Find Deals on Flights from Brussels Bruxelles-National & other airports 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
Students
under 26
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 Bruxelles-National & other airports to Seattle

(Round-trip)
Depart: Thu Mar 2 2017 Return: Tue Mar 14 2017 Trip spans 12 days
British Airways
British Airways
BRU
6:55a
SEA
8:15p
13h 20m
1 stop
SEA
3:30p
BRU
5:25a
13h 55m
1 stop
Depart: Mon Jan 30 2017 Return: Wed Feb 15 2017 Trip spans 17 days
Delta
Delta
BRU
2:45a
SEA
3:25p
12h 40m
1 stop
SEA
2:40a
BRU
3:45a
25h 05m
2 stops
Depart: Sat Apr 29 2017 Return: Sun Apr 30 2017 Trip spans 2 days
KLM
KLM
BRU
4:05a
SEA
4:12p
12h 07m
1 stop
SEA
2:15a
BRU
7:45p
17h 30m
1 stop
Depart: Fri Apr 21 2017 Return: Sat Apr 29 2017 Trip spans 9 days
Icelandair
Icelandair
BRU
10:00a
SEA
10:45p
12h 45m
1 stop
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
Depart: Wed Apr 26 2017 Return: Fri May 5 2017 Trip spans 10 days
TAP Portugal
TAP Portugal
BRU
10:20a
SEA
3:47a
41h 27m
2 stops
SEA
9:05a
BRU
4:55a
19h 50m
2 stops
Depart: Fri Apr 28 2017 Return: Sun May 7 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
BRU
12:40p
SEA
3:45p
27h 05m
2 stops
SEA
2:45a
BRU
8:25p
17h 40m
2 stops
Depart: Mon Jun 26 2017 Return: Mon Aug 21 2017 Trip spans 57 days
Lufthansa
Lufthansa
BRU
7:05a
SEA
11:35p
16h 30m
2 stops
SEA
10:00a
BRU
1:20a
15h 20m
1 stop
Depart: Wed Mar 1 2017 Return: Thu Mar 9 2017 Trip spans 9 days
British Airways
British Airways
BRU
2:40a
SEA
8:15p
17h 35m
1 stop
SEA
6:21a
BRU
11:10p
16h 49m
2 stops
Depart: Tue Jan 31 2017 Return: Wed Feb 15 2017 Trip spans 16 days
Delta
Delta
BRU
2:45a
SEA
3:25p
12h 40m
1 stop
SEA
2:40a
BRU
3:45a
25h 05m
2 stops
Depart: Thu Apr 27 2017 Return: Fri May 5 2017 Trip spans 9 days
TAP Portugal
TAP Portugal
BRU
2:20a
SEA
3:47a
25h 27m
2 stops
SEA
9:05a
BRU
4:55a
19h 50m
2 stops
Depart: Wed Feb 1 2017 Return: Wed Feb 15 2017 Trip spans 15 days
Delta
Delta
BRU
2:45a
SEA
3:24p
12h 39m
1 stop
SEA
8:25a
BRU
8:10p
11h 45m
1 stop
Depart: Thu Apr 6 2017 Return: Mon Apr 17 2017 Trip spans 12 days
Icelandair
Icelandair
BRU
10:00a
SEA
10:45p
12h 45m
1 stop
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
Depart: Sat Feb 11 2017 Return: Sat Mar 4 2017 Trip spans 22 days
British Airways
British Airways
BRU
2:40a
SEA
11:45p
21h 05m
2 stops
SEA
1:30p
BRU
1:45a
12h 15m
1 stop
Depart: Fri Dec 30 2016 Return: Fri Jan 13 2017 Trip spans 15 days
KLM
KLM
BRU
1:52a
SEA
5:51p
15h 59m
3 stops
SEA
8:25a
BRU
6:08a
21h 43m
2 stops
Depart: Wed Feb 8 2017 Return: Wed Feb 15 2017 Trip spans 8 days
Delta
Delta
BRU
2:45a
SEA
3:24p
12h 39m
1 stop
SEA
6:34a
BRU
3:45a
21h 11m
2 stops
Depart: Tue Apr 11 2017 Return: Mon Apr 17 2017 Trip spans 7 days
Icelandair
Icelandair
BRU
10:00a
SEA
10:45p
12h 45m
1 stop
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
Depart: Mon Apr 24 2017 Return: Fri May 5 2017 Trip spans 12 days
TAP Portugal
TAP Portugal
BRU
2:45p
SEA
2:59a
36h 14m
2 stops
SEA
9:05a
BRU
4:55a
19h 50m
2 stops
Depart: Thu Feb 9 2017 Return: Wed Mar 1 2017 Trip spans 21 days
Delta
Delta
BRU
2:45a
SEA
3:24p
12h 39m
1 stop
SEA
6:35a
BRU
3:45a
21h 10m
2 stops
Depart: Fri Apr 7 2017 Return: Mon Apr 17 2017 Trip spans 11 days
Icelandair
Icelandair
BRU
10:00a
SEA
10:45p
12h 45m
1 stop
SEA
12:30p
BRU
11:45p
11h 15m
1 stop
Depart: Tue Dec 27 2016 Return: Sat Jan 7 2017 Trip spans 12 days
KLM
KLM
BRU
1:15p
SEA
4:00p
26h 45m
1 stop
SEA
8:25a
BRU
8:10a
23h 45m
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
$669
Destination

Seattle
$669