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$457+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Belgium to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Belgium (BE0) to Seattle (SEA). 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 January 21, 2025.

Round-trip from

$457
(Mytrip)
From Belgium to Seattle/Tacoma Intl
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Find flight deals from Belgium to Seattle

Cheapest flights from Belgium to Seattle
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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/139:00 amBRU - SEA
2 stops17h 00mMultiple Airlines
Sun 3/163:35 pmSEA - BRU
2 stops17h 20mMultiple Airlines
Deal found 1/21$457
This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:50 pmBRU - SEA
1 stop13h 00mIcelandair
Fri 9/1211:30 pmSEA - BRU
1 stop28h 20mIcelandair
Deal found 1/21$558
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:05 pmBRU - SEA
1 stop22h 25mBritish Airways
Sat 9/279:57 amSEA - BRU
2 stops19h 23mBritish Airways
Deal found 1/20$583
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/175:35 pmBRU - SEA
1 stop26h 45mAmerican Airlines
Mon 2/246:50 pmSEA - BRU
1 stop17h 10mAmerican Airlines
Deal found 1/20$594
This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/162:45 pmBRU - SEA
1 stop30h 01mKLM
Tue 2/252:09 pmSEA - BRU
1 stop23h 06mKLM
Deal found 1/20$615
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/56:15 amBRU - SEA
2 stops23h 30mDelta
Sun 2/96:15 amSEA - BRU
2 stops16h 20mDelta
Deal found 1/20$616
This Iberia deal was found by Cheapflights users on 1/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/197:00 amBRU - SEA
2 stops24h 07mIberia
Sun 3/302:05 pmSEA - BRU
2 stops19h 50mIberia
Deal found 1/20$647
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/287:10 amBRU - SEA
2 stops22h 00mFinnair
Thu 4/101:30 pmSEA - BRU
2 stops19h 50mFinnair
Deal found 1/21$656
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:45 amBRU - SEA
2 stops16h 45mAir Canada
Fri 3/145:45 amSEA - BRU
2 stops18h 10mAir Canada
Deal found 1/20$671
This Flighttix deal was found by Cheapflights users on 1/21. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1611:55 amBRU - SEA
1 stop17h 24mLufthansa
Sun 3/27:05 amSEA - BRU
1 stop16h 50mLufthansa
Deal found 1/21$672
This United Airlines deal was found by Cheapflights users on 1/21. 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 9/17:00 amBRU - SEA
2 stops21h 41mUnited Airlines
Fri 9/1210:50 pmSEA - BRU
1 stop25h 10mUnited Airlines
Deal found 1/21$681
This SWISS deal was found by Cheapflights users on 1/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/188:10 pmBRU - SEA
2 stops35h 32mSWISS
Wed 2/2610:52 amSEA - BRU
2 stops21h 58mSWISS
Deal found 1/20$697

Find flights from Belgium to Seattle within your budget

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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 3/13

9:00 am-6:00 pm

2 stops17h 00m

Seattle/Tacoma Intl

Sun 3/16

3:35 pm-4:55 pm

2 stops17h 20m

$457

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 2/6

5:30 pm-11:20 am

1 stop26h 50m

Seattle/Tacoma Intl

Wed 2/19

10:24 am-1:50 pm

2 stops18h 26m

$591

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 2/14

12:50 pm-5:00 pm

1 stop13h 10m

Seattle/Tacoma Intl

Thu 2/27

2:35 pm-11:55 am

1 stop12h 20m

$592

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Mon 2/17

5:35 pm-11:20 am

1 stop26h 45m

Seattle/Tacoma Intl

Mon 2/24

6:50 pm-9:00 pm

1 stop17h 10m

$594

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sun 2/16

2:45 pm-11:46 am

1 stop30h 01m

Seattle/Tacoma Intl

Tue 2/25

2:09 pm-10:15 pm

1 stop23h 06m

$615

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 3/1

6:15 am-11:15 pm

2 stops26h 00m

Seattle/Tacoma Intl

Sat 3/22

10:56 pm-9:00 am

1 stop26h 04m

$620

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Wed 3/19

7:00 am-11:07 pm

2 stops24h 07m

Seattle/Tacoma Intl

Sun 3/30

2:05 pm-6:55 pm

2 stops19h 50m

$647

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 3/28

7:10 am-9:10 pm

2 stops22h 00m

Seattle/Tacoma Intl

Thu 4/10

1:30 pm-6:20 pm

2 stops19h 50m

$656

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 3/6

6:45 am-2:30 pm

2 stops16h 45m

Seattle/Tacoma Intl

Fri 3/14

5:45 am-7:55 am

2 stops18h 10m

$671

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sun 2/16

11:55 am-8:19 pm

1 stop17h 24m

Seattle/Tacoma Intl

Sun 3/2

7:05 am-8:55 am

1 stop16h 50m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 19 results
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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.
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.

Travel insights for flights from Belgium to Seattle

Get recent, data-driven insights about flights from Belgium to Seattle including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Belgium to Seattle?

Currently, January is the cheapest month in which you can book a flight from Belgium to Seattle (average of $238). Flying from Belgium to Seattle in July is currently the most expensive (average of $411). 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 is the cheapest time of day to fly from BE to SEA?

Find hourly flight availability from Belgium to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belgium to Seattle as you normally would.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What airport do you fly into for flights to Seattle from Belgium?

    If you book a flight to Seattle from Belgium, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • What are the cheapest airlines to fly from Belgium to Seattle one-way?

    $472 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and Lufthansa, with prices starting from $731 and $749, respectively.

  • Can I find deals for flights from Belgium to Seattle that include hotel bookings?

    Yes. In addition to deals on Belgium to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Belgium to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belgium to Seattle.

  • Can I find deals for business class flights from Belgium to Seattle?

    Yes. Cheapflights offers flight deals from Belgium to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belgium to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Belgium to Seattle (average of $238). Flying from Belgium to Seattle in July is currently the most expensive (average of $411). 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.

See more FAQs

Traveling to a place near Belgium?

Book flights to Belgium if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Federal Way
Ocean Shores
Leavenworth
Olympia
Marysville
Centralia
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belgium to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Belgium to Seattle

Discover the top 7 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$582Average$642FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$631Average$780FlexibilityNo cancel feeOn-time76%
FinnairCheapest$651Average$723FlexibilityNo cancel feeOn-time76%
DeltaCheapest$651Average$700FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$656Average$984FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$662Average$953FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$715Average$941FlexibilityNo cancel feeOn-time70%
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