$454+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
jul. 11 — jul. 181
Round-trip
1 adult, Economy
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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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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 juni 11, 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 juni 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
on. 7/87:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 6/9![Aer Lingus logo]()
$652
This Orbitz deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 10/1310:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
to. 10/227:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 6/10![Aer Lingus logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 9/710:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
on. 9/167:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 6/10![Aer Lingus logo]()
$654
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 10/1310:00 am
BRU
- SEA
2 stops17h 45m
Multiple Airlines
to. 10/227:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$761
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:00 am
BRU
- SEA
2 stops32h 40m
Multiple Airlines
ti. 7/73:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$769
This oojo deal was found by Cheapflights users on 6/9. 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.
lø. 9/123:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
lø. 9/193:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$770
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:00 am
BRU
- SEA
2 stops32h 40m
Multiple Airlines
fr. 7/311:25 pm
SEA
- BRU
1 stop28h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$771
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 9/179:10 pm
BRU
- SEA
2 stops27h 50m
Multiple Airlines
ma. 9/217:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$772
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:00 am
BRU
- SEA
2 stops32h 40m
Multiple Airlines
to. 7/93:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
to. 6/2510:15 pm
BRU
- SEA
2 stops53h 30m
Multiple Airlines
on. 7/811:25 pm
SEA
- BRU
1 stop28h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$788
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 juni 11, 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 juni 11, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lø. 9/123:15 pm
BRU
- SEA
1 stop31h 30m
Scandinavian Airlines
sø. 9/203:55 pm
SEA
- BRU
2 stops33h 45m
Scandinavian Airlines
Deal found 6/10![Scandinavian Airlines logo]()
$817
This Icelandair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 10/151:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
sø. 10/183:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 6/10![Icelandair logo]()
$838
This United Airlines deal was found by Cheapflights users on 6/8. 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.
ma. 6/296:20 am
BRU
- SEA
2 stops17h 02m
United Airlines
ma. 7/278:15 am
SEA
- BRU
1 stop14h 00m
United Airlines
Deal found 6/8![United Airlines logo]()
$894
This Icelandair deal was found by Cheapflights users on 6/8. 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.
to. 6/251:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
fr. 7/103:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 6/8![Icelandair logo]()
$879
This United Airlines deal was found by Cheapflights users on 6/7. 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.
ma. 6/2210:15 am
BRU
- SEA
2 stops19h 38m
United Airlines
sø. 7/57:30 am
SEA
- BRU
1 stop15h 15m
United Airlines
Deal found 6/7![United Airlines logo]()
$907
This Icelandair deal was found by Cheapflights users on 6/7. 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.
on. 6/241:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
on. 7/111:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Deal found 6/7![Icelandair logo]()
$881
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 7/2610:15 am
BRU
- SEA
2 stops21h 55m
United Airlines
fr. 8/710:52 am
SEA
- BRU
1 stop13h 08m
United Airlines
Deal found 6/10![United Airlines logo]()
$909
This Icelandair deal was found by Cheapflights users on 6/9. 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.
ma. 6/221:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
fr. 6/267:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 6/9![Icelandair logo]()
$882
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lø. 8/110:15 am
BRU
- SEA
1 stop21h 41m
United Airlines
lø. 8/1511:00 pm
SEA
- BRU
2 stops23h 15m
United Airlines
Deal found 6/10![United Airlines logo]()
$909
Last-minute flights from Bruxelles-National to SeattleDiscover last-minute flight deals from Bruxelles-National to Seattle. Data last updated juni 11, 2026 and is based on user searches.
Discover last-minute flight deals from Bruxelles-National to Seattle. Data last updated juni 11, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/8. 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.
lø. 6/209:20 am
BRU
- SEA
2 stops33h 20m
Multiple Airlines
fr. 7/311:25 pm
SEA
- BRU
1 stop28h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$789
This Mytrip deal was found by Cheapflights users on 6/7. 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.
sø. 6/219:50 am
BRU
- SEA
2 stops32h 50m
Multiple Airlines
lø. 7/47:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$797
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 6/228:50 pm
BRU
- SEA
2 stops45h 50m
Multiple Airlines
fr. 7/311:25 pm
SEA
- BRU
1 stop28h 30m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$811
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:20 am
BRU
- SEA
1 stop15h 50m
Aer Lingus
on. 7/87:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 6/9![Aer Lingus logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:00 am
BRU
- SEA
2 stops32h 40m
Multiple Airlines
ti. 7/73:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$769
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:00 am
BRU
- SEA
2 stops32h 40m
Multiple Airlines
fr. 7/311:25 pm
SEA
- BRU
1 stop28h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$771
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
ti. 6/2310:00 am
BRU
- SEA
2 stops32h 40m
Multiple Airlines
to. 7/93:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
to. 6/2510:15 pm
BRU
- SEA
2 stops53h 30m
Multiple Airlines
on. 7/811:25 pm
SEA
- BRU
1 stop28h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$788
This Gotogate deal was found by Cheapflights users on 6/8. 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.
to. 6/251:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
on. 7/87:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 6/8![Icelandair logo]()
$818
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 juni 11, 2026.
Search for one-way flight options from Bruxelles-National to Seattle. Find affordable one-way fares based on user searches. Data last updated juni 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
on. 9/169:15 pm
BRU
- SEA
3 stops51h 45m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
to. 9/106:20 pm
BRU
- SEA
2 stops51h 40m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 6/2510:15 pm
BRU
- SEA
3 stops31h 45m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
lø. 9/124:40 pm
BRU
- SEA
3 stops56h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
to. 9/179:10 pm
BRU
- SEA
2 stops27h 50m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
on. 9/96:00 pm
BRU
- SEA
2 stops34h 13m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 9/110:00 am
BRU
- SEA
2 stops32h 40m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$522
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 juni 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $652 (Kiwi.com) |
One-way from | $454 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $838 |
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 juni 11, 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
lø. 9/12
3:15 pm-1:45 pm
1 stop31h 30m
Seattle/Tacoma Intl
sø. 9/20
3:55 pm-10:40 am
2 stops33h 45m
$817
Quickest round-trip
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
to. 10/15
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
sø. 10/18
3:40 pm-12:55 pm
1 stop12h 15m
$838
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
to. 6/25
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
fr. 7/10
3:40 pm-12:55 pm
1 stop12h 15m
$879
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
on. 6/24
1:50 pm-5:55 pm
1 stop13h 05m
Seattle/Tacoma Intl
on. 7/1
11:25 pm-12:55 pm
1 stop28h 30m
$881
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
ma. 6/22
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
fr. 6/26
7:00 pm-12:55 pm
1 stop32h 55m
$882
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
ma. 6/29
6:20 am-2:22 pm
2 stops17h 02m
Seattle/Tacoma Intl
ma. 7/27
8:15 am-7:15 am
1 stop14h 00m
$894
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
ma. 6/22
10:15 am-8:53 pm
2 stops19h 38m
Seattle/Tacoma Intl
sø. 7/5
7:30 am-7:45 am
1 stop15h 15m
$907
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
sø. 7/26
10:15 am-11:10 pm
2 stops21h 55m
Seattle/Tacoma Intl
fr. 8/7
10:52 am-9:00 am
1 stop13h 08m
$909
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
lø. 8/1
10:15 am-10:56 pm
1 stop21h 41m
Seattle/Tacoma Intl
lø. 8/15
11:00 pm-7:15 am
2 stops23h 15m
$909
Cheapest one-way
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
to. 6/25
10:15 pm-9:00 pm
3 stops31h 45m
$490
Showing 1-10 of 16 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 juni 11, 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.
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
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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 juni 11, 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$676 | Average$1,047 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$823 | Average$882 | FlexibilityNo cancel fee | On-time76% |