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$377+ Cheap flights from Bruxelles-National (BRU) to Seattle (SEA)

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
mar. 8 — mar. 151
sáb. 3/8
sáb. 3/15
1 adult, Economy
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The best prices from Brussels Bruxelles-National to Seattle/Tacoma Intl are usually found in January or September, booked 81 days in advance, depart on a Sunday or Friday and return on a Tuesday

Cheap flight deals from Bruxelles-National to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) 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 marzo 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$609
(Booking.com)

One-way from

$377
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$716
Provider with most accurate pricing for Brussels Bruxelles-National-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Brussels Bruxelles-National-Seattle/Tacoma Intl flights.
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From Brussels Bruxelles-National to Seattle/Tacoma Intl
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One-way flight from Brussels Bruxelles-National to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 7% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Bruxelles-National to Seattle

Cheapest flights from Bruxelles-National to Seattle
Explore the most affordable flight options available from Bruxelles-National to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 3, 2025.

This Booking.com deal was found by Cheapflights users on 3/3. 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.
mié. 4/210:55 amBRU - SEA
1 stop16h 25mBritish Airways
mié. 4/91:35 pmSEA - BRU
2 stops16h 45mBritish Airways
Deal found 3/3$609
This Expedia deal was found by Cheapflights users on 3/3. 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.
mié. 4/3010:20 amBRU - SEA
1 stop15h 39mAer Lingus
dom. 5/116:45 pmSEA - BRU
1 stop16h 55mAer Lingus
Deal found 3/3$623
This Gotogate deal was found by Cheapflights users on 3/2. 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.
mar. 6/37:10 pmBRU - SEA
1 stop27h 40mScandinavian Airlines
dom. 6/154:00 pmSEA - BRU
1 stop14h 20mScandinavian Airlines
Deal found 3/2$625
This Iberia deal was found by Cheapflights users on 3/1. 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.
jue. 4/37:05 amBRU - SEA
2 stops25h 02mMultiple Airlines
mié. 4/161:30 pmSEA - BRU
1 stop16h 50mMultiple Airlines
Deal found 3/1$626
This Flysmarter deal was found by Cheapflights users on 3/2. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/310:00 amBRU - SEA
1 stop18h 37mAir Canada
dom. 6/155:40 amSEA - BRU
2 stops17h 25mAir Canada
Deal found 3/2$665
This United Airlines deal was found by Cheapflights users on 3/3. 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.
mié. 4/309:40 amBRU - SEA
1 stop21h 01mUnited Airlines
dom. 5/1111:59 pmSEA - BRU
2 stops22h 16mUnited Airlines
Deal found 3/3$689
This Delta deal was found by Cheapflights users on 3/3. 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.
mié. 4/308:00 amBRU - SEA
2 stops16h 02mDelta
dom. 5/117:10 amSEA - BRU
2 stops22h 25mDelta
Deal found 3/3$703
This Gotogate deal was found by Cheapflights users on 3/3. 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.
jue. 4/38:30 amBRU - SEA
1 stop12h 55mLufthansa
mié. 4/162:15 pmSEA - BRU
2 stops17h 00mLufthansa
Deal found 3/3$763
This Gotogate deal was found by Cheapflights users on 3/3. 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.
jue. 4/36:55 amBRU - SEA
2 stops21h 06mSWISS
mié. 4/1610:50 amSEA - BRU
2 stops18h 25mSWISS
Deal found 3/3$846
This Virgin Atlantic deal was found by Cheapflights users on 3/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1210:45 amBRU - SEA
1 stop20h 49mVirgin Atlantic
mié. 4/167:23 amSEA - BRU
1 stop16h 17mVirgin Atlantic
Deal found 3/2$875
This Ethiopian Air deal was found by Cheapflights users on 3/2. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/149:25 pmBRU - SEA
3 stops51h 13mEthiopian Air
lun. 7/2810:05 pmSEA - BRU
2 stops48h 25mEthiopian Air
Deal found 3/2$3,106
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/3. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/65:55 amBRU - SEA
2 stops25h 15mTAP AIR PORTUGAL
mié. 7/1611:30 amSEA - BRU
2 stops18h 35mTAP AIR PORTUGAL
Deal found 3/3$3,523

Find flights from Bruxelles-National to Seattle within your budget

Customize your flight search to find flights from Bruxelles-National 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 marzo 3, 2025.

Fly from

Bruxelles-National

Fly to

Seattle

Route

Depart

Return

Price

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

mié. 4/2

10:55 am-6:20 pm

1 stop16h 25m

Seattle/Tacoma Intl

mié. 4/9

1:35 pm-3:20 pm

2 stops16h 45m

$609

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

mié. 4/30

10:20 am-4:59 pm

1 stop15h 39m

Seattle/Tacoma Intl

dom. 5/11

6:45 pm-8:40 pm

1 stop16h 55m

$623

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

mar. 6/3

7:10 pm-1:50 pm

1 stop27h 40m

Seattle/Tacoma Intl

dom. 6/15

4:00 pm-3:20 pm

1 stop14h 20m

$625

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

jue. 4/3

7:05 am-11:07 pm

2 stops25h 02m

Seattle/Tacoma Intl

mié. 4/16

1:30 pm-3:20 pm

1 stop16h 50m

$626

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

mar. 6/3

10:00 am-7:37 pm

1 stop18h 37m

Seattle/Tacoma Intl

dom. 6/15

5:40 am-8:05 am

2 stops17h 25m

$665

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

mié. 4/30

9:40 am-9:41 pm

1 stop21h 01m

Seattle/Tacoma Intl

dom. 5/11

11:59 pm-7:15 am

2 stops22h 16m

$689

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

mié. 4/30

8:00 am-3:02 pm

2 stops16h 02m

Seattle/Tacoma Intl

dom. 5/11

7:10 am-2:35 pm

2 stops22h 25m

$703

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

jue. 4/3

8:30 am-12:25 pm

1 stop12h 55m

Seattle/Tacoma Intl

mié. 4/16

2:15 pm-4:15 pm

2 stops17h 00m

$763

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

jue. 4/3

6:55 am-7:01 pm

2 stops21h 06m

Seattle/Tacoma Intl

mié. 4/16

10:50 am-2:15 pm

2 stops18h 25m

$846

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

sáb. 4/12

10:45 am-10:34 pm

1 stop20h 49m

Seattle/Tacoma Intl

mié. 4/16

7:23 am-8:40 am

1 stop16h 17m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 19 results
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Compare providers for flights from Bruxelles-National to Seattle

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 Bruxelles-National to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Brussels Bruxelles-National Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brussels Bruxelles-National Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Brussels Bruxelles-National Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Brussels Bruxelles-National Airport-Seattle 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 Brussels Bruxelles-National Airport-Seattle 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 Bruxelles-National to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Bruxelles-National 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 Bruxelles-National to Seattle

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

How far ahead should I book a flight from Brussels Bruxelles-National Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Bruxelles-National to Seattle. Price data was last updated on February 28, 2025.

The best time to book flights from Brussels Bruxelles-National Airport to Seattle is 80 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 Brussels Bruxelles-National Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Seattle (average of $238). Flying from Brussels Bruxelles-National Airport 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 BRU to SEA?

Find hourly flight availability from Bruxelles-National 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 marzo 3, 2025.

It’s optimal to fly from Brussels Bruxelles-National Airport to Seattle in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

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 marzo 3, 2025.
Delta
8.0
Very good
8,068 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta
8.0
Very good
8,068 reviews
Delta
8.0
Very good
8,068 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

SWISS
7.5
Good
1,562 reviews
Delta
8.0
Very good
8,068 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

United Airlines
7.4
Good
8,679 reviews
Delta
8.0
Very good
8,068 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Virgin Atlantic
7.4
Good
644 reviews
Delta
8.0
Very good
8,068 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Scandinavian Airlines
7.3
Good
1,314 reviews
Delta
8.0
Very good
8,068 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Bruxelles-National 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 Brussels Bruxelles-National?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Brussels Bruxelles-National. On average, Seattle/Tacoma Intl has 0 inbound flights from Brussels Bruxelles-National per day from 7 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • What are the cheapest airlines flying from Brussels Bruxelles-National Airport to Seattle round-trip?

    British Airways, at $609, was found to be the cheapest airline from Brussels Bruxelles-National Airport to Seattle.Alternate airlines to your destination round-trip include Aer Lingus and Scandinavian Airlines. You may be able to fly from Brussels Bruxelles-National Airport to Seattle for 18% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Brussels Bruxelles-National Airport to Seattle one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $536. Users have also found prices from $658 and $684 on British Airways and Iberia, respectively.

  • Can I find deals for flights from Bruxelles-National to Seattle that include hotel bookings?

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

  • How can I find direct flights from Bruxelles-National to Seattle?

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

  • Can I find deals for business class flights from Bruxelles-National to Seattle?

    Yes. Cheapflights offers flight deals from Bruxelles-National 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 Brussels Bruxelles-National Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Seattle (average of $238). Flying from Brussels Bruxelles-National Airport 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 Brussels Bruxelles-National Airport?

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

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Alternative routes for Bruxelles-National to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Bruxelles-National to Portland flights

Top 7 airlines flying from Bruxelles-National to Seattle

Discover the top 7 airlines that operate flights from Bruxelles-National 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 marzo 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$524Average$695FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$601Average$778FlexibilityNo cancel feeOn-time76%
KLMCheapest$605Average$837FlexibilityNo cancel feeOn-time75%
DeltaCheapest$616Average$755FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$623Average$941FlexibilityNo cancel feeOn-time70%
FinnairCheapest$651Average$723FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$670Average$780FlexibilityNo cancel feeOn-time76%
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