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Cheap flights from Seattle (SEA) to Brussels from $289

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — BRU
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Brussels are usually found in January or December, booked 67 days in advance, depart on a Sunday or Tuesday and return on a Friday

Cheap flight deals from Seattle to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Brussels (BR1). 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 May 30, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$588

One-way from

$514
High demand for flights, 43% potential price rise
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Best time to find cheap flights, 26% potential price drop
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From Seattle/Tacoma Intl to Brussels
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One-way flight from Seattle/Tacoma Intl to Brussels
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What is the cheapest day to fly round-trip from Seattle to Brussels?

Flights from Seattle to Brussels are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Brussels.

How far in advance should I book a flight from Seattle to Brussels?

To save up to 17% on this flight, we recommend booking at least 48 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Brussels from $570 1-2 weeks out and tickets from $848 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Brussels?

January can be a great time to fly to Brussels from Seattle with a flight ticket averaging about $777. Cheapflights users have found deals in the month of January for as cheap as $419. The most expensive prices can be found in the month of June.

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

It’s optimal to fly from Seattle to Brussels in the evening. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the afternoon.

Cheap British Airways flights from Seattle to Brussels

Explore cheap flight options specifically provided by British Airways for the route between Seattle and Brussels. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the cheapest British Airways flights we've come across from Seattle to Brussels. It's recommended that users confirm their flight details before booking.
Wed 10/233:41 pmSEA - BRU
2 stops19h 44mBritish Airways
Mon 11/115:30 pmBRU - SEA
1 stop26h 55mBritish Airways
Deal found 5/30$450
Tue 11/51:35 pmSEA - BRU
1 stop21h 10mBritish Airways
Thu 11/1410:15 amBRU - SEA
2 stops21h 44mBritish Airways
Deal found 5/30$456
Wed 11/2010:30 amSEA - BRU
2 stops18h 30mBritish Airways
Mon 12/25:30 pmBRU - SEA
1 stop26h 55mBritish Airways
Deal found 5/30$478
Wed 11/206:45 pmSEA - BRU
1 stop15h 55mBritish Airways
Sun 12/12:50 pmBRU - SEA
1 stop34h 55mBritish Airways
Deal found 5/30$514
Thu 11/216:45 pmSEA - BRU
1 stop13h 00mBritish Airways
Mon 12/25:30 pmBRU - SEA
1 stop26h 55mBritish Airways
Deal found 5/30$565
Sat 10/121:50 pmSEA - BRU
1 stop20h 30mBritish Airways
Tue 10/227:45 pmBRU - SEA
1 stop24h 50mBritish Airways
Deal found 5/29$566
Sat 10/123:41 pmSEA - BRU
2 stops18h 39mBritish Airways
Tue 10/2211:05 amBRU - SEA
2 stops19h 06mBritish Airways
Deal found 5/29$580
Tue 10/11:30 pmSEA - BRU
1 stop15h 50mBritish Airways
Thu 10/1011:05 amBRU - SEA
1 stop15h 40mBritish Airways
Deal found 5/30$584
Tue 9/171:25 pmSEA - BRU
2 stops15h 55mBritish Airways
Tue 9/247:45 pmBRU - SEA
1 stop24h 50mBritish Airways
Deal found 5/30$589

Cheap American Airlines flights from Seattle to Brussels

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Brussels. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Seattle to Brussels. Deals are refreshing constantly so come back soon for more options.
Tue 11/51:35 pmSEA - BRU
1 stop12h 30mAmerican Airlines
Thu 11/1411:55 amBRU - SEA
1 stop13h 50mAmerican Airlines
Deal found 5/30$474
Tue 11/55:45 amSEA - BRU
2 stops20h 20mAmerican Airlines
Thu 11/147:05 amBRU - SEA
2 stops24h 54mAmerican Airlines
Deal found 5/30$487
Wed 11/2011:39 amSEA - BRU
2 stops20h 06mAmerican Airlines
Sun 12/15:30 pmBRU - SEA
1 stop32h 15mAmerican Airlines
Deal found 5/30$529
Wed 11/2011:39 amSEA - BRU
2 stops20h 06mAmerican Airlines
Mon 12/27:05 amBRU - SEA
2 stops18h 40mAmerican Airlines
Deal found 5/30$545
Tue 8/277:40 pmSEA - BRU
1 stop29h 15mAmerican Airlines
Tue 9/1710:20 amBRU - SEA
2 stops20h 33mAmerican Airlines
Deal found 5/29$588
Sun 9/86:00 amSEA - BRU
2 stops19h 00mAmerican Airlines
Fri 9/2010:20 amBRU - SEA
2 stops20h 33mAmerican Airlines
Deal found 5/30$592
Sun 9/81:40 pmSEA - BRU
1 stop20h 35mAmerican Airlines
Fri 9/2010:20 amBRU - SEA
2 stops20h 33mAmerican Airlines
Deal found 5/30$638
Sun 6/97:40 pmSEA - BRU
1 stop33h 35mAmerican Airlines
Wed 6/1210:20 amBRU - SEA
2 stops16h 25mAmerican Airlines
Deal found 5/29$2,907

Cheap Seattle to Brussels flights in May & June 2024

Find cheap flight options from Seattle to Brussels specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
The lowest fares we've come across on flights traveling from Seattle to Brussels in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 6/1711:00 pmSEA - BRU
1 stop28h 50mIcelandair
Fri 8/301:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 5/29$730
Wed 6/261:25 pmSEA - BRU
2 stops35h 40mBritish Airways
Wed 7/39:10 pmBRU - SEA
2 stops29h 55mBritish Airways
Deal found 5/30$860
Sat 6/82:04 pmSEA - BRU
2 stops23h 31mMultiple Airlines
Tue 6/118:35 amBRU - SEA
2 stops23h 15mMultiple Airlines
Deal found 5/28$880
Mon 6/1711:00 pmSEA - BRU
1 stop24h 45mDelta
Fri 8/3010:25 amBRU - SEA
2 stops18h 31mDelta
Deal found 5/30$887
Sun 6/2311:00 pmSEA - BRU
1 stop28h 50mIcelandair
Fri 6/281:50 pmBRU - SEA
1 stop12h 50mIcelandair
Deal found 5/29$909
Wed 6/263:47 pmSEA - BRU
2 stops33h 18mBritish Airways
Thu 7/119:10 pmBRU - SEA
2 stops33h 48mBritish Airways
Deal found 5/29$917
Mon 6/177:40 pmSEA - BRU
1 stop14h 20mBritish Airways
Fri 8/307:35 pmBRU - SEA
2 stops35h 39mBritish Airways
Deal found 5/29$923
Sat 6/82:04 pmSEA - BRU
2 stops18h 21mMultiple Airlines
Tue 6/118:35 amBRU - SEA
1 stop15h 20mMultiple Airlines
Deal found 5/28$930
Tue 6/1810:52 pmSEA - BRU
2 stops30h 13mBritish Airways
Mon 8/198:00 pmBRU - SEA
1 stop24h 35mBritish Airways
Deal found 5/29$933

Seattle to Brussels 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Brussels in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
The lowest fares we've come across on flights traveling from Seattle to Brussels in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 11/51:35 pmSEA - BRU
1 stop12h 30mMultiple Airlines
Thu 11/147:10 amBRU - SEA
2 stops20h 53mMultiple Airlines
Deal found 5/28$438
Tue 11/51:35 pmSEA - BRU
1 stop12h 30mMultiple Airlines
Thu 11/145:30 pmBRU - SEA
1 stop26h 55mMultiple Airlines
Deal found 5/30$445
Tue 11/511:39 amSEA - BRU
2 stops21h 46mFinnair
Thu 11/147:10 amBRU - SEA
2 stops20h 53mFinnair
Deal found 5/28$446
Wed 10/233:41 pmSEA - BRU
2 stops19h 44mBritish Airways
Mon 11/115:30 pmBRU - SEA
1 stop26h 55mBritish Airways
Deal found 5/30$450
Tue 11/51:35 pmSEA - BRU
1 stop21h 10mBritish Airways
Thu 11/1410:15 amBRU - SEA
2 stops21h 44mBritish Airways
Deal found 5/30$456
Tue 11/51:35 pmSEA - BRU
1 stop12h 30mAmerican Airlines
Thu 11/1411:55 amBRU - SEA
1 stop13h 50mAmerican Airlines
Deal found 5/30$474
Wed 11/2010:30 amSEA - BRU
2 stops18h 30mBritish Airways
Mon 12/25:30 pmBRU - SEA
1 stop26h 55mBritish Airways
Deal found 5/30$478
Tue 11/55:45 amSEA - BRU
2 stops20h 20mAmerican Airlines
Thu 11/147:05 amBRU - SEA
2 stops24h 54mAmerican Airlines
Deal found 5/30$487
Wed 11/206:45 pmSEA - BRU
1 stop15h 55mBritish Airways
Sun 12/12:50 pmBRU - SEA
1 stop34h 55mBritish Airways
Deal found 5/30$514

Seattle to Brussels flights leaving soon

Find last-minute flight options from Seattle to Brussels for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out these flights departing soon from Seattle to Brussels. It's wise to confirm all flight details are correct before booking.
Sat 6/82:04 pmSEA - BRU
2 stops23h 31mMultiple Airlines
Tue 6/118:35 amBRU - SEA
2 stops23h 15mMultiple Airlines
Deal found 5/28$880
Sat 6/82:04 pmSEA - BRU
2 stops18h 21mMultiple Airlines
Tue 6/118:35 amBRU - SEA
1 stop15h 20mMultiple Airlines
Deal found 5/28$930
Sat 6/85:15 pmSEA - BRU
1 stop15h 10mMultiple Airlines
Tue 6/112:40 pmBRU - SEA
1 stop31h 35mMultiple Airlines
Deal found 5/28$977
Sat 6/85:55 amSEA - BRU
3 stops30h 40mMultiple Airlines
Tue 6/116:20 pmBRU - SEA
3 stops32h 20mMultiple Airlines
Deal found 5/28$1,096
Sat 6/85:55 amSEA - BRU
3 stops30h 40mMultiple Airlines
Tue 6/1110:00 amBRU - SEA
2 stops19h 35mMultiple Airlines
Deal found 5/28$1,150
Sun 6/97:40 pmSEA - BRU
1 stop33h 35mAmerican Airlines
Wed 6/1210:20 amBRU - SEA
2 stops16h 25mAmerican Airlines
Deal found 5/29$2,907
Sun 6/97:40 amSEA - BRU
1 stop13h 40mUnited Airlines
Wed 6/122:15 pmBRU - SEA
1 stop16h 08mUnited Airlines
Deal found 5/29$3,205
Sun 6/91:10 pmSEA - BRU
2 stops16h 05mSWISS
Wed 6/129:45 amBRU - SEA
2 stops17h 42mSWISS
Deal found 5/29$3,230

One-way flights to Brussels from Seattle

Search for one-way flight options from Seattle to Brussels. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Some of the best available deals we've found on one-way flights from Seattle to Brussels. Users needing a return flight from Seattle to Brussels should utilize the search form above.
Wed 10/167:51 pmSEA - CRL
3 stops35h 19mMultiple Airlines
Deal found 5/28$289
Sun 8/411:00 pmSEA - BRU
1 stop28h 50mIcelandair
Deal found 5/29$291
Wed 10/163:50 pmSEA - BRU
2 stops19h 35mMultiple Airlines
Deal found 5/28$364
Wed 10/167:40 pmSEA - BRU
1 stop15h 45mMultiple Airlines
Deal found 5/28$395
Sun 8/411:00 pmSEA - CRL
2 stops32h 00mMultiple Airlines
Deal found 5/29$411
Sun 8/411:00 pmSEA - BRU
2 stops29h 05mMultiple Airlines
Deal found 5/29$426
Sun 8/411:00 pmSEA - CRL
3 stops33h 05mMultiple Airlines
Deal found 5/29$428
Wed 10/165:00 amSEA - BRU
3 stops20h 55mUnited Airlines
Deal found 5/28$475
Sun 8/49:21 pmSEA - BRU
3 stops29h 09mMultiple Airlines
Deal found 5/29$483

Find flights from Seattle to Brussels within your budget

Customize your flight search to find flights from Seattle to Brussels 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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$438 - $666

Route

Depart

Return

Price

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 11/5

1 stop12h 30m

Brussels Bruxelles-National

Thu 11/14

2 stops20h 53m

$438

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 11/5

2 stops21h 46m

Brussels Bruxelles-National

Thu 11/14

2 stops20h 53m

$446

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 10/23

2 stops19h 44m

Brussels Bruxelles-National

Mon 11/11

1 stop26h 55m

$450

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 11/5

1 stop12h 30m

Brussels Bruxelles-National

Thu 11/14

1 stop13h 50m

$474

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 10/23

2 stops19h 49m

Brussels Bruxelles-National

Mon 11/11

2 stops28h 55m

$526

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Sat 9/28

1 stop32h 55m

Brussels Bruxelles-National

Mon 10/7

1 stop13h 05m

$564

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Sat 9/28

1 stop24h 50m

Brussels Bruxelles-National

Tue 10/8

1 stop17h 38m

$621

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 8/7

1 stop13h 40m

Brussels Bruxelles-National

Wed 8/21

2 stops19h 14m

$647

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 11/20

2 stops17h 20m

Brussels Bruxelles-National

Sun 12/1

2 stops21h 00m

$666

Flights are sorted by cheapest first

Deals found on 5/28

How far ahead should I book a flight from Seattle to Brussels?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Brussels. Price data was last updated on May 24, 2024.
The price you pay for your flight from Seattle to Brussels may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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What is the cheapest day to fly from Seattle to Brussels?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Brussels. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Brussels flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Seattle to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Seattle 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.

Temperature and rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average temperature and rainfall totals by month.

BRU

Temperature

37.4 - 62.6 °F

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated May 30, 2024.
Read reviews from past customers who have flown British Airways, American Airlines and Icelandair from Seattle to Brussels. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,520 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Finnair
7.8
Good
1,372 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,954 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Brussels. 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 from for flights from Seattle to Brussels?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Brussels. On average, Seattle/Tacoma Intl has 0 outbound flights to Brussels per day from 12 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find flights from Seattle to Brussels for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Brussels for under $500. The cheapest flight booked recently is on Multiple Airlines for just $438, but on average you can expect to pay $517.

  • Are there last-minute flights available from Seattle to Brussels for under $900?

    There are currently 8+ open flights from Seattle to Brussels within the next 7 days for less than $900.

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

    Finnair, at $446, was found to be the cheapest airline from Seattle to Brussels.Alternate airlines to your destination round-trip include British Airways and American Airlines. Users have found that Finnair is 42% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $291. However, be on the lookout for offers from United Airlines and British Airways, as they are both options that can get you from Seattle to Brussels for a low price.

  • What does SEA to BRU mean?

    SEA stands for Seattle/Tacoma Intl Airport, while BRU stands for Brussels Bruxelles-National Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Charleroi Brussels Airport (CRL), Antwerp Deurne Airport (ANR), Ostende-Bruges Airport (OST), Liège Bierset Airport (LGG) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Seattle to Brussels that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Brussels flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Brussels with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Brussels flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Seattle to Brussels that allow pets onboard?

    Many airlines flying from Seattle to Brussels offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Brussels?

    Yes, you can often find last-minute deals on Seattle to Brussels flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Brussels flight deals updated?

    The Seattle to Brussels flight deals you see on this page were last updated on 5/30.

  • What are the most popular airlines that fly from Seattle to Brussels?

    Before booking your flight from Seattle to Brussels check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Brussels (average of $588). Flying from Seattle to Brussels in June is currently the most expensive (average of $1,217). 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

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 for Seattle to Brussels
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Bruxelles-National flights
Portland to Bruxelles-National flights
Seattle to Charleroi Brussels flights
Portland to Antwerp flights
Portland to Charleroi Brussels flights

Top 10 airlines flying from Seattle to Brussels

Discover the top 10 airlines that operate flights from Seattle to Brussels. 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$694FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest$423Average$830FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest$459Average$734FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$516Average$673FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest$521Average$750FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest$542Average$757FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$550Average$634FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$569Average$897FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest$572Average$857FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$586Average$757FlexibilityNo cancel feeOn-time75%
Search KLM flights
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Find flights from Seattle to Brussels, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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