Find Deals on Flights from Basel EuroAirport Swiss to Seattle

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 Basel EuroAirport Swiss to Seattle

(Round-trip)
Depart: Tue Sep 5 2017 Return: Mon Sep 25 2017 Trip spans 21 days
Air France
Air France
BSL
2:45a
SEA
4:51p
14h 06m
1 stop
SEA
9:10a
BSL
5:00a
19h 50m
1 stop
Depart: Sun Sep 3 2017 Return: Tue Sep 19 2017 Trip spans 17 days
KLM
KLM
BSL
2:20a
SEA
12:37a
22h 17m
2 stops
SEA
2:15a
BSL
8:45p
18h 30m
2 stops
Depart: Mon Aug 7 2017 Return: Wed Aug 30 2017 Trip spans 24 days
$1102
Select
Condor
Condor
BSL
7:20a
SEA
3:55a
20h 35m
2 stops
SEA
1:15p
BSL
9:50a
20h 35m
1 stop
Depart: Fri Apr 14 2017 Return: Sat Apr 22 2017 Trip spans 9 days
$1213
Select
British Airways
British Airways
BSL
7:55a
SEA
4:15p
32h 20m
1 stop
SEA
3:15p
BSL
10:10p
30h 55m
1 stop
Depart: Fri Aug 11 2017 Return: Sat Aug 19 2017 Trip spans 9 days
$1316
Select
Turkish Airlines
Turkish Airlines
BSL
7:20a
SEA
2:20a
43h 00m
2 stops
SEA
7:40a
BSL
9:25p
37h 45m
2 stops
Depart: Wed Sep 6 2017 Return: Mon Sep 25 2017 Trip spans 20 days
Air France
Air France
BSL
2:45a
SEA
4:51p
14h 06m
1 stop
SEA
9:10a
BSL
5:00a
19h 50m
1 stop
Depart: Thu Sep 7 2017 Return: Mon Sep 25 2017 Trip spans 19 days
Air France
Air France
BSL
2:45a
SEA
4:51p
14h 06m
1 stop
SEA
9:10a
BSL
5:00a
19h 50m
1 stop
Depart: Mon Sep 4 2017 Return: Mon Sep 25 2017 Trip spans 22 days
Air France
Air France
BSL
2:35p
SEA
4:51p
26h 16m
1 stop
SEA
9:10a
BSL
5:00a
19h 50m
1 stop
Depart: Sat Sep 2 2017 Return: Mon Sep 25 2017 Trip spans 24 days
Air France
Air France
BSL
2:45a
SEA
4:51p
14h 06m
1 stop
SEA
9:10a
BSL
5:00a
19h 50m
1 stop
Depart: Fri Sep 8 2017 Return: Mon Sep 25 2017 Trip spans 18 days
Air France
Air France
BSL
2:45a
SEA
4:51p
14h 06m
1 stop
SEA
9:10a
BSL
5:00a
19h 50m
1 stop
Depart: Tue Aug 8 2017 Return: Wed Aug 16 2017 Trip spans 9 days
$1381
Select
KLM
KLM
BSL
6:15a
SEA
7:11p
12h 56m
1 stop
SEA
7:43a
BSL
12:50a
17h 07m
2 stops
Depart: Wed Aug 9 2017 Return: Wed Aug 16 2017 Trip spans 8 days
$1384
Select
British Airways
British Airways
BSL
2:50a
SEA
12:53a
22h 03m
2 stops
SEA
10:45a
BSL
5:00a
18h 15m
2 stops
Depart: Thu Aug 10 2017 Return: Wed Aug 16 2017 Trip spans 7 days
$1381
Select
KLM
KLM
BSL
2:10a
SEA
4:10p
14h 00m
1 stop
SEA
6:10a
BSL
12:50a
18h 40m
2 stops
Depart: Sun Aug 6 2017 Return: Wed Aug 16 2017 Trip spans 11 days
$1415
Select
Air France
Air France
BSL
2:35p
SEA
4:46p
26h 11m
1 stop
SEA
9:11a
BSL
9:20p
12h 09m
1 stop
Depart: Sat Aug 5 2017 Return: Wed Aug 16 2017 Trip spans 12 days
$1662
Select
Air France
Air France
BSL
2:45a
SEA
4:46p
14h 01m
1 stop
SEA
9:11a
BSL
5:00a
19h 49m
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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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

Basel
$687
Destination

Seattle
$687