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Cheap flights from Boston to Brussels from $221

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Brussels departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:40 pm - 9:15 pmBOS  Boston Logan Intl-CRL Charleroi Brussels
21h 35m2 stops Kastrup Copenhagen Stockholm Arlanda
Multiple Airlines Logo
9:00 pm - 3:35 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
24h 35m2 stops Stockholm Arlanda Kastrup Copenhagen
$473Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Multiple Airlines Logo
11:00 pm - 8:35 pmBOS  Boston Logan Intl-CRL Charleroi Brussels
15h 35m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
Multiple Airlines Logo
9:05 am - 9:45 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
18h 40m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
$591Multiple Airlines
Mon, Sep 28 - Sun, Oct 4
Multiple Airlines Logo
10:45 pm - 9:50 pmBOS  Boston Logan Intl-CRL Charleroi Brussels
17h 05m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
7:00 am - 9:45 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
20h 45m2 stops Turin Citta Di Torino Barcelona-El Prat
$675Multiple Airlines
Tue, Oct 13 - Sun, Oct 18
Multiple Airlines Logo
6:05 pm - 1:40 pmBOS  Boston Logan Intl-CRL Charleroi Brussels
13h 35m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
9:00 pm - 9:05 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
30h 05m2 stops Faro Barcelona-El Prat
$681Multiple Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
6:05 pm - 1:40 pmBOS  Boston Logan Intl-CRL Charleroi Brussels
13h 35m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
7:15 pm - 9:05 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
31h 50m2 stops Bergamo Orio Al Serio Barcelona-El Prat
$682Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
6:05 pm - 1:40 pmBOS  Boston Logan Intl-CRL Charleroi Brussels
13h 35m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
9:00 pm - 9:05 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
30h 05m2 stops Faro Barcelona-El Prat
$687Multiple Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
9:15 pm - 8:25 amBOS  Boston Logan Intl-CRL Charleroi Brussels
29h 10m1 stop Dublin
Multiple Airlines Logo
10:15 am - 7:45 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
39h 30m2 stops Tangier Ibn Battouta Madrid Barajas
$702Multiple Airlines
Mon, Sep 21 - Sun, Oct 4
Multiple Airlines Logo
9:15 pm - 9:25 pmBOS  Boston Logan Intl-CRL Charleroi Brussels
18h 10m1 stop Dublin
Multiple Airlines Logo
7:30 pm - 7:45 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
30h 15m2 stops Tangier Ibn Battouta Madrid Barajas
$703Multiple Airlines
Sun, Sep 20 - Sat, Oct 3
Multiple Airlines Logo
11:35 pm - 8:25 amBOS  Boston Logan Intl-CRL Charleroi Brussels
26h 50m1 stop Dublin
Multiple Airlines Logo
10:15 am - 7:45 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
39h 30m2 stops Tangier Ibn Battouta Madrid Barajas
$709Multiple Airlines
Mon, Sep 21 - Sun, Oct 4
Multiple Airlines Logo
11:35 pm - 8:25 amBOS  Boston Logan Intl-CRL Charleroi Brussels
26h 50m1 stop Dublin
Multiple Airlines Logo
10:15 am - 7:45 pmCRL  Charleroi Brussels-BOS Boston Logan Intl
39h 30m2 stops Tangier Ibn Battouta Madrid Barajas
$712Multiple Airlines
Mon, Sep 21 - Sun, Oct 4

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Customize your flight search to find flights from Boston 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 August 7, 2026.
Use the filters below to find and compare flights from Boston to Charleroi Brussels Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Tue 10/6

5:40 pm-9:15 pm

2 stops21h 35m

Charleroi Brussels

Tue 10/13

9:00 pm-3:35 pm

2 stops24h 35m

$473
Quickest round-trip

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Mon 9/28

11:00 pm-8:35 pm

2 stops15h 35m

Charleroi Brussels

Sun 10/4

9:05 am-9:45 pm

2 stops18h 40m

$591

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Tue 10/13

10:45 pm-9:50 pm

1 stop17h 05m

Charleroi Brussels

Sun 10/18

7:00 am-9:45 pm

2 stops20h 45m

$675

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Tue 10/13

6:05 pm-1:40 pm

1 stop13h 35m

Charleroi Brussels

Wed 10/21

9:00 pm-9:05 pm

2 stops30h 05m

$681

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Tue 10/13

6:05 pm-1:40 pm

1 stop13h 35m

Charleroi Brussels

Tue 10/20

7:15 pm-9:05 pm

2 stops31h 50m

$682

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Tue 10/13

6:05 pm-1:40 pm

1 stop13h 35m

Charleroi Brussels

Wed 10/21

9:00 pm-9:05 pm

2 stops30h 05m

$687

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Mon 9/21

9:15 pm-8:25 am

1 stop29h 10m

Charleroi Brussels

Sun 10/4

10:15 am-7:45 pm

2 stops39h 30m

$702

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Sun 9/20

9:15 pm-9:25 pm

1 stop18h 10m

Charleroi Brussels

Sat 10/3

7:30 pm-7:45 pm

2 stops30h 15m

$703

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Mon 9/21

11:35 pm-8:25 am

1 stop26h 50m

Charleroi Brussels

Sun 10/4

10:15 am-7:45 pm

2 stops39h 30m

$709

BostonBrussels

BOS Boston Logan Intl - CRL Charleroi Brussels

BOSCRL

Boston Logan Intl

Mon 9/21

11:35 pm-8:25 am

1 stop26h 50m

Charleroi Brussels

Sun 10/4

10:15 am-7:45 pm

2 stops39h 30m

$712

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 Boston to Charleroi Brussels Airport

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

Cheap Boston to Charleroi Brussels Airport (BOS to CRL) flight deals and tips

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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from Boston to Charleroi Brussels Airport takes 9h 15m
There are no direct flights from Boston to Charleroi Brussels Airport. There are no popular flight routes from Boston to Charleroi Brussels Airport.
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Frequently asked questions about flying from Boston to Charleroi Brussels Airport

  • How far is Boston Logan Intl to Charleroi Brussels by plane?

    The distance between Boston Logan Intl and Charleroi Brussels is about 3480.6 mi. A reasonable flight in good conditions will take 9h 15m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Charleroi Brussels Airport?

    Prices for flights from Boston Logan Intl Airport to Charleroi Brussels Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Boston Logan Intl Airport to Charleroi Brussels Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan 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 Boston to Charleroi Brussels Airport

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Boston from Charleroi Brussels Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

Finding the right flight to Brussels from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Brussels from Boston with this policy.

How can momondo help me find flights from Boston to Brussels?

momondo helps you find the best flight between Boston 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 Boston to Brussels right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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