$294+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BRU
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bruxelles-National 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
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 25, 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 25, 2026.
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate 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 10/24![Icelandair logo]()
$629
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/237:45 am -
3 stops25h 55m
Tue 12/811:30 am -
3 stops33h 30m
Deal found 10/23![Multiple Airlines logo]()
$675
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 11/22:35 pm -
1 stop12h 20m
Thu 12/312:50 pm -
1 stop13h 10m
Deal found 10/21![Icelandair logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 11/22:35 pm -
1 stop12h 20m
Tue 12/112:50 pm -
1 stop13h 10m
Deal found 10/21![Icelandair logo]()
$765
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:05 pm -
2 stops27h 45m
Tue 12/810:00 am -
2 stops41h 22m
Deal found 10/24![Air Canada logo]()
$769
This Gotogate deal was found by Cheapflights users on 10/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:10 am -
2 stops36h 40m
Tue 12/810:00 am -
2 stops32h 32m
Deal found 10/23![Multiple Airlines logo]()
$770
This oojo deal was found by Cheapflights users on 10/24. 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.
Thu 12/37:05 pm -
1 stop30h 30m
Tue 12/86:15 pm -
1 stop31h 55m
Deal found 10/24![Turkish Airlines logo]()
$782
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:45 pm -
1 stop12h 55m
Tue 12/812:05 pm -
1 stop13h 45m
Deal found 10/22![British Airways logo]()
$789
This Air Canada deal was found by Cheapflights users on 10/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/83:15 pm -
2 stops19h 55m
Tue 12/1510:00 am -
2 stops32h 32m
Deal found 10/24![Air Canada logo]()
$790
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 25, 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 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 4/183:15 pm -
2 stops37h 00m
Thu 4/227:00 am -
1 stop14h 20m
Deal found 10/24![United Airlines logo]()
$738
This United deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:30 pm -
1 stop33h 25m
Tue 12/810:00 am -
2 stops37h 37m
Deal found 10/22![Multiple Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 10/22. 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.
Tue 1/52:25 pm -
1 stop14h 50m
Sat 1/236:15 am -
1 stop14h 34m
Deal found 10/22![Delta logo]()
$861
This Turkish Airlines deal was found by Cheapflights users on 10/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 pm -
1 stop17h 15m
Tue 12/16:15 pm -
1 stop31h 55m
Deal found 10/21![Turkish Airlines logo]()
$991
This Scandinavian Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 12/2112:15 pm -
2 stops41h 15m
Wed 1/63:10 pm -
2 stops41h 59m
Deal found 10/22![Scandinavian Airlines logo]()
$1,016
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/610:45 pm -
1 stop24h 00m
Wed 4/148:30 am -
1 stop12h 25m
Deal found 10/21![United Airlines logo]()
$749
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/95:07 am -
2 stops23h 08m
Wed 4/148:30 am -
1 stop12h 25m
Deal found 10/21![United Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:30 am -
2 stops19h 45m
Tue 11/2411:55 am -
1 stop18h 01m
Deal found 10/21![United Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:17 pm -
1 stop23h 48m
Sat 12/511:15 am -
1 stop20h 45m
Deal found 10/21![United Airlines logo]()
$910
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:00 am -
2 stops21h 15m
Wed 12/3011:55 am -
1 stop33h 02m
Deal found 10/20![United Airlines logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/217:00 am -
2 stops21h 15m
Sat 11/287:00 am -
1 stop14h 00m
Deal found 10/24![United Airlines logo]()
$1,101
Last-minute flights from Seattle to Bruxelles-NationalDiscover last-minute flight deals from Seattle to Bruxelles-National. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bruxelles-National. Data last updated October 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 11/22:35 pm -
1 stop12h 20m
Thu 12/312:50 pm -
1 stop13h 10m
Deal found 10/21![Icelandair logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 11/22:35 pm -
1 stop12h 20m
Tue 12/112:50 pm -
1 stop13h 10m
Deal found 10/21![Icelandair logo]()
$765
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:35 pm -
1 stop12h 20m
Thu 12/312:50 pm -
1 stop13h 10m
Deal found 10/21![Icelandair logo]()
$792
This Gotogate deal was found by Cheapflights users on 10/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:10 am -
2 stops36h 40m
Tue 12/810:00 am -
2 stops32h 32m
Deal found 10/23![Multiple Airlines logo]()
$770
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:56 pm -
2 stops29h 19m
Tue 12/811:15 am -
1 stop20h 12m
Deal found 10/23![United Airlines logo]()
$793
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate 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 10/24![Icelandair logo]()
$629
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/237:45 am -
3 stops25h 55m
Tue 12/811:30 am -
3 stops33h 30m
Deal found 10/23![Multiple Airlines logo]()
$675
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:05 pm -
2 stops27h 45m
Tue 12/810:00 am -
2 stops41h 22m
Deal found 10/24![Air Canada logo]()
$769
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:45 pm -
1 stop12h 55m
Tue 12/812:05 pm -
1 stop13h 45m
Deal found 10/22![British Airways logo]()
$789
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 25, 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 25, 2026.
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Icelandair logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Tue 12/82:35 pm -
2 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
2 stops35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$378
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:34 pm -
2 stops25h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Aer Lingus logo]()
$434
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/276:29 am -
2 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Aer Lingus logo]()
$448
This oojo deal was found by Cheapflights users on 10/24. 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.
Mon 11/92:35 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/97:48 pm -
3 stops52h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/279:59 pm -
3 stops35h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$531
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/276:45 pm -
1 stop16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![British Airways logo]()
$558
This FlightHub deal was found by Cheapflights users on 10/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:45 pm -
1 stop16h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![British Airways logo]()
$559
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $629 (Gotogate) |
One-way from | $294 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $677 |
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 25, 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
Mon 11/23
2:35 pm-10:50 am
2 stops35h 15m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$378
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Mon 11/9
11:34 pm-9:40 am
2 stops25h 06m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$434
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Sun 12/27
6:29 am-9:40 am
2 stops18h 11m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$448
Quickest round-trip
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Mon 11/9
2:35 pm-11:55 am
1 stop12h 20m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$468
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Mon 11/9
7:48 pm-9:15 am
3 stops52h 27m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$495
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Tue 12/8
6:45 pm-7:45 pm
1 stop16h 00m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$559
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Sun 12/6
7:00 am-1:15 pm
2 stops21h 15m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$579
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Sun 11/15
7:05 pm-10:20 pm
1 stop18h 15m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$612
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Sat 12/19
11:59 pm-6:25 pm
2 stops33h 26m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$677
SeattleBrussels
SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National
SEABRU
Seattle/Tacoma Intl
Sun 11/15
6:14 am-4:40 pm
2 stops25h 26m
Brussels Bruxelles-National
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$684
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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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 87 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, February 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 $587 and $804 in November.The cheapest round-trip price found within the last 5 days was $629 on Icelandair (Nov 23-Dec 8).
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 25, 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.
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.4
Crew
8.4
Reviews
1 / 20
2.0
MediocreArtem,Oct 2026
FCO - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.4
Crew
8.4
Reviews
1 / 20
2.0
MediocreArtem,Oct 2026
FCO - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.4
Crew
8.4
Reviews
1 / 20
2.0
MediocreArtem,Oct 2026
FCO - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.4
Crew
8.4
Reviews
1 / 20
2.0
MediocreArtem,Oct 2026
FCO - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.4
Crew
8.4
Reviews
1 / 20
2.0
MediocreArtem,Oct 2026
FCO - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.4
Crew
8.4
Reviews
1 / 20
2.0
MediocreArtem,Oct 2026
FCO - 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$393 | Average$562 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$421 | Average$689 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$481 | Average$680 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$496 | Average$779 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$509 | Average$759 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$522 | Average$847 | FlexibilityNo cancel fee | On-time69% |