$485+ Cheap flights from Bruxelles-National (BRU) 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
Jul 22 — Jul 291
Round-trip
1 adult, Economy
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Cheapest flights from Bruxelles-National to SeattleExplore the most affordable flight options available from Bruxelles-National to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2026.
Explore the most affordable flight options available from Bruxelles-National to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 10/810:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
Sat 10/247:10 pm
SEA
- BRU
1 stop17h 00m
Aer Lingus
Deal found 6/18![Aer Lingus logo]()
$652
This Trip.com deal was found by Cheapflights users on 6/21. 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.
Thu 9/34:55 pm
BRU
- SEA
2 stops27h 50m
Multiple Airlines
Wed 9/163:40 pm
SEA
- BRU
2 stops19h 20m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$663
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
Thu 8/277:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 6/19![Aer Lingus logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 9/110:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Fri 9/183:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 6/18![Scandinavian Airlines logo]()
$771
This Mytrip deal was found by Cheapflights users on 6/19. 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 8/199:25 pm
BRU
- SEA
3 stops45h 15m
Multiple Airlines
Fri 8/287:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$774
This oojo deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sat 9/193:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 6/21![Scandinavian Airlines logo]()
$781
This lol.travel deal was found by Cheapflights users on 6/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Sat 9/123:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 6/19![Scandinavian Airlines logo]()
$784
This Scandinavian Airlines deal was found by Cheapflights users on 6/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
Sun 10/113:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 6/22![Scandinavian Airlines logo]()
$785
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 8/2110:20 am
BRU
- SEA
1 stop15h 50m
Multiple Airlines
Thu 8/2711:25 pm
SEA
- BRU
2 stops48h 50m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$789
This lol.travel deal was found by Cheapflights users on 6/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 am
BRU
- SEA
1 stop18h 30m
Finnair
Mon 9/215:40 pm
SEA
- BRU
1 stop19h 55m
Finnair
Deal found 6/19![Finnair logo]()
$790
This Mytrip deal was found by Cheapflights users on 6/20. 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 8/199:25 pm
BRU
- SEA
3 stops45h 15m
Multiple Airlines
Sat 8/293:40 pm
SEA
- BRU
2 stops15h 45m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$791
Best flights from Bruxelles-National to SeattleDiscover carefully curated flight deals from Bruxelles-National to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
Discover carefully curated flight deals from Bruxelles-National to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
This British Airways deal was found by Cheapflights users on 6/19. 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.
Sat 9/58:05 pm
BRU
- SEA
1 stop24h 30m
British Airways
Tue 9/153:42 pm
SEA
- BRU
2 stops19h 43m
British Airways
Deal found 6/19![British Airways logo]()
$832
This Delta deal was found by Cheapflights users on 6/19. 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.
Thu 9/178:05 am
BRU
- SEA
1 stop12h 42m
Delta
Thu 10/17:30 am
SEA
- BRU
2 stops17h 10m
Delta
Deal found 6/19![Delta logo]()
$841
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 7/2210:30 am
BRU
- SEA
2 stops17h 36m
United Airlines
Fri 8/2111:00 pm
SEA
- BRU
2 stops29h 15m
United Airlines
Deal found 6/19![United Airlines logo]()
$896
This British Airways deal was found by Cheapflights users on 6/19. 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.
Sat 9/510:40 am
BRU
- SEA
2 stops22h 33m
British Airways
Wed 9/303:42 pm
SEA
- BRU
2 stops19h 43m
British Airways
Deal found 6/19![British Airways logo]()
$838
This Delta deal was found by Cheapflights users on 6/21. 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.
Mon 9/1410:25 am
BRU
- SEA
2 stops19h 50m
Delta
Mon 9/2111:59 pm
SEA
- BRU
1 stop22h 41m
Delta
Deal found 6/21![Delta logo]()
$844
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:20 am
BRU
- SEA
2 stops18h 47m
United Airlines
Mon 8/318:40 am
SEA
- BRU
3 stops19h 35m
United Airlines
Deal found 6/22![United Airlines logo]()
$896
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:05 am
BRU
- SEA
2 stops19h 25m
Delta
Sat 9/197:15 am
SEA
- BRU
2 stops22h 25m
Delta
Deal found 6/22![Delta logo]()
$846
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/78:35 am
BRU
- SEA
2 stops20h 01m
United Airlines
Fri 7/248:15 am
SEA
- BRU
1 stop14h 00m
United Airlines
Deal found 6/18![United Airlines logo]()
$904
This British Airways deal was found by Cheapflights users on 6/20. 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.
Wed 7/229:15 pm
BRU
- SEA
1 stop23h 20m
British Airways
Wed 8/51:30 pm
SEA
- BRU
1 stop21h 55m
British Airways
Deal found 6/20![British Airways logo]()
$907
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/1710:15 am
BRU
- SEA
1 stop32h 24m
United Airlines
Fri 7/245:00 am
SEA
- BRU
2 stops17h 15m
United Airlines
Deal found 6/18![United Airlines logo]()
$911
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 8/310:15 am
BRU
- SEA
1 stop17h 51m
United Airlines
Sat 8/2211:04 pm
SEA
- BRU
1 stop23h 11m
United Airlines
Deal found 6/18![United Airlines logo]()
$922
Last-minute flights from Bruxelles-National to SeattleDiscover last-minute flight deals from Bruxelles-National to Seattle. Data last updated June 22, 2026 and is based on user searches.
Discover last-minute flight deals from Bruxelles-National to Seattle. Data last updated June 22, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 6/18. 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 6/251:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Wed 7/87:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 6/18![Icelandair logo]()
$830
This Gotogate deal was found by Cheapflights users on 6/19. 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 stop30h 55m
Icelandair
Fri 7/103:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 6/19![Icelandair logo]()
$833
This Gotogate deal was found by Cheapflights users on 6/20. 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 6/281:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Sat 7/117:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 6/20![Icelandair logo]()
$818
This Gotogate deal was found by Cheapflights users on 6/18. 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 6/291:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Sat 7/113:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 6/18![Icelandair logo]()
$851
This oojo deal was found by Cheapflights users on 6/18. 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 6/291:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Sun 7/197:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 6/18![Icelandair logo]()
$854
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Fri 7/177:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 6/22![Icelandair logo]()
$844
One-way flights from Bruxelles-National to SeattleSearch for one-way flight options from Bruxelles-National to Seattle. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
Search for one-way flight options from Bruxelles-National to Seattle. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 9/179:10 pm
BRU
- SEA
2 stops27h 50m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 9/188:05 am
BRU
- SEA
3 stops16h 55m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 10/37:15 pm
BRU
- SEA
3 stops30h 55m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$546
This Trip.com deal was found by Cheapflights users on 6/19. 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.
Wed 9/92:30 pm
BRU
- SEA
2 stops37h 30m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/288:55 pm
BRU
- SEA
3 stops33h 05m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$552
This Booking.com deal was found by Cheapflights users on 6/19. 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 9/411:20 am
BRU
- SEA
1 stop13h 40m
Finnair
Deal found 6/19![Finnair logo]()
$556
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Thu 10/1510:50 am
BRU
- SEA
1 stop16h 35m
American Airlines
Deal found 6/21![American Airlines logo]()
$559
This British Airways deal was found by Cheapflights users on 6/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:15 pm
BRU
- SEA
1 stop23h 20m
British Airways
Deal found 6/22![British Airways logo]()
$560
This oojo deal was found by Cheapflights users on 6/21. 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.
Thu 10/159:25 pm
BRU
- SEA
2 stops23h 10m
Aer Lingus
Deal found 6/21![Aer Lingus logo]()
$563
Find flight deals from Bruxelles-National to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $652 (Kiwi.com) |
One-way from | $485 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $1,039 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bruxelles-National 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 June 22, 2026.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sat 9/5
8:05 pm-11:35 am
1 stop24h 30m
Seattle/Tacoma Intl
Tue 9/15
3:42 pm-8:25 pm
2 stops19h 43m
$832
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sat 9/5
10:40 am-12:13 am
2 stops22h 33m
Seattle/Tacoma Intl
Wed 9/30
3:42 pm-8:25 pm
2 stops19h 43m
$838
Quickest round-trip
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 9/17
8:05 am-11:47 am
1 stop12h 42m
Seattle/Tacoma Intl
Thu 10/1
7:30 am-9:40 am
2 stops17h 10m
$841
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 9/14
10:25 am-9:15 pm
2 stops19h 50m
Seattle/Tacoma Intl
Mon 9/21
11:59 pm-7:40 am
1 stop22h 41m
$844
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sat 9/12
8:05 am-6:30 pm
2 stops19h 25m
Seattle/Tacoma Intl
Sat 9/19
7:15 am-2:40 pm
2 stops22h 25m
$846
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Wed 7/22
10:30 am-7:06 pm
2 stops17h 36m
Seattle/Tacoma Intl
Fri 8/21
11:00 pm-1:15 pm
2 stops29h 15m
$896
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 8/17
6:20 am-4:07 pm
2 stops18h 47m
Seattle/Tacoma Intl
Mon 8/31
8:40 am-1:15 pm
3 stops19h 35m
$896
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Tue 7/7
8:35 am-7:36 pm
2 stops20h 01m
Seattle/Tacoma Intl
Fri 7/24
8:15 am-7:15 am
1 stop14h 00m
$904
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Wed 7/22
9:15 pm-11:35 am
1 stop23h 20m
Seattle/Tacoma Intl
Wed 8/5
1:30 pm-8:25 pm
1 stop21h 55m
$907
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Fri 7/17
10:15 am-9:39 am
1 stop32h 24m
Seattle/Tacoma Intl
Fri 7/24
5:00 am-7:15 am
2 stops17h 15m
$911
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Bruxelles-National to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bruxelles-National to Seattle in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Brussels Bruxelles-National Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brussels Bruxelles-National Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Brussels Bruxelles-National Airport-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Brussels Bruxelles-National Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Brussels Bruxelles-National Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Bruxelles-National to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Bruxelles-National with our price prediction graph.
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 Brussels Bruxelles-National Airport to Seattle
Prices
More
How far ahead should I book a flight from Brussels Bruxelles-National Airport to Seattle?
The best time to book flights from Brussels Bruxelles-National Airport to Seattle is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Seattle?
Currently, December is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Seattle (average of $597). Flying from Brussels Bruxelles-National Airport to Seattle in January is currently the most expensive (average of $1,232). 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 much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Seattle?
What’s the top layover airport for flights from Brussels Bruxelles-National Airport to Seattle?
Share of 1-stop round-trip flights from Brussels Bruxelles-National Airport to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Helsinki (HEL) – chosen by Cheapflights users on 80% of 1-stop itineraries from Brussels Bruxelles-National Airport to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Brussels Bruxelles-National Airport to Seattle?
Average round-trip fare for 1-stop flights from Brussels Bruxelles-National Airport to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dublin (DUB) is the most affordable 1-stop option, with an average round-trip price of $719.
What’s the fastest layover option from Brussels Bruxelles-National Airport to Seattle?
Shortest average travel time for 1-stop one-way flights from Brussels Bruxelles-National Airport to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Helsinki (HEL) have the shortest average one-way travel time for 1-stop routes: 13h 40m.
Which airport typically offers the quickest layover for flights from Brussels Bruxelles-National Airport to Seattle?
Average layover duration for 1-stop one-way flights from Brussels Bruxelles-National Airport to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Helsinki (HEL) offer the fastest connection on this route, with an average layover time of 2h 30m.
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 June 22, 2026.
Read reviews from past customers who have flown KLM,United Airlines, andIcelandair from Brussels Bruxelles-National Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.2
Comfort
7.7
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Bruxelles-National to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Bruxelles-National and Seattle flights
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Top 6 airlines flying from Bruxelles-National to Seattle
Discover the top 6 airlines that operate flights from Bruxelles-National 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 June 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$529 | Average$932 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$584 | Average$782 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$586 | Average$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$1,047 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$711 | Average$794 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$823 | Average$882 | FlexibilityNo cancel fee | On-time76% |