What’s the fastest layover option from Brussels Bruxelles-National Airport to Seattle?

Flights via Helsinki (HEL) have the shortest average one-way travel time for 1-stop routes: 13h 43m.

What’s the top layover airport for flights from Brussels Bruxelles-National Airport to Seattle?

Helsinki (HEL) – chosen by Cheapflights users on 75% of 1-stop itineraries from Brussels Bruxelles-National Airport to Seattle on Cheapflights.

Which airport typically offers the quickest layover for flights from Brussels Bruxelles-National Airport to Seattle?

Flights via Helsinki (HEL) offer the fastest connection on this route, with an average layover time of 2h 38m.

What’s the cheapest layover airport for flights from Brussels Bruxelles-National Airport to Seattle?

Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of $700.

How long is the flight from Brussels Bruxelles-National Airport to Seattle?

Departing from Brussels Bruxelles-National Airport to Seattle will take you 26h 30m. There are 4941 mi between Brussels Bruxelles-National Airport and Seattle.

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

Aer Lingus, at $524, was found to be the cheapest airline from Brussels Bruxelles-National Airport to Seattle.Alternate airlines to your destination round-trip include Lufthansa and British Airways. You may be able to fly from Brussels Bruxelles-National Airport to Seattle for 26% less than the average price by searching for these airlines.

What is the cheapest day to fly from Brussels Bruxelles-National Airport to Seattle?

Travelers seeking maximum savings on their Brussels Bruxelles-National Airport to Seattle flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Brussels Bruxelles-National Airport to Seattle?

When booking a flight from Brussels Bruxelles-National Airport to Seattle, you may want to consider flying on Finnair, British Airways or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Brussels Bruxelles-National Airport to Seattle?

It’s generally more expensive to depart on a Saturday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Brussels Bruxelles-National Airport to Seattle?

December is one of the best times of the year to fly to Seattle from Brussels Bruxelles-National Airport. Prices for December average $712 per person but you can even find prices for as low as $535. The most expensive prices can be found in the month of October. Opting for a December flight can save you 24% on your journey compared to booking in October

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 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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.

$411+ Flights from Brussels Bruxelles-National Airport to Seattle

Q: How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Seattle?

Airfare is below average for this route at the moment. Brussels Bruxelles-National Airport to Seattle flights typically cost between $634 and $831 in October. The cheapest round-trip price found within the last 3 days was $476 on Icelandair (Oct 2-Oct 15).

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Brussels Bruxelles-National to Seattle/Tacoma Intl are usually found in December or January, booked 36 days in advance, depart on a Sunday or Friday and return on a Tuesday

Cheap flight deals from Bruxelles-National to Seattle

Round-trip from	$476 (AirNGo)
One-way from	$411 (Kiwi.com)
Popular in	October
Cheapest in	December
Average price	$703

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. 6% potential increase in price ($51 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 August 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 August 20, 2025.

Thu 10/28:30 pmBRU - SEA

1 stop26h 30mScandinavian Airlines

Wed 10/154:20 pmSEA - BRU

1 stop14h 00mScandinavian Airlines

Deal found 8/19

$488

Fri 10/1010:20 amBRU - SEA

1 stop12h 40mScandinavian Airlines

Fri 10/174:20 pmSEA - BRU

2 stops33h 55mScandinavian Airlines

Deal found 8/18

$499

Thu 10/21:50 pmBRU - SEA

1 stop15h 50mIcelandair

Thu 10/93:45 pmSEA - BRU

1 stop12h 05mIcelandair

Deal found 8/18

$509

Fri 9/261:50 pmBRU - SEA

1 stop15h 50mIcelandair

Thu 10/303:35 pmSEA - BRU

1 stop12h 20mIcelandair

Deal found 8/20

$514

Fri 10/31:50 pmBRU - SEA

1 stop13h 00mIcelandair

Fri 10/107:00 pmSEA - BRU

1 stop32h 50mIcelandair

Deal found 8/19

$517

Best flights from Bruxelles-National to Seattle
Discover carefully curated flight deals from Bruxelles-National to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2025.

Thu 10/28:30 pmBRU - SEA

1 stop26h 30mScandinavian Airlines

Wed 10/154:20 pmSEA - BRU

1 stop14h 00mScandinavian Airlines

Deal found 8/19

$488

Thu 10/21:50 pmBRU - SEA

1 stop15h 50mIcelandair

Thu 10/93:45 pmSEA - BRU

1 stop12h 05mIcelandair

Deal found 8/18

$509

Fri 10/1010:20 amBRU - SEA

1 stop12h 40mScandinavian Airlines

Fri 10/174:20 pmSEA - BRU

1 stop32h 20mScandinavian Airlines

Deal found 8/18

$496

Fri 9/261:50 pmBRU - SEA

1 stop15h 50mIcelandair

Thu 10/303:35 pmSEA - BRU

1 stop12h 20mIcelandair

Deal found 8/20

$514

Last-minute flights from Bruxelles-National to Seattle
Discover last-minute flight deals from Bruxelles-National to Seattle. Data last updated August 20, 2025 and is based on user searches.

Wed 9/31:50 pmBRU - SEA

1 stop15h 50mIcelandair

Mon 9/83:45 pmSEA - BRU

1 stop12h 05mIcelandair

Deal found 8/19

$525

Wed 9/1010:55 amBRU - SEA

1 stop33h 40mAmerican Airlines

Wed 9/245:26 amSEA - BRU

2 stops23h 39mAmerican Airlines

Deal found 8/18

$541

Wed 9/101:50 pmBRU - SEA

1 stop15h 50mIcelandair

Wed 9/243:45 pmSEA - BRU

1 stop12h 05mIcelandair

Deal found 8/20

$557

Wed 9/179:10 pmBRU - SEA

2 stops28h 47mBritish Airways

Wed 9/2410:11 amSEA - BRU

2 stops18h 54mBritish Airways

Deal found 8/18

$548

Sat 9/2010:40 amBRU - SEA

2 stops20h 24mAmerican Airlines

Sat 9/271:35 pmSEA - BRU

1 stop21h 10mAmerican Airlines

Deal found 8/18

$551

Fri 9/261:50 pmBRU - SEA

1 stop15h 50mIcelandair

Thu 10/303:35 pmSEA - BRU

1 stop12h 20mIcelandair

Deal found 8/20

$514

Sun 9/287:05 pmBRU - SEA

2 stops33h 04mMultiple Airlines

Sat 11/17:50 pmSEA - BRU

1 stop17h 00mMultiple Airlines

Deal found 8/18

$545

One-way flights from Bruxelles-National to Seattle
Search for one-way flight options from Bruxelles-National to Seattle. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Wed 10/156:30 pmBRU - SEA

3 stops53h 46mMultiple Airlines

Deal found 8/18

$411

Tue 9/28:30 amBRU - SEA

1 stop12h 25mLufthansa

Deal found 8/18

$582

Sat 10/48:30 amBRU - SEA

1 stop12h 25mLufthansa

Deal found 8/19

$585

Tue 9/210:15 amBRU - SEA

1 stop17h 34mBrussels Airlines

Deal found 8/19

$624

Sat 10/48:45 pmBRU - SEA

2 stops24h 10mMultiple Airlines

Deal found 8/20

$644

Tue 9/29:50 amBRU - SEA

2 stops19h 52mMultiple Airlines

Deal found 8/19

$657

Thu 12/1810:30 amBRU - SEA

2 stops21h 17mLufthansa

Deal found 8/19

$671

Cheapflights Fare Finder

Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 10/2

8:30 pm-2:00 pm

1 stop26h 30m

Seattle/Tacoma Intl

Wed 10/15

4:20 pm-3:20 pm

1 stop14h 00m

$488

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 10/10

10:20 am-2:00 pm

1 stop12h 40m

Seattle/Tacoma Intl

Fri 10/17

4:20 pm-9:40 am

1 stop32h 20m

$496

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 10/2

1:50 pm-8:40 pm

1 stop15h 50m

Seattle/Tacoma Intl

Thu 10/9

3:45 pm-12:50 pm

1 stop12h 05m

$509

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 9/26

1:50 pm-8:40 pm

1 stop15h 50m

Seattle/Tacoma Intl

Thu 10/30

3:35 pm-11:55 am

1 stop12h 20m

$514

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Wed 10/15

6:30 pm-3:16 pm

3 stops53h 46m

$411

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Tue 9/2

8:30 am-11:55 am

1 stop12h 25m

$582

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 10/4

7:00 am-11:55 am

1 stop13h 55m

$585

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 10/25

7:00 am-11:55 am

1 stop13h 55m

$585

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Wed 10/15

8:30 am-11:55 am

1 stop12h 25m

$585

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Tue 9/2

10:15 am-6:49 pm

1 stop17h 34m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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.

Cheapflights Insights

Everything you need to know about your flight from Brussels Bruxelles-National Airport to Seattle

Prices

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

The best time to book flights from Brussels Bruxelles-National Airport to Seattle is 36 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 June is currently the most expensive (average of $388). 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?

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.

How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Seattle?

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Delta, KLM, and Finnair from Brussels Bruxelles-National Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

KLM

7.8

Good

1,388 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Finnair

7.6

Good

1,320 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Icelandair

7.0

Good

529 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

British Airways

6.7

Okay

7,289 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

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 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
How long is the flight from Brussels Bruxelles-National Airport to Seattle?
Departing from Brussels Bruxelles-National Airport to Seattle will take you 26h 30m. There are 4941 mi between Brussels Bruxelles-National Airport and Seattle.
What are the cheapest airlines flying from Brussels Bruxelles-National Airport to Seattle round-trip?
Aer Lingus, at $524, was found to be the cheapest airline from Brussels Bruxelles-National Airport to Seattle.Alternate airlines to your destination round-trip include Lufthansa and British Airways. You may be able to fly from Brussels Bruxelles-National Airport to Seattle for 26% less than the average price by searching for these airlines.
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 June is currently the most expensive (average of $388). 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

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Other flights to Seattle

Top 8 airlines flying from Bruxelles-National to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$524	Average$662	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$570	Average$761	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$592	Average$831	FlexibilityNo cancel fee	On-time70%
Icelandair	Cheapest$601	Average$626	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$604	Average$801	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$605	Average$684	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$616	Average$772	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$651	Average$723	FlexibilityNo cancel fee	On-time76%

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$411+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bruxelles-National to Seattle with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Seattle/Tacoma Intl are usually found in December or January, booked 36 days in advance, depart on a Sunday or Friday and return on a Tuesday

Cheap flight deals from Bruxelles-National to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

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Find flight deals from Bruxelles-National to Seattle

Cheapest flights from Bruxelles-National to SeattleExplore 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 August 20, 2025.

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 August 20, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Seattle that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Brussels Bruxelles-National Airport to Seattle

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

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Seattle?

What is the cheapest time of day to fly from BRU to SEA?

How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Seattle?

What’s the top layover airport for flights from Brussels Bruxelles-National Airport to Seattle?

What’s the fastest layover option from Brussels Bruxelles-National Airport to Seattle?

What’s the fastest layover option from Brussels Bruxelles-National Airport to Seattle?

Which airport typically offers the quickest layover for flights from Brussels Bruxelles-National Airport to Seattle?

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Delta, KLM, and Finnair from Brussels Bruxelles-National Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Brussels Bruxelles-National Airport to Seattle?

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

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

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

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

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Seattle?

Traveling to a place near Seattle?

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Alternative routes for Bruxelles-National to Seattle

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Top 8 airlines flying from Bruxelles-National to Seattle

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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 August 20, 2025.