ago
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Cheap Flights from Arlington to Lisbon District (WAS-LIS)
Prices were available within the past 7 days and start at $305 for one-way flights and $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sun, Nov 3 - Mon, Nov 11
IAD
Washington
LIS
Lisbon
$355 Roundtrip, just found
$355
Roundtrip
just found
Sun, Nov 3 - Mon, Nov 11
BWI
Baltimore
LIS
Lisbon
$355 Roundtrip, just found
$355
Roundtrip
just found
Wed, Mar 12 - Mon, Mar 17
IAD
Washington
LIS
Lisbon
$499 Roundtrip, just found
$499
Roundtrip
just found
Mon, Oct 14 - Thu, Oct 31
IAD
Washington
LIS
Lisbon
$577 Roundtrip, found 1 day ago
$577
Roundtrip
found 1 day ago
Tue, Sep 24 - Wed, Oct 2
IAD
Washington
LIS
Lisbon
$618 Roundtrip, found 9 hours ago
$618
Roundtrip
found 9 hours ago
Sun, Nov 17 - Thu, Dec 5
IAD
Washington
LIS
Lisbon
$663 Roundtrip, found 15 hours ago
$663
Roundtrip
found 15 hours ago
Nearby Cities
*Available to One Key members.