Cheap flights from Seattle (SEA) to Brussels from $257

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 7/30. 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. 12 — jun. 191

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 junio 7, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$587

One-way from

$257
High demand for flights, 43% potential price rise
Best time to find cheap flights, 26% potential price drop
From Seattle/Tacoma Intl to Brussels
One-way flight from Seattle/Tacoma Intl to Brussels

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 $776. 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 13% on the cost of your flight, compared to a flight in the afternoon.

Cheap Seattle to Brussels flights in June & July 2024

Find cheap flight options from Seattle to Brussels specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on junio 7, 2024.
The lowest fares we've come across on flights traveling from Seattle to Brussels in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
vie. 7/51:30 pmSEA - BRU
1 stop20h 35mBritish Airways
jue. 7/119:10 pmBRU - SEA
1 stop23h 25mBritish Airways
Deal found 6/5$751
lun. 6/1711:10 pmSEA - BRU
1 stop23h 35mBrussels Airlines
vie. 8/309:30 amBRU - SEA
1 stop21h 28mBrussels Airlines
Deal found 6/6$753
lun. 6/171:10 pmSEA - BRU
2 stops17h 40mAir Canada
vie. 8/3010:00 amBRU - SEA
1 stop20h 25mAir Canada
Deal found 6/6$761
lun. 6/173:10 pmSEA - BRU
2 stops15h 40mAir Canada
vie. 8/309:30 amBRU - SEA
2 stops20h 55mAir Canada
Deal found 6/6$767
jue. 7/46:45 amSEA - BRU
2 stops17h 55mAmerican Airlines
jue. 7/117:05 amBRU - SEA
2 stops21h 43mAmerican Airlines
Deal found 6/5$770
vie. 7/51:26 pmSEA - BRU
2 stops15h 34mBritish Airways
jue. 7/112:50 pmBRU - SEA
1 stop29h 45mBritish Airways
Deal found 6/5$783
jue. 7/41:30 pmSEA - BRU
1 stop15h 35mBritish Airways
jue. 7/119:10 pmBRU - SEA
1 stop23h 25mBritish Airways
Deal found 6/6$813
jue. 7/41:30 pmSEA - BRU
1 stop15h 35mBritish Airways
jue. 7/1111:05 amBRU - SEA
2 stops19h 53mBritish Airways
Deal found 6/6$823
jue. 7/181:30 pmSEA - BRU
1 stop20h 20mBritish Airways
lun. 7/223:05 pmBRU - SEA
2 stops39h 53mBritish Airways
Deal found 6/6$851

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 3,048,502 searches. Data last updated junio 7, 2024.
The lowest fares we've come across on flights traveling from Seattle to Brussels in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
lun. 11/49:55 amSEA - BRU
2 stops37h 00mAir Canada
lun. 11/1110:00 amBRU - SEA
1 stop20h 14mAir Canada
Deal found 6/6$418
mar. 11/55:50 amSEA - BRU
2 stops17h 05mMultiple Airlines
mié. 11/1310:00 amBRU - SEA
2 stops19h 10mMultiple Airlines
Deal found 6/7$428
lun. 11/46:45 pmSEA - BRU
1 stop17h 15mMultiple Airlines
lun. 11/115:30 pmBRU - SEA
1 stop26h 55mMultiple Airlines
Deal found 6/7$446
mar. 11/58:00 amSEA - BRU
1 stop14h 15mMultiple Airlines
mié. 11/1310:00 amBRU - SEA
1 stop20h 14mMultiple Airlines
Deal found 6/7$462
lun. 11/46:45 pmSEA - BRU
1 stop17h 15mAmerican Airlines
lun. 11/1111:55 amBRU - SEA
1 stop32h 30mAmerican Airlines
Deal found 6/6$475
mar. 11/58:38 amSEA - BRU
3 stops39h 17mMultiple Airlines
mié. 11/132:40 pmBRU - SEA
2 stops29h 43mMultiple Airlines
Deal found 6/7$489
mar. 10/13:50 pmSEA - BRU
1 stop12h 00mIcelandair
jue. 10/101:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 6/6$522
mié. 8/73:50 pmSEA - BRU
1 stop12h 00mIcelandair
mié. 8/211:50 pmBRU - SEA
1 stop30h 30mIcelandair
Deal found 6/7$536
vie. 8/911:00 pmSEA - BRU
1 stop28h 50mIcelandair
lun. 8/191:50 pmBRU - SEA
1 stop30h 30mIcelandair
Deal found 6/6$537

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 3,048,502 searches. Data last updated junio 7, 2024.
Check out these flights departing soon from Seattle to Brussels. It's wise to confirm all flight details are correct before booking.
lun. 6/1711:10 pmSEA - BRU
1 stop23h 35mBrussels Airlines
vie. 8/309:30 amBRU - SEA
1 stop21h 28mBrussels Airlines
Deal found 6/6$753
lun. 6/171:10 pmSEA - BRU
2 stops17h 40mAir Canada
vie. 8/3010:00 amBRU - SEA
1 stop20h 25mAir Canada
Deal found 6/6$761
lun. 6/173:10 pmSEA - BRU
2 stops15h 40mAir Canada
vie. 8/309:30 amBRU - SEA
2 stops20h 55mAir Canada
Deal found 6/6$767
mar. 6/1810:52 pmSEA - BRU
2 stops26h 03mBritish Airways
lun. 8/198:00 pmBRU - SEA
2 stops35h 01mBritish Airways
Deal found 6/6$856
mar. 6/1811:59 pmSEA - BRU
2 stops25h 41mUnited Airlines
lun. 8/1910:15 amBRU - SEA
1 stop21h 07mUnited Airlines
Deal found 6/6$875
mar. 6/1811:00 pmSEA - BRU
1 stop24h 45mDelta
lun. 8/196:10 amBRU - SEA
1 stop19h 25mDelta
Deal found 6/6$885
mar. 6/1811:59 pmSEA - BRU
2 stops25h 41mUnited Airlines
lun. 8/1911:15 amBRU - SEA
3 stops21h 44mUnited Airlines
Deal found 6/6$925
dom. 6/161:14 amSEA - BRU
2 stops32h 46mAmerican Airlines
vie. 8/307:05 amBRU - SEA
2 stops23h 56mAmerican Airlines
Deal found 6/6$991
lun. 6/105:05 pmSEA - BRU
1 stop11h 55mMultiple Airlines
vie. 6/146:05 pmBRU - SEA
1 stop29h 05mMultiple Airlines
Deal found 6/6$1,050

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 3,048,502 searches. Data last updated junio 7, 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.
mar. 7/3011:00 pmSEA - BRU
1 stop28h 50mIcelandair
Deal found 6/6$257
jue. 7/183:50 pmSEA - BRU
1 stop12h 00mIcelandair
Deal found 6/6$262
lun. 7/1511:00 pmSEA - BRU
1 stop28h 50mIcelandair
Deal found 6/6$263
mié. 7/176:55 pmSEA - BRU
1 stop32h 55mIcelandair
Deal found 6/6$265
mar. 7/166:55 pmSEA - BRU
1 stop32h 55mIcelandair
Deal found 6/6$266
mié. 7/176:55 pmSEA - BRU
2 stops29h 00mMultiple Airlines
Deal found 6/6$320
mar. 7/166:55 pmSEA - CRL
2 stops35h 50mMultiple Airlines
Deal found 6/6$328
mié. 7/176:55 pmSEA - CRL
2 stops36h 15mMultiple Airlines
Deal found 6/6$329
mar. 7/166:55 pmSEA - BRU
2 stops29h 15mMultiple Airlines
Deal found 6/6$340

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 3,048,502 searches. Data last updated junio 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$418 - $681

Route

Depart

Return

Price

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

lun. 11/4

2 stops37h 00m

Brussels Bruxelles-National

lun. 11/11

1 stop20h 14m

$418

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

lun. 11/4

1 stop17h 15m

Brussels Bruxelles-National

lun. 11/11

1 stop26h 55m

$446

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

lun. 11/4

1 stop17h 15m

Brussels Bruxelles-National

lun. 11/11

1 stop32h 30m

$475

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

mar. 10/1

1 stop12h 00m

Brussels Bruxelles-National

jue. 10/10

1 stop13h 05m

$522

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

sáb. 10/12

1 stop24h 50m

Brussels Bruxelles-National

mar. 10/22

1 stop28h 30m

$546

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

sáb. 10/19

1 stop24h 01m

Brussels Bruxelles-National

sáb. 10/26

1 stop26h 35m

$587

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

mié. 9/18

1 stop16h 35m

Brussels Bruxelles-National

vie. 10/11

1 stop13h 25m

$601

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

mié. 9/18

2 stops15h 00m

Brussels Bruxelles-National

vie. 10/11

1 stop13h 04m

$642

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

jue. 8/15

1 stop23h 30m

Brussels Bruxelles-National

vie. 8/23

1 stop20h 25m

$681

Flights are sorted by cheapest first

Deals found on 6/6

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 31, 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.
Search Deals

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 June 2, 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.
Search Deals

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

If weather is an important factor for your trip to Brussels, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 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 junio 7, 2024.
Read reviews from past customers who have flown British Airways, Air Canada and United Airlines 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.
8.0
Very good
10,363 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

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.

8.0
Very good
10,363 reviews
8.0
Very good
10,363 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

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.

7.9
Good
1,489 reviews
8.0
Very good
10,363 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

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.

7.8
Good
1,929 reviews
8.0
Very good
10,363 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

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.

7.4
Good
10,696 reviews
8.0
Very good
10,363 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

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.

7.3
Good
14,226 reviews
8.0
Very good
10,363 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

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 Air Canada for just $418, but on average you can expect to pay $564.

  • Are there last-minute flights available from Seattle to Brussels for under $800?

    There are currently 15+ open flights from Seattle to Brussels within the next 7 days for less than $800.

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

    Air Canada, at $418, 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 Air Canada is 46% cheaper than the other options available to this destination.

  • 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 6/7.

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

  • 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 $587). Flying from Seattle to Brussels in June is currently the most expensive (average of $1,209). 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

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

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 3,048,502 searches. Data last updated junio 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$684FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$423Average$830FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$459Average$705FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$516Average$673FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$523Average$749FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$541Average$730FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$550Average$634FlexibilityNo cancel feeOn-time69%
DeltaCheapest$569Average$897FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$573Average$856FlexibilityNo cancel feeOn-time77%
KLMCheapest$587Average$769FlexibilityNo cancel feeOn-time75%

Search flights from Seattle to Brussels by cabin class

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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