Find Cheap 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: Tue Sep 26 2017 Trip spans 22 days
$1107
Select
Turkish Airlines
Turkish Airlines
BSL
7:20a
SEA
2:50a
43h 30m
2 stops
SEA
10:05a
BSL
4:15a
42h 10m
2 stops
Depart: Wed Sep 6 2017 Return: Thu Sep 28 2017 Trip spans 23 days
$1153
Select
British Airways
British Airways
BSL
2:50a
SEA
10:10p
19h 20m
1 stop
SEA
5:56a
BSL
10:10p
16h 14m
2 stops
Depart: Mon Sep 4 2017 Return: Tue Sep 26 2017 Trip spans 23 days
$1165
Select
Air France
Air France
BSL
2:35p
SEA
4:51p
26h 16m
1 stop
SEA
9:11a
BSL
5:00a
19h 49m
1 stop
Depart: Mon Aug 7 2017 Return: Wed Aug 30 2017 Trip spans 24 days
$1186
Select
American Airlines
American Airlines
BSL
2:50a
SEA
11:59p
21h 09m
2 stops
SEA
9:03a
BSL
5:00a
19h 57m
2 stops
Depart: Sun Aug 6 2017 Return: Thu Aug 31 2017 Trip spans 26 days
$1250
Select
Brussels Airlines
Brussels Airlines
BSL
2:40p
SEA
2:03a
35h 23m
2 stops
SEA
3:35a
BSL
5:25a
25h 50m
2 stops
Depart: Sun Dec 17 2017 Return: Fri Jan 5 2018 Trip spans 20 days
$1256
Select
Lufthansa
Lufthansa
BSL
2:40a
SEA
6:18p
15h 38m
2 stops
SEA
9:05a
BSL
2:20a
17h 15m
2 stops
Depart: Thu Jul 27 2017 Return: Thu Aug 31 2017 Trip spans 36 days
$1433
Select
Delta
Delta
BSL
2:10a
SEA
3:57p
13h 47m
1 stop
SEA
9:46a
BSL
4:55a
19h 09m
1 stop
Depart: Fri Jul 7 2017 Return: Thu Jul 13 2017 Trip spans 7 days
$1460
Select
KLM
KLM
BSL
6:15a
SEA
6:57p
12h 42m
1 stop
SEA
2:05p
BSL
4:55a
14h 50m
1 stop
Depart: Thu Sep 7 2017 Return: Tue Sep 26 2017 Trip spans 20 days
$1153
Select
British Airways
British Airways
BSL
7:55a
SEA
10:10p
14h 15m
1 stop
SEA
5:56a
BSL
10:10p
16h 14m
2 stops
Depart: Fri Sep 1 2017 Return: Tue Sep 26 2017 Trip spans 26 days
$1179
Select
British Airways
British Airways
BSL
2:35a
SEA
4:15p
13h 40m
1 stop
SEA
3:15p
BSL
5:00a
13h 45m
1 stop
Depart: Sat Sep 2 2017 Return: Tue Sep 26 2017 Trip spans 25 days
$1179
Select
British Airways
British Airways
BSL
2:50a
SEA
4:15p
13h 25m
1 stop
SEA
10:36a
BSL
5:00a
18h 24m
2 stops
Depart: Fri Jun 23 2017 Return: Sun Jul 2 2017 Trip spans 10 days
$1429
Select
Brussels Airlines
Brussels Airlines
BSL
4:05a
SEA
2:42a
22h 37m
2 stops
SEA
3:25a
BSL
5:25a
26h 00m
2 stops
Depart: Tue Jul 4 2017 Return: Wed Jul 12 2017 Trip spans 9 days
$1516
Select
Air France
Air France
BSL
2:45a
SEA
4:40p
13h 55m
1 stop
SEA
9:07a
BSL
5:00a
19h 53m
1 stop
Depart: Sat Jul 1 2017 Return: Tue Jul 11 2017 Trip spans 11 days
$1542
Select
KLM
KLM
BSL
2:10a
SEA
8:49p
18h 39m
1 stop
SEA
6:09a
BSL
12:50a
18h 41m
2 stops
Depart: Sun Sep 3 2017 Return: Tue Sep 26 2017 Trip spans 24 days
$1179
Select
British Airways
British Airways
BSL
3:15a
SEA
4:15p
13h 00m
1 stop
SEA
3:35a
BSL
10:10p
18h 35m
2 stops
Depart: Wed Jul 5 2017 Return: Tue Jul 11 2017 Trip spans 7 days
$1516
Select
Air France
Air France
BSL
2:45a
SEA
4:40p
13h 55m
1 stop
SEA
9:07a
BSL
5:00a
19h 53m
1 stop
Depart: Sun Jul 2 2017 Return: Tue Jul 11 2017 Trip spans 10 days
$1542
Select
KLM
KLM
BSL
2:30a
SEA
3:57p
13h 27m
1 stop
SEA
2:05p
BSL
4:55a
14h 50m
1 stop
Depart: Mon Jul 3 2017 Return: Tue Jul 11 2017 Trip spans 9 days
$1526
Select
Air France
Air France
BSL
2:35p
SEA
4:40p
26h 05m
1 stop
SEA
9:07a
BSL
9:20p
12h 13m
1 stop
Depart: Thu Jul 6 2017 Return: Wed Jul 12 2017 Trip spans 7 days
$1440
Select
British Airways
British Airways
BSL
2:50a
SEA
10:10p
19h 20m
1 stop
SEA
5:52a
BSL
10:10p
16h 18m
2 stops
Depart: Sat Jul 22 2017 Return: Sat Jul 29 2017 Trip spans 8 days
$1778
Select
British Airways
British Airways
BSL
2:50a
SEA
4:15p
13h 25m
1 stop
SEA
3:15p
BSL
10:10p
30h 55m
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?
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
$1107
Destination

Seattle
$1107