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Cheap flights from Idaho to Belgium from $504

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Belgium departing on 2/20. 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 Idaho to Belgium

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 1:15 pm
BOI
-
BRU
24h 15m2 stops
United Airlines Logo
10:10 am - 6:47 pm
BRU
-
BOI
16h 37m1 stop
$504United Airlines
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
8:41 am - 1:15 pm
BOI
-
BRU
20h 34m2 stops
United Airlines Logo
10:10 am - 6:47 pm
BRU
-
BOI
16h 37m1 stop
$505United Airlines
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
10:28 am - 7:50 am
BOI
-
BRU
37h 22m2 stops
Air Canada Logo
10:00 am - 9:32 pm
BRU
-
BOI
43h 32m2 stops
$506Air Canada
Sun, Feb 8 - Sun, Feb 15
United Airlines Logo
6:25 am - 1:15 pm
BOI
-
BRU
22h 50m2 stops
United Airlines Logo
10:00 am - 10:12 am
BRU
-
BOI
32h 12m2 stops
$508United Airlines
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
8:15 am - 8:55 am
BOI
-
BRU
16h 40m1 stop
United Airlines Logo
11:55 am - 9:32 pm
BRU
-
BOI
17h 37m2 stops
$553United Airlines
Sun, Feb 8 - Sun, Feb 15
United Airlines Logo
12:16 pm - 8:55 am
BOI
-
BRU
12h 39m1 stop
United Airlines Logo
10:10 am - 6:47 pm
BRU
-
BOI
16h 37m1 stop
$594United Airlines
Fri, Feb 20 - Tue, Feb 24
Multiple Airlines Logo
8:15 am - 8:55 am
BOI
-
BRU
16h 40m1 stop
Multiple Airlines Logo
10:00 am - 10:12 am
BRU
-
BOI
32h 12m2 stops
$602Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Lufthansa Logo
8:15 am - 8:55 am
BOI
-
BRU
16h 40m1 stop
Lufthansa Logo
10:10 am - 10:56 pm
BRU
-
BOI
20h 46m1 stop
$795Lufthansa
Sun, Feb 8 - Sun, Feb 15
United Airlines Logo
8:05 am - 8:00 pm
BOI
-
BRU
27h 55m2 stops
United Airlines Logo
12:00 pm - 9:43 am
BRU
-
BOI
29h 43m2 stops
$955United Airlines
Tue, Jun 9 - Wed, Jul 1
Delta Logo
11:30 pm - 7:40 am
BOI
-
BRU
24h 10m1 stop
Delta Logo
8:00 am - 11:59 pm
BRU
-
BOI
23h 59m2 stops
$1,151Delta
Tue, Jun 9 - Wed, Jul 1

United Airlines flights from Idaho to Belgium

Our best United Airlines deals on Idaho to Belgium flight tickets
United Airlines
Feb 20
BOI5:00 amBoise Air Term. Gowen Fld
24h 15m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Feb 24
BRU10:10 amBrussels Bruxelles-National
16h 37m
1 stop
BOI6:47 pmBoise Air Term. Gowen Fld
$504
Find similar
United Airlines
Feb 20
BOI8:41 amBoise Air Term. Gowen Fld
20h 34m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Feb 24
BRU10:10 amBrussels Bruxelles-National
16h 37m
1 stop
BOI6:47 pmBoise Air Term. Gowen Fld
$505
Find similar
United Airlines
Feb 20
BOI6:25 amBoise Air Term. Gowen Fld
22h 50m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Feb 24
BRU10:00 amBrussels Bruxelles-National
32h 12m
2 stops
BOI10:12 amBoise Air Term. Gowen Fld
$508
Find similar

Air Canada flights from Idaho to Belgium

Our best Air Canada deals on Idaho to Belgium flight tickets
Air Canada
Feb 8
BOI10:28 amBoise Air Term. Gowen Fld
37h 22m
2 stops
BRU7:50 amBrussels Bruxelles-National
Feb 15
BRU10:00 amBrussels Bruxelles-National
43h 32m
2 stops
BOI9:32 pmBoise Air Term. Gowen Fld
$506
Find similar
Air Canada
Jun 9
BOI5:22 pmBoise Air Term. Gowen Fld
30h 28m
2 stops
BRU7:50 amBrussels Bruxelles-National
Jul 1
BRU9:25 amBrussels Bruxelles-National
34h 37m
2 stops
BOI12:02 pmBoise Air Term. Gowen Fld
$1,219
Find similar
Air Canada
Feb 8
BOI2:37 pmBoise Air Term. Gowen Fld
33h 13m
3 stops
BRU7:50 amBrussels Bruxelles-National
Feb 15
BRU2:25 pmBrussels Bruxelles-National
30h 08m
3 stops
BOI12:33 pmBoise Air Term. Gowen Fld
$1,977
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Belgium 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 27, 2025.
Use the filters below to find and compare flights from Idaho to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Fri 2/20

5:00 am-1:15 pm

2 stops24h 15m

Brussels Bruxelles-National

Tue 2/24

10:10 am-6:47 pm

1 stop16h 37m

$504

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Fri 2/20

8:41 am-1:15 pm

2 stops20h 34m

Brussels Bruxelles-National

Tue 2/24

10:10 am-6:47 pm

1 stop16h 37m

$505

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 2/8

10:28 am-7:50 am

2 stops37h 22m

Brussels Bruxelles-National

Sun 2/15

10:00 am-9:32 pm

2 stops43h 32m

$506

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Fri 2/20

6:25 am-1:15 pm

2 stops22h 50m

Brussels Bruxelles-National

Tue 2/24

10:00 am-10:12 am

2 stops32h 12m

$508

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 2/8

8:15 am-8:55 am

1 stop16h 40m

Brussels Bruxelles-National

Sun 2/15

11:55 am-9:32 pm

2 stops17h 37m

$553

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Fri 2/20

12:16 pm-8:55 am

1 stop12h 39m

Brussels Bruxelles-National

Tue 2/24

10:10 am-6:47 pm

1 stop16h 37m

$594

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Mon 2/9

8:15 am-8:55 am

1 stop16h 40m

Brussels Bruxelles-National

Mon 2/16

10:00 am-10:12 am

2 stops32h 12m

$602

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 2/8

8:15 am-8:55 am

1 stop16h 40m

Brussels Bruxelles-National

Sun 2/15

10:10 am-10:56 pm

1 stop20h 46m

$795

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 6/9

8:05 am-8:00 pm

2 stops27h 55m

Brussels Bruxelles-National

Wed 7/1

12:00 pm-9:43 am

2 stops29h 43m

$955

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 6/9

11:30 pm-7:40 am

1 stop24h 10m

Brussels Bruxelles-National

Wed 7/1

8:00 am-11:59 pm

2 stops23h 59m

$1,151

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belgium from

How to get the cheapest flight ticket from Idaho to Belgium

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 Belgium?

Our data shows that Tuesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $859. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $2,383. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the afternoon. Flights from Idaho to Belgium during this time can be as low as $1,025. Flights to Belgium are more costly in the morning, with an average ticket price of $1,451. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Idaho to Belgium flights?

You could potentially save up to 26% on your flight if you consider stops on a Idaho to Belgium flight.

Cheap Idaho to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Belgium

Fastest flight time

20h 34m

Direct flights

None
The fastest flight from Idaho to Belgium takes 20h 34m
There are no direct flights from Idaho to Belgium. There are no popular flight routes from Idaho to Belgium.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Belgium?

    Prices for flights from Idaho to Belgium were last updated today.

  • How many operators does momondo search for flights from Idaho to Belgium?

  • How old do you have to be to fly from Idaho to Belgium?

    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 Idaho to Belgium.

  • What documentation or ID do you need to fly to Belgium?

    The travel and health documents you'll need for your trip to Belgium may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Belgium

Compare and see reviews for airlines that fly from Idaho to Belgium with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $637Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Belgium?

It is quick and easy to find Idaho to Belgium 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 Belgium that suits you.

Can I find flights from Idaho to Belgium with flexible booking policies on momondo?

Yes. All flights to Belgium from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to Belgium?

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 Belgium from Idaho.

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

If you are simply researching potential flights to Belgium, momondo offers a useful price alert feature which will track prices for flights to Belgium from Idaho and alert you when they change.

An easier way to manage your Belgium trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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