Find Cheap 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: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
British Airways
British Airways
SEA
10:45a
BSL
5:00a
18h 15m
2 stops
BSL
2:50a
SEA
4:15p
13h 25m
1 stop
Depart: Thu Aug 10 2017 Return: Thu Aug 24 2017 Trip spans 15 days
Air France
Air France
SEA
9:11a
BSL
5:00a
19h 49m
1 stop
BSL
2:45a
SEA
4:46p
14h 01m
1 stop
Depart: Wed Aug 9 2017 Return: Tue Aug 22 2017 Trip spans 14 days
KLM
KLM
SEA
1:58p
BSL
8:45a
18h 47m
1 stop
BSL
2:20a
SEA
7:11p
16h 51m
1 stop
Depart: Mon Sep 25 2017 Return: Mon Oct 16 2017 Trip spans 22 days
Delta
Delta
SEA
9:51a
BSL
4:55a
19h 04m
1 stop
BSL
2:20a
SEA
4:15p
13h 55m
1 stop
Depart: Sun Aug 6 2017 Return: Sun Aug 20 2017 Trip spans 15 days
$1116
Select
Lufthansa
Lufthansa
SEA
10:00a
BSL
9:40p
11h 40m
1 stop
BSL
2:30a
SEA
4:50p
14h 20m
1 stop
Depart: Thu Jun 22 2017 Return: Mon Jun 26 2017 Trip spans 5 days
$1118
Select
Major Airline
Major Airline
SEA
8:30a
BSL
1:00a
40h 30m
2 stops
BSL
10:50p
SEA
6:45p
19h 55m
2 stops
Depart: Mon May 1 2017 Return: Sun May 7 2017 Trip spans 7 days
$1124
Select
Turkish Airlines
Turkish Airlines
SEA
9:48a
BSL
4:15a
42h 27m
2 stops
BSL
7:20a
SEA
3:20a
44h 00m
2 stops
Depart: Sun Sep 3 2017 Return: Sun Sep 17 2017 Trip spans 15 days
British Airways
British Airways
SEA
9:30a
BSL
10:10p
12h 40m
1 stop
BSL
3:15a
SEA
10:10p
18h 55m
1 stop
Depart: Mon Sep 4 2017 Return: Sun Sep 17 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: Tue Sep 5 2017 Return: Sun Sep 17 2017 Trip spans 13 days
British Airways
British Airways
SEA
3:15p
BSL
9:55a
18h 40m
1 stop
BSL
3:15a
SEA
10:10p
18h 55m
1 stop
Depart: Sun Aug 13 2017 Return: Tue Aug 22 2017 Trip spans 10 days
KLM
KLM
SEA
1:58p
BSL
4:55a
14h 57m
1 stop
BSL
2:20a
SEA
7:11p
16h 51m
1 stop
Depart: Thu Sep 7 2017 Return: Sun Sep 17 2017 Trip spans 11 days
British Airways
British Airways
SEA
9:15a
BSL
8:10a
22h 55m
1 stop
BSL
3:15a
SEA
10:10p
18h 55m
1 stop
Depart: Sat Sep 2 2017 Return: Tue Sep 12 2017 Trip spans 11 days
Air France
Air France
SEA
9:10a
BSL
8:45a
23h 35m
1 stop
BSL
2:45a
SEA
4:51p
14h 06m
1 stop
Depart: Mon Aug 14 2017 Return: Tue Aug 22 2017 Trip spans 9 days
KLM
KLM
SEA
9:46a
BSL
12:50a
15h 04m
1 stop
BSL
2:20a
SEA
4:10p
13h 50m
1 stop
Depart: Sat Sep 9 2017 Return: Sun Sep 17 2017 Trip spans 9 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: Mon Sep 11 2017 Return: Tue Sep 19 2017 Trip spans 9 days
British Airways
British Airways
SEA
9:20a
BSL
5:00a
19h 40m
1 stop
BSL
7:55a
SEA
10:10p
14h 15m
1 stop
Depart: Wed Jun 21 2017 Return: Tue Jul 11 2017 Trip spans 21 days
$1136
Select
Delta
Delta
SEA
12:40p
BSL
4:55a
16h 15m
2 stops
BSL
2:20a
SEA
7:14p
16h 54m
2 stops
Depart: Wed Aug 30 2017 Return: Tue Sep 12 2017 Trip spans 14 days
KLM
KLM
SEA
9:46a
BSL
4:55a
19h 09m
1 stop
BSL
2:20a
SEA
4:15p
13h 55m
1 stop
Depart: Tue Aug 15 2017 Return: Tue Aug 22 2017 Trip spans 8 days
British Airways
British Airways
SEA
10:30a
BSL
5:00a
18h 30m
2 stops
BSL
7:55a
SEA
10:10p
14h 15m
1 stop
Depart: Wed May 24 2017 Return: Mon May 29 2017 Trip spans 6 days
$1226
Select
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
2:30a
SEA
4:50p
14h 20m
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:

We’re not the seller.
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
$605
Destination

Basel
$605