$459+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from Belgium to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Belgium to Seattle
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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 August 27, 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 August 27, 2026.
This Mytrip deal was found by Cheapflights users on 8/24. 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.
Fri 10/210:20 am -
1 stop12h 25m
Fri 10/93:55 pm -
1 stop18h 55m
Deal found 8/24![Scandinavian Airlines logo]()
$703
This Mytrip deal was found by Cheapflights users on 8/25. 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.
Fri 10/210:20 am -
1 stop12h 25m
Sat 10/103:55 pm -
1 stop32h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$710
This Mytrip deal was found by Cheapflights users on 8/26. 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.
Fri 10/97:30 pm -
3 stops27h 15m
Fri 10/167:00 pm -
1 stop32h 55m
Deal found 8/26![Multiple Airlines logo]()
$739
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/1510:20 am -
2 stops41h 25m
Wed 10/283:35 pm -
1 stop12h 20m
Deal found 8/26![Multiple Airlines logo]()
$773
This Vliegwinkel deal was found by Cheapflights users on 8/25. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:30 pm -
1 stop26h 15m
Sun 10/113:55 pm -
1 stop17h 35m
Deal found 8/25![Scandinavian Airlines logo]()
$785
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:20 am -
1 stop12h 25m
Sun 10/113:55 pm -
1 stop17h 35m
Deal found 8/25![Scandinavian Airlines logo]()
$792
This Mytrip deal was found by Cheapflights users on 8/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:05 am -
2 stops20h 35m
Mon 11/22:35 pm -
2 stops22h 00m
Deal found 8/23![Multiple Airlines logo]()
$938
This Mytrip deal was found by Cheapflights users on 8/25. 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.
Fri 9/256:30 am -
2 stops16h 15m
Sun 10/113:55 pm -
2 stops21h 35m
Deal found 8/25![Multiple Airlines logo]()
$946
This Mytrip deal was found by Cheapflights users on 8/24. 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.
Fri 10/169:50 am -
2 stops17h 55m
Sun 10/253:35 pm -
3 stops23h 00m
Deal found 8/24![Multiple Airlines logo]()
$951
This Mytrip deal was found by Cheapflights users on 8/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:30 am -
2 stops19h 10m
Mon 11/22:35 pm -
2 stops20h 00m
Deal found 8/23![Multiple Airlines logo]()
$970
This Mytrip deal was found by Cheapflights users on 8/26. 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.
Tue 12/17:05 am -
2 stops18h 55m
Thu 12/102:35 pm -
2 stops21h 35m
Deal found 8/26![Multiple Airlines logo]()
$999
This Mytrip deal was found by Cheapflights users on 8/26. 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.
Tue 12/17:05 am -
2 stops18h 55m
Sun 12/62:35 pm -
2 stops23h 00m
Deal found 8/26![Multiple Airlines logo]()
$1,005
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 August 27, 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 August 27, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 10/210:20 am -
1 stop12h 25m
Sat 10/103:55 pm -
2 stops33h 20m
Deal found 8/25![Scandinavian Airlines logo]()
$721
This British Airways deal was found by Cheapflights users on 8/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:15 pm -
1 stop23h 20m
Wed 10/287:45 pm -
1 stop16h 25m
Deal found 8/26![British Airways logo]()
$843
This Priceline deal was found by Cheapflights users on 8/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:05 pm -
2 stops33h 39m
Sun 10/257:10 pm -
1 stop32h 45m
Deal found 8/22![Multiple Airlines logo]()
$859
This Icelandair deal was found by Cheapflights users on 8/26. 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.
Thu 10/151:50 pm -
1 stop15h 50m
Sun 10/183:40 pm -
1 stop12h 15m
Deal found 8/26![Icelandair logo]()
$875
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:20 am -
2 stops17h 02m
Sun 10/1810:50 am -
2 stops17h 25m
Deal found 8/27![United Airlines logo]()
$921
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:20 am -
1 stop19h 15m
Sat 9/197:15 am -
2 stops22h 25m
Deal found 8/23![Delta logo]()
$933
This oojo deal was found by Cheapflights users on 8/22. 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.
Mon 10/129:10 pm -
2 stops34h 54m
Sun 10/257:16 am -
2 stops28h 34m
Deal found 8/22![Scandinavian Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop14h 00m
Sun 12/271:02 pm -
2 stops15h 13m
Deal found 8/24![United Airlines logo]()
$922
This Mytrip deal was found by Cheapflights users on 8/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:05 am -
2 stops20h 35m
Mon 11/22:35 pm -
2 stops22h 00m
Deal found 8/23![Multiple Airlines logo]()
$938
This British Airways deal was found by Cheapflights users on 8/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:55 am -
2 stops19h 41m
Fri 9/181:40 pm -
2 stops20h 35m
Deal found 8/26![British Airways logo]()
$1,017
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 12/18:25 am -
3 stops23h 48m
Thu 12/109:02 am -
2 stops19h 13m
Deal found 8/26![United Airlines logo]()
$927
This Mytrip deal was found by Cheapflights users on 8/25. 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.
Fri 9/256:30 am -
2 stops16h 15m
Sun 10/113:55 pm -
2 stops21h 35m
Deal found 8/25![Multiple Airlines logo]()
$946
This Mytrip deal was found by Cheapflights users on 8/24. 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.
Fri 10/169:50 am -
2 stops17h 55m
Sun 10/253:35 pm -
3 stops23h 00m
Deal found 8/24![Multiple Airlines logo]()
$951
This Mytrip deal was found by Cheapflights users on 8/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:30 am -
2 stops19h 10m
Mon 11/22:35 pm -
2 stops20h 00m
Deal found 8/23![Multiple Airlines logo]()
$970
This Mytrip deal was found by Cheapflights users on 8/26. 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.
Tue 12/17:05 am -
2 stops18h 55m
Thu 12/102:35 pm -
2 stops21h 35m
Deal found 8/26![Multiple Airlines logo]()
$999
This Mytrip deal was found by Cheapflights users on 8/26. 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.
Tue 12/17:05 am -
2 stops18h 55m
Sun 12/62:35 pm -
2 stops23h 00m
Deal found 8/26![Multiple Airlines logo]()
$1,005
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/237:40 pm -
2 stops34h 00m
Wed 9/307:10 pm -
1 stop28h 30m
Deal found 8/26![Multiple Airlines logo]()
$1,084
This Mytrip deal was found by Cheapflights users on 8/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:40 am -
3 stops33h 00m
Mon 9/218:00 am -
3 stops27h 35m
Deal found 8/23![Multiple Airlines logo]()
$1,104
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/159:05 pm -
1 stop27h 39m
Wed 10/285:45 pm -
2 stops30h 10m
Deal found 8/27![Multiple Airlines logo]()
$1,104
Last-minute flights from Belgium to SeattleDiscover last-minute flight deals from Belgium to Seattle. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Belgium to Seattle. Data last updated August 27, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/26. 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.
Thu 9/109:00 am -
3 stops22h 47m
Thu 9/178:00 am -
3 stops28h 30m
Deal found 8/26![Multiple Airlines logo]()
$1,131
This Mytrip deal was found by Cheapflights users on 8/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:30 am -
2 stops33h 10m
Mon 9/217:00 pm -
1 stop32h 55m
Deal found 8/23![Multiple Airlines logo]()
$845
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Mon 9/1410:00 pm -
2 stops29h 45m
Mon 9/217:10 pm -
1 stop28h 15m
Deal found 8/23![Multiple Airlines logo]()
$1,056
This oojo deal was found by Cheapflights users on 8/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:10 pm -
2 stops35h 10m
Sat 9/263:55 pm -
2 stops17h 25m
Deal found 8/24![Scandinavian Airlines logo]()
$848
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:30 am -
2 stops42h 15m
Mon 9/287:00 pm -
1 stop32h 55m
Deal found 8/24![Multiple Airlines logo]()
$841
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:50 am -
2 stops19h 46m
Mon 9/287:51 am -
2 stops17h 14m
Deal found 8/24![American Airlines logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/218:50 am -
2 stops16h 10m
Mon 9/287:10 pm -
1 stop28h 15m
Deal found 8/24![Multiple Airlines logo]()
$1,028
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/237:40 pm -
2 stops34h 00m
Wed 9/307:10 pm -
1 stop28h 30m
Deal found 8/26![Multiple Airlines logo]()
$1,084
This Vliegwinkel deal was found by Cheapflights users on 8/25. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:30 pm -
1 stop26h 15m
Sun 10/113:55 pm -
1 stop17h 35m
Deal found 8/25![Scandinavian Airlines logo]()
$785
This Mytrip deal was found by Cheapflights users on 8/25. 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.
Fri 9/256:30 am -
2 stops16h 15m
Sun 10/113:55 pm -
2 stops21h 35m
Deal found 8/25![Multiple Airlines logo]()
$946
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:20 am -
1 stop12h 25m
Sun 10/113:55 pm -
1 stop17h 35m
Deal found 8/25![Scandinavian Airlines logo]()
$792
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 August 27, 2026.
Search for one-way flight options from Belgium to Seattle. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/127:55 pm -
3 stops45h 54m
Deal found 8/24![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Wed 9/25:35 pm -
3 stops58h 10m
Deal found 8/23![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Fri 9/49:50 am -
3 stops44h 10m
Deal found 8/23![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/218:25 pm -
3 stops51h 52m
Deal found 8/24![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 10/26:50 am -
3 stops39h 55m
Deal found 8/27![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/129:25 am -
3 stops56h 24m
Deal found 8/24![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/2110:20 am -
1 stop15h 50m
Deal found 8/24![Aer Lingus logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Wed 10/79:45 pm -
2 stops31h 55m
Deal found 8/23![Multiple Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Sat 10/109:30 am -
3 stops37h 15m
Deal found 8/26![Multiple Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/19:00 pm -
2 stops32h 40m
Deal found 8/24![Multiple Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Fri 9/410:20 am -
3 stops43h 40m
Deal found 8/23![Multiple Airlines logo]()
$528
This FlightHub deal was found by Cheapflights users on 8/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:50 pm -
1 stop28h 45m
Deal found 8/24![Multiple Airlines logo]()
$536
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 August 27, 2026.
Round-trip from | $703 (Mytrip) |
|---|---|
One-way from | $459 (Kiwi.com) |
Popular in | January |
Cheapest in | May |
Average price | $890 |
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 7,457,451 searches. Data last updated August 27, 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
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Fri 10/2
10:20 am-1:45 pm
1 stop12h 25m
Seattle/Tacoma Intl
Sat 10/10
3:55 pm-10:15 am
2 stops33h 20m
$721
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 10/15
9:15 pm-11:35 am
1 stop23h 20m
Seattle/Tacoma Intl
Wed 10/28
7:45 pm-8:10 pm
1 stop16h 25m
$843
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Mon 10/12
7:05 pm-7:44 pm
2 stops33h 39m
Seattle/Tacoma Intl
Sun 10/25
7:10 pm-11:55 am
1 stop32h 45m
$859
Quickest round-trip
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 10/15
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Sun 10/18
3:40 pm-12:55 pm
1 stop12h 15m
$875
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Mon 10/12
9:10 pm-11:04 pm
2 stops34h 54m
Seattle/Tacoma Intl
Sun 10/25
7:16 am-7:50 pm
2 stops28h 34m
$903
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Sun 10/11
6:20 am-2:22 pm
2 stops17h 02m
Seattle/Tacoma Intl
Sun 10/18
10:50 am-1:15 pm
2 stops17h 25m
$921
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 12/3
7:00 am-12:00 pm
1 stop14h 00m
Seattle/Tacoma Intl
Sun 12/27
1:02 pm-1:15 pm
2 stops15h 13m
$922
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Tue 12/1
8:25 am-11:13 pm
3 stops23h 48m
Seattle/Tacoma Intl
Thu 12/10
9:02 am-1:15 pm
2 stops19h 13m
$927
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Sat 9/12
6:20 am-4:35 pm
1 stop19h 15m
Seattle/Tacoma Intl
Sat 9/19
7:15 am-2:40 pm
2 stops22h 25m
$933
BrusselsSeattle
CRL Charleroi Brussels - SEA Seattle/Tacoma Intl
CRLSEA
Charleroi Brussels
Sun 10/18
9:05 am-8:40 pm
2 stops20h 35m
Seattle/Tacoma Intl
Mon 11/2
2:35 pm-9:35 pm
2 stops22h 00m
$938
Showing 1-10 of 35 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, May is the cheapest month in which you can book a flight from Belgium to Seattle (average of $781). Flying from Belgium to Seattle in January is currently the most expensive (average of $1,376). 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 89 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 August 27, 2026.
Peruse reviews from past customers who have flown with KLM,Scandinavian Airlines, andUnited Airlines 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.
Boarding
7.8
Comfort
7.7
Overall
7.8
Crew
8.4
Food
7.3
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Comfort
7.7
Overall
7.8
Crew
8.4
Food
7.3
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Comfort
7.7
Overall
7.8
Crew
8.4
Food
7.3
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Comfort
7.7
Overall
7.8
Crew
8.4
Food
7.3
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Comfort
7.7
Overall
7.8
Crew
8.4
Food
7.3
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - 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
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Centralia
Puyallup
Kent
Tumwater
Ellensburg
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo
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Alternative routes for Belgium to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
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 August 27, 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 August 27, 2026.
Top 4 airlines flying from Belgium to Seattle
Discover the top 4 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$584 | Average$823 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$676 | Average$1,089 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$711 | Average$953 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$823 | Average$886 | FlexibilityNo cancel fee | On-time76% |