$305+ Cheap flights from Seattle (SEA) to Bruxelles-National (BRU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BRU
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bruxelles-National with Cheapflights
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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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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 Seattle to Bruxelles-National
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One-way
Cheapest flights from Seattle to Bruxelles-NationalExplore the most affordable flight options available from Seattle to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
Explore the most affordable flight options available from Seattle to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
This Gotogate deal was found by Cheapflights users on 10/13. 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 11/92:35 pm -
1 stop12h 20m
Tue 11/2412:50 pm -
1 stop13h 10m
Deal found 10/13![Icelandair logo]()
$647
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
1 stop12h 20m
Tue 12/812:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$657
This FlightHub deal was found by Cheapflights users on 10/12. 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.
Mon 11/162:35 pm -
1 stop12h 20m
Thu 12/312:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$669
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/162:35 pm -
1 stop12h 20m
Tue 12/112:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$722
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/142:35 pm -
1 stop12h 20m
Thu 12/312:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$724
This lol.travel deal was found by Cheapflights users on 10/12. 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.
Mon 11/233:15 pm -
2 stops19h 55m
Tue 12/89:10 am -
2 stops18h 12m
Deal found 10/12![Multiple Airlines logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/217:00 pm -
1 stop32h 55m
Mon 11/165:35 pm -
2 stops33h 58m
Deal found 10/12![Multiple Airlines logo]()
$760
This lol.travel deal was found by Cheapflights users on 10/12. 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.
Mon 11/232:13 pm -
2 stops17h 27m
Tue 12/812:05 pm -
1 stop13h 45m
Deal found 10/12![British Airways logo]()
$767
Best flights from Seattle to Bruxelles-NationalDiscover carefully curated flight deals from Seattle to Bruxelles-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
Discover carefully curated flight deals from Seattle to Bruxelles-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Mon 11/239:05 am -
2 stops19h 10m
Thu 12/107:00 am -
1 stop14h 00m
Deal found 10/10![United Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:45 am -
1 stop14h 15m
Mon 12/710:45 am -
1 stop34h 05m
Deal found 10/10![Delta logo]()
$797
This British Airways deal was found by Cheapflights users on 10/13. 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.
Mon 4/51:35 pm -
1 stop15h 50m
Mon 4/1210:50 am -
1 stop33h 45m
Deal found 10/13![British Airways logo]()
$804
This United Airlines deal was found by Cheapflights users on 10/13. 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 2/147:00 am -
2 stops21h 15m
Sat 2/207:00 am -
1 stop14h 00m
Deal found 10/13![United Airlines logo]()
$792
This British Airways deal was found by Cheapflights users on 10/12. 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 11/191:40 pm -
1 stop12h 05m
Wed 12/28:35 pm -
1 stop23h 50m
Deal found 10/12![British Airways logo]()
$852
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1610:50 pm -
1 stop24h 15m
Sat 1/237:00 am -
1 stop14h 00m
Deal found 10/11![United Airlines logo]()
$794
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Sat 4/1011:50 pm -
1 stop24h 10m
Sun 4/1811:10 am -
1 stop18h 55m
Deal found 10/12![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Sat 11/2810:00 pm -
2 stops29h 35m
Thu 12/1011:55 am -
1 stop18h 06m
Deal found 10/10![United Airlines logo]()
$824
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/276:30 am -
2 stops21h 45m
Fri 12/46:45 am -
1 stop15h 15m
Deal found 10/13![United Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Mon 11/238:09 am -
1 stop14h 06m
Sat 12/511:55 am -
1 stop18h 06m
Deal found 10/10![United Airlines logo]()
$850
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/198:09 am -
1 stop14h 06m
Fri 12/411:55 am -
1 stop18h 06m
Deal found 10/12![United Airlines logo]()
$850
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/138:30 am -
3 stops19h 45m
Mon 11/1610:30 am -
2 stops40h 56m
Deal found 10/13![United Airlines logo]()
$907
Last-minute flights from Seattle to Bruxelles-NationalDiscover last-minute flight deals from Seattle to Bruxelles-National. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bruxelles-National. Data last updated October 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/217:00 pm -
1 stop32h 55m
Mon 11/165:35 pm -
2 stops33h 58m
Deal found 10/12![Multiple Airlines logo]()
$760
This Gotogate deal was found by Cheapflights users on 10/13. 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 11/92:35 pm -
1 stop12h 20m
Tue 11/2412:50 pm -
1 stop13h 10m
Deal found 10/13![Icelandair logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/142:35 pm -
1 stop12h 20m
Thu 12/312:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$724
This FlightHub deal was found by Cheapflights users on 10/12. 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.
Mon 11/162:35 pm -
1 stop12h 20m
Thu 12/312:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$669
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/162:35 pm -
1 stop12h 20m
Tue 12/112:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$722
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
1 stop12h 20m
Tue 12/812:50 pm -
1 stop13h 10m
Deal found 10/12![Icelandair logo]()
$657
This lol.travel deal was found by Cheapflights users on 10/12. 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.
Mon 11/233:15 pm -
2 stops19h 55m
Tue 12/89:10 am -
2 stops18h 12m
Deal found 10/12![Multiple Airlines logo]()
$756
This lol.travel deal was found by Cheapflights users on 10/12. 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.
Mon 11/232:13 pm -
2 stops17h 27m
Tue 12/812:05 pm -
1 stop13h 45m
Deal found 10/12![British Airways logo]()
$767
One-way flights from Seattle to Bruxelles-NationalSearch for one-way flight options from Seattle to Bruxelles-National. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
Search for one-way flight options from Seattle to Bruxelles-National. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
This Booking.com deal was found by Cheapflights users on 10/13. 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.
Wed 12/22:35 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Icelandair logo]()
$305
This Booking.com deal was found by Cheapflights users on 10/13. 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.
Mon 12/72:35 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Icelandair logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Wed 2/102:35 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Icelandair logo]()
$316
This Booking.com deal was found by Cheapflights users on 10/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/108:40 am -
2 stops26h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Air Canada logo]()
$328
This British Airways deal was found by Cheapflights users on 10/14. 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 4/68:20 pm -
1 stop15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![British Airways logo]()
$329
This oojo deal was found by Cheapflights users on 10/15. 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.
Fri 10/233:40 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Icelandair logo]()
$356
This Mytrip deal was found by Cheapflights users on 10/13. 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 12/72:35 pm -
3 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$376
This Mytrip deal was found by Cheapflights users on 10/13. 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 12/22:35 pm -
2 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$386
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:34 pm -
2 stops25h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Aer Lingus logo]()
$429
Find flight deals from Seattle to Bruxelles-National
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bruxelles-National (BRU). 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 October 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $647 (Gotogate) |
One-way from | $305 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $675 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Bruxelles-National 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 October 15, 2026.
Use the filters below to find and compare flights from Seattle to Brussels Bruxelles-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Wed 12/2
2:35 pm-11:55 am
1 stop12h 20m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$305
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Tue 4/6
8:20 pm-8:25 pm
1 stop15h 05m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
Quickest round-trip
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Fri 10/23
3:40 pm-12:55 pm
1 stop12h 15m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$356
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Wed 12/2
2:35 pm-6:40 pm
2 stops19h 05m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$386
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Wed 2/10
2:35 pm-7:50 pm
3 stops20h 15m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$445
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Sat 11/7
2:35 pm-10:50 am
3 stops35h 15m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$531
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Fri 10/23
7:35 pm-10:40 am
2 stops54h 05m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$563
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Sat 11/7
11:17 pm-8:05 am
1 stop23h 48m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$583
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Tue 4/6
8:30 am-1:15 pm
3 stops19h 45m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$681
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Mon 11/23
9:05 am-1:15 pm
2 stops19h 10m
Brussels Bruxelles-National
Thu 12/10
7:00 am-12:00 pm
1 stop14h 00m
$792
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to Bruxelles-National
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 Seattle to Bruxelles-National in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Brussels Bruxelles-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Brussels Bruxelles-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Brussels Bruxelles-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Brussels Bruxelles-National Airport 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 Seattle-Brussels Bruxelles-National Airport 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 Seattle to Bruxelles-National
Have a flexible travel schedule? Discover the best time to fly to Bruxelles-National from Seattle with our price prediction graph.
SEA-BRU
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 Seattle to Brussels Bruxelles-National Airport
Prices
More
How far ahead should I book a flight from Seattle to Brussels Bruxelles-National Airport?
The best time to book flights from Seattle to Brussels Bruxelles-National Airport is 90 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 Seattle to Brussels Bruxelles-National Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Brussels Bruxelles-National Airport (average of $510). Flying from Seattle to Brussels Bruxelles-National Airport in June is currently the most expensive (average of $1,284). 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 Seattle to Brussels Bruxelles-National Airport?
Airfare is typical for this route at the moment.
Seattle to Brussels Bruxelles-National Airport flights typically cost between $556 and $789 in November.The cheapest round-trip price found within the last 5 days was $647 on Icelandair (Nov 9-Nov 24).
What’s the top layover airport for flights from Seattle to Brussels Bruxelles-National Airport?
Share of 1-stop round-trip flights from Seattle to Brussels Bruxelles-National Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 30% of 1-stop itineraries from Seattle to Brussels Bruxelles-National Airport on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Brussels Bruxelles-National Airport?
Average round-trip fare for 1-stop flights from Seattle to Brussels Bruxelles-National Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $569.
What’s the fastest layover option from Seattle to Brussels Bruxelles-National Airport?
Shortest average travel time for 1-stop one-way flights from Seattle to Brussels Bruxelles-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 12h 05m.
Which airport typically offers the quickest layover for flights from Seattle to Brussels Bruxelles-National Airport?
Average layover duration for 1-stop one-way flights from Seattle to Brussels Bruxelles-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 15m.
Reviews of airlines servicing Bruxelles-National
Get insights into the airlines that provide service to Bruxelles-National. 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 Bruxelles-National. Reviews last updated October 15, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andUnited Airlines from Seattle to Brussels Bruxelles-National Airport 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.
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bruxelles-National. 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 Brussels Bruxelles-National Airport?
Book flights to Brussels Bruxelles-National Airport if you plan to visit one of these locationsMons
Mechelen
Hasselt
Charleroi
Durbuy
Zaventem
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Top 6 airlines flying from Seattle to Bruxelles-National
Discover the top 6 airlines that operate flights from Seattle to Bruxelles-National. 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 October 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$384 | Average$559 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$421 | Average$686 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$481 | Average$680 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$496 | Average$782 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$509 | Average$759 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$522 | Average$847 | FlexibilityNo cancel fee | On-time69% |