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Cheap flights from Montana to Brussels from $507

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Brussels departing on 2/11. 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
0 bags

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Find the cheapest flights from Montana to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:52 am - 8:55 am
BIL
-
BRU
38h 03m2 stops
United Airlines Logo
10:00 am - 9:21 pm
BRU
-
BIL
43h 21m2 stops
$507United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
1:40 pm - 1:15 pm
FCA
-
BRU
39h 35m2 stops
United Airlines Logo
10:00 am - 12:59 pm
BRU
-
FCA
34h 59m2 stops
$507United Airlines
Fri, Jan 23 - Fri, Jan 30
United Airlines Logo
2:37 pm - 8:55 am
MSO
-
BRU
34h 18m2 stops
United Airlines Logo
10:00 am - 9:57 pm
BRU
-
MSO
43h 57m2 stops
$507United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
6:30 am - 1:15 pm
BIL
-
BRU
22h 45m2 stops
United Airlines Logo
11:55 am - 9:21 pm
BRU
-
BIL
17h 26m2 stops
$508United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
6:00 am - 1:15 pm
FCA
-
BRU
23h 15m2 stops
United Airlines Logo
10:10 am - 9:59 pm
BRU
-
FCA
19h 49m2 stops
$508United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
5:15 pm - 1:15 pm
MSO
-
BRU
36h 00m2 stops
United Airlines Logo
10:10 am - 9:57 pm
BRU
-
MSO
19h 47m2 stops
$508United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
1:40 pm - 1:15 pm
FCA
-
BRU
39h 35m2 stops
United Airlines Logo
10:10 am - 12:03 pm
BRU
-
FCA
33h 53m1 stop
$509United Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
6:25 am - 1:40 pm
FCA
-
BRU
23h 15m2 stops
Multiple Airlines Logo
9:50 am - 11:58 pm
BRU
-
FCA
22h 08m3 stops
$802Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
United Airlines Logo
2:41 pm - 1:15 pm
MSO
-
BRU
38h 34m2 stops
United Airlines Logo
10:10 am - 9:41 pm
BRU
-
MSO
19h 31m2 stops
$2,027United Airlines
Sat, Dec 27 - Thu, Jan 1
Multiple Airlines Logo
5:20 am - 8:55 am
MSO
-
BRU
19h 35m2 stops
Multiple Airlines Logo
10:10 am - 12:48 pm
BRU
-
MSO
34h 38m1 stop
$6,666Multiple Airlines
Sat, Dec 27 - Thu, Jan 1

United Airlines flights from Montana to Brussels Bruxelles-National Airport

Our best United Airlines deals on Montana to Brussels Bruxelles-National Airport flight tickets
United Airlines
Feb 11
BIL10:52 amBillings Logan Intl
38h 03m
2 stops
BRU8:55 amBrussels Bruxelles-National
Feb 15
BRU10:00 amBrussels Bruxelles-National
43h 21m
2 stops
BIL9:21 pmBillings Logan Intl
$507
Find similar
United Airlines
Jan 23
FCA6:00 amKalispell Glacier Park
23h 15m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 27
BRU10:10 amBrussels Bruxelles-National
19h 49m
2 stops
FCA9:59 pmKalispell Glacier Park
$508
Find similar
United Airlines
Jan 23
FCA1:40 pmKalispell Glacier Park
39h 35m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 30
BRU10:10 amBrussels Bruxelles-National
33h 53m
1 stop
FCA12:03 pmKalispell Glacier Park
$509
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 December 11, 2025.
Use the filters below to find and compare flights from Montana to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsBrussels

BIL - BRU

BILBRU

Billings Logan Intl

Wed 2/11

10:52 am-8:55 am

2 stops38h 03m

Brussels Bruxelles-National

Sun 2/15

10:00 am-9:21 pm

2 stops43h 21m

$507

KalispellBrussels

FCA - BRU

FCABRU

Kalispell Glacier Park

Fri 1/23

1:40 pm-1:15 pm

2 stops39h 35m

Brussels Bruxelles-National

Fri 1/30

10:00 am-12:59 pm

2 stops34h 59m

$507

MissoulaBrussels

MSO - BRU

MSOBRU

Missoula Johnson-Bell Field

Wed 2/11

2:37 pm-8:55 am

2 stops34h 18m

Brussels Bruxelles-National

Sun 2/15

10:00 am-9:57 pm

2 stops43h 57m

$507

BillingsBrussels

BIL - BRU

BILBRU

Billings Logan Intl

Wed 2/11

6:30 am-1:15 pm

2 stops22h 45m

Brussels Bruxelles-National

Sun 2/15

11:55 am-9:21 pm

2 stops17h 26m

$508

KalispellBrussels

FCA - BRU

FCABRU

Kalispell Glacier Park

Fri 1/23

6:00 am-1:15 pm

2 stops23h 15m

Brussels Bruxelles-National

Tue 1/27

10:10 am-9:59 pm

2 stops19h 49m

$508

MissoulaBrussels

MSO - BRU

MSOBRU

Missoula Johnson-Bell Field

Wed 2/11

5:15 pm-1:15 pm

2 stops36h 00m

Brussels Bruxelles-National

Sun 2/15

10:10 am-9:57 pm

2 stops19h 47m

$508

KalispellBrussels

FCA - BRU

FCABRU

Kalispell Glacier Park

Fri 1/23

1:40 pm-1:15 pm

2 stops39h 35m

Brussels Bruxelles-National

Fri 1/30

10:10 am-12:03 pm

1 stop33h 53m

$509

KalispellBrussels

FCA - BRU

FCABRU

Kalispell Glacier Park

Fri 1/23

6:25 am-1:40 pm

2 stops23h 15m

Brussels Bruxelles-National

Fri 1/30

9:50 am-11:58 pm

3 stops22h 08m

$802

MissoulaBrussels

MSO - BRU

MSOBRU

Missoula Johnson-Bell Field

Sat 12/27

2:41 pm-1:15 pm

2 stops38h 34m

Brussels Bruxelles-National

Thu 1/1

10:10 am-9:41 pm

2 stops19h 31m

$2,027

MissoulaBrussels

MSO - BRU

MSOBRU

Missoula Johnson-Bell Field

Sat 12/27

5:20 am-8:55 am

2 stops19h 35m

Brussels Bruxelles-National

Thu 1/1

10:10 am-12:48 pm

1 stop34h 38m

$6,666

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 Montana 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 is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from Montana to Brussels Bruxelles-National Airport is on a Friday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Friday will often find tickets for as low as $999. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Montana to Brussels Bruxelles-National Airport for around $1,636.

Cheap Montana to Brussels Bruxelles-National Airport flight deals and tips

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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from Montana to Brussels Bruxelles-National Airport takes 14h 30m
There are no direct flights from Montana to Brussels Bruxelles-National Airport. There are no popular flight routes from Montana to Brussels Bruxelles-National Airport.
Search flight deals

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

    Prices for flights from Montana to Brussels Bruxelles-National Airport refresh daily.

  • How old do you have to be to fly from Montana to Brussels Bruxelles-National 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 Montana to Brussels Bruxelles-National Airport.

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

    The required travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels Bruxelles-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Montana to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Montana to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $648Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Traveling to a place near Brussels?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brussels from Montana.

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

Flights from Montana to Brussels with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Montana to Brussels flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Montana to Brussels flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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