$210+ Cheap flights from Seattle (SEA) to Bruxelles-National (BRU)
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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BRU
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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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 March 13, 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 March 13, 2026.
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/231:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$442
This Gotogate deal was found by Cheapflights users on 3/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/301:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$446
This Surpr!ce deal was found by Cheapflights users on 3/10. 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 Surpr!ce is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Fri 5/11:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 3/10![Icelandair logo]()
$472
This oojo deal was found by Cheapflights users on 3/9. 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.
Thu 4/167:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/231:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$476
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/91:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$497
This oojo deal was found by Cheapflights users on 3/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Mon 5/111:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/8![Icelandair logo]()
$507
This KAYAK deal was found by Cheapflights users on 3/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Mon 5/251:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 3/9![Icelandair logo]()
$510
This FlightHub deal was found by Cheapflights users on 3/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Mon 5/111:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 3/8![Icelandair logo]()
$511
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Tue 5/261:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 3/9![Icelandair logo]()
$518
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 March 13, 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 March 13, 2026.
This Finnair deal was found by Cheapflights users on 3/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:09 am
SEA
- BRU
2 stops26h 11m
Finnair
Fri 5/1511:20 am
BRU
- SEA
1 stop13h 40m
Finnair
Deal found 3/12![Finnair logo]()
$584
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:15 am
SEA
- BRU
2 stops22h 25m
Delta
Thu 4/238:05 am
BRU
- SEA
1 stop17h 25m
Delta
Deal found 3/8![Delta logo]()
$585
This KLM deal was found by Cheapflights users on 3/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:50 pm
SEA
- BRU
1 stop15h 50m
KLM
Tue 5/58:05 am
BRU
- SEA
1 stop12h 37m
KLM
Deal found 3/8![KLM logo]()
$586
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:55 am
SEA
- BRU
3 stops26h 05m
United Airlines
Mon 4/209:55 am
BRU
- SEA
2 stops42h 05m
United Airlines
Deal found 3/9![United Airlines logo]()
$610
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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.
Wed 4/228:00 am
SEA
- BRU
2 stops19h 45m
Lufthansa
Wed 4/298:30 am
BRU
- SEA
2 stops19h 30m
Lufthansa
Deal found 3/12![Lufthansa logo]()
$623
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Fri 4/1711:58 am
SEA
- BRU
3 stops34h 12m
United Airlines
Sat 4/258:30 am
BRU
- SEA
1 stop12h 50m
United Airlines
Deal found 3/11![United Airlines logo]()
$639
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:15 am
SEA
- BRU
2 stops15h 20m
Delta
Sun 5/1710:35 am
BRU
- SEA
2 stops18h 55m
Delta
Deal found 3/8![Delta logo]()
$686
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:10 pm
SEA
- BRU
1 stop13h 35m
United Airlines
Sat 4/258:30 am
BRU
- SEA
1 stop12h 50m
United Airlines
Deal found 3/9![United Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:15 am
SEA
- BRU
1 stop17h 45m
Delta
Fri 4/106:20 am
BRU
- SEA
2 stops18h 30m
Delta
Deal found 3/8![Delta logo]()
$716
This United Airlines deal was found by Cheapflights users on 3/12. 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 5/78:38 am
SEA
- BRU
2 stops19h 37m
United Airlines
Mon 5/182:25 pm
BRU
- SEA
1 stop30h 55m
United Airlines
Deal found 3/12![United Airlines logo]()
$678
Last-minute flights from Seattle to Bruxelles-NationalDiscover last-minute flight deals from Seattle to Bruxelles-National. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bruxelles-National. Data last updated March 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/91:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$497
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/231:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$442
This oojo deal was found by Cheapflights users on 3/9. 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.
Wed 4/83:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Thu 4/231:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$556
This oojo deal was found by Cheapflights users on 3/9. 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.
Tue 4/141:30 pm
SEA
- BRU
1 stop21h 55m
British Airways
Mon 4/208:50 pm
BRU
- SEA
1 stop23h 45m
British Airways
Deal found 3/9![British Airways logo]()
$575
This oojo deal was found by Cheapflights users on 3/9. 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.
Thu 4/167:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/231:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$476
This Gotogate deal was found by Cheapflights users on 3/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 4/301:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$446
This Surpr!ce deal was found by Cheapflights users on 3/10. 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 Surpr!ce is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Fri 5/11:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 3/10![Icelandair logo]()
$472
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 March 13, 2026.
Search for one-way flight options from Seattle to Bruxelles-National. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Mytrip deal was found by Cheapflights users on 3/8. 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.
Thu 4/237:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 3/8![Icelandair logo]()
$210
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:55 pm
SEA
- BRU
1 stop16h 50m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$239
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 3/11![Icelandair logo]()
$241
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 pm
SEA
- BRU
2 stops30h 15m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$242
This Booking.com deal was found by Cheapflights users on 3/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:10 pm
SEA
- BRU
1 stop16h 35m
Aer Lingus
Deal found 3/8![Aer Lingus logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Thu 4/231:30 pm
SEA
- BRU
3 stops46h 25m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 4/283:40 pm
SEA
- BRU
3 stops32h 55m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$279
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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $442 (FlightHub) |
One-way from | $210 (Mytrip) |
Popular in | December |
Cheapest in | October |
Average price | $601 |
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 2,558,603 searches. Data last updated March 13, 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 - BRU
SEABRU
Seattle/Tacoma Intl
Wed 5/6
7:09 am-6:20 pm
2 stops26h 11m
Brussels Bruxelles-National
Fri 5/15
11:20 am-4:00 pm
1 stop13h 40m
$584
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Wed 4/8
7:15 am-2:40 pm
2 stops22h 25m
Brussels Bruxelles-National
Thu 4/23
8:05 am-4:30 pm
1 stop17h 25m
$585
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Thu 4/30
1:50 pm-2:40 pm
1 stop15h 50m
Brussels Bruxelles-National
Tue 5/5
8:05 am-11:42 am
1 stop12h 37m
$586
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Tue 4/14
8:55 am-8:00 pm
3 stops26h 05m
Brussels Bruxelles-National
Mon 4/20
9:55 am-7:00 pm
2 stops42h 05m
$610
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Wed 4/22
8:00 am-12:45 pm
2 stops19h 45m
Brussels Bruxelles-National
Wed 4/29
8:30 am-7:00 pm
2 stops19h 30m
$623
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Fri 4/17
11:58 am-7:10 am
3 stops34h 12m
Brussels Bruxelles-National
Sat 4/25
8:30 am-12:20 pm
1 stop12h 50m
$639
Quickest round-trip
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Tue 4/7
2:10 pm-12:45 pm
1 stop13h 35m
Brussels Bruxelles-National
Sat 4/25
8:30 am-12:20 pm
1 stop12h 50m
$645
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Thu 5/7
8:38 am-1:15 pm
2 stops19h 37m
Brussels Bruxelles-National
Mon 5/18
2:25 pm-12:20 pm
1 stop30h 55m
$678
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Sat 5/9
7:15 am-7:35 am
2 stops15h 20m
Brussels Bruxelles-National
Sun 5/17
10:35 am-8:30 pm
2 stops18h 55m
$686
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Mon 3/23
6:15 am-8:00 am
1 stop17h 45m
Brussels Bruxelles-National
Fri 4/10
6:20 am-3:50 pm
2 stops18h 30m
$716
Showing 1-10 of 21 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Bruxelles-National. Price data was last updated on March 6, 2026.
The best time to book flights from Seattle to Brussels Bruxelles-National Airport is 38 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 $378). Flying from Seattle to Brussels Bruxelles-National Airport in July is currently the most expensive (average of $481). 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.
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 50% 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 $430.
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 Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 13h 30m.
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 Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 2h 08m.
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 March 13, 2026.
Peruse reviews from past customers who have flown with KLM,United Airlines, andIcelandair 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.
Food
7.3
Boarding
7.8
Crew
8.4
Overall
7.8
Comfort
7.6
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Boarding
7.8
Crew
8.4
Overall
7.8
Comfort
7.6
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Boarding
7.8
Crew
8.4
Overall
7.8
Comfort
7.6
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Boarding
7.8
Crew
8.4
Overall
7.8
Comfort
7.6
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Boarding
7.8
Crew
8.4
Overall
7.8
Comfort
7.6
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Boarding
7.8
Crew
8.4
Overall
7.8
Comfort
7.6
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
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
Hasselt
Charleroi
Mechelen
Zaventem
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Top 8 airlines flying from Seattle to Bruxelles-National
Discover the top 8 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 2,558,603 searches. Data last updated March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$383 | Average$476 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$421 | Average$727 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$481 | Average$685 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$482 | Average$632 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$723 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$488 | Average$491 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$494 | Average$640 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$518 | Average$724 | FlexibilityNo cancel fee | On-time67% |