Find Cheap Flights from Brussels to Seattle

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 Brussels to Seattle

(Round-trip)
Depart: Mon Nov 20 2017 Return: Thu Nov 30 2017 Trip spans 11 days
Aer Lingus
Aer Lingus
BRU
4:55a
SEA
4:19a
23h 24m
2 stops
SEA
5:50p
BRU
7:15p
25h 25m
2 stops
Depart: Mon Oct 9 2017 Return: Sat Oct 14 2017 Trip spans 6 days
Condor
Condor
BRU
6:05a
SEA
9:50p
15h 45m
1 stop
SEA
10:15a
BRU
5:40a
19h 25m
1 stop
Depart: Thu Sep 14 2017 Return: Sun Oct 1 2017 Trip spans 18 days
British Airways
British Airways
BRU
5:45a
SEA
12:53a
19h 08m
2 stops
SEA
10:45a
BRU
2:55a
16h 10m
2 stops
Depart: Mon Aug 21 2017 Return: Sat Sep 2 2017 Trip spans 13 days
$1190
Select
Icelandair
Icelandair
BRU
10:00a
SEA
10:45p
12h 45m
1 stop
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
Depart: Sun May 28 2017 Return: Thu Jun 8 2017 Trip spans 12 days
$1220
Select
KLM
KLM
BRU
4:05a
SEA
9:19p
17h 14m
2 stops
SEA
2:01p
BRU
4:40a
14h 39m
1 stop
Depart: Mon May 29 2017 Return: Sun Jun 11 2017 Trip spans 14 days
$1243
Select
SAS
SAS
BRU
3:00p
SEA
3:21a
36h 21m
2 stops
SEA
2:15a
BRU
5:20a
27h 05m
2 stops
Depart: Wed Jun 7 2017 Return: Sun Jun 25 2017 Trip spans 19 days
$1266
Select
Delta
Delta
BRU
4:05a
SEA
7:00p
14h 55m
1 stop
SEA
2:05p
BRU
4:40a
14h 35m
1 stop
Depart: Tue Jun 27 2017 Return: Tue Jul 25 2017 Trip spans 29 days
$1269
Select
Major Airline
Major Airline
BRU
1:45a
SEA
6:10p
16h 25m
1 stop
SEA
11:15a
BRU
10:55p
11h 40m
1 stop
Depart: Sat Aug 19 2017 Return: Tue Sep 5 2017 Trip spans 18 days
$1282
Select
Air France
Air France
BRU
3:10a
SEA
4:46p
13h 36m
1 stop
SEA
9:10a
BRU
10:51p
13h 41m
1 stop
Depart: Wed May 31 2017 Return: Tue Jun 13 2017 Trip spans 14 days
$1317
Select
United
United
BRU
12:45p
SEA
11:31p
34h 46m
2 stops
SEA
1:30a
BRU
12:10a
22h 40m
2 stops
Depart: Mon Jun 26 2017 Return: Wed Jul 26 2017 Trip spans 31 days
$1380
Select
Brussels Airlines
Brussels Airlines
BRU
12:55p
SEA
2:42a
37h 47m
3 stops
SEA
3:25a
BRU
6:15p
14h 50m
1 stop
Depart: Tue Jul 18 2017 Return: Wed Aug 2 2017 Trip spans 16 days
$1464
Select
Air Canada
Air Canada
BRU
6:45a
SEA
2:49a
20h 04m
2 stops
SEA
7:00a
BRU
12:10a
17h 10m
2 stops
Depart: Tue Aug 1 2017 Return: Tue Aug 22 2017 Trip spans 22 days
British Airways
British Airways
BRU
3:10p
SEA
3:42a
36h 32m
2 stops
SEA
11:05a
BRU
5:35a
18h 30m
2 stops
Depart: Tue Jul 11 2017 Return: Tue Jul 18 2017 Trip spans 8 days
$1194
Select
Condor
Condor
BRU
9:05a
SEA
12:30a
15h 25m
1 stop
SEA
4:00p
BRU
9:20a
17h 20m
2 stops
Depart: Tue Aug 22 2017 Return: Mon Aug 28 2017 Trip spans 7 days
$1196
Select
Icelandair
Icelandair
BRU
10:00a
SEA
11:15p
13h 15m
1 stop
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
Depart: Tue May 30 2017 Return: Thu Jun 8 2017 Trip spans 10 days
$1220
Select
KLM
KLM
BRU
4:05a
SEA
9:19p
17h 14m
2 stops
SEA
9:42a
BRU
4:40a
18h 58m
1 stop
Depart: Sun Aug 20 2017 Return: Tue Sep 5 2017 Trip spans 17 days
$1282
Select
Air France
Air France
BRU
3:10a
SEA
4:46p
13h 36m
1 stop
SEA
9:10a
BRU
10:51p
13h 41m
1 stop
Depart: Thu Jun 1 2017 Return: Thu Jun 8 2017 Trip spans 8 days
$1220
Select
KLM
KLM
BRU
4:05a
SEA
9:19p
17h 14m
2 stops
SEA
2:01p
BRU
9:10a
19h 09m
1 stop
Depart: Mon Aug 14 2017 Return: Thu Aug 17 2017 Trip spans 4 days
$1245
Select
Condor
Condor
BRU
5:05a
SEA
4:14a
23h 09m
2 stops
SEA
12:45p
BRU
1:20a
12h 35m
1 stop
Depart: Fri May 26 2017 Return: Thu Jun 8 2017 Trip spans 14 days
$1434
Select
United
United
BRU
5:55a
SEA
1:51a
19h 56m
2 stops
SEA
2:40a
BRU
12:10a
21h 30m
2 stops
* 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

Brussels
$742
Destination

Seattle
$742