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Cheap flights from Portland, Maine to Brussels from $726

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Brussels departing on 11/15. 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 Portland, Maine to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:45 am - 1:15 pmPWM  Portland-BRU Brussels Bruxelles-National
22h 30m2 stops Newark London Heathrow
United Airlines Logo
10:00 am - 9:52 pmBRU  Brussels Bruxelles-National-PWM Portland
41h 52m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$726United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
8:45 am - 1:15 pmPWM  Portland-BRU Brussels Bruxelles-National
22h 30m2 stops Newark London Heathrow
United Airlines Logo
10:00 am - 9:52 pmBRU  Brussels Bruxelles-National-PWM Portland
41h 52m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$727United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
8:45 am - 8:05 amPWM  Portland-BRU Brussels Bruxelles-National
17h 20m1 stop Newark
United Airlines Logo
10:00 am - 9:52 pmBRU  Brussels Bruxelles-National-PWM Portland
41h 52m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$730United Airlines
Sun, Nov 15 - Thu, Nov 19
Scandinavian Airlines Logo
6:02 am - 12:00 pmPWM  Portland-BRU Brussels Bruxelles-National
23h 58m2 stops New York John F Kennedy Intl Oslo Gardermoen
Scandinavian Airlines Logo
10:20 am - 11:56 pmBRU  Brussels Bruxelles-National-PWM Portland
19h 36m2 stops Kastrup Copenhagen New York John F Kennedy Intl
$891Scandinavian Airlines
Sat, Sep 12 - Wed, Sep 23
Multiple Airlines Logo
9:10 am - 7:10 amPWM  Portland-BRU Brussels Bruxelles-National
16h 00m3 stops Newark Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
9:10 am - 11:32 pmBRU  Brussels Bruxelles-National-PWM Portland
20h 22m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$991Multiple Airlines
Sat, Sep 12 - Wed, Sep 23
Multiple Airlines Logo
6:00 am - 7:50 amPWM  Portland-BRU Brussels Bruxelles-National
19h 50m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:00 am - 9:06 amBRU  Brussels Bruxelles-National-PWM Portland
29h 06m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Newark
$1,606Multiple Airlines
Thu, Dec 24 - Thu, Dec 31
Air Canada Logo
6:00 am - 7:50 amPWM  Portland-BRU Brussels Bruxelles-National
19h 50m3 stops Newark Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:00 am - 9:06 amBRU  Brussels Bruxelles-National-PWM Portland
29h 06m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Newark
$1,614Air Canada
Thu, Dec 24 - Thu, Dec 31
Air Canada Logo
9:10 am - 7:10 amPWM  Portland-BRU Brussels Bruxelles-National
16h 00m3 stops Newark Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:55 am - 11:32 pmBRU  Brussels Bruxelles-National-PWM Portland
19h 37m3 stops London Heathrow Montreal Pierre Elliott Trudeau Intl Newark
$2,220Air Canada
Sat, Sep 12 - Wed, Sep 23

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United Airlines flights from Portland, Maine to Brussels Bruxelles-National Airport

Our best United Airlines deals on Portland, Maine to Brussels Bruxelles-National Airport flight tickets
United Airlines
Nov 15
PWM8:45 amPortland
22h 30m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Nov 19
BRU10:00 amBrussels Bruxelles-National
41h 52m
2 stops
PWM9:52 pmPortland
$726
United Airlines
Nov 15
PWM8:45 amPortland
22h 30m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Nov 19
BRU10:00 amBrussels Bruxelles-National
41h 52m
2 stops
PWM9:52 pmPortland
$727
United Airlines
Nov 15
PWM8:45 amPortland
17h 20m
1 stop
BRU8:05 amBrussels Bruxelles-National
Nov 19
BRU10:00 amBrussels Bruxelles-National
41h 52m
2 stops
PWM9:52 pmPortland
$730

Air Canada flights from Portland, Maine to Brussels Bruxelles-National Airport

Our best Air Canada deals on Portland, Maine to Brussels Bruxelles-National Airport flight tickets
Air Canada
Dec 24
PWM6:00 amPortland
19h 50m
3 stops
BRU7:50 amBrussels Bruxelles-National
Dec 31
BRU10:00 amBrussels Bruxelles-National
29h 06m
3 stops
PWM9:06 amPortland
$1,614
Air Canada
Sep 12
PWM9:10 amPortland
16h 00m
3 stops
BRU7:10 amBrussels Bruxelles-National
Sep 23
BRU9:55 amBrussels Bruxelles-National
19h 37m
3 stops
PWM11:32 pmPortland
$2,220

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Brussels Bruxelles-National 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 8, 2026.
Use the filters below to find and compare flights from Portland, Maine to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Sun 11/15

8:45 am-1:15 pm

2 stops22h 30m

Brussels Bruxelles-National

Thu 11/19

10:00 am-9:52 pm

2 stops41h 52m

$726

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Sun 11/15

8:45 am-1:15 pm

2 stops22h 30m

Brussels Bruxelles-National

Thu 11/19

10:00 am-9:52 pm

2 stops41h 52m

$727

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Sun 11/15

8:45 am-8:05 am

1 stop17h 20m

Brussels Bruxelles-National

Thu 11/19

10:00 am-9:52 pm

2 stops41h 52m

$730

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Sat 9/12

6:02 am-12:00 pm

2 stops23h 58m

Brussels Bruxelles-National

Wed 9/23

10:20 am-11:56 pm

2 stops19h 36m

$891

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Sat 9/12

9:10 am-7:10 am

3 stops16h 00m

Brussels Bruxelles-National

Wed 9/23

9:10 am-11:32 pm

2 stops20h 22m

$991

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Thu 12/24

6:00 am-7:50 am

2 stops19h 50m

Brussels Bruxelles-National

Thu 12/31

10:00 am-9:06 am

3 stops29h 06m

$1,606

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Thu 12/24

6:00 am-7:50 am

3 stops19h 50m

Brussels Bruxelles-National

Thu 12/31

10:00 am-9:06 am

3 stops29h 06m

$1,614
Quickest round-trip

PortlandBrussels

PWM Portland - BRU Brussels Bruxelles-National

PWMBRU

Portland

Sat 9/12

9:10 am-7:10 am

3 stops16h 00m

Brussels Bruxelles-National

Wed 9/23

9:55 am-11:32 pm

3 stops19h 37m

$2,220

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Brussels from

How to get the cheapest flight ticket from Portland, Maine to Brussels Bruxelles-National Airport

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 airlines fly to Brussels Bruxelles-National Airport?

Icelandair, United Airlines and Brussels Airlines are the top three most popular airlines that fly to Brussels Bruxelles-National Airport from Portland, Maine according to our data. Icelandair is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Brussels Bruxelles-National Airport. Keep in mind that there are 12 different airlines that fly to Brussels Bruxelles-National Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland, Maine to Brussels Bruxelles-National Airport

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

Cheap Portland, Maine to Brussels Bruxelles-National Airport (PWM to BRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Brussels Bruxelles-National Airport

Fastest flight time

22h 30m

Direct flights

None
The fastest flight from Portland, Maine to Brussels Bruxelles-National Airport takes 22h 30m
There are no direct flights from Portland, Maine to Brussels Bruxelles-National Airport. There are no popular flight routes from Portland, Maine to Brussels Bruxelles-National Airport.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Brussels Bruxelles-National Airport

  • How far is Portland to Brussels Bruxelles-National by plane?

    Brussels Bruxelles-National is 3384.2 mi away from Portland. In terms of flight time, this usually takes a little over 22h 30m.

  • When did momondo last update prices for flights from Portland Airport to Brussels Bruxelles-National Airport?

    Prices for flights from Portland Airport to Brussels Bruxelles-National Airport are updated daily.

  • How old do you have to be to fly from Portland Airport to Brussels Bruxelles-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents required for your trip to Brussels Bruxelles-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brussels Bruxelles-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Dinant
Mons
Durbuy
Zaventem
Charleroi
Genk
Hasselt
Waterloo
Aalst
Namur
Knokke-Heist
Spa
Mechelen
Tournai
Francorchamps
Oostkamp
Halle

Why use momondo?

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

It is quick and easy to find Portland to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

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

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

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

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 Brussels from Portland.

I’m not ready to book a flight from Portland to Brussels right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.

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