$492+ Cheap flights from Belgium to Seattle (SEA)
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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
Nov 7 — Nov 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Belgium to Seattle 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 Belgium to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Belgium to SeattleExplore the most affordable flight options available from Belgium to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Belgium to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:35 pm -
2 stops39h 45m
Wed 12/92:35 pm -
1 stop12h 20m
Deal found 10/7![Multiple Airlines logo]()
$726
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:35 pm -
2 stops33h 58m
Mon 1/112:35 pm -
1 stop12h 20m
Deal found 10/7![Multiple Airlines logo]()
$736
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:50 pm -
1 stop13h 10m
Wed 12/92:35 pm -
1 stop12h 20m
Deal found 10/7![Icelandair logo]()
$779
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:50 pm -
1 stop13h 10m
Mon 12/72:35 pm -
1 stop12h 20m
Deal found 10/7![Icelandair logo]()
$780
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:40 pm -
3 stops30h 20m
Sat 11/282:35 pm -
3 stops34h 00m
Deal found 10/7![Multiple Airlines logo]()
$791
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:55 pm -
2 stops33h 05m
Thu 11/262:35 pm -
3 stops33h 05m
Deal found 10/5![Multiple Airlines logo]()
$792
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:30 pm -
3 stops29h 30m
Mon 2/110:10 am -
2 stops25h 00m
Deal found 10/6![Multiple Airlines logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:45 am -
1 stop16h 15m
Tue 12/16:45 pm -
1 stop16h 25m
Deal found 10/5![Multiple Airlines logo]()
$814
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:50 pm -
1 stop15h 50m
Wed 10/217:00 pm -
1 stop32h 55m
Deal found 10/7![Icelandair logo]()
$815
Best flights from Belgium to SeattleDiscover carefully curated flight deals from Belgium to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Belgium to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This Condor deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/19:30 am -
1 stop15h 25m
Thu 2/45:50 pm -
1 stop19h 40m
Deal found 10/7![Multiple Airlines logo]()
$675
This British Airways deal was found by Cheapflights users on 10/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:10 am -
1 stop15h 40m
Thu 11/2610:33 am -
2 stops21h 22m
Deal found 10/5![British Airways logo]()
$838
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Wed 11/187:00 am -
1 stop14h 00m
Wed 11/256:30 am -
1 stop16h 35m
Deal found 10/4![United Airlines logo]()
$859
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:15 am -
2 stops23h 45m
Sat 11/286:00 am -
1 stop20h 00m
Deal found 10/7![Delta logo]()
$890
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:20 am -
2 stops20h 44m
Sun 11/223:13 pm -
2 stops19h 37m
Deal found 10/8![Scandinavian Airlines logo]()
$900
This British Airways deal was found by Cheapflights users on 10/4. 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.
Sat 11/79:40 am -
2 stops20h 40m
Sat 11/211:40 pm -
1 stop15h 30m
Deal found 10/4![Multiple Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/911:55 am -
2 stops18h 24m
Sun 11/2212:45 pm -
2 stops15h 30m
Deal found 10/5![United Airlines logo]()
$869
This British Airways deal was found by Cheapflights users on 10/4. 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.
Fri 1/1511:35 am -
1 stop14h 15m
Sun 1/176:45 pm -
1 stop16h 40m
Deal found 10/4![British Airways logo]()
$871
This American Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:10 pm -
1 stop13h 40m
Sun 11/2210:33 am -
2 stops24h 52m
Deal found 10/7![Multiple Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/710:10 am -
2 stops20h 09m
Sat 11/2110:56 pm -
2 stops32h 19m
Deal found 10/4![United Airlines logo]()
$876
Last-minute flights from Belgium to SeattleDiscover last-minute flight deals from Belgium to Seattle. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Belgium to Seattle. Data last updated October 8, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:50 pm -
1 stop15h 50m
Wed 10/217:00 pm -
1 stop32h 55m
Deal found 10/7![Icelandair logo]()
$815
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:30 pm -
3 stops29h 30m
Mon 2/110:10 am -
2 stops25h 00m
Deal found 10/6![Multiple Airlines logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:35 pm -
2 stops33h 58m
Mon 1/112:35 pm -
1 stop12h 20m
Deal found 10/7![Multiple Airlines logo]()
$736
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:55 pm -
2 stops33h 05m
Thu 11/262:35 pm -
3 stops33h 05m
Deal found 10/5![Multiple Airlines logo]()
$792
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:40 pm -
3 stops30h 20m
Sat 11/282:35 pm -
3 stops34h 00m
Deal found 10/7![Multiple Airlines logo]()
$791
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:50 pm -
1 stop13h 10m
Mon 12/72:35 pm -
1 stop12h 20m
Deal found 10/7![Icelandair logo]()
$780
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:45 am -
1 stop16h 15m
Tue 12/16:45 pm -
1 stop16h 25m
Deal found 10/5![Multiple Airlines logo]()
$814
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:35 pm -
2 stops39h 45m
Wed 12/92:35 pm -
1 stop12h 20m
Deal found 10/7![Multiple Airlines logo]()
$726
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:50 pm -
1 stop13h 10m
Wed 12/92:35 pm -
1 stop12h 20m
Deal found 10/7![Icelandair logo]()
$779
One-way flights from Belgium to SeattleSearch for one-way flight options from Belgium to Seattle. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Belgium to Seattle. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/810:20 am -
2 stops33h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$492
This Expedia deal was found by Cheapflights users on 10/4. 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 4/46:55 pm -
1 stop32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/109:55 pm -
3 stops51h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$525
This Expedia deal was found by Cheapflights users on 10/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/319:15 pm -
1 stop23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![British Airways logo]()
$527
This Expedia deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1810:10 am -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![British Airways logo]()
$541
This FlightHub deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/105:35 pm -
1 stop32h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![British Airways logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/68:55 pm -
3 stops53h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$574
Find flight deals from Belgium to Seattle
Keep the following information in mind while searching for Belgium to Seattle flight deals. Data was last updated October 8, 2026.
Round-trip from | $675 (Condor) |
|---|---|
One-way from | $492 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,022 |
Cheapflights Fare Finder
Customize your flight search to find flights from Belgium to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Belgium to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Sun 1/10
5:35 pm-4:50 pm
1 stop32h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$545
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 3/18
9:15 pm-8:18 pm
2 stops31h 03m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$547
Quickest round-trip
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Wed 1/6
10:20 am-9:26 pm
2 stops20h 06m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$594
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Wed 3/31
9:50 pm-8:23 pm
3 stops31h 33m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$633
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 10/15
10:20 am-8:40 pm
3 stops43h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$636
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Mon 2/1
9:30 am-3:55 pm
1 stop15h 25m
Seattle/Tacoma Intl
Thu 2/4
5:50 pm-10:30 pm
1 stop19h 40m
$675
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Wed 10/14
6:05 am-7:00 pm
2 stops21h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$697
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Fri 10/23
7:40 am-10:15 am
2 stops35h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$721
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 12/31
7:35 am-9:55 am
3 stops59h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$727
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Fri 1/1
10:20 am-9:04 am
2 stops31h 44m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$782
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Belgium to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Belgium with our price prediction graph.
BRU-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Belgium to Seattle
BE0-SEA
BRU-SEA
What is the cheapest month to book a flight from Belgium to Seattle?
Currently, May is the cheapest month in which you can book a flight from Belgium to Seattle (average of $860). Flying from Belgium to Seattle in December is currently the most expensive (average of $2,499). 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 far ahead should I book a flight from Belgium to Seattle?
The price you pay for your flight from Belgium to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 8, 2026.
Peruse reviews from past customers who have flown with KLM,Scandinavian Airlines, andIcelandair from Belgium to Seattle 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
Crew
8.4
Boarding
7.8
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Belgium to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Marysville
Lakewood
Fife
Poulsbo
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes
Alternative routes for Belgium to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Belgium to Seattle by cabin class
Find flights from Belgium to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Belgium and Seattle flights
Browse other Belgium and Seattle flight options. Last updated on October 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 8, 2026.
Top 4 airlines flying from Belgium to Seattle
Discover the top 4 airlines that operate flights from Belgium to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$676 | Average$1,047 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$711 | Average$953 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$823 | Average$1,132 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$838 | Average$1,029 | FlexibilityNo cancel fee | On-time76% |