$403+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
May 5 — May 121
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 April 5, 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 April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/1710:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
Tue 6/27:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 4/4![Aer Lingus logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/293:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Fri 6/123:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 3/31![Scandinavian Airlines logo]()
$725
This Vliegwinkel deal was found by Cheapflights users on 4/1. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Sat 9/53:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/1![Scandinavian Airlines logo]()
$727
This lastminute.com deal was found by Cheapflights users on 4/2. 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.
Thu 9/311:20 am
BRU
- SEA
2 stops35h 25m
Scandinavian Airlines
Tue 9/153:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/2![Scandinavian Airlines logo]()
$734
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub 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 4/1![Scandinavian Airlines logo]()
$756
This Trip.com deal was found by Cheapflights users on 4/4. 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.
Sat 5/233:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sat 6/63:55 pm
SEA
- BRU
1 stop13h 40m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$760
This FlightHub deal was found by Cheapflights users on 4/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sun 6/73:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$763
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/1510:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
Sun 5/317:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 4/4![Aer Lingus logo]()
$764
This Mytrip deal was found by Cheapflights users on 3/31. 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 5/174:05 pm
CRL
- SEA
3 stops35h 40m
Multiple Airlines
Tue 6/23:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$771
This eDestinos deal was found by Cheapflights users on 4/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Sun 5/313:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 4/1![Icelandair logo]()
$773
This Mytrip deal was found by Cheapflights users on 4/1. 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 5/178:35 am
CRL
- SEA
2 stops21h 05m
Multiple Airlines
Sun 5/313:40 pm
SEA
- CRL
2 stops22h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$921
This Mytrip deal was found by Cheapflights users on 4/2. 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 9/38:00 pm
CRL
- SEA
3 stops34h 07m
Multiple Airlines
Tue 9/153:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$969
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 April 5, 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 April 5, 2026.
This Mytrip deal was found by Cheapflights users on 3/31. 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 5/174:05 pm
CRL
- SEA
3 stops35h 40m
Multiple Airlines
Tue 6/23:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$771
This Scandinavian Airlines deal was found by Cheapflights users on 4/4. 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 5/217:10 pm
BRU
- SEA
1 stop27h 35m
Scandinavian Airlines
Tue 6/93:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$781
This Icelandair deal was found by Cheapflights users on 4/4. 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 5/201:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Thu 6/43:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 4/4![Icelandair logo]()
$880
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 5/178:30 am
BRU
- SEA
1 stop12h 50m
United Airlines
Sat 5/307:05 pm
SEA
- BRU
2 stops27h 20m
United Airlines
Deal found 4/3![United Airlines logo]()
$895
This Scandinavian Airlines deal was found by Cheapflights users on 4/3. 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 5/223:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sat 6/63:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$782
This Icelandair deal was found by Cheapflights users on 4/4. 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 8/281:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Mon 8/313:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 4/4![Icelandair logo]()
$880
This United Airlines deal was found by Cheapflights users on 4/4. 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 5/17:00 am
BRU
- SEA
1 stop14h 20m
United Airlines
Tue 6/97:30 am
SEA
- BRU
1 stop15h 15m
United Airlines
Deal found 4/4![United Airlines logo]()
$895
This Mytrip deal was found by Cheapflights users on 4/1. 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 5/178:35 am
CRL
- SEA
2 stops21h 05m
Multiple Airlines
Sun 5/313:40 pm
SEA
- CRL
2 stops22h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$921
This Scandinavian Airlines deal was found by Cheapflights users on 4/1. 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 9/177:10 pm
BRU
- SEA
1 stop27h 35m
Scandinavian Airlines
Mon 9/212:30 pm
SEA
- BRU
2 stops23h 30m
Scandinavian Airlines
Deal found 4/1![Scandinavian Airlines logo]()
$844
This Icelandair deal was found by Cheapflights users on 4/4. 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.
Thu 9/171:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Mon 9/217:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 4/4![Icelandair logo]()
$882
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 5/247:00 am
BRU
- SEA
1 stop14h 20m
United Airlines
Mon 6/83:00 pm
SEA
- BRU
2 stops20h 00m
United Airlines
Deal found 4/3![United Airlines logo]()
$898
This Scandinavian Airlines deal was found by Cheapflights users on 4/4. 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 4/277:10 pm
BRU
- SEA
2 stops36h 10m
Scandinavian Airlines
Sat 6/133:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$862
This Mytrip deal was found by Cheapflights users on 4/2. 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 9/38:00 pm
CRL
- SEA
3 stops34h 07m
Multiple Airlines
Tue 9/153:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$969
This Icelandair deal was found by Cheapflights users on 4/4. 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.
Sat 5/231:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Thu 6/43:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 4/4![Icelandair logo]()
$882
This Mytrip deal was found by Cheapflights users on 4/2. 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 5/287:45 am
CRL
- SEA
2 stops22h 23m
Multiple Airlines
Thu 6/117:00 pm
SEA
- CRL
2 stops17h 30m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$974
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Wed 6/246:35 am
CRL
- SEA
3 stops36h 05m
Multiple Airlines
Sun 6/288:00 am
SEA
- CRL
3 stops25h 20m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$1,116
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/168:25 am
CRL
- SEA
2 stops20h 23m
Multiple Airlines
Sun 5/317:10 pm
SEA
- CRL
1 stop17h 05m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,286
Last-minute flights from Belgium to SeattleDiscover last-minute flight deals from Belgium to Seattle. Data last updated April 5, 2026 and is based on user searches.
Discover last-minute flight deals from Belgium to Seattle. Data last updated April 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/1510:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
Sun 5/317:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 4/4![Aer Lingus logo]()
$764
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/1710:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
Tue 6/27:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 4/4![Aer Lingus logo]()
$711
This Mytrip deal was found by Cheapflights users on 3/31. 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 5/174:05 pm
CRL
- SEA
3 stops35h 40m
Multiple Airlines
Tue 6/23:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$771
This eDestinos deal was found by Cheapflights users on 4/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Sun 5/313:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 4/1![Icelandair logo]()
$773
This Mytrip deal was found by Cheapflights users on 4/1. 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 5/178:35 am
CRL
- SEA
2 stops21h 05m
Multiple Airlines
Sun 5/313:40 pm
SEA
- CRL
2 stops22h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$921
This Scandinavian Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 5/209:10 pm
BRU
- SEA
2 stops49h 35m
Scandinavian Airlines
Sun 6/73:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$785
This Scandinavian Airlines deal was found by Cheapflights users on 4/4. 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 5/218:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Sun 6/73:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$781
This FlightHub deal was found by Cheapflights users on 4/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sun 6/73:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$763
This Trip.com deal was found by Cheapflights users on 4/4. 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.
Sat 5/233:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sat 6/63:55 pm
SEA
- BRU
1 stop13h 40m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$760
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/2410:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Sun 6/73:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$784
This Mytrip deal was found by Cheapflights users on 4/2. 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 5/287:45 am
CRL
- SEA
2 stops22h 23m
Multiple Airlines
Thu 6/117:00 pm
SEA
- CRL
2 stops17h 30m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$974
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/293:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Fri 6/123:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 3/31![Scandinavian Airlines logo]()
$725
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 April 5, 2026.
Search for one-way flight options from Belgium to Seattle. Find affordable one-way fares based on user searches. Data last updated April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/269:00 pm
CRL
- SEA
3 stops54h 35m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/267:45 pm
BRU
- SEA
3 stops46h 55m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/259:40 pm
CRL
- SEA
3 stops54h 39m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/259:15 pm
BRU
- SEA
3 stops54h 30m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/149:45 pm
CRL
- SEA
3 stops52h 25m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$529
This Finnair deal was found by Cheapflights users on 3/31. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:55 pm
BRU
- SEA
1 stop24h 40m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 8/136:45 am
CRL
- SEA
3 stops43h 25m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 5/263:15 pm
BRU
- SEA
1 stop29h 20m
American Airlines
Deal found 4/1![American Airlines logo]()
$559
This British Airways deal was found by Cheapflights users on 4/1. 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 8/2710:50 am
BRU
- SEA
2 stops20h 30m
British Airways
Deal found 4/1![British Airways logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 6/2210:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
Deal found 4/1![Aer Lingus logo]()
$570
This KAYAK deal was found by Cheapflights users on 3/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:05 pm
BRU
- SEA
1 stop29h 30m
British Airways
Deal found 3/31![British Airways logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 8/157:15 pm
BRU
- SEA
3 stops30h 55m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$585
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 April 5, 2026.
Round-trip from | $725 (Kiwi.com) |
|---|---|
One-way from | $403 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $709 |
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 April 5, 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
Sun 5/17
4:05 pm-6:45 pm
3 stops35h 40m
Seattle/Tacoma Intl
Tue 6/2
3:40 pm-9:15 pm
2 stops20h 35m
$771
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 5/21
7:10 pm-1:45 pm
1 stop27h 35m
Seattle/Tacoma Intl
Tue 6/9
3:55 pm-9:40 am
1 stop32h 45m
$781
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Fri 5/22
3:15 pm-1:45 pm
1 stop31h 30m
Seattle/Tacoma Intl
Sat 6/6
3:55 pm-9:40 am
1 stop32h 45m
$782
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 9/17
7:10 pm-1:45 pm
1 stop27h 35m
Seattle/Tacoma Intl
Mon 9/21
2:30 pm-11:00 pm
2 stops23h 30m
$844
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 4/27
7:10 pm-10:20 pm
2 stops36h 10m
Seattle/Tacoma Intl
Sat 6/13
3:55 pm-9:40 am
1 stop32h 45m
$862
Quickest round-trip
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Wed 5/20
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Thu 6/4
3:40 pm-12:55 pm
1 stop12h 15m
$880
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Fri 8/28
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Mon 8/31
3:40 pm-12:55 pm
1 stop12h 15m
$880
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 9/17
1:50 pm-5:55 pm
1 stop13h 05m
Seattle/Tacoma Intl
Mon 9/21
7:00 pm-12:55 pm
1 stop32h 55m
$882
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sat 5/23
1:50 pm-11:45 am
1 stop30h 55m
Seattle/Tacoma Intl
Thu 6/4
3:40 pm-12:55 pm
1 stop12h 15m
$882
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sun 5/17
8:30 am-12:20 pm
1 stop12h 50m
Seattle/Tacoma Intl
Sat 5/30
7:05 pm-7:25 am
2 stops27h 20m
$895
Showing 1-10 of 34 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.
CRL-SEA
BRU-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
CRL-SEA
BRU-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 $524). 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 April 5, 2026.
Peruse reviews from past customers who have flown with KLM,United 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.
Entertainment
7.1
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.6
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.6
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.6
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.6
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.6
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.6
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
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
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
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Complete your trip
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Search flights from Belgium to Seattle by cabin class
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Belgium and Seattle flights
Browse other Belgium and Seattle flight options. Last updated on April 5, 2026.
Popular flight searches
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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 April 5, 2026.
Top 7 airlines flying from Belgium to Seattle
Discover the top 7 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 April 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| 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$643 | Average$882 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$761 | Average$881 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$787 | Average$1,199 | FlexibilityNo cancel fee | On-timeN/A |