$423+ Cheap flights from Belgium to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
Mar 16 — Mar 231
1 adult, Economy
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Cheapest flights from Belgium to SeattleExplore the most affordable flight options available from Belgium to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.
Explore the most affordable flight options available from Belgium to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:25 pm
BRU
- SEA
2 stops34h 53m
Multiple Airlines
Tue 3/317:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Tue 9/153:55 pm
SEA
- BRU
1 stop13h 40m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$646
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sat 9/193:55 pm
SEA
- BRU
1 stop13h 40m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$665
This lastminute.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Fri 9/183:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 2/13![Scandinavian Airlines logo]()
$675
This Flighttix deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:30 am
BRU
- SEA
1 stop15h 10m
Multiple Airlines
Fri 4/245:40 pm
SEA
- BRU
1 stop18h 00m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$695
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:30 pm
BRU
- SEA
2 stops34h 30m
Multiple Airlines
Thu 9/173:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$712
This Scandinavian Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Tue 9/153:55 pm
SEA
- BRU
1 stop13h 40m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:10 pm
BRU
- SEA
2 stops27h 50m
Multiple Airlines
Fri 9/183:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$727
This Mytrip deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:50 am
CRL
- SEA
2 stops20h 50m
Multiple Airlines
Tue 4/213:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$839
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:35 am
CRL
- SEA
3 stops42h 41m
Multiple Airlines
Sun 3/298:00 am
SEA
- CRL
3 stops29h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$893
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:35 am
CRL
- SEA
2 stops21h 05m
Multiple Airlines
Sun 4/193:40 pm
SEA
- CRL
2 stops22h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$929
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:20 pm
CRL
- SEA
2 stops29h 20m
Multiple Airlines
Fri 3/208:00 am
SEA
- CRL
3 stops26h 20m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$932
Best flights from Belgium to SeattleDiscover carefully curated flight deals from Belgium to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 14, 2026.
Discover carefully curated flight deals from Belgium to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:25 pm
BRU
- SEA
2 stops34h 53m
Multiple Airlines
Tue 3/317:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$611
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:50 pm
BRU
- SEA
1 stop13h 10m
Icelandair
Fri 3/277:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 2/10![Icelandair logo]()
$743
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:20 am
BRU
- SEA
2 stops20h 28m
Scandinavian Airlines
Sat 4/186:00 am
SEA
- BRU
2 stops42h 40m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$782
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:15 am
BRU
- SEA
1 stop14h 20m
Delta
Sun 3/226:15 am
SEA
- BRU
1 stop17h 45m
Delta
Deal found 2/12![Delta logo]()
$788
This Flighttix deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:30 am
BRU
- SEA
1 stop14h 10m
Multiple Airlines
Fri 4/245:40 pm
SEA
- BRU
1 stop18h 00m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$699
This Gotogate deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 2/13![Icelandair logo]()
$746
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:20 am
BRU
- SEA
2 stops20h 50m
Scandinavian Airlines
Tue 4/141:45 pm
SEA
- BRU
2 stops39h 50m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Gotogate deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 2/14![Icelandair logo]()
$759
This Trip.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:55 am
BRU
- SEA
2 stops33h 40m
Multiple Airlines
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$765
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:10 pm
BRU
- SEA
2 stops36h 00m
Scandinavian Airlines
Sun 4/197:00 am
SEA
- BRU
2 stops27h 50m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:10 pm
BRU
- SEA
2 stops36h 00m
Scandinavian Airlines
Tue 4/141:45 pm
SEA
- BRU
2 stops39h 50m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Flysmarter deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 am
BRU
- SEA
2 stops16h 20m
Multiple Airlines
Tue 6/163:00 pm
SEA
- BRU
2 stops20h 00m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$786
This Mytrip deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:50 am
CRL
- SEA
2 stops20h 50m
Multiple Airlines
Tue 4/213:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$839
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:35 am
CRL
- SEA
3 stops42h 41m
Multiple Airlines
Sun 3/298:00 am
SEA
- CRL
3 stops29h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$893
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:35 am
CRL
- SEA
2 stops21h 05m
Multiple Airlines
Sun 4/193:40 pm
SEA
- CRL
2 stops22h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$929
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:50 am
CRL
- SEA
1 stop16h 20m
Multiple Airlines
Tue 4/143:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$993
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:10 pm
CRL
- SEA
1 stop14h 10m
Multiple Airlines
Tue 3/313:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$996
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:50 am
CRL
- SEA
1 stop16h 20m
Multiple Airlines
Mon 4/203:40 pm
SEA
- CRL
2 stops19h 55m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$998
This Mytrip deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:05 am
CRL
- SEA
2 stops22h 35m
Multiple Airlines
Fri 4/245:40 pm
SEA
- CRL
2 stops19h 25m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$1,010
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:50 am
CRL
- SEA
1 stop16h 20m
Multiple Airlines
Thu 4/167:00 pm
SEA
- CRL
2 stops17h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,016
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:20 pm
CRL
- SEA
2 stops28h 20m
Multiple Airlines
Fri 3/209:05 pm
SEA
- CRL
2 stops15h 40m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$1,077
This Mytrip deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:05 am
CRL
- SEA
2 stops17h 35m
Multiple Airlines
Fri 4/173:40 pm
SEA
- CRL
2 stops16h 20m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$1,091
Last-minute flights from Belgium to SeattleDiscover last-minute flight deals from Belgium to Seattle. Data last updated February 14, 2026 and is based on user searches.
Discover last-minute flight deals from Belgium to Seattle. Data last updated February 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:50 pm
BRU
- SEA
1 stop13h 10m
Icelandair
Wed 2/252:35 pm
SEA
- BRU
1 stop12h 20m
Icelandair
Deal found 2/11![Icelandair logo]()
$786
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:30 pm
BRU
- SEA
2 stops34h 52m
Scandinavian Airlines
Wed 2/257:10 am
SEA
- BRU
2 stops17h 30m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:50 pm
BRU
- SEA
1 stop13h 10m
Icelandair
Thu 2/262:35 pm
SEA
- BRU
1 stop12h 20m
Icelandair
Deal found 2/11![Icelandair logo]()
$922
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:30 am
BRU
- SEA
2 stops21h 29m
United Airlines
Sat 2/287:00 am
SEA
- BRU
1 stop16h 55m
United Airlines
Deal found 2/11![United Airlines logo]()
$940
This British Airways deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:30 pm
BRU
- SEA
1 stop27h 00m
British Airways
Fri 2/271:35 pm
SEA
- BRU
1 stop16h 50m
British Airways
Deal found 2/11![British Airways logo]()
$981
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:00 am
BRU
- SEA
2 stops42h 16m
Air Canada
Tue 2/243:40 pm
SEA
- BRU
2 stops32h 15m
Air Canada
Deal found 2/11![Air Canada logo]()
$945
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:45 am
BRU
- SEA
1 stop15h 35m
United Airlines
Sat 2/2810:55 am
SEA
- BRU
1 stop13h 00m
United Airlines
Deal found 2/11![United Airlines logo]()
$947
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:35 am
BRU
- SEA
2 stops34h 18m
American Airlines
Sat 2/2811:57 pm
SEA
- BRU
2 stops25h 53m
American Airlines
Deal found 2/11![American Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:55 am
BRU
- SEA
1 stop18h 01m
United Airlines
Wed 2/2510:55 am
SEA
- BRU
1 stop13h 00m
United Airlines
Deal found 2/11![United Airlines logo]()
$948
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:35 am
CRL
- SEA
3 stops42h 41m
Multiple Airlines
Sun 3/298:00 am
SEA
- CRL
3 stops29h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$893
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:10 pm
CRL
- SEA
1 stop14h 10m
Multiple Airlines
Tue 3/313:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$996
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:20 pm
CRL
- SEA
2 stops29h 20m
Multiple Airlines
Fri 3/208:00 am
SEA
- CRL
3 stops26h 20m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$932
One-way flights from Belgium to SeattleSearch for one-way flight options from Belgium to Seattle. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
Search for one-way flight options from Belgium to Seattle. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:25 pm
BRU
- SEA
2 stops55h 17m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:05 pm
CRL
- SEA
3 stops51h 55m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:45 am
BRU
- SEA
2 stops41h 33m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:55 am
CRL
- SEA
3 stops48h 59m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1010:40 am
BRU
- SEA
2 stops21h 07m
American Airlines
Deal found 2/10![American Airlines logo]()
$522
Find flight deals from Belgium to Seattle
Keep the following information in mind while searching for Belgium to Seattle flight deals. Data was last updated February 14, 2026.
Round-trip from | $611 (Kiwi.com) |
|---|---|
One-way from | $423 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $882 |
Cheapflights Fare Finder
Customize your flight search to find flights from Belgium to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Belgium to Seattle that are best for you.
Fly from
Belgium
Fly to
Seattle
Route
Depart
Return
Price
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 3/2
5:25 pm-7:18 pm
2 stops34h 53m
Seattle/Tacoma Intl
Tue 3/31
7:00 pm-12:55 pm
1 stop32h 55m
$611
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 4/9
10:30 am-3:40 pm
1 stop14h 10m
Seattle/Tacoma Intl
Fri 4/24
5:40 pm-8:40 pm
1 stop18h 00m
$699
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Fri 3/13
12:50 pm-6:00 pm
1 stop13h 10m
Seattle/Tacoma Intl
Fri 3/27
7:00 pm-11:55 am
1 stop32h 55m
$743
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 4/20
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Fri 4/24
7:00 pm-12:55 pm
1 stop32h 55m
$746
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 4/9
1:50 pm-5:55 pm
1 stop13h 05m
Seattle/Tacoma Intl
Fri 4/24
7:00 pm-12:55 pm
1 stop32h 55m
$759
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 4/20
10:55 am-11:35 am
2 stops33h 40m
Seattle/Tacoma Intl
Fri 4/24
7:00 pm-12:55 pm
1 stop32h 55m
$765
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Tue 3/31
10:20 am-9:48 pm
2 stops20h 28m
Seattle/Tacoma Intl
Sat 4/18
6:00 am-9:40 am
2 stops42h 40m
$782
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 4/2
10:20 am-10:10 pm
2 stops20h 50m
Seattle/Tacoma Intl
Tue 4/14
1:45 pm-2:35 pm
2 stops39h 50m
$783
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sun 4/5
7:10 pm-10:10 pm
2 stops36h 00m
Seattle/Tacoma Intl
Sun 4/19
7:00 am-7:50 pm
2 stops27h 50m
$783
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sun 4/5
7:10 pm-10:10 pm
2 stops36h 00m
Seattle/Tacoma Intl
Tue 4/14
1:45 pm-2:35 pm
2 stops39h 50m
$783
Showing 1-10 of 27 results
Best time to book a flight from Belgium to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Belgium with our price prediction graph.
BRU-SEA
CRL-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Belgium to Seattle
BE0-SEA
BRU-SEA
CRL-SEA
What is the cheapest month to book a flight from Belgium to Seattle?
Currently, September is the cheapest month in which you can book a flight from Belgium to Seattle (average of $516). Flying from Belgium to Seattle in November is currently the most expensive (average of $743). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated February 14, 2026.
Peruse reviews from past customers who have flown with KLM, United Airlines, and Icelandair from Belgium to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.6
Entertainment
7.1
Food
7.3
Boarding
7.8
Overall
7.7
Crew
8.4
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Comfort
7.6
Entertainment
7.1
Food
7.3
Boarding
7.8
Overall
7.7
Crew
8.4
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Comfort
7.6
Entertainment
7.1
Food
7.3
Boarding
7.8
Overall
7.7
Crew
8.4
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Comfort
7.6
Entertainment
7.1
Food
7.3
Boarding
7.8
Overall
7.7
Crew
8.4
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Comfort
7.6
Entertainment
7.1
Food
7.3
Boarding
7.8
Overall
7.7
Crew
8.4
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Comfort
7.6
Entertainment
7.1
Food
7.3
Boarding
7.8
Overall
7.7
Crew
8.4
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Related info for your journey
Find useful and relevant information for your journey from Belgium to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Lacey
Kent
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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Alternative routes for Belgium to Seattle
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Complete your trip
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Search flights from Belgium to Seattle by cabin class
Find flights from Belgium to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Belgium and Seattle flights
Browse other Belgium and Seattle flight options. Last updated on February 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 14, 2026.
Top 5 airlines flying from Belgium to Seattle
Discover the top 5 airlines that operate flights from Belgium to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$584 | Average$772 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$586 | Average$626 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$592 | Average$661 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$673 | Average$721 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$687 | Average$881 | FlexibilityNo cancel fee | On-time76% |