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Charleroi Brussels

$386+ Cheap flights from Seattle (SEA) to Charleroi Brussels (CRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CRL
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Seattle to Charleroi Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Charleroi Brussels (CRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$783
(Mytrip)

One-way from

$386
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$517
Provider with most accurate pricing for Seattle/Tacoma Intl-Charleroi Brussels flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Charleroi Brussels flights.
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From Seattle/Tacoma Intl to Charleroi Brussels
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One-way flight from Seattle/Tacoma Intl to Charleroi Brussels
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Highest demand for flights based on searches. 14% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Seattle to Charleroi Brussels

Cheapest flights from Seattle to Charleroi Brussels
Explore the most affordable flight options available from Seattle to Charleroi Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:00 pmSEA - CRL
2 stops21h 20mMultiple Airlines
Mon 12/11:30 pmCRL - SEA
2 stops31h 40mMultiple Airlines
Deal found 10/26$945
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:35 pmSEA - CRL
2 stops21h 20mMultiple Airlines
Wed 12/177:00 amCRL - SEA
3 stops40h 20mMultiple Airlines
Deal found 10/28$1,058
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:00 pmSEA - CRL
2 stops23h 30mMultiple Airlines
Fri 11/145:40 pmCRL - SEA
2 stops27h 30mMultiple Airlines
Deal found 10/28$1,070
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:06 amSEA - CRL
2 stops21h 29mMultiple Airlines
Thu 12/184:20 pmCRL - SEA
1 stop35h 00mMultiple Airlines
Deal found 10/27$1,087
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:35 pmSEA - CRL
2 stops21h 20mMultiple Airlines
Fri 11/149:20 pmCRL - SEA
2 stops27h 20mMultiple Airlines
Deal found 10/27$1,106
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:59 pmSEA - CRL
2 stops35h 46mMultiple Airlines
Fri 11/211:00 pmCRL - SEA
1 stop14h 20mMultiple Airlines
Deal found 10/28$1,223

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Charleroi Brussels 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, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Seattle to Charleroi Brussels Airport that are best for you.

Fly from

Seattle

Fly to

Charleroi Brussels

Route

Depart

Return

Price

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Sun 1/18

2:35 pm-10:15 pm

2 stops22h 40m

Charleroi Brussels

Fri 1/23

6:35 pm-7:18 pm

3 stops33h 43m

$783

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Sat 1/17

8:10 am-3:40 pm

2 stops22h 30m

Charleroi Brussels

Fri 1/23

6:35 pm-7:18 pm

3 stops33h 43m

$816

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Mon 11/24

2:00 pm-8:20 pm

2 stops21h 20m

Charleroi Brussels

Mon 12/1

1:30 pm-12:10 pm

2 stops31h 40m

$945

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Wed 3/11

3:35 pm-8:55 pm

2 stops21h 20m

Charleroi Brussels

Mon 3/16

7:25 am-6:00 pm

2 stops18h 35m

$1,004

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Wed 3/18

3:35 pm-8:55 pm

2 stops21h 20m

Charleroi Brussels

Mon 3/23

7:25 am-6:00 pm

2 stops18h 35m

$1,004

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Wed 3/25

3:35 pm-8:55 pm

2 stops21h 20m

Charleroi Brussels

Mon 3/30

8:30 am-5:50 pm

2 stops18h 20m

$1,035

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Wed 12/10

2:35 pm-8:55 pm

2 stops21h 20m

Charleroi Brussels

Wed 12/17

7:00 am-2:20 pm

3 stops40h 20m

$1,058

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Thu 12/11

6:06 am-12:35 pm

2 stops21h 29m

Charleroi Brussels

Thu 12/18

4:20 pm-6:20 pm

1 stop35h 00m

$1,087

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Sat 3/21

3:35 pm-3:50 pm

2 stops16h 15m

Charleroi Brussels

Sun 3/29

8:35 am-8:45 pm

2 stops21h 10m

$1,087

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Thu 1/8

10:29 am-10:55 pm

3 stops27h 26m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 16 results
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  • Most accurate provider: When it comes to deals on Seattle-Charleroi Brussels Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Charleroi Brussels Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Charleroi Brussels Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Charleroi Brussels Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Charleroi Brussels Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Charleroi Brussels

Have a flexible travel schedule? Discover the best time to fly to Charleroi Brussels from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Charleroi Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Charleroi Brussels?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Charleroi Brussels. You should not have trouble finding flights to Charleroi Brussels from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to Charleroi Brussels per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to Charleroi Brussels. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • Can I find deals for flights from Seattle to Charleroi Brussels that include hotel bookings?

    Yes. In addition to deals on Seattle to Charleroi Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Charleroi Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Charleroi Brussels.

  • Can I find deals for business class flights from Seattle to Charleroi Brussels?

    Yes. Cheapflights offers flight deals from Seattle to Charleroi Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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