Cheap flights from Brussels Bruxelles-National Airport to Seattle from $492
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to Seattle departing on 1/8. 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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Our best Lufthansa deals on Brussels Bruxelles-National Airport to Seattle flight tickets
British Airways flights from Brussels Bruxelles-National Airport to Seattle
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Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Mon 2/1
9:30 am-3:55 pm
1 stop15h 25m
Seattle/Tacoma Intl
Thu 2/4
5:50 pm-10:30 pm
1 stop19h 40m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Mon 2/1
7:00 am-9:58 pm
2 stops23h 58m
Seattle/Tacoma Intl
Thu 2/4
5:50 pm-5:30 pm
1 stop14h 40m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Sat 3/27
12:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Sat 4/17
3:40 pm-12:55 pm
1 stop12h 15m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Tue 11/17
10:20 am-11:00 pm
2 stops21h 40m
Seattle/Tacoma Intl
Tue 11/24
12:31 pm-6:35 pm
2 stops21h 04m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Tue 11/10
3:10 pm-11:00 pm
2 stops40h 50m
Seattle/Tacoma Intl
Tue 11/24
7:20 am-6:35 pm
2 stops26h 15m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 11/12
12:50 pm-5:00 pm
1 stop13h 10m
Seattle/Tacoma Intl
Wed 1/13
2:35 pm-11:55 am
1 stop12h 20m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Thu 12/24
10:10 am-4:19 pm
1 stop15h 09m
Seattle/Tacoma Intl
Fri 1/22
7:00 am-8:05 am
2 stops16h 05m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Sat 11/21
7:00 am-12:00 pm
1 stop14h 00m
Seattle/Tacoma Intl
Fri 12/4
8:09 am-7:15 am
1 stop14h 06m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Wed 11/11
8:05 am-3:25 pm
2 stops16h 20m
Seattle/Tacoma Intl
Thu 1/14
7:15 am-7:35 am
2 stops15h 20m
BrusselsSeattle
BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl
BRUSEA
Brussels Bruxelles-National
Fri 11/13
8:05 am-3:25 pm
2 stops16h 20m
Seattle/Tacoma Intl
Wed 1/13
7:15 am-7:35 am
2 stops15h 20m
See travel insights to Seattle from
How to get the cheapest flight ticket from Brussels Bruxelles-National Airport to Seattle
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 typical price of a round-trip flight between Brussels Bruxelles-National Airport and Seattle?
Prices are currently low for flights on this route.
Typical prices usually range from $888 to $1,026.The lowest price recently found on this route was $675.
What is the cheapest month to fly to Seattle?
In general, May is the cheapest month to fly from Brussels Bruxelles-National Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $860. If you don’t want to visit Seattle in May, then you should wait until September to fly from Brussels Bruxelles-National Airport, when ticket prices are also cheap, with an average price of $890.
How far in advance should I book a flight from Brussels Bruxelles-National Airport to Seattle?
You are more likely to see cheaper flights to Seattle from Brussels Bruxelles-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,107 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Brussels Bruxelles-National Airport for as low as $809 on momondo.
What is the cheapest airline that flies from Brussels Bruxelles-National to Seattle/Tacoma Intl?
American Airlines is the most popular carrier operating from Brussels Bruxelles-National to Seattle/Tacoma Intl
What airlines fly to Seattle?
KLM, Lufthansa and Icelandair are the top three most popular airlines that fly to Seattle from Brussels Bruxelles-National Airport according to our data. KLM is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Brussels Bruxelles-National Airport and Seattle?
Frankfurt am Main (FRA) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Brussels Bruxelles-National Airport to Seattle?
Flights via Copenhagen (CPH) offer the lowest average round-trip price of $877.
Which layover airport has the shortest travel time from Brussels Bruxelles-National Airport to Seattle?
Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 13h 00m.
Which layover airport has the shortest connection time from Brussels Bruxelles-National Airport to Seattle?
Munich (MUC) has the shortest average layover time for this route: 1h 23m.
When to book flights from Brussels Bruxelles-National Airport to Seattle
Cheap Brussels Bruxelles-National Airport to Seattle (BRU to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to Seattle
Frequently asked questions about flying from Brussels Bruxelles-National Airport to Seattle
How far is Brussels Bruxelles-National to Seattle/Tacoma Intl by plane?
There are 4932.2 mi between Brussels Bruxelles-National and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 15h 50m.
When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport is 4 as of October 2026.
How old do you have to be to fly from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport?
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 Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Brussels Bruxelles-National Airport to Seattle?
Based on momondo bookings for flights between Brussels Bruxelles-National Airport and Seattle, the leading airline is KLM, making up 29% of the total bookings. Other popular airlines include Lufthansa with 27%, Icelandair with 24%, and Scandinavian Airlines with 20%.
Best airlines flying from Brussels Bruxelles-National Airport to Seattle
Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $676 | Free Cancellation | Rating 7.8 1,580 reviews | |||
| PriceFrom $711 | Free Cancellation | Rating 7.4 2,007 reviews | |||
| PriceFrom $823 | Free Cancellation | Rating 6.8 8,263 reviews | |||
| PriceFrom $838 | Free Cancellation | Rating 6.9 757 reviews |
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Why should I use momondo to find a flight deal from Brussels to Seattle?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Brussels.
Can I find flights from Brussels to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Brussels to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Brussels to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Brussels.
I’m not ready to book a flight from Brussels to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Brussels. 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.