$416+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
Jun 27 — Jul 41
Round-trip
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 May 28, 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 May 28, 2026.
This Mytrip deal was found by Cheapflights users on 5/28. 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 6/2210:15 pm
BRU
- SEA
3 stops44h 25m
Multiple Airlines
Wed 7/83:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$677
This Kiwi.com deal was found by Cheapflights users on 5/27. 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
Mon 9/287:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 5/27. 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
Mon 9/147:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$731
This Kiwi.com deal was found by Cheapflights users on 5/27. 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
Wed 9/167:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$732
This Mytrip deal was found by Cheapflights users on 5/26. 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 9/710:15 pm
BRU
- SEA
3 stops44h 25m
Multiple Airlines
Mon 9/217:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$772
This Gotogate deal was found by Cheapflights users on 5/26. 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 9/143:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sun 9/203:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$792
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 9/78:50 am
CRL
- SEA
2 stops16h 10m
Multiple Airlines
Wed 9/167:10 pm
SEA
- CRL
1 stop28h 30m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$793
This Justfly.com deal was found by Cheapflights users on 5/26. 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 Justfly.com 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 stop32h 45m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$794
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/78:50 am
CRL
- SEA
2 stops16h 10m
Multiple Airlines
Mon 9/217:10 pm
SEA
- CRL
1 stop28h 15m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$799
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 9/78:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Sun 9/203:55 pm
SEA
- BRU
1 stop17h 35m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$800
This Mytrip deal was found by Cheapflights users on 5/27. 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 9/36:35 am
CRL
- SEA
3 stops47h 25m
Multiple Airlines
Mon 9/283:40 pm
SEA
- CRL
2 stops19h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$808
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Sat 6/279:50 am
BRU
- SEA
2 stops42h 35m
Multiple Airlines
Sat 7/43:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$810
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 May 28, 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 May 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/78:50 am
CRL
- SEA
2 stops16h 10m
Multiple Airlines
Mon 9/217:10 pm
SEA
- CRL
1 stop28h 15m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$799
This Scandinavian Airlines deal was found by Cheapflights users on 5/25. 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.
Mon 9/78:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Tue 9/153:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 5/25![Scandinavian Airlines logo]()
$817
This Icelandair deal was found by Cheapflights users on 5/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Mon 9/147:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 5/27![Icelandair logo]()
$889
This United Airlines deal was found by Cheapflights users on 5/23. 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 6/256:20 am
BRU
- SEA
1 stop15h 00m
United Airlines
Wed 7/87:30 am
SEA
- BRU
1 stop15h 15m
United Airlines
Deal found 5/23![United Airlines logo]()
$900
This Mytrip deal was found by Cheapflights users on 5/27. 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 9/36:35 am
CRL
- SEA
3 stops47h 25m
Multiple Airlines
Mon 9/283:40 pm
SEA
- CRL
2 stops19h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$808
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. 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 9/33:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Tue 9/153:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$818
This Icelandair deal was found by Cheapflights users on 5/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Thu 9/177:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 5/27![Icelandair logo]()
$889
This United Airlines deal was found by Cheapflights users on 5/28. 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 9/36:20 am
BRU
- SEA
1 stop14h 35m
United Airlines
Wed 9/98:40 am
SEA
- BRU
3 stops19h 35m
United Airlines
Deal found 5/28![United Airlines logo]()
$902
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. 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.
Sat 9/53:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sun 9/203:55 pm
SEA
- BRU
2 stops33h 45m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$822
This Icelandair deal was found by Cheapflights users on 5/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Mon 6/157:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 5/26![Icelandair logo]()
$890
This United Airlines deal was found by Cheapflights users on 5/28. 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 9/46:20 am
BRU
- SEA
1 stop14h 35m
United Airlines
Wed 9/93:54 pm
SEA
- BRU
2 stops19h 06m
United Airlines
Deal found 5/28![United Airlines logo]()
$902
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. 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 9/810:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Fri 9/183:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$856
This United Airlines deal was found by Cheapflights users on 5/26. 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 6/118:30 am
BRU
- SEA
1 stop12h 50m
United Airlines
Wed 6/177:35 am
SEA
- BRU
1 stop15h 10m
United Airlines
Deal found 5/26![United Airlines logo]()
$903
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. 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 9/810:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Tue 9/153:55 pm
SEA
- BRU
2 stops33h 45m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$860
This Mytrip deal was found by Cheapflights users on 5/26. 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 7/62:25 pm
CRL
- SEA
2 stops35h 55m
Multiple Airlines
Thu 8/207:00 pm
SEA
- CRL
2 stops17h 30m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,072
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/137:55 am
CRL
- SEA
2 stops20h 30m
Multiple Airlines
Sun 8/27:10 pm
SEA
- CRL
1 stop17h 05m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,110
This Mytrip deal was found by Cheapflights users on 5/26. 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.
Sat 8/298:25 am
CRL
- SEA
2 stops21h 35m
Multiple Airlines
Sat 9/123:40 pm
SEA
- CRL
2 stops14h 40m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,152
This Booking.com deal was found by Cheapflights users on 5/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:25 am
CRL
- SEA
2 stops33h 15m
Multiple Airlines
Thu 7/163:40 pm
SEA
- CRL
2 stops14h 50m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,163
This Mytrip deal was found by Cheapflights users on 5/27. 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 8/37:55 am
CRL
- SEA
3 stops34h 45m
Multiple Airlines
Sat 8/153:40 pm
SEA
- CRL
2 stops21h 00m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,180
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Sat 6/138:45 am
CRL
- SEA
3 stops22h 55m
Multiple Airlines
Tue 6/166:50 pm
SEA
- CRL
2 stops19h 05m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,199
This Mytrip deal was found by Cheapflights users on 5/25. 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.
Tue 8/116:55 am
CRL
- SEA
3 stops35h 45m
Multiple Airlines
Thu 8/202:10 pm
SEA
- CRL
3 stops22h 20m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,201
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 7/245:35 pm
CRL
- SEA
2 stops49h 05m
Multiple Airlines
Sun 8/97:10 pm
SEA
- CRL
1 stop17h 05m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,206
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/304:20 pm
CRL
- SEA
2 stops36h 05m
Multiple Airlines
Sun 8/97:10 pm
SEA
- CRL
1 stop17h 05m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,208
Last-minute flights from Belgium to SeattleDiscover last-minute flight deals from Belgium to Seattle. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Belgium to Seattle. Data last updated May 28, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 5/24. 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 5/291:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Thu 6/117:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 5/24![Icelandair logo]()
$849
This Gotogate deal was found by Cheapflights users on 5/27. 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 6/41:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Thu 6/1811:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Deal found 5/27![Icelandair logo]()
$831
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 6/49:05 pm
CRL
- SEA
2 stops23h 10m
Multiple Airlines
Thu 6/183:35 pm
SEA
- CRL
1 stop17h 35m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,111
This Booking.com deal was found by Cheapflights users on 5/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:00 pm
CRL
- SEA
2 stops35h 45m
Multiple Airlines
Sun 6/145:45 am
SEA
- CRL
3 stops30h 30m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,108
This Booking.com deal was found by Cheapflights users on 5/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:00 pm
CRL
- SEA
2 stops35h 45m
Multiple Airlines
Mon 6/157:00 pm
SEA
- CRL
2 stops16h 35m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,457
This Gotogate deal was found by Cheapflights users on 5/24. 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.
Sat 6/136:20 am
BRU
- SEA
2 stops21h 10m
Air Canada
Tue 6/1610:45 am
SEA
- BRU
2 stops35h 25m
Air Canada
Deal found 5/24![Air Canada logo]()
$865
This Gotogate deal was found by Cheapflights users on 5/24. 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.
Sun 6/149:45 am
BRU
- SEA
2 stops21h 55m
Air Canada
Sun 6/283:00 pm
SEA
- BRU
2 stops31h 10m
Air Canada
Deal found 5/24![Air Canada logo]()
$871
This Mytrip deal was found by Cheapflights users on 5/28. 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 6/2210:15 pm
BRU
- SEA
3 stops44h 25m
Multiple Airlines
Wed 7/83:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$677
This Gotogate deal was found by Cheapflights users on 5/28. 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 6/221:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Wed 7/83:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 5/28![Icelandair logo]()
$830
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Sat 6/279:50 am
BRU
- SEA
2 stops42h 35m
Multiple Airlines
Sat 7/43:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$810
This Gotogate deal was found by Cheapflights users on 5/28. 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.
Sat 6/271:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Sat 7/43:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 5/28![Icelandair logo]()
$851
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 May 28, 2026.
Search for one-way flight options from Belgium to Seattle. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Sat 9/58:50 pm
CRL
- SEA
3 stops52h 10m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Tue 9/87:45 pm
BRU
- SEA
3 stops56h 00m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Tue 6/236:55 am
CRL
- SEA
3 stops35h 45m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 9/162:30 pm
CRL
- SEA
3 stops58h 30m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/19:20 am
CRL
- SEA
3 stops58h 15m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 9/1610:15 pm
BRU
- SEA
3 stops50h 45m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Tue 6/910:00 am
BRU
- SEA
3 stops54h 07m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 10/26:50 am
CRL
- SEA
3 stops36h 22m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 10/159:25 pm
CRL
- SEA
3 stops48h 10m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/67:10 am
CRL
- SEA
3 stops59h 30m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 6/298:00 pm
BRU
- SEA
3 stops47h 35m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/27:00 pm
CRL
- SEA
3 stops33h 25m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$524
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 May 28, 2026.
Round-trip from | $677 (Mytrip) |
|---|---|
One-way from | $416 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $753 |
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 May 28, 2026.
Use the filters below to find and compare flights from Belgium to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BrusselsSeattle
CRL - SEA
CRLSEA
Charleroi Brussels
Mon 9/7
8:50 am-4:00 pm
2 stops16h 10m
Seattle/Tacoma Intl
Mon 9/21
7:10 pm-8:25 am
1 stop28h 15m
$799
BrusselsSeattle
CRL - SEA
CRLSEA
Charleroi Brussels
Thu 9/3
6:35 am-9:00 pm
3 stops47h 25m
Seattle/Tacoma Intl
Mon 9/28
3:40 pm-8:35 pm
2 stops19h 55m
$808
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 9/7
8:30 pm-1:45 pm
1 stop26h 15m
Seattle/Tacoma Intl
Tue 9/15
3:55 pm-9:40 am
1 stop32h 45m
$817
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 9/3
3:15 pm-1:45 pm
1 stop31h 30m
Seattle/Tacoma Intl
Tue 9/15
3:55 pm-9:40 am
1 stop32h 45m
$818
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sat 9/5
3:15 pm-1:45 pm
1 stop31h 30m
Seattle/Tacoma Intl
Sun 9/20
3:55 pm-10:40 am
2 stops33h 45m
$822
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Tue 9/8
10:20 am-1:45 pm
1 stop12h 25m
Seattle/Tacoma Intl
Fri 9/18
3:55 pm-9:40 am
1 stop32h 45m
$856
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Tue 9/8
10:20 am-1:45 pm
1 stop12h 25m
Seattle/Tacoma Intl
Tue 9/15
3:55 pm-10:40 am
2 stops33h 45m
$860
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Fri 9/4
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Mon 9/14
7:00 pm-12:55 pm
1 stop32h 55m
$889
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Wed 9/2
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Thu 9/17
7:00 pm-12:55 pm
1 stop32h 55m
$889
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Wed 6/10
1:50 pm-5:55 pm
1 stop13h 05m
Seattle/Tacoma Intl
Mon 6/15
7:00 pm-12:55 pm
1 stop32h 55m
$890
Showing 1-10 of 42 resultsSorted by cheapest first
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, July is the cheapest month in which you can book a flight from Belgium to Seattle (average of $193). Flying from Belgium to Seattle in March is currently the most expensive (average of $786). 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.
How far ahead should I book a flight from Belgium to Seattle?
The price you pay for your flight from Belgium to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 May 28, 2026.
Peruse reviews from past customers who have flown with KLM,Scandinavian Airlines, andIcelandair 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.
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
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 locationsSeaTac
Tacoma
Lacey
Ocean Shores
Olympia
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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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 May 28, 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 May 28, 2026.
Top 6 airlines flying from Belgium to Seattle
Discover the top 6 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 May 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$570 | Average$882 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$584 | Average$782 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$586 | Average$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$604 | Average$626 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$628 | Average$794 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$676 | Average$1,047 | FlexibilityNo cancel fee | On-time75% |