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Charleroi Brussels

$414+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CRL
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
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 September 14, 2025.

Round-trip from

$572
(Mytrip)

One-way from

$414
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$527
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 ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 14, 2025.

This Mytrip deal was found by Cheapflights users on 9/12. 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.
Tue 10/73:45 pmSEA - CRL
2 stops21h 20mMultiple Airlines
Wed 10/1511:05 amCRL - SEA
2 stops18h 35mMultiple Airlines
Deal found 9/12$572
This Mytrip deal was found by Cheapflights users on 9/13. 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 11/193:10 pmSEA - CRL
2 stops22h 40mMultiple Airlines
Sat 11/225:15 pmCRL - SEA
2 stops29h 05mMultiple Airlines
Deal found 9/13$649
This Mytrip deal was found by Cheapflights users on 9/13. 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 11/711:55 amSEA - CRL
3 stops21h 25mMultiple Airlines
Sun 11/167:55 pmCRL - SEA
2 stops28h 45mMultiple Airlines
Deal found 9/13$874
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/237:35 pmSEA - CRL
1 stop18h 00mMultiple Airlines
Thu 11/68:40 amCRL - SEA
2 stops34h 55mMultiple Airlines
Deal found 9/13$919
This Mytrip deal was found by Cheapflights users on 9/12. 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.
Thu 10/95:30 amSEA - CRL
3 stops21h 20mMultiple Airlines
Sat 10/188:35 pmCRL - SEA
2 stops24h 20mMultiple Airlines
Deal found 9/12$974
This Mytrip deal was found by Cheapflights users on 9/13. 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
Sun 11/167:55 pmCRL - SEA
2 stops28h 45mMultiple Airlines
Deal found 9/13$982
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 12/511:08 amSEA - CRL
2 stops22h 12mMultiple Airlines
Fri 12/121:10 pmCRL - SEA
1 stop14h 10mMultiple Airlines
Deal found 9/14$1,003
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Thu 10/98:40 amSEA - CRL
2 stops28h 55mMultiple Airlines
Mon 10/139:45 amCRL - SEA
2 stops33h 50mMultiple Airlines
Deal found 9/14$1,013
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Thu 12/42:35 pmSEA - CRL
2 stops18h 35mMultiple Airlines
Fri 12/127:20 amCRL - SEA
3 stops47h 56mMultiple Airlines
Deal found 9/13$1,018

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 September 14, 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

Tue 10/7

3:45 pm-10:05 pm

2 stops21h 20m

Charleroi Brussels

Wed 10/15

11:05 am-8:40 pm

2 stops18h 35m

$572

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Wed 11/19

3:10 pm-10:50 pm

2 stops22h 40m

Charleroi Brussels

Sat 11/22

5:15 pm-1:20 pm

2 stops29h 05m

$649

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Thu 10/23

7:35 pm-10:35 pm

1 stop18h 00m

Charleroi Brussels

Thu 11/6

8:40 am-10:35 am

2 stops34h 55m

$919

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Thu 10/9

5:30 am-11:50 am

3 stops21h 20m

Charleroi Brussels

Sat 10/18

8:35 pm-11:55 am

2 stops24h 20m

$974

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Wed 11/5

2:35 pm-8:55 pm

2 stops21h 20m

Charleroi Brussels

Sun 11/16

7:55 pm-3:40 pm

2 stops28h 45m

$982

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Fri 12/5

11:08 am-6:20 pm

2 stops22h 12m

Charleroi Brussels

Fri 12/12

1:10 pm-6:20 pm

1 stop14h 10m

$1,003

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Thu 10/9

8:40 am-10:35 pm

2 stops28h 55m

Charleroi Brussels

Mon 10/13

9:45 am-10:35 am

2 stops33h 50m

$1,013

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Thu 12/4

2:35 pm-6:10 pm

2 stops18h 35m

Charleroi Brussels

Fri 12/12

7:20 am-10:16 pm

3 stops47h 56m

$1,018

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Sat 12/6

2:35 pm-3:50 pm

2 stops16h 15m

Charleroi Brussels

Fri 12/12

7:20 am-10:16 pm

3 stops47h 56m

$1,022

SeattleBrussels

SEA - CRL

SEACRL

Seattle/Tacoma Intl

Fri 11/7

8:05 pm-8:45 pm

2 stops15h 40m

Charleroi Brussels

Sun 11/16

7:55 pm-3:40 pm

2 stops28h 45m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
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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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