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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to Basel EuroAirport Swiss

(Round-trip)
Depart: Sat Nov 18 2017 Return: Sun Dec 3 2017 Trip spans 16 days
Air Canada
Air Canada
SEA
4:25a
BSL
8:00p
15h 35m
2 stops
BSL
2:40a
SEA
12:53a
22h 13m
2 stops
Depart: Tue Sep 12 2017 Return: Tue Sep 26 2017 Trip spans 15 days
Brussels Airlines
Brussels Airlines
SEA
2:30a
BSL
4:10a
25h 40m
2 stops
BSL
4:05a
SEA
2:41a
22h 36m
2 stops
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
Lufthansa
Lufthansa
SEA
10:05a
BSL
3:00a
16h 55m
2 stops
BSL
7:15a
SEA
11:35p
16h 20m
2 stops
Depart: Wed Aug 16 2017 Return: Wed Aug 30 2017 Trip spans 15 days
British Airways
British Airways
SEA
3:15p
BSL
9:55a
18h 40m
1 stop
BSL
2:40p
SEA
10:10p
31h 30m
1 stop
Depart: Thu Sep 14 2017 Return: Tue Sep 19 2017 Trip spans 6 days
KLM
KLM
SEA
9:51a
BSL
12:50a
14h 59m
1 stop
BSL
6:15a
SEA
7:01p
12h 46m
1 stop
Depart: Mon Sep 4 2017 Return: Sat Sep 16 2017 Trip spans 13 days
Delta
Delta
SEA
12:55p
BSL
4:55a
16h 00m
2 stops
BSL
2:10a
SEA
9:05p
18h 55m
2 stops
Depart: Thu Jul 6 2017 Return: Wed Jul 19 2017 Trip spans 14 days
$1060
Select
Condor
Condor
SEA
12:45p
BSL
8:55a
20h 10m
1 stop
BSL
5:20a
SEA
8:15p
14h 55m
1 stop
Depart: Sun Sep 3 2017 Return: Mon Sep 18 2017 Trip spans 16 days
$1307
Select
American Airlines
American Airlines
SEA
5:56a
BSL
10:10p
16h 14m
2 stops
BSL
8:00a
SEA
3:39a
19h 39m
2 stops
Depart: Sat Aug 26 2017 Return: Mon Aug 28 2017 Trip spans 3 days
$1400
Select
Turkish Airlines
Turkish Airlines
SEA
7:00a
BSL
9:25p
38h 25m
2 stops
BSL
2:10p
SEA
2:31a
36h 21m
2 stops
Depart: Thu Nov 2 2017 Return: Mon Nov 13 2017 Trip spans 12 days
Air Canada
Air Canada
SEA
6:40a
BSL
10:00p
15h 20m
2 stops
BSL
2:40a
SEA
12:53a
22h 13m
2 stops
Depart: Fri Nov 17 2017 Return: Sun Nov 26 2017 Trip spans 10 days
Air Canada
Air Canada
SEA
4:25a
BSL
8:00p
15h 35m
2 stops
BSL
2:40a
SEA
12:53a
22h 13m
2 stops
Depart: Sun Aug 20 2017 Return: Tue Aug 29 2017 Trip spans 10 days
Lufthansa
Lufthansa
SEA
10:10a
BSL
3:00a
16h 50m
2 stops
BSL
4:15a
SEA
4:50p
12h 35m
1 stop
Depart: Mon Aug 21 2017 Return: Wed Aug 30 2017 Trip spans 10 days
British Airways
British Airways
SEA
3:15p
BSL
9:55a
18h 40m
1 stop
BSL
2:40p
SEA
4:15p
25h 35m
1 stop
Depart: Tue Aug 22 2017 Return: Sun Aug 27 2017 Trip spans 6 days
KLM
KLM
SEA
3:40a
BSL
8:45p
17h 05m
2 stops
BSL
2:20a
SEA
4:10p
13h 50m
1 stop
Depart: Wed Aug 23 2017 Return: Wed Aug 30 2017 Trip spans 8 days
British Airways
British Airways
SEA
3:15p
BSL
5:00a
13h 45m
1 stop
BSL
2:40p
SEA
4:15p
25h 35m
1 stop
Depart: Mon Sep 25 2017 Return: Tue Oct 3 2017 Trip spans 9 days
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
7:15a
SEA
11:35p
16h 20m
2 stops
Depart: Fri Jul 28 2017 Return: Wed Aug 9 2017 Trip spans 13 days
KLM
KLM
SEA
2:05p
BSL
8:45a
18h 40m
1 stop
BSL
2:10a
SEA
4:11p
14h 01m
1 stop
Depart: Wed Sep 20 2017 Return: Tue Oct 3 2017 Trip spans 14 days
British Airways
British Airways
SEA
5:56a
BSL
10:10p
16h 14m
2 stops
BSL
7:55a
SEA
10:10p
14h 15m
1 stop
Depart: Thu Dec 14 2017 Return: Thu Dec 28 2017 Trip spans 15 days
$1009
Select
Air Canada
Air Canada
SEA
5:40a
BSL
8:00p
14h 20m
2 stops
BSL
5:35a
SEA
12:19a
18h 44m
2 stops
Depart: Fri Aug 25 2017 Return: Sun Aug 27 2017 Trip spans 3 days
$1012
Select
KLM
KLM
SEA
9:46a
BSL
12:50a
15h 04m
1 stop
BSL
2:20a
SEA
4:10p
13h 50m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$763
Destination

Basel
$763