Find Deals on Flights from Seattle to Basel EuroAirport Swiss

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 Seattle to Basel EuroAirport Swiss

(Round-trip)
Depart: Mon Apr 24 2017 Return: Sun May 7 2017 Trip spans 14 days
British Airways
British Airways
SEA
9:20a
BSL
10:10p
12h 50m
1 stop
BSL
3:15a
SEA
4:15p
13h 00m
1 stop
Depart: Sat Jun 3 2017 Return: Sat Jun 17 2017 Trip spans 15 days
Lufthansa
Lufthansa
SEA
10:20a
BSL
9:50a
23h 30m
2 stops
BSL
2:25a
SEA
11:31p
21h 06m
2 stops
Depart: Wed Mar 22 2017 Return: Thu Mar 30 2017 Trip spans 9 days
KLM
KLM
SEA
10:30a
BSL
9:45a
23h 15m
1 stop
BSL
6:15a
SEA
7:00p
12h 45m
1 stop
Depart: Mon Aug 21 2017 Return: Sat Sep 9 2017 Trip spans 20 days
Delta
Delta
SEA
9:11a
BSL
5:00a
19h 49m
1 stop
BSL
2:10a
SEA
4:15p
14h 05m
1 stop
Depart: Fri Mar 3 2017 Return: Mon Mar 6 2017 Trip spans 4 days
$1024
Select
Turkish Airlines
Turkish Airlines
SEA
8:35a
BSL
9:15p
36h 40m
2 stops
BSL
12:50p
SEA
2:27a
37h 37m
2 stops
Depart: Thu Mar 2 2017 Return: Tue Mar 7 2017 Trip spans 6 days
$1037
Select
Major Airline
Major Airline
SEA
3:35a
BSL
9:55p
42h 20m
2 stops
BSL
7:50a
SEA
9:27p
37h 37m
2 stops
Depart: Thu May 4 2017 Return: Thu May 18 2017 Trip spans 15 days
British Airways
British Airways
SEA
3:15p
BSL
8:10a
16h 55m
1 stop
BSL
2:50a
SEA
4:15p
13h 25m
1 stop
Depart: Mon May 1 2017 Return: Wed May 17 2017 Trip spans 17 days
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
8:55a
SEA
1:51a
16h 56m
2 stops
Depart: Fri May 5 2017 Return: Sun May 14 2017 Trip spans 10 days
British Airways
British Airways
SEA
3:15p
BSL
5:00a
13h 45m
1 stop
BSL
3:15a
SEA
4:15p
13h 00m
1 stop
Depart: Wed May 3 2017 Return: Wed May 17 2017 Trip spans 15 days
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
8:55a
SEA
1:51a
16h 56m
2 stops
Depart: Sat May 6 2017 Return: Sun May 14 2017 Trip spans 9 days
British Airways
British Airways
SEA
3:15p
BSL
5:00a
13h 45m
1 stop
BSL
3:15a
SEA
4:15p
13h 00m
1 stop
Depart: Sun May 7 2017 Return: Sun May 21 2017 Trip spans 15 days
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
9:05a
SEA
1:51a
16h 46m
2 stops
Depart: Wed Apr 5 2017 Return: Thu Apr 13 2017 Trip spans 9 days
British Airways
British Airways
SEA
7:59p
BSL
10:10p
26h 11m
2 stops
BSL
2:50a
SEA
4:15p
13h 25m
1 stop
Depart: Wed May 10 2017 Return: Wed May 17 2017 Trip spans 8 days
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
8:55a
SEA
1:51a
16h 56m
2 stops
Depart: Thu Jun 1 2017 Return: Tue Jun 13 2017 Trip spans 13 days
British Airways
British Airways
SEA
3:15p
BSL
8:10a
16h 55m
1 stop
BSL
7:55a
SEA
10:10p
14h 15m
1 stop
Depart: Fri May 12 2017 Return: Sun May 21 2017 Trip spans 10 days
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
9:05a
SEA
1:51a
16h 46m
2 stops
Depart: Wed Aug 23 2017 Return: Sat Sep 9 2017 Trip spans 18 days
Delta
Delta
SEA
9:11a
BSL
5:00a
19h 49m
1 stop
BSL
2:10a
SEA
4:15p
14h 05m
1 stop
Depart: Tue Aug 22 2017 Return: Sat Sep 9 2017 Trip spans 19 days
KLM
KLM
SEA
9:46a
BSL
8:45a
22h 59m
1 stop
BSL
2:10a
SEA
4:15p
14h 05m
1 stop
Depart: Wed May 17 2017 Return: Wed Jun 7 2017 Trip spans 22 days
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
8:55a
SEA
1:51a
16h 56m
2 stops
Depart: Sun Aug 20 2017 Return: Sat Sep 9 2017 Trip spans 21 days
Delta
Delta
SEA
9:46a
BSL
12:50a
15h 04m
1 stop
BSL
10:20a
SEA
4:15p
29h 55m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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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

Seattle
$551
Destination

Basel
$551