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Cheap flights from Seattle (SEA) to Brussels from $334

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 5/27. 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
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Brussels are usually found in November or February, booked 83 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

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 April 28, 2024.

Popular in

June

Cheapest in

November

Round-trip from

$590

One-way from

$544
High demand for flights, 37% potential price rise
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Best time to find cheap flights, 32% 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 Wednesday. 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 49% on this flight, we recommend booking at least 45 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 $833 1-2 weeks out and tickets from $973 for flights departing within the next 72 hours.

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

November can be a great time to fly to Brussels from Seattle with a flight ticket averaging about $1,005. Cheapflights users have found deals in the month of November for as cheap as $542. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Seattle to Brussels (SEA - BRU)?

It’s optimal to fly from Seattle to Brussels in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.

Cheap Brussels Airlines flights from Seattle to Brussels

Explore cheap flight options specifically provided by Brussels 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 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the cheapest Brussels Airlines flights we've come across from Seattle to Brussels. It's recommended that users confirm their flight details before booking.
Mon 6/1711:10 pmSEA - BRU
1 stop23h 35mBrussels Airlines
Fri 8/309:30 amBRU - SEA
1 stop21h 28mBrussels Airlines
Deal found 4/28$836
Wed 7/3111:10 pmSEA - BRU
1 stop23h 35mBrussels Airlines
Fri 8/169:30 amBRU - SEA
1 stop21h 28mBrussels Airlines
Deal found 4/28$913

Cheap Icelandair flights from Seattle to Brussels

Explore cheap flight options specifically provided by Icelandair 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 2,944,896 searches. Data last updated April 28, 2024.
To aid your search, here are some of the cheapest Icelandair flights we've found from Seattle to Brussels. Deals are refreshing constantly so come back soon for more options.
Sat 9/146:55 pmSEA - BRU
1 stop32h 55mIcelandair
Sun 9/291:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/27$553
Sat 10/123:50 pmSEA - BRU
1 stop12h 00mIcelandair
Tue 10/221:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/27$567
Sun 9/153:50 pmSEA - BRU
1 stop12h 00mIcelandair
Fri 9/201:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/27$573
Sat 9/143:50 pmSEA - BRU
1 stop12h 00mIcelandair
Sun 9/291:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/27$584
Sun 10/63:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/101:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/27$585
Sun 9/153:50 pmSEA - BRU
1 stop12h 00mIcelandair
Fri 9/201:50 pmBRU - SEA
2 stops16h 05mIcelandair
Deal found 4/28$841
Tue 6/43:50 pmSEA - BRU
1 stop12h 00mIcelandair
Tue 6/251:50 pmBRU - SEA
1 stop12h 50mIcelandair
Deal found 4/27$1,038
Sat 6/13:50 pmSEA - BRU
1 stop12h 00mIcelandair
Tue 6/251:50 pmBRU - SEA
1 stop12h 50mIcelandair
Deal found 4/27$1,061

Cheap Seattle to Brussels flights in April & May 2024

Find cheap flight options from Seattle to Brussels specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
The lowest fares we've come across on flights traveling from Seattle to Brussels in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/158:06 amSEA - BRU
1 stop14h 09mUnited Airlines
Sun 5/1910:15 amBRU - SEA
1 stop17h 30mUnited Airlines
Deal found 4/27$762
Wed 5/156:38 amSEA - BRU
2 stops17h 22mUnited Airlines
Sun 5/192:15 pmBRU - SEA
2 stops28h 59mUnited Airlines
Deal found 4/27$767
Tue 4/301:40 pmSEA - BRU
2 stops19h 50mMultiple Airlines
Tue 5/710:30 amBRU - SEA
2 stops20h 52mMultiple Airlines
Deal found 4/27$806
Tue 5/1412:40 amSEA - BRU
2 stops24h 00mDelta
Sun 5/196:10 amBRU - SEA
1 stop13h 00mDelta
Deal found 4/27$811
Tue 5/1412:40 amSEA - BRU
2 stops24h 00mDelta
Sun 5/196:10 amBRU - SEA
2 stops19h 50mDelta
Deal found 4/27$821
Tue 4/302:15 pmSEA - BRU
1 stop13h 15mLufthansa
Tue 5/77:00 amBRU - SEA
1 stop14h 25mLufthansa
Deal found 4/27$847
Tue 4/307:00 amSEA - BRU
1 stop17h 00mMultiple Airlines
Tue 5/710:00 amBRU - SEA
2 stops20h 58mMultiple Airlines
Deal found 4/27$858
Tue 4/309:15 amSEA - BRU
2 stops24h 15mMultiple Airlines
Sat 5/1110:30 amBRU - SEA
2 stops20h 42mMultiple Airlines
Deal found 4/27$878
Tue 4/3010:49 amSEA - BRU
1 stop13h 11mUnited Airlines
Sat 5/1110:00 amBRU - SEA
2 stops38h 28mUnited Airlines
Deal found 4/27$890

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 2,944,896 searches. Data last updated April 28, 2024.
The lowest fares we've come across on flights traveling from Seattle to Brussels in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 9/146:55 pmSEA - BRU
1 stop32h 55mIcelandair
Sun 9/291:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/27$553
Sat 10/123:50 pmSEA - BRU
1 stop12h 00mIcelandair
Tue 10/221:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/27$567
Mon 8/1210:55 pmSEA - BRU
1 stop24h 50mDelta
Wed 8/2110:45 amBRU - SEA
1 stop17h 46mDelta
Deal found 4/26$570
Sun 9/153:50 pmSEA - BRU
1 stop12h 00mIcelandair
Fri 9/201:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/27$573
Sat 9/143:50 pmSEA - BRU
1 stop12h 00mIcelandair
Sun 9/291:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/27$584
Sun 10/63:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/101:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/27$585
Sun 11/109:45 amSEA - BRU
1 stop13h 10mUnited Airlines
Sun 11/1710:10 amBRU - SEA
1 stop22h 58mUnited Airlines
Deal found 4/27$586
Sun 11/109:45 amSEA - BRU
1 stop13h 10mUnited Airlines
Sun 11/1710:10 amBRU - SEA
2 stops30h 50mUnited Airlines
Deal found 4/27$590
Sun 11/109:45 amSEA - BRU
2 stops18h 25mMultiple Airlines
Sun 11/179:40 amBRU - SEA
2 stops17h 46mMultiple Airlines
Deal found 4/27$592

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 2,944,896 searches. Data last updated April 28, 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.
Mon 5/277:00 amSEA - BRU
3 stops39h 35mMultiple Airlines
Deal found 4/27$334
Sun 8/411:00 pmSEA - BRU
2 stops49h 40mMultiple Airlines
Deal found 4/27$345
Tue 7/236:55 pmSEA - BRU
2 stops16h 45mMultiple Airlines
Deal found 4/27$370
Tue 7/231:50 pmSEA - BRU
3 stops20h 55mMultiple Airlines
Deal found 4/27$408
Mon 5/277:00 amSEA - BRU
2 stops23h 00mMultiple Airlines
Deal found 4/27$430
Tue 7/231:50 pmSEA - CRL
3 stops34h 45mMultiple Airlines
Deal found 4/27$479
Sun 8/47:00 amSEA - CRL
3 stops27h 40mMultiple Airlines
Deal found 4/27$526
Sun 8/47:40 amSEA - BRU
1 stop13h 40mUnited Airlines
Deal found 4/27$539
Tue 7/235:05 pmSEA - BRU
1 stop11h 55mMultiple Airlines
Deal found 4/27$540

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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$553 - $862

Route

Depart

Return

Price

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Sat 9/14

1 stop32h 55m

Brussels Bruxelles-National

Sun 9/29

1 stop15h 45m

$553

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Mon 8/12

1 stop24h 50m

Brussels Bruxelles-National

Wed 8/21

1 stop17h 46m

$570

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Mon 8/26

1 stop13h 40m

Brussels Bruxelles-National

Tue 9/17

1 stop20h 15m

$606

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 9/10

1 stop23h 25m

Brussels Bruxelles-National

Tue 9/24

1 stop20h 15m

$610

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 9/17

2 stops35h 05m

Brussels Bruxelles-National

Tue 10/1

2 stops33h 46m

$611

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Mon 8/12

2 stops18h 19m

Brussels Bruxelles-National

Fri 8/23

2 stops18h 56m

$637

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Sat 9/14

2 stops56h 10m

Brussels Bruxelles-National

Sun 9/29

2 stops35h 30m

$656

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Mon 6/17

1 stop23h 35m

Brussels Bruxelles-National

Fri 8/30

1 stop21h 28m

$836

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 8/6

2 stops18h 24m

Brussels Bruxelles-National

Wed 8/14

2 stops20h 45m

$862

Flights are sorted by cheapest first

Deals found on 4/27

When is the best time to 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 January 28, 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 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time 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 April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Brussels flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Brussels by month

Plan your trip from Seattle to Brussels by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Brussels is currently $441 while a round-trip flight costs $660. Price data was last updated on April 21, 2024.

Currently, November is the cheapest month in which you can book a flight from Seattle to Brussels (average of $590). Flying from Seattle to Brussels in June is currently the most expensive (average of $1,328). 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.

January

$622

February

$639

March

$809

April

$765

May

$859

June

$1,328

July

$1,184

August

$895

September

$863

October

$724

November

$590

December

$621

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 April 28, 2024.
Read reviews from past customers who have flown Brussels Airlines, Icelandair and Air Canada 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
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

SWISS
7.8
Good
2,053 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air France
7.6
Good
1,806 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Turkish Airlines
7.5
Good
3,696 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 $600 on Cheapflights?

    Yes, there are multiple flights from Seattle to Brussels for under $600. The cheapest flight booked recently is on Icelandair for just $553, but on average you can expect to pay $607.

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

    Icelandair, at $553, was found to be the cheapest airline from Seattle to Brussels.Alternate airlines to your destination round-trip include Delta and Air Canada. Users have found that Icelandair is 44% 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 United Airlines, with whom users have recently found tickets for as low as $539. However, be on the lookout for offers from Delta and British Airways, as they are both options that can get you from Seattle to Brussels for a low price.

  • 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 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 4/27.

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.

Seattle to Bruxelles-National flights
Seattle 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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$777FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest$459Average$762FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Aer LingusCheapest$485Average$894FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest$516Average$680FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest$535Average$882FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest$541Average$742FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$550Average$651FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest$575Average$878FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$581Average$780FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$599Average$1,041FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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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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Why should you use Cheapflights to find cheap flight tickets from Seattle to Brussels?

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Can Cheapflights find flights from Seattle to Brussels with no change fees?

Need flexible booking options for your flight to Brussels from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Brussels become cheaper?

Of course! You can now track prices for flights from Seattle to Brussels and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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