$215+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BRU
Jul 10 — Jul 171
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
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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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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 June 10, 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 June 10, 2026.
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.
Sun 10/183:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Thu 10/2912:50 pm
BRU
- SEA
1 stop13h 10m
Icelandair
Deal found 6/9![Icelandair logo]()
$513
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.
Mon 10/57:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Thu 10/151:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 6/9![Icelandair logo]()
$514
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.
Sat 10/33:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Thu 10/151:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 6/9![Icelandair logo]()
$519
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Mon 10/191:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 6/8![Icelandair logo]()
$521
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.
Tue 9/17:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Wed 9/91:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 6/9![Icelandair logo]()
$526
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.
Sun 8/27:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Sat 8/221:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 6/9![Icelandair logo]()
$546
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Sat 8/221:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 6/9![Icelandair logo]()
$552
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 June 10, 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 June 10, 2026.
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.
Mon 10/197:00 am
SEA
- BRU
1 stop15h 45m
United Airlines
Fri 10/236:20 am
BRU
- SEA
1 stop15h 00m
United Airlines
Deal found 6/8![United Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 6/5. 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 8/86:00 am
SEA
- BRU
1 stop16h 40m
Delta
Thu 9/248:05 am
BRU
- SEA
2 stops17h 45m
Delta
Deal found 6/5![Delta logo]()
$856
This United deal was found by Cheapflights users on 6/5. 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.
Thu 7/307:00 am
SEA
- BRU
1 stop17h 00m
Multiple Airlines
Wed 8/129:30 am
BRU
- SEA
2 stops22h 12m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$859
This Scandinavian Airlines deal was found by Cheapflights users on 6/6. 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 10/197:20 am
SEA
- BRU
2 stops22h 15m
Scandinavian Airlines
Fri 10/235:45 am
BRU
- SEA
2 stops24h 03m
Scandinavian Airlines
Deal found 6/6![Scandinavian Airlines logo]()
$873
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:26 am
SEA
- BRU
2 stops21h 59m
British Airways
Tue 8/1810:55 am
BRU
- SEA
2 stops20h 31m
British Airways
Deal found 6/9![British Airways logo]()
$978
This Icelandair deal was found by Cheapflights users on 6/5. 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.
Thu 6/253:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Sun 7/121:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$1,036
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/2012:50 pm
SEA
- BRU
2 stops15h 25m
United Airlines
Tue 8/189:55 am
BRU
- SEA
1 stop20h 12m
United Airlines
Deal found 6/5![United Airlines logo]()
$887
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:15 am
SEA
- BRU
1 stop14h 00m
United Airlines
Mon 7/1310:15 am
BRU
- SEA
1 stop21h 41m
United Airlines
Deal found 6/9![United Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/910:52 am
SEA
- BRU
1 stop13h 08m
United Airlines
Mon 7/279:55 am
BRU
- SEA
1 stop20h 12m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,021
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.
Fri 7/1010:52 am
SEA
- BRU
1 stop13h 08m
United Airlines
Sat 7/1810:15 am
BRU
- SEA
1 stop17h 51m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,090
Last-minute flights from Seattle to Bruxelles-NationalDiscover last-minute flight deals from Seattle to Bruxelles-National. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bruxelles-National. Data last updated June 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Sat 6/271:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/6![Icelandair logo]()
$775
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/203:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Sat 8/221:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 6/5![Icelandair logo]()
$696
This Icelandair deal was found by Cheapflights users on 6/5. 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.
Mon 7/203:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Tue 8/181:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$721
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/203:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Mon 8/171:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$801
This oojo deal was found by Cheapflights users on 6/5. 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 7/217:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Sun 8/231:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$691
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/2111:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Mon 8/241:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Deal found 6/5![Icelandair logo]()
$698
This Icelandair deal was found by Cheapflights users on 6/5. 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.
Tue 7/2111:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Tue 8/181:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$722
This oojo deal was found by Cheapflights users on 6/5. 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 7/2111:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Mon 8/171:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$792
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/2211:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Sun 8/231:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$700
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/227:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Mon 8/171:50 pm
BRU
- SEA
1 stop30h 55m
Icelandair
Deal found 6/5![Icelandair logo]()
$803
This Gotogate deal was found by Cheapflights users on 6/5. 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 7/303:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Wed 8/121:50 pm
BRU
- SEA
1 stop13h 05m
Icelandair
Deal found 6/5![Icelandair logo]()
$627
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 June 10, 2026.
Search for one-way flight options from Seattle to Bruxelles-National. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
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.
Fri 7/33:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 6/8![Icelandair logo]()
$215
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.
Sat 7/411:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Deal found 6/8![Icelandair logo]()
$217
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Deal found 6/9![Icelandair logo]()
$220
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.
Wed 7/811:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Deal found 6/8![Icelandair logo]()
$231
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.
Sat 8/296:35 pm
SEA
- BRU
3 stops30h 40m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$234
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.
Thu 9/33:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 6/9![Icelandair logo]()
$236
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:25 pm
SEA
- BRU
1 stop28h 30m
Icelandair
Deal found 6/8![Icelandair logo]()
$237
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:40 pm
SEA
- BRU
1 stop12h 15m
Icelandair
Deal found 6/9![Icelandair logo]()
$243
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $513 (oojo) |
One-way from | $215 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $1,138 |
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 June 10, 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
Quickest round-trip
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Mon 10/19
7:00 am-7:45 am
1 stop15h 45m
Brussels Bruxelles-National
Fri 10/23
6:20 am-12:20 pm
1 stop15h 00m
$804
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Sat 8/8
6:00 am-7:40 am
1 stop16h 40m
Brussels Bruxelles-National
Thu 9/24
8:05 am-4:50 pm
2 stops17h 45m
$856
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Thu 7/30
7:00 am-9:00 am
1 stop17h 00m
Brussels Bruxelles-National
Wed 8/12
9:30 am-10:42 pm
2 stops22h 12m
$859
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Mon 10/19
7:20 am-2:35 pm
2 stops22h 15m
Brussels Bruxelles-National
Fri 10/23
5:45 am-8:48 pm
2 stops24h 03m
$873
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Mon 7/20
12:50 pm-1:15 pm
2 stops15h 25m
Brussels Bruxelles-National
Tue 8/18
9:55 am-9:07 pm
1 stop20h 12m
$887
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Tue 7/7
8:15 am-7:15 am
1 stop14h 00m
Brussels Bruxelles-National
Mon 7/13
10:15 am-10:56 pm
1 stop21h 41m
$962
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Mon 8/3
7:26 am-2:25 pm
2 stops21h 59m
Brussels Bruxelles-National
Tue 8/18
10:55 am-10:26 pm
2 stops20h 31m
$978
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Thu 7/9
10:52 am-9:00 am
1 stop13h 08m
Brussels Bruxelles-National
Mon 7/27
9:55 am-9:07 pm
1 stop20h 12m
$1,021
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Thu 6/25
3:40 pm-12:55 pm
1 stop12h 15m
Brussels Bruxelles-National
Sun 7/12
1:50 pm-11:45 am
1 stop30h 55m
$1,036
SeattleBrussels
SEA - BRU
SEABRU
Seattle/Tacoma Intl
Fri 7/10
10:52 am-9:00 am
1 stop13h 08m
Brussels Bruxelles-National
Sat 7/18
10:15 am-7:06 pm
1 stop17h 51m
$1,090
Showing 1-10 of 19 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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?
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 $1,138). 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?
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 40% 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.
Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of $441.
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 Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 12h 15m.
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 June 10, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, 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
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$383 | Average$494 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$421 | Average$621 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$470 | Average$741 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$481 | Average$725 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$482 | Average$642 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$494 | Average$663 | FlexibilityNo cancel fee | On-time76% |