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Cheap flights from Seattle to Brussels from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Brussels departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Brussels

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Brussels that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Brussels.

Cheap last minute flights

Planning a quick getaway from Seattle to Brussels? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Brussels, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Brussels

Find recent round-trip train or bus tickets from Seattle to Brussels.

All round-trip flight deals to Brussels

The cheapest plane tickets to Brussels found on KAYAK recently.
2:35 pm - 11:55 amSEA-BRU
12h 20m1 stop
12:50 pm - 5:00 pmBRU-SEA
13h 10m1 stop
$409Icelandair
Find Deal
Thu, Jan 9 - Thu, Jan 23
2:35 pm - 11:55 amSEA-BRU
12h 20m1 stop
12:50 pm - 5:00 pmBRU-SEA
13h 10m1 stop
$411Icelandair
Find Deal
Thu, Jan 9 - Thu, Jan 23
2:35 pm - 11:55 amSEA-BRU
12h 20m1 stop
12:50 pm - 5:00 pmBRU-SEA
13h 10m1 stop
$425Icelandair
Find Deal
Thu, Jan 9 - Thu, Jan 23
11:05 am - 8:55 amSEA-BRU
12h 50m1 stop
10:00 am - 4:16 pmBRU-SEA
39h 16m2 stops
$548United Airlines
Find Deal
Thu, Jan 9 - Thu, Jan 23
11:59 pm - 7:55 amSEA-BRU
23h 56m1 stop
8:35 am - 12:25 pmBRU-SEA
12h 50m1 stop
$592United Airlines
Find Deal
Sat, Mar 22 - Sun, Mar 30
2:00 pm - 12:30 pmSEA-BRU
13h 30m1 stop
6:45 am - 12:10 pmBRU-SEA
14h 25m1 stop
$683Lufthansa
Find Deal
Sat, Feb 15 - Sat, Feb 22
2:00 pm - 12:30 pmSEA-BRU
13h 30m1 stop
7:10 pm - 1:20 pmBRU-SEA
27h 10m1 stop
$704Lufthansa
Find Deal
Sat, Feb 15 - Sat, Feb 22
7:15 am - 2:15 pmSEA-BRU
22h 00m2 stops
10:45 am - 10:24 pmBRU-SEA
20h 39m2 stops
$1,113Delta
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Tue, Dec 17 - Wed, Jan 1
7:15 am - 2:15 pmSEA-BRU
22h 00m2 stops
11:00 am - 10:24 pmBRU-SEA
20h 24m1 stop
$1,171Delta
Find Deal
Tue, Dec 17 - Wed, Jan 1
6:50 pm - 4:40 pmSEA-BRU
12h 50m1 stop
5:35 pm - 8:04 pmBRU-SEA
35h 29m2 stops
$1,261British Airways
Find Deal
Mon, Dec 30 - Mon, Jan 6
2:35 pm - 8:30 amSEA-BRU
32h 55m3 stops
Wed, Jan 15
2:35 pm - 8:50 amSEA-BRU
33h 15m2 stops
Wed, Jan 15
2:35 pm - 1:15 pmSEA-CRL
37h 40m3 stops
Tue, Dec 10
3:05 pm - 7:55 amSEA-BRU
55h 50m2 stops
$394Air Canada
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Mon, Dec 23
2:35 pm - 11:55 amSEA-BRU
12h 20m1 stop
$398Icelandair
Find Deal
Wed, Jan 15
10:55 am - 8:55 amSEA-BRU
13h 00m1 stop
$549United Airlines
Find Deal
Fri, Nov 29
12:55 am - 10:10 amSEA-BRU
24h 15m2 stops
$791Delta
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Thu, Nov 28
12:55 am - 10:10 amSEA-BRU
24h 15m2 stops
$1,005Delta
Find Deal
Thu, Nov 28
7:25 am - 10:45 amSEA-BRU
42h 20m3 stops
$1,025United Airlines
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Fri, Nov 29
2:00 pm - 12:30 pmSEA-BRU
13h 30m1 stop
$1,208Lufthansa
Find Deal
Mon, Dec 9
7:10 am - 4:55 pmSEA-BRU
24h 45m2 stops
10:30 am - 10:23 pmBRU-SEA
20h 53m2 stops
$969Scandinavian Airlines
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Sat, Nov 23 - Mon, Nov 25
5:20 pm - 10:35 pmSEA-BRU
20h 15m1 stop
9:30 am - 2:50 pmBRU-SEA
14h 20m1 stop
Sat, Nov 23 - Mon, Nov 25
5:20 pm - 10:35 pmSEA-BRU
20h 15m1 stop
6:45 am - 8:00 pmBRU-SEA
22h 15m2 stops
$1,190
Find Deal
Sat, Nov 23 - Mon, Nov 25
3:05 pm - 7:55 amSEA-BRU
31h 50m2 stops
3:15 pm - 8:30 pmBRU-SEA
38h 15m3 stops
$1,222
Find Deal
Sat, Nov 23 - Mon, Nov 25
6:59 pm - 12:20 pmSEA-BRU
32h 21m3 stops
6:55 pm - 8:30 pmBRU-SEA
34h 35m3 stops
$1,555
Find Deal
Sat, Nov 23 - Mon, Nov 25
12:25 am - 9:35 amSEA-BRU
24h 10m2 stops
10:15 am - 6:15 pmBRU-SEA
17h 00m1 stop
$2,064Aer Lingus
Find Deal
Fri, Nov 22 - Mon, Nov 25
12:25 am - 9:35 amSEA-BRU
24h 10m2 stops
6:55 pm - 4:55 pmBRU-SEA
31h 00m2 stops
$2,628Aer Lingus
Find Deal
Fri, Nov 22 - Mon, Nov 25

Icelandair flights from Seattle to Brussels

Our best Icelandair deals on Seattle to Brussels flight tickets
Icelandair
Jan 9
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 23
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Jan 9
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 23
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Jan 9
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 23
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to Brussels

Our best American Airlines deals on Seattle to Brussels flight tickets
American Airlines
Mar 20
SEA7:50 pmSeattle/Tacoma Intl
13h 20m
1 stop
BRU5:10 pmBrussels Bruxelles-National
Mar 27
BRU10:15 amBrussels Bruxelles-National
15h 40m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
American Airlines
Jan 27
SEA6:50 pmSeattle/Tacoma Intl
33h 45m
1 stop
BRU1:35 pmBrussels Bruxelles-National
Feb 2
BRU5:30 pmBrussels Bruxelles-National
32h 25m
1 stop
SEA4:55 pmSeattle/Tacoma Intl

See travel insights to Brussels from

How to get the cheapest flight ticket from Seattle to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to Brussels from Seattle is February. Most expensive is June

What is the cheapest day to depart Seattle for Brussels?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Wednesday

When is the cheapest time to fly from Seattle to Brussels?

In the morning. Seattle to Brussels flights are approximately 8% more expensive at noon than in the morning

What is the cheapest Seattle to Brussels flight route?

Seattle/Tacoma Intl - Brussels Bruxelles-National. Fly from Seattle/Tacoma Intl to Brussels Bruxelles-National for the best Seattle - Brussels flight prices

How far in advance should you book Seattle to Brussels flights?

43 days before. The cheapest time to buy a flight from Seattle to Brussels is approximately 43 days to departure

Can stopping save me money on Seattle to Brussels flights?

You could potentially save up to 28% on your flight if you consider stops on a Seattle to Brussels flight.

Cheap Seattle to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Brussels

Best Price Found

$309

Fastest flight time

12h 10m

Direct flights

None

Airports in Brussels

2 airports
The best one-way flight to Brussels from Seattle in the past 72 hours is $309. The best round-trip flight deal from Seattle to Brussels found on momondo in the last 72 hours is $409.
The fastest flight from Seattle to Brussels takes 12h 10m
There are no direct flights from Seattle to Brussels. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Brussels Bruxelles-National Airport and Seattle/Tacoma Intl Airport - Charleroi Brussels Airport.
There are 2 airports near Brussels: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)

  • How far is Seattle/Tacoma Intl to Brussels by plane?

    A flight from Seattle/Tacoma Intl to Brussels will travel around 4931.7 mi. 12h 10m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Brussels?

    Prices for flights from Seattle/Tacoma Intl Airport to Brussels refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Brussels?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Brussels?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents required for your trip to Brussels can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brussels. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Seattle to Brussels

Compare and see reviews for airlines that fly from Seattle to Brussels with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $402Free CancellationRating
7.2
555 reviews
Search Icelandair flights
Air CanadaPriceFrom $459Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
American AirlinesPriceFrom $501Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $502Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
United AirlinesPriceFrom $529Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
KLMPriceFrom $542Free CancellationRating
7.8
1,350 reviews
Search KLM flights
Aer LingusPriceFrom $544Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
DeltaPriceFrom $561Free CancellationRating
8.0
8,756 reviews
Search Delta flights
Air FrancePriceFrom $571Free CancellationRating
7.4
1,523 reviews
Search Air France flights
LufthansaPriceFrom $594Free CancellationRating
6.8
7,148 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Brussels?

It is quick and easy to find Seattle to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

Can I find flights from Seattle to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Brussels?

momondo helps you find the best flight between Seattle and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Brussels right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.


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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels