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Cheap flights from Montana to Brussels from $600

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Brussels departing on 9/5. 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 Montana to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:29 pm - 1:15 pmFCA  Kalispell Glacier Park-BRU Brussels Bruxelles-National
14h 46m2 stops Denver Intl London Heathrow
United Airlines Logo
10:10 am - 9:30 pmBRU  Brussels Bruxelles-National-FCA Kalispell Glacier Park
19h 20m2 stops Chicago O'Hare Intl Denver Intl
$739United Airlines
Sun, Dec 6 - Thu, Dec 10
United Airlines Logo
6:31 am - 1:15 pmFCA  Kalispell Glacier Park-BRU Brussels Bruxelles-National
22h 44m2 stops Denver Intl London Heathrow
United Airlines Logo
10:00 am - 1:20 pmBRU  Brussels Bruxelles-National-FCA Kalispell Glacier Park
35h 20m2 stops Montreal Pierre Elliott Trudeau Intl Los Angeles
$744United Airlines
Tue, Jan 12 - Fri, Jan 15
United Airlines Logo
2:00 pm - 1:15 pmFCA  Kalispell Glacier Park-BRU Brussels Bruxelles-National
39h 15m2 stops Los Angeles London Heathrow
United Airlines Logo
10:10 am - 1:20 pmBRU  Brussels Bruxelles-National-FCA Kalispell Glacier Park
35h 10m2 stops Chicago O'Hare Intl Los Angeles
$745United Airlines
Tue, Jan 12 - Fri, Jan 15
United Airlines Logo
2:27 pm - 1:15 pmMSO  Missoula Johnson-Bell Field-BRU Brussels Bruxelles-National
14h 48m2 stops Denver Intl London Heathrow
United Airlines Logo
10:10 am - 9:26 pmBRU  Brussels Bruxelles-National-MSO Missoula Johnson-Bell Field
19h 16m2 stops Chicago O'Hare Intl Denver Intl
$757United Airlines
Mon, Jan 11 - Wed, Jan 13
United Airlines Logo
6:15 am - 1:15 pmMSO  Missoula Johnson-Bell Field-BRU Brussels Bruxelles-National
23h 00m2 stops Denver Intl London Heathrow
United Airlines Logo
11:15 am - 4:10 pmBRU  Brussels Bruxelles-National-MSO Missoula Johnson-Bell Field
36h 55m3 stops Newark Phoenix Sky Harbor Intl Denver Intl
$757United Airlines
Mon, Jan 11 - Wed, Jan 13
United Airlines Logo
6:15 am - 8:50 amMSO  Missoula Johnson-Bell Field-BRU Brussels Bruxelles-National
42h 35m2 stops Denver Intl London Heathrow
United Airlines Logo
11:15 am - 1:27 pmBRU  Brussels Bruxelles-National-MSO Missoula Johnson-Bell Field
34h 12m2 stops Newark Denver Intl
$757United Airlines
Tue, Jan 12 - Fri, Jan 15
United Airlines Logo
2:27 pm - 1:15 pmMSO  Missoula Johnson-Bell Field-BRU Brussels Bruxelles-National
14h 48m2 stops Denver Intl London Heathrow
United Airlines Logo
10:10 am - 9:26 pmBRU  Brussels Bruxelles-National-MSO Missoula Johnson-Bell Field
19h 16m2 stops Chicago O'Hare Intl Denver Intl
$757United Airlines
Tue, Jan 12 - Fri, Jan 15
United Airlines Logo
7:00 am - 8:50 amBIL  Billings Logan Intl-BRU Brussels Bruxelles-National
41h 50m2 stops Denver Intl London Heathrow
United Airlines Logo
1:45 pm - 8:51 pmBRU  Brussels Bruxelles-National-BIL Billings Logan Intl
39h 06m2 stops Munich Franz Josef Strauss Denver Intl
$759United Airlines
Mon, Jan 11 - Mon, Feb 8
United Airlines Logo
7:00 am - 8:50 amBIL  Billings Logan Intl-BRU Brussels Bruxelles-National
41h 50m2 stops Denver Intl London Heathrow
United Airlines Logo
1:45 pm - 8:51 pmBRU  Brussels Bruxelles-National-BIL Billings Logan Intl
39h 06m2 stops Munich Franz Josef Strauss Denver Intl
$760United Airlines
Mon, Jan 11 - Mon, Feb 8
Multiple Airlines Logo
2:40 pm - 1:15 pmBIL  Billings Logan Intl-BRU Brussels Bruxelles-National
14h 35m2 stops Denver Intl London Heathrow
Multiple Airlines Logo
10:10 am - 9:19 pmBRU  Brussels Bruxelles-National-BIL Billings Logan Intl
19h 09m2 stops Chicago O'Hare Intl Denver Intl
$789Multiple Airlines
Wed, Dec 9 - Thu, Dec 17

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Brussels Airlines flights from Montana to Brussels Bruxelles-National Airport

Our best Brussels Airlines deals on Montana to Brussels Bruxelles-National Airport flight tickets
Brussels Airlines
Sep 4
FCA2:31 pmKalispell Glacier Park
14h 44m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Sep 12
BRU10:15 amBrussels Bruxelles-National
17h 29m
1 stop
FCA7:44 pmKalispell Glacier Park
$1,279
Brussels Airlines
Sep 4
FCA12:33 pmKalispell Glacier Park
12h 27m
1 stop
BRU9:00 amBrussels Bruxelles-National
Sep 12
BRU10:15 amBrussels Bruxelles-National
17h 29m
1 stop
FCA7:44 pmKalispell Glacier Park
$1,282
Brussels Airlines
Sep 5
FCA12:40 pmKalispell Glacier Park
35h 00m
1 stop
BRU7:40 amBrussels Bruxelles-National
Sep 10
BRU10:15 amBrussels Bruxelles-National
33h 14m
1 stop
FCA11:29 amKalispell Glacier Park
$1,462

Lufthansa flights from Montana to Brussels Bruxelles-National Airport

Our best Lufthansa deals on Montana to Brussels Bruxelles-National Airport flight tickets
Lufthansa
Sep 5
MSO12:23 pmMissoula Johnson-Bell Field
12h 37m
1 stop
BRU9:00 amBrussels Bruxelles-National
Sep 10
BRU10:15 amBrussels Bruxelles-National
33h 29m
1 stop
MSO11:44 amMissoula Johnson-Bell Field
$1,775
Lufthansa
Sep 5
FCA12:33 pmKalispell Glacier Park
12h 27m
1 stop
BRU9:00 amBrussels Bruxelles-National
Sep 11
BRU10:15 amBrussels Bruxelles-National
16h 49m
1 stop
FCA7:04 pmKalispell Glacier Park
$1,800
Lufthansa
Sep 5
MSO12:23 pmMissoula Johnson-Bell Field
12h 37m
1 stop
BRU9:00 amBrussels Bruxelles-National
Sep 12
BRU10:15 amBrussels Bruxelles-National
33h 29m
1 stop
MSO11:44 amMissoula Johnson-Bell Field
$1,909

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 August 16, 2026.
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

Cheapest round-trip

KalispellBrussels

FCA Kalispell Glacier Park - BRU Brussels Bruxelles-National

FCABRU

Kalispell Glacier Park

Sun 12/6

2:29 pm-1:15 pm

2 stops14h 46m

Brussels Bruxelles-National

Thu 12/10

10:10 am-9:30 pm

2 stops19h 20m

$739

KalispellBrussels

FCA Kalispell Glacier Park - BRU Brussels Bruxelles-National

FCABRU

Kalispell Glacier Park

Tue 1/12

6:31 am-1:15 pm

2 stops22h 44m

Brussels Bruxelles-National

Fri 1/15

10:00 am-1:20 pm

2 stops35h 20m

$744

KalispellBrussels

FCA Kalispell Glacier Park - BRU Brussels Bruxelles-National

FCABRU

Kalispell Glacier Park

Tue 1/12

2:00 pm-1:15 pm

2 stops39h 15m

Brussels Bruxelles-National

Fri 1/15

10:10 am-1:20 pm

2 stops35h 10m

$745

MissoulaBrussels

MSO Missoula Johnson-Bell Field - BRU Brussels Bruxelles-National

MSOBRU

Missoula Johnson-Bell Field

Mon 1/11

2:27 pm-1:15 pm

2 stops14h 48m

Brussels Bruxelles-National

Wed 1/13

10:10 am-9:26 pm

2 stops19h 16m

$757

MissoulaBrussels

MSO Missoula Johnson-Bell Field - BRU Brussels Bruxelles-National

MSOBRU

Missoula Johnson-Bell Field

Mon 1/11

6:15 am-1:15 pm

2 stops23h 00m

Brussels Bruxelles-National

Wed 1/13

11:15 am-4:10 pm

3 stops36h 55m

$757

MissoulaBrussels

MSO Missoula Johnson-Bell Field - BRU Brussels Bruxelles-National

MSOBRU

Missoula Johnson-Bell Field

Tue 1/12

6:15 am-8:50 am

2 stops42h 35m

Brussels Bruxelles-National

Fri 1/15

11:15 am-1:27 pm

2 stops34h 12m

$757

MissoulaBrussels

MSO Missoula Johnson-Bell Field - BRU Brussels Bruxelles-National

MSOBRU

Missoula Johnson-Bell Field

Tue 1/12

2:27 pm-1:15 pm

2 stops14h 48m

Brussels Bruxelles-National

Fri 1/15

10:10 am-9:26 pm

2 stops19h 16m

$757

BillingsBrussels

BIL Billings Logan Intl - BRU Brussels Bruxelles-National

BILBRU

Billings Logan Intl

Mon 1/11

7:00 am-8:50 am

2 stops41h 50m

Brussels Bruxelles-National

Mon 2/8

1:45 pm-8:51 pm

2 stops39h 06m

$759

BillingsBrussels

BIL Billings Logan Intl - BRU Brussels Bruxelles-National

BILBRU

Billings Logan Intl

Mon 1/11

7:00 am-8:50 am

2 stops41h 50m

Brussels Bruxelles-National

Mon 2/8

1:45 pm-8:51 pm

2 stops39h 06m

$760
Quickest round-trip

BillingsBrussels

BIL Billings Logan Intl - BRU Brussels Bruxelles-National

BILBRU

Billings Logan Intl

Wed 12/9

2:40 pm-1:15 pm

2 stops14h 35m

Brussels Bruxelles-National

Thu 12/17

10:10 am-9:19 pm

2 stops19h 09m

$789

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

Can stopping save me money on Montana to Brussels Bruxelles-National Airport flights?

You could potentially save up to 35% on your flight if you consider stops on a Montana to Brussels Bruxelles-National Airport flight.

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 35m

Direct flights

None
The fastest flight from Montana to Brussels Bruxelles-National Airport takes 14h 35m
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.
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Frequently asked questions about flying from Montana to Brussels Bruxelles-National Airport

  • 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.

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
Aalst
Waterloo
Namur
Knokke-Heist
Spa
Hasselt
Mechelen
Francorchamps
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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