Find Cheap Flights from Seattle to Brussels

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 Brussels

(Round-trip)
Depart: Thu Nov 23 2017 Return: Mon Nov 27 2017 Trip spans 5 days
Air Canada
Air Canada
SEA
4:05p
BRU
11:15p
55h 10m
2 stops
BRU
5:30a
SEA
6:45p
37h 15m
2 stops
Depart: Wed Sep 27 2017 Return: Thu Oct 12 2017 Trip spans 16 days
Icelandair
Icelandair
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
BRU
10:00a
SEA
10:45p
12h 45m
1 stop
Depart: Sat Sep 2 2017 Return: Sat Sep 16 2017 Trip spans 15 days
KLM
KLM
SEA
6:10a
BRU
8:15p
14h 05m
1 stop
BRU
6:35a
SEA
2:49a
20h 14m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
Condor
Condor
SEA
5:30p
BRU
7:20a
13h 50m
1 stop
BRU
9:05a
SEA
12:30a
15h 25m
1 stop
Depart: Thu Sep 7 2017 Return: Thu Sep 14 2017 Trip spans 8 days
British Airways
British Airways
SEA
9:15a
BRU
1:40a
16h 25m
1 stop
BRU
5:45a
SEA
10:10p
16h 25m
1 stop
Depart: Fri Sep 22 2017 Return: Tue Oct 10 2017 Trip spans 19 days
Brussels Airlines
Brussels Airlines
SEA
2:30a
BRU
6:20p
15h 50m
1 stop
BRU
6:45a
SEA
2:41a
19h 56m
1 stop
Depart: Fri Jul 14 2017 Return: Fri Aug 11 2017 Trip spans 29 days
Lufthansa
Lufthansa
SEA
5:05a
BRU
7:35p
14h 30m
2 stops
BRU
9:15a
SEA
1:55a
16h 40m
2 stops
Depart: Mon Jul 17 2017 Return: Sun Aug 13 2017 Trip spans 28 days
Major Airline
Major Airline
SEA
6:08a
BRU
5:20p
35h 12m
2 stops
BRU
11:45p
SEA
11:51p
24h 06m
2 stops
Depart: Mon Jul 3 2017 Return: Mon Jul 17 2017 Trip spans 15 days
United
United
SEA
2:15a
BRU
6:45p
16h 30m
1 stop
BRU
6:00a
SEA
12:36a
18h 36m
1 stop
Depart: Thu Oct 26 2017 Return: Thu Nov 2 2017 Trip spans 8 days
Icelandair
Icelandair
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
BRU
8:50a
SEA
9:40p
12h 50m
1 stop
Depart: Sat Sep 9 2017 Return: Sat Sep 23 2017 Trip spans 15 days
KLM
KLM
SEA
6:10a
BRU
8:15p
14h 05m
1 stop
BRU
6:35a
SEA
12:54a
18h 19m
1 stop
Depart: Wed Sep 13 2017 Return: Sat Sep 30 2017 Trip spans 18 days
British Airways
British Airways
SEA
3:15p
BRU
5:30a
14h 15m
1 stop
BRU
12:40p
SEA
4:15p
27h 35m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
British Airways
British Airways
SEA
3:15p
BRU
2:55a
11h 40m
1 stop
BRU
7:25a
SEA
10:10p
14h 45m
1 stop
Depart: Fri Oct 20 2017 Return: Sun Oct 29 2017 Trip spans 10 days
KLM
KLM
SEA
2:00p
BRU
4:40a
14h 40m
1 stop
BRU
5:20a
SEA
11:54p
18h 34m
1 stop
Depart: Sat Sep 30 2017 Return: Thu Oct 5 2017 Trip spans 6 days
Condor
Condor
SEA
10:15a
BRU
6:40a
20h 25m
1 stop
BRU
5:05a
SEA
7:05p
14h 00m
1 stop
Depart: Sun Sep 10 2017 Return: Wed Sep 27 2017 Trip spans 18 days
Air Canada
Air Canada
SEA
2:30a
BRU
7:35p
17h 05m
2 stops
BRU
6:45a
SEA
2:41a
19h 56m
2 stops
Depart: Fri Jun 30 2017 Return: Tue Jul 4 2017 Trip spans 5 days
$1678
Select
Hainan Airlines
Hainan Airlines
SEA
10:00a
BRU
4:55p
30h 55m
1 stop
BRU
9:40a
SEA
4:35p
30h 55m
1 stop
Depart: Thu Sep 21 2017 Return: Thu Oct 12 2017 Trip spans 22 days
Icelandair
Icelandair
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
BRU
10:00a
SEA
10:45p
12h 45m
1 stop
Depart: Mon Sep 11 2017 Return: Wed Sep 27 2017 Trip spans 17 days
Air Canada
Air Canada
SEA
2:30a
BRU
7:35p
17h 05m
2 stops
BRU
6:45a
SEA
2:41a
19h 56m
2 stops
Depart: Sat Jul 15 2017 Return: Tue Aug 8 2017 Trip spans 25 days
Brussels Airlines
Brussels Airlines
SEA
2:30a
BRU
6:20p
15h 50m
1 stop
BRU
8:00a
SEA
2:03a
18h 03m
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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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.

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Airports
Origin

Seattle
$519
Destination

Brussels
$519