Find Cheap Flights from Seattle/Tacoma Intl to Basel EuroAirport Swiss (SEA - BSL)

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/Tacoma Intl to Basel EuroAirport Swiss

(Round-trip)
Depart: Sat Aug 26 2017 Return: Sat Sep 16 2017 Trip spans 22 days
British Airways
British Airways
SEA
9:20a
BSL
10:10p
12h 50m
1 stop
BSL
2:50a
SEA
4:15p
13h 25m
1 stop
Depart: Sun Sep 3 2017 Return: Sun Sep 17 2017 Trip spans 15 days
KLM
KLM
SEA
12:55p
BSL
4:55a
16h 00m
2 stops
BSL
2:30a
SEA
7:14p
16h 44m
2 stops
Depart: Sun Aug 13 2017 Return: Fri Aug 25 2017 Trip spans 13 days
Major Airline
Major Airline
SEA
8:30a
BSL
5:55a
21h 25m
2 stops
BSL
3:55a
SEA
6:45p
38h 50m
2 stops
Depart: Sat Aug 5 2017 Return: Sun Aug 27 2017 Trip spans 23 days
Delta
Delta
SEA
7:35a
BSL
12:50a
17h 15m
2 stops
BSL
2:20a
SEA
4:10p
13h 50m
1 stop
Depart: Thu Nov 23 2017 Return: Tue Nov 28 2017 Trip spans 6 days
Brussels Airlines
Brussels Airlines
SEA
3:00a
BSL
1:40a
22h 40m
2 stops
BSL
3:05a
SEA
1:24a
22h 19m
2 stops
Depart: Wed Jul 19 2017 Return: Wed Jul 26 2017 Trip spans 8 days
$1136
Select
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
4:15a
SEA
4:50p
12h 35m
1 stop
Depart: Thu Jun 22 2017 Return: Thu Jun 29 2017 Trip spans 8 days
$1189
Select
Air France
Air France
SEA
9:08a
BSL
8:45a
23h 37m
2 stops
BSL
2:25p
SEA
4:42p
26h 17m
2 stops
Depart: Wed Sep 13 2017 Return: Wed Sep 27 2017 Trip spans 15 days
British Airways
British Airways
SEA
11:05a
BSL
9:55a
22h 50m
2 stops
BSL
7:55a
SEA
4:15p
32h 20m
1 stop
Depart: Thu Oct 5 2017 Return: Sun Oct 15 2017 Trip spans 11 days
British Airways
British Airways
SEA
3:15p
BSL
5:00a
13h 45m
1 stop
BSL
5:55p
SEA
2:00a
32h 05m
2 stops
Depart: Wed Aug 2 2017 Return: Thu Aug 24 2017 Trip spans 23 days
KLM
KLM
SEA
2:02p
BSL
4:55a
14h 53m
1 stop
BSL
2:25p
SEA
4:10p
25h 45m
1 stop
Depart: Sat Aug 19 2017 Return: Sat Sep 9 2017 Trip spans 22 days
British Airways
British Airways
SEA
9:20a
BSL
5:00a
19h 40m
1 stop
BSL
7:50a
SEA
10:10p
14h 20m
1 stop
Depart: Thu Aug 3 2017 Return: Thu Aug 24 2017 Trip spans 22 days
KLM
KLM
SEA
2:02p
BSL
8:45a
18h 43m
1 stop
BSL
2:25p
SEA
4:10p
25h 45m
1 stop
Depart: Fri Aug 4 2017 Return: Thu Aug 24 2017 Trip spans 21 days
KLM
KLM
SEA
2:02p
BSL
8:45p
30h 43m
1 stop
BSL
2:25p
SEA
4:10p
25h 45m
1 stop
Depart: Tue May 23 2017 Return: Tue May 30 2017 Trip spans 8 days
$1127
Select
Major Airline
Major Airline
SEA
1:00a
BSL
2:24a
1h 24m
nonstop
BSL
9:00a
SEA
4:24a
19h 24m
nonstop
Depart: Thu Jul 20 2017 Return: Thu Jul 27 2017 Trip spans 8 days
$1136
Select
Lufthansa
Lufthansa
SEA
10:00a
BSL
12:40a
14h 40m
1 stop
BSL
2:25a
SEA
4:50p
14h 25m
1 stop
Depart: Sun Aug 6 2017 Return: Thu Aug 24 2017 Trip spans 19 days
KLM
KLM
SEA
12:40p
BSL
4:55a
16h 15m
2 stops
BSL
2:25p
SEA
4:10p
25h 45m
1 stop
Depart: Wed Jul 26 2017 Return: Wed Aug 23 2017 Trip spans 29 days
British Airways
British Airways
SEA
7:59p
BSL
10:10p
26h 11m
2 stops
BSL
2:40p
SEA
4:15p
25h 35m
1 stop
Depart: Fri Jun 9 2017 Return: Sun Jun 18 2017 Trip spans 10 days
$1214
Select
Lufthansa
Lufthansa
SEA
10:00a
BSL
4:25a
18h 25m
1 stop
BSL
9:05a
SEA
1:55a
16h 50m
2 stops
Depart: Mon Aug 7 2017 Return: Thu Aug 24 2017 Trip spans 18 days
KLM
KLM
SEA
9:28a
BSL
4:55a
19h 27m
2 stops
BSL
2:25p
SEA
4:10p
25h 45m
1 stop
Depart: Thu Jul 27 2017 Return: Wed Aug 23 2017 Trip spans 28 days
British Airways
British Airways
SEA
7:59p
BSL
10:10p
26h 11m
2 stops
BSL
7:55a
SEA
4:15p
32h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$741
Destination

Basel
$741