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: Thu Sep 21 2017 Return: Tue Oct 17 2017 Trip spans 27 days
Multiple Airlines
Multiple Airlines
BRU
12:00a
SEA
5:00p
17h 00m
1 stop
SEA
12:00a
BRU
1:50p
13h 50m
1 stop
Depart: Tue Sep 19 2017 Return: Sat Oct 14 2017 Trip spans 26 days
Icelandair
Icelandair
BRU
12:00a
SEA
1:15p
13h 15m
1 stop
SEA
12:00a
BRU
11:25a
11h 25m
1 stop
Depart: Mon Sep 18 2017 Return: Sat Oct 14 2017 Trip spans 27 days
Condor
Condor
BRU
12:00a
SEA
3:45p
15h 45m
1 stop
SEA
12:00a
BRU
1:20p
13h 20m
1 stop
Depart: Thu Sep 7 2017 Return: Wed Sep 20 2017 Trip spans 14 days
Major Airline
Major Airline
BRU
12:00a
SEA
12:45p
12h 45m
3 stops
SEA
12:00a
BRU
6:30p
18h 30m
3 stops
Depart: Mon Sep 18 2017 Return: Sun Oct 15 2017 Trip spans 28 days
$1009
Select
TAP Portugal
TAP Portugal
BRU
12:00a
SEA
12:48p
36h 48m
2 stops
SEA
12:00a
BRU
4:46a
28h 46m
2 stops
Depart: Thu Aug 24 2017 Return: Sun Sep 10 2017 Trip spans 18 days
$1059
Select
Aer Lingus
Aer Lingus
BRU
12:00a
SEA
12:45a
24h 45m
2 stops
SEA
12:00a
BRU
5:47p
17h 47m
2 stops
Depart: Mon Sep 4 2017 Return: Tue Sep 19 2017 Trip spans 16 days
$1087
Select
LOT Polish Airlines
LOT Polish Airlines
BRU
12:00a
SEA
3:25p
39h 25m
2 stops
SEA
12:00a
BRU
7:35p
19h 35m
2 stops
Depart: Wed Sep 20 2017 Return: Wed Oct 18 2017 Trip spans 29 days
$1153
Select
Lufthansa
Lufthansa
BRU
12:00a
SEA
4:30p
16h 30m
2 stops
SEA
12:00a
BRU
3:20p
15h 20m
1 stop
Depart: Wed Sep 6 2017 Return: Tue Sep 19 2017 Trip spans 14 days
$1242
Select
Air France
Air France
BRU
12:00a
SEA
1:41p
13h 41m
1 stop
SEA
12:00a
BRU
1:40p
13h 40m
1 stop
Depart: Mon Sep 4 2017 Return: Thu Sep 21 2017 Trip spans 18 days
$1248
Select
British Airways
British Airways
BRU
12:00a
SEA
6:50a
30h 50m
1 stop
SEA
12:00a
BRU
12:20p
12h 20m
1 stop
Depart: Mon Sep 4 2017 Return: Mon Sep 18 2017 Trip spans 15 days
$1284
Select
KLM
KLM
BRU
12:00a
SEA
5:11p
17h 11m
1 stop
SEA
12:00a
BRU
1:20a
25h 20m
1 stop
Depart: Mon Sep 4 2017 Return: Sun Sep 24 2017 Trip spans 21 days
$1287
Select
SWISS
SWISS
BRU
12:00a
SEA
11:09a
35h 09m
2 stops
SEA
12:00a
BRU
5:12p
17h 12m
2 stops
Depart: Sat Aug 12 2017 Return: Sun Aug 20 2017 Trip spans 9 days
$1508
Select
Delta
Delta
BRU
12:00a
SEA
12:06p
12h 06m
1 stop
SEA
12:00a
BRU
2:38p
14h 38m
1 stop
Depart: Tue Sep 19 2017 Return: Tue Oct 10 2017 Trip spans 22 days
Multiple Airlines
Multiple Airlines
BRU
12:00a
SEA
4:00a
28h 00m
1 stop
SEA
12:00a
BRU
1:50p
13h 50m
1 stop
Depart: Fri Sep 22 2017 Return: Sat Oct 14 2017 Trip spans 23 days
Icelandair
Icelandair
BRU
12:00a
SEA
1:15p
13h 15m
1 stop
SEA
12:00a
BRU
11:25a
11h 25m
1 stop
Depart: Fri Sep 8 2017 Return: Thu Sep 21 2017 Trip spans 14 days
Icelandair
Icelandair
BRU
12:00a
SEA
1:15p
13h 15m
1 stop
SEA
12:00a
BRU
11:45a
11h 45m
1 stop
Depart: Tue Sep 19 2017 Return: Fri Oct 20 2017 Trip spans 32 days
$1009
Select
TAP Portugal
TAP Portugal
BRU
12:00a
SEA
1:28a
25h 28m
2 stops
SEA
12:00a
BRU
4:46a
28h 46m
2 stops
Depart: Sat Sep 16 2017 Return: Fri Oct 6 2017 Trip spans 21 days
Multiple Airlines
Multiple Airlines
BRU
12:00a
SEA
2:30p
14h 30m
1 stop
SEA
12:00a
BRU
7:05p
19h 05m
1 stop
Depart: Tue Sep 5 2017 Return: Tue Sep 19 2017 Trip spans 15 days
$1087
Select
LOT Polish Airlines
LOT Polish Airlines
BRU
12:00a
SEA
3:10a
27h 10m
2 stops
SEA
12:00a
BRU
7:35p
19h 35m
2 stops
Depart: Thu Sep 21 2017 Return: Sat Oct 14 2017 Trip spans 24 days
Icelandair
Icelandair
BRU
12:00a
SEA
12:45p
12h 45m
1 stop
SEA
12:00a
BRU
11:25a
11h 25m
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

Brussels
$771
Destination

Seattle
$771