Cheap flights from Brussels Bruxelles-National Airport to Seattle from $353
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 6/18. 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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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?
What is the cheapest month to fly to Seattle?
In general, January 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 $662. If you don’t want to visit Seattle in January, then you should wait until March to fly from Brussels Bruxelles-National Airport, when ticket prices are also cheap, with an average price of $665.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Brussels Bruxelles-National Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $696. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Brussels Bruxelles-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $979.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Brussels Bruxelles-National Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $809 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $956. 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 Seattle?
You are more likely to see cheaper flights to Seattle from Brussels Bruxelles-National Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $749 when searching 25 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 $689 on momondo.
What is the cheapest airline that flies from Brussels Bruxelles-National to Seattle/Tacoma Intl?
Aer Lingus, British Airways, and Lufthansa are the most popular carriers operating from Brussels Bruxelles-National to Seattle/Tacoma Intl
What airlines fly to Seattle?
British Airways, Delta and KLM are the top three most popular airlines that fly to Seattle from Brussels Bruxelles-National Airport according to our data. British Airways 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 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
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
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 12h 25m.
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 8 as of April 2025.
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 British Airways, making up 19% of the total bookings. Other popular airlines include Delta with 16%, KLM with 16%, and Lufthansa with 13%.
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 $524 | Free Cancellation | Rating 7.0 1,068 reviews | |||
| PriceFrom $586 | Free Cancellation | Rating 7.0 484 reviews | |||
| PriceFrom $605 | Free Cancellation | Rating 7.8 1,333 reviews | |||
| PriceFrom $611 | Free Cancellation | Rating 6.6 6,809 reviews | |||
| PriceFrom $616 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $651 | Free Cancellation | Rating 7.6 1,272 reviews | |||
| PriceFrom $670 | Free Cancellation | Rating 6.7 7,030 reviews | |||
| PriceFrom $694 | Free Cancellation | Rating 7.4 8,685 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
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.