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Cheap flights from Seattle to Belgium from $269

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 Belgium departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Belgium

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Belgium.
Scandinavian Airlines Logo
4:20 pm - 3:20 pmSEA-BRU
14h 00m1 stop
Scandinavian Airlines Logo
8:30 pm - 2:00 pmBRU-SEA
26h 30m1 stop
$439Scandinavian Airlines
Find Deal
Sun, Oct 5 - Thu, Oct 16
Scandinavian Airlines Logo
4:20 pm - 9:40 amSEA-BRU
32h 20m1 stop
Scandinavian Airlines Logo
8:30 pm - 2:00 pmBRU-SEA
26h 30m1 stop
$489Scandinavian Airlines
Find Deal
Fri, Oct 3 - Thu, Oct 16
Icelandair Logo
3:45 pm - 12:50 pmSEA-BRU
12h 05m1 stop
Icelandair Logo
1:50 pm - 5:50 pmBRU-SEA
13h 00m1 stop
$530Icelandair
Find Deal
Thu, Oct 2 - Sun, Oct 19
Icelandair Logo
3:45 pm - 12:50 pmSEA-BRU
12h 05m1 stop
Icelandair Logo
1:50 pm - 5:50 pmBRU-SEA
13h 00m1 stop
$538Icelandair
Find Deal
Wed, Oct 1 - Mon, Oct 20
Lufthansa Logo
2:55 pm - 8:05 amSEA-BRU
56h 10m2 stops
Lufthansa Logo
2:25 pm - 11:55 amBRU-SEA
30h 30m1 stop
$609Lufthansa
Find Deal
Fri, Oct 10 - Mon, Oct 20
United Airlines Logo
12:20 am - 9:00 amSEA-BRU
23h 40m1 stop
United Airlines Logo
10:00 am - 3:43 pmBRU-SEA
38h 43m2 stops
$617United Airlines
Find Deal
Tue, Aug 12 - Sat, Aug 30
United Airlines Logo
6:38 am - 7:45 amSEA-BRU
16h 07m1 stop
United Airlines Logo
10:00 am - 8:41 pmBRU-SEA
19h 41m1 stop
$630United Airlines
Find Deal
Wed, Aug 13 - Sat, Aug 30
British Airways Logo
2:20 pm - 7:35 pmSEA-BRU
20h 15m2 stops
British Airways Logo
9:15 pm - 4:53 pmBRU-SEA
28h 38m2 stops
$728British Airways
Find Deal
Mon, May 26 - Mon, Jun 9
British Airways Logo
1:30 pm - 2:15 pmSEA-BRU
15h 45m1 stop
British Airways Logo
8:25 pm - 11:35 amBRU-SEA
24h 10m1 stop
$844British Airways
Find Deal
Sun, Jun 8 - Tue, Jul 15
Lufthansa Logo
6:50 pm - 5:15 pmSEA-BRU
13h 25m1 stop
Lufthansa Logo
10:00 am - 1:01 pmBRU-SEA
36h 01m2 stops
$949Lufthansa
Find Deal
Wed, Jul 23 - Thu, Jul 31

Scandinavian Airlines flights from Seattle to Belgium

Our best Scandinavian Airlines deals on Seattle to Belgium flight tickets
Scandinavian Airlines
Oct 5
SEA4:20 pmSeattle/Tacoma Intl
14h 00m
1 stop
BRU3:20 pmBrussels Bruxelles-National
Oct 16
BRU8:30 pmBrussels Bruxelles-National
26h 30m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Scandinavian Airlines
Oct 3
SEA4:20 pmSeattle/Tacoma Intl
32h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
Oct 16
BRU8:30 pmBrussels Bruxelles-National
26h 30m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Scandinavian Airlines
Oct 5
SEA4:20 pmSeattle/Tacoma Intl
14h 00m
1 stop
BRU3:20 pmBrussels Bruxelles-National
Oct 22
BRU10:20 amBrussels Bruxelles-National
12h 40m
1 stop
SEA2:00 pmSeattle/Tacoma Intl

Icelandair flights from Seattle to Belgium

Our best Icelandair deals on Seattle to Belgium flight tickets
Icelandair
Oct 2
SEA3:45 pmSeattle/Tacoma Intl
12h 05m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Oct 19
BRU1:50 pmBrussels Bruxelles-National
13h 00m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Icelandair
Oct 1
SEA3:45 pmSeattle/Tacoma Intl
12h 05m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Oct 20
BRU1:50 pmBrussels Bruxelles-National
13h 00m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Icelandair
Oct 3
SEA7:00 pmSeattle/Tacoma Intl
32h 50m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Oct 19
BRU1:50 pmBrussels Bruxelles-National
13h 00m
1 stop
SEA5:50 pmSeattle/Tacoma Intl

See travel insights to Belgium from

How to get the cheapest flight ticket from Seattle to Belgium

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 to Belgium?

In general, February is the cheapest month to fly from Seattle to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $527. If you are unable to visit Belgium during the month of February, then departing from Seattle during the month November is also very affordable. Most momondo users find prices during this month for around $534.

What is the cheapest day to depart on your flight to Belgium?

Our data shows that Tuesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $626. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $783. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the morning. Flights from Seattle to Belgium during this time can be as low as $668. Flights to Belgium are more costly at noon, with an average ticket price of $738. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Belgium?

You are more likely to see cheaper flights to Belgium from Seattle when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $647 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Seattle for as low as $576 on momondo.

Cheap Seattle to Belgium flight deals and tips

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

Best Price Found

$269

Fastest flight time

12h 05m

Direct flights

None

Airports in Belgium

2 airports
The best one-way flight to Belgium from Seattle in the past 72 hours is $269. The best round-trip flight deal from Seattle to Belgium found on momondo in the last 72 hours is $439.
The fastest flight from Seattle to Belgium takes 12h 05m
There are no direct flights from Seattle to Belgium. 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 Belgium: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)

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

    Prices for flights from Seattle/Tacoma Intl Airport to Belgium are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Belgium.

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

    The travel and health documents required for your trip to Belgium 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 Belgium. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Seattle to Belgium

Compare and see reviews for airlines that fly from Seattle to Belgium with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $403Free CancellationRating
7.0
484 reviews
Search Icelandair flights
British AirwaysPriceFrom $495Free CancellationRating
6.6
6,815 reviews
Search British Airways flights
American AirlinesPriceFrom $501Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $529Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Aer LingusPriceFrom $532Free CancellationRating
7.0
1,068 reviews
Search Aer Lingus flights
KLMPriceFrom $532Free CancellationRating
7.8
1,333 reviews
Search KLM flights
Air CanadaPriceFrom $543Free CancellationRating
7.0
9,195 reviews
Search Air Canada flights
DeltaPriceFrom $549Free CancellationRating
8.0
7,919 reviews
Search Delta flights
Air FrancePriceFrom $554Free CancellationRating
7.4
1,444 reviews
Search Air France flights
FinnairPriceFrom $572Free CancellationRating
7.6
1,272 reviews
Search Finnair flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Belgium for you.

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

Yes. momondo enables you to select and highlight flights to Belgium from Seattle with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Belgium.

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

Yes momondo offers price alerts on flights to Belgium from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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