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 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.

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 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 13h 55m. There are 4941 mi between Brussels Bruxelles-National Airport and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 United Airlines. 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 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.

$462+ 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 $591 and $791 in October. The cheapest round-trip price found within the last 3 days was $462 on Icelandair (Oct 2-Oct 15).

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Find cheap flights from Bruxelles-National 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

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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	$462 (AirNGo)
Popular in	October
Cheapest in	December
Average price	$691

From Brussels Bruxelles-National to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($54 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 17, 2025.

Thu 10/22:15 pmBRU - SEA

1 stop15h 25mIcelandair

Wed 10/157:00 pmSEA - BRU

1 stop32h 50mIcelandair

Deal found 9/15

$462

Thu 10/238:30 amBRU - SEA

1 stop12h 25mUnited Airlines

Mon 10/2710:53 amSEA - BRU

1 stop13h 02mUnited Airlines

Deal found 9/17

$538

Fri 10/1010:20 amBRU - SEA

1 stop12h 40mScandinavian Airlines

Fri 10/174:20 pmSEA - BRU

1 stop32h 20mScandinavian Airlines

Deal found 9/16

$561

Thu 10/309:00 amBRU - SEA

2 stops17h 10mUnited Airlines

Thu 11/65:05 amSEA - BRU

2 stops18h 50mUnited Airlines

Deal found 9/15

$563

Thu 10/238:30 amBRU - SEA

2 stops19h 06mAir Canada

Mon 10/278:00 pmSEA - BRU

2 stops27h 50mAir Canada

Deal found 9/17

$564

Thu 10/29:40 amBRU - SEA

1 stop34h 19mMultiple Airlines

Wed 10/153:28 pmSEA - BRU

2 stops21h 02mMultiple Airlines

Deal found 9/16

$566

Fri 10/108:30 amBRU - SEA

1 stop12h 25mUnited Airlines

Sun 10/267:00 amSEA - BRU

1 stop16h 55mUnited Airlines

Deal found 9/17

$568

Thu 10/238:30 amBRU - SEA

1 stop12h 25mMultiple Airlines

Mon 10/2710:53 amSEA - BRU

1 stop13h 02mMultiple Airlines

Deal found 9/17

$569

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 September 17, 2025.

Thu 10/22:15 pmBRU - SEA

1 stop15h 25mIcelandair

Wed 10/153:45 pmSEA - BRU

1 stop12h 05mIcelandair

Deal found 9/16

$481

Sat 11/227:00 amBRU - SEA

2 stops21h 16mAir Canada

Fri 12/55:50 amSEA - BRU

2 stops17h 00mAir Canada

Deal found 9/15

$563

Thu 10/27:00 amBRU - SEA

1 stop13h 55mUnited Airlines

Wed 10/155:00 amSEA - BRU

2 stops17h 45mUnited Airlines

Deal found 9/17

$564

Thu 10/238:30 amBRU - SEA

1 stop12h 25mMultiple Airlines

Mon 10/2710:53 amSEA - BRU

1 stop13h 02mMultiple Airlines

Deal found 9/17

$569

Tue 10/218:30 pmBRU - SEA

1 stop26h 30mScandinavian Airlines

Fri 10/244:20 pmSEA - BRU

1 stop33h 20mScandinavian Airlines

Deal found 9/16

$571

Fri 10/108:30 amBRU - SEA

1 stop12h 25mUnited Airlines

Sun 10/267:00 amSEA - BRU

1 stop16h 55mUnited Airlines

Deal found 9/17

$568

Sat 11/227:00 amBRU - SEA

2 stops21h 16mMultiple Airlines

Fri 12/53:10 pmSEA - BRU

1 stop13h 00mMultiple Airlines

Deal found 9/15

$576

Last-minute flights from Bruxelles-National to Seattle
Discover last-minute flight deals from Bruxelles-National to Seattle. Data last updated September 17, 2025 and is based on user searches.

Thu 10/22:15 pmBRU - SEA

1 stop15h 25mIcelandair

Wed 10/157:00 pmSEA - BRU

1 stop32h 50mIcelandair

Deal found 9/15

$462

Thu 10/29:40 amBRU - SEA

1 stop34h 19mMultiple Airlines

Wed 10/153:28 pmSEA - BRU

2 stops21h 02mMultiple Airlines

Deal found 9/16

$566

Fri 10/1010:20 amBRU - SEA

1 stop12h 40mScandinavian Airlines

Fri 10/174:20 pmSEA - BRU

1 stop32h 20mScandinavian Airlines

Deal found 9/16

$561

Fri 10/108:30 amBRU - SEA

1 stop12h 25mUnited Airlines

Sun 10/267:00 amSEA - BRU

1 stop16h 55mUnited Airlines

Deal found 9/17

$568

Thu 10/238:30 amBRU - SEA

1 stop12h 25mUnited Airlines

Mon 10/2710:53 amSEA - BRU

1 stop13h 02mUnited Airlines

Deal found 9/17

$538

Thu 10/238:30 amBRU - SEA

2 stops19h 06mAir Canada

Mon 10/278:00 pmSEA - BRU

2 stops27h 50mAir Canada

Deal found 9/17

$564

Thu 10/238:30 amBRU - SEA

1 stop12h 25mMultiple Airlines

Mon 10/2710:53 amSEA - BRU

1 stop13h 02mMultiple Airlines

Deal found 9/17

$569

Thu 10/309:00 amBRU - SEA

2 stops17h 10mUnited Airlines

Thu 11/65:05 amSEA - BRU

2 stops18h 50mUnited Airlines

Deal found 9/15

$563

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 September 17, 2025.

Sat 10/49:20 amBRU - SEA

3 stops22h 11mMultiple Airlines

Deal found 9/17

$463

Mon 10/208:50 pmBRU - SEA

3 stops34h 40mMultiple Airlines

Deal found 9/15

$468

Sat 11/11:40 pmBRU - SEA

3 stops52h 00mMultiple Airlines

Deal found 9/17

$484

Sat 11/87:25 pmBRU - SEA

2 stops35h 55mBritish Airways

Deal found 9/17

$486

Sat 11/88:50 pmBRU - SEA

3 stops46h 33mMultiple Airlines

Deal found 9/17

$505

Sun 10/265:55 pmBRU - SEA

2 stops48h 45mMultiple Airlines

Deal found 9/15

$536

Thu 10/910:20 amBRU - SEA

2 stops36h 40mMultiple Airlines

Deal found 9/17

$545

Thu 10/91:50 pmBRU - SEA

1 stop15h 50mIcelandair

Deal found 9/17

$556

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

2:15 pm-8:40 pm

1 stop15h 25m

Seattle/Tacoma Intl

Wed 10/15

3:45 pm-12:50 pm

1 stop12h 05m

$481

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 11/22

7:00 am-7:16 pm

2 stops21h 16m

Seattle/Tacoma Intl

Fri 12/5

5:50 am-7:50 am

2 stops17h 00m

$563

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 10/2

7:00 am-11:55 am

1 stop13h 55m

Seattle/Tacoma Intl

Wed 10/15

5:00 am-7:45 am

2 stops17h 45m

$564

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 10/10

8:30 am-11:55 am

1 stop12h 25m

Seattle/Tacoma Intl

Sun 10/26

7:00 am-7:55 am

1 stop16h 55m

$568

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 10/23

8:30 am-11:55 am

1 stop12h 25m

Seattle/Tacoma Intl

Mon 10/27

10:53 am-7:55 am

1 stop13h 02m

$569

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Tue 10/21

8:30 pm-2:00 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/24

4:20 pm-10:40 am

1 stop33h 20m

$571

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 11/22

7:00 am-7:16 pm

2 stops21h 16m

Seattle/Tacoma Intl

Fri 12/5

3:10 pm-1:10 pm

1 stop13h 00m

$576

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 10/4

9:20 am-10:31 pm

3 stops22h 11m

$463

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Mon 10/20

8:50 pm-10:30 pm

3 stops34h 40m

$468

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 11/1

1:40 pm-9:40 am

3 stops52h 00m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 14 results

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 $387). 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 United Airlines 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

7,961 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

7,961 reviews

Delta

8.0

Very good

7,961 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

1,386 reviews

Delta

8.0

Very good

7,961 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

United Airlines

7.4

Good

8,926 reviews

Delta

8.0

Very good

7,961 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

545 reviews

Delta

8.0

Very good

7,961 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

7,367 reviews

Delta

8.0

Very good

7,961 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 13h 55m. There are 4941 mi between Brussels Bruxelles-National Airport and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 United Airlines. 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 $387). 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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Kent

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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$790	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$584	Average$744	FlexibilityNo cancel fee	On-time69%
Icelandair	Cheapest$586	Average$619	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$592	Average$848	FlexibilityNo cancel fee	On-time70%
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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$462+ Cheap flights from Bruxelles-National (BRU) 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 10/2. 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

2. Select your favorite providers

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

Popular in

Cheapest in

Average price

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 September 17, 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 September 17, 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 United Airlines 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 September 17, 2025.