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Cheap flights from Seattle to Brussels from $265

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 11/27. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Seattle to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 pm - 9:25 pm
SEA
-
CRL
17h 15m
1 stop
Multiple Airlines Logo
10:00 pm - 6:45 pm
CRL
-
SEA
29h 45m
2 stops
$911Multiple Airlines
dom., oct. 4 - lun., oct. 19
Multiple Airlines Logo
7:10 pm - 9:15 pm
SEA
-
CRL
17h 05m
1 stop
Multiple Airlines Logo
9:20 am - 7:25 pm
CRL
-
SEA
43h 05m
2 stops
$931Multiple Airlines
dom., jul. 5 - mié., jul. 15
Multiple Airlines Logo
7:10 pm - 8:25 am
SEA
-
CRL
28h 15m
1 stop
Multiple Airlines Logo
9:40 pm - 7:25 pm
CRL
-
SEA
30h 45m
2 stops
$956Multiple Airlines
lun., jul. 20 - lun., ago. 17
Multiple Airlines Logo
3:40 pm - 10:55 pm
SEA
-
CRL
22h 15m
2 stops
Multiple Airlines Logo
10:00 pm - 11:35 am
CRL
-
SEA
22h 35m
2 stops
$968Multiple Airlines
dom., oct. 4 - lun., oct. 19
Multiple Airlines Logo
7:10 pm - 8:25 am
SEA
-
CRL
28h 15m
1 stop
Multiple Airlines Logo
8:00 am - 11:45 am
CRL
-
SEA
36h 45m
2 stops
$977Multiple Airlines
lun., ago. 3 - jue., ago. 27
Multiple Airlines Logo
10:45 am - 8:35 pm
SEA
-
CRL
24h 50m
3 stops
Multiple Airlines Logo
7:05 am - 5:55 pm
CRL
-
SEA
19h 50m
2 stops
$990Multiple Airlines
lun., ago. 3 - jue., ago. 27
Multiple Airlines Logo
5:40 am - 8:00 pm
SEA
-
CRL
29h 20m
3 stops
Multiple Airlines Logo
8:25 am - 10:42 pm
CRL
-
SEA
23h 17m
3 stops
$993Multiple Airlines
mié., sep. 16 - sáb., sep. 26
Multiple Airlines Logo
7:10 pm - 10:15 pm
SEA
-
CRL
18h 05m
2 stops
Multiple Airlines Logo
8:25 am - 10:42 pm
CRL
-
SEA
23h 17m
3 stops
$1,000Multiple Airlines
mié., sep. 16 - sáb., sep. 26
Multiple Airlines Logo
7:10 pm - 8:25 am
SEA
-
CRL
28h 15m
1 stop
Multiple Airlines Logo
8:50 am - 8:40 pm
CRL
-
SEA
20h 50m
2 stops
$1,001Multiple Airlines
lun., jul. 20 - lun., ago. 24
Multiple Airlines Logo
3:40 pm - 5:10 pm
SEA
-
CRL
16h 30m
2 stops
Multiple Airlines Logo
9:40 am - 10:40 am
CRL
-
SEA
34h 00m
2 stops
$1,053Multiple Airlines
dom., jul. 19 - dom., ago. 9

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Charleroi Brussels Airport 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, momondo users made 832,500 searches. Data last updated junio 7, 2026.
Use the filters below to find and compare flights from Seattle to Charleroi Brussels Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

dom. 10/4

7:10 pm-9:25 pm

1 stop17h 15m

Charleroi Brussels

lun. 10/19

10:00 pm-6:45 pm

2 stops29h 45m

$911

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

dom. 7/5

7:10 pm-9:15 pm

1 stop17h 05m

Charleroi Brussels

mié. 7/15

9:20 am-7:25 pm

2 stops43h 05m

$931

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

lun. 7/20

7:10 pm-8:25 am

1 stop28h 15m

Charleroi Brussels

lun. 8/17

9:40 pm-7:25 pm

2 stops30h 45m

$956

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

dom. 10/4

3:40 pm-10:55 pm

2 stops22h 15m

Charleroi Brussels

lun. 10/19

10:00 pm-11:35 am

2 stops22h 35m

$968

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

lun. 8/3

7:10 pm-8:25 am

1 stop28h 15m

Charleroi Brussels

jue. 8/27

8:00 am-11:45 am

2 stops36h 45m

$977

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

lun. 8/3

10:45 am-8:35 pm

3 stops24h 50m

Charleroi Brussels

jue. 8/27

7:05 am-5:55 pm

2 stops19h 50m

$990

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

mié. 9/16

5:40 am-8:00 pm

3 stops29h 20m

Charleroi Brussels

sáb. 9/26

8:25 am-10:42 pm

3 stops23h 17m

$993
Quickest round-trip

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

mié. 9/16

7:10 pm-10:15 pm

2 stops18h 05m

Charleroi Brussels

sáb. 9/26

8:25 am-10:42 pm

3 stops23h 17m

$1,000

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

lun. 7/20

7:10 pm-8:25 am

1 stop28h 15m

Charleroi Brussels

lun. 8/24

8:50 am-8:40 pm

2 stops20h 50m

$1,001

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

dom. 7/19

3:40 pm-5:10 pm

2 stops16h 30m

Charleroi Brussels

dom. 8/9

9:40 am-10:40 am

2 stops34h 00m

$1,053

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Seattle to Charleroi Brussels Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Charleroi Brussels Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Charleroi Brussels Airport (SEA to CRL) flight deals and tips

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

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Seattle to Charleroi Brussels Airport takes 15h 00m
There are no direct flights from Seattle to Charleroi Brussels Airport. There are no popular flight routes from Seattle to Charleroi Brussels Airport.
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Frequently asked questions about flying from Seattle to Charleroi Brussels Airport

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

    There are 4956.5 mi between Seattle/Tacoma Intl and Charleroi Brussels. Typically, this will take 15h 00m by plane in normal conditions.

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

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

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

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

    The necessary travel and health documents for your Charleroi Brussels Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Seattle to Charleroi Brussels Airport

  • How do I get Price Alerts for flights from Seattle to Charleroi Brussels Airport?

    Confirm your travel details to search for the latest offers for flights from Seattle to Charleroi Brussels Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to Charleroi Brussels Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Brussels. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Brussels from Seattle which offer a flexible booking policy as well as other useful filters and features.

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?

Yes momondo offers price alerts on flights to Brussels 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.

An easier way to manage your Charleroi Brussels Airport trip

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