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Cheap flights from Idaho to Belgium from $561

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 12/4. 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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Cheap round-trip flights

Scandinavian Airlines Logo
3:54 pm - 9:40 amBOI-BRU
33h 46m2 stops
Scandinavian Airlines Logo
3:10 pm - 10:36 pmBRU-BOI
39h 26m2 stops
$561Scandinavian Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
2:49 pm - 1:15 pmBOI-BRU
14h 26m2 stops
United Airlines Logo
10:10 am - 10:45 pmBRU-BOI
20h 35m1 stop
$711United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
8:15 am - 8:55 amBOI-BRU
16h 40m1 stop
United Airlines Logo
10:10 am - 10:45 pmBRU-BOI
20h 35m1 stop
$1,069United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Icelandair Logo
1:35 pm - 12:50 pmBOI-BRU
15h 15m2 stops
Icelandair Logo
12:50 pm - 10:20 pmBRU-BOI
16h 30m2 stops
$5,442Icelandair
Find Deal
Sun, Oct 19 - Thu, Oct 30
Icelandair Logo
1:35 pm - 12:50 pmBOI-BRU
15h 15m2 stops
Icelandair Logo
12:50 pm - 10:20 pmBRU-BOI
16h 30m2 stops
$5,513Icelandair
Find Deal
Sun, Oct 19 - Thu, Oct 30
Lufthansa Logo
8:20 am - 9:00 amBOI-BRU
16h 40m1 stop
Lufthansa Logo
9:35 am - 9:21 pmBRU-BOI
18h 46m2 stops
$6,053Lufthansa
Find Deal
Sun, Oct 19 - Thu, Oct 30
Lufthansa Logo
8:20 am - 9:00 amBOI-BRU
16h 40m1 stop
Lufthansa Logo
10:10 am - 10:45 pmBRU-BOI
19h 35m1 stop
$6,131Lufthansa
Find Deal
Sun, Oct 19 - Thu, Oct 30
Lufthansa Logo
10:45 am - 1:00 pmBOI-BRU
18h 15m2 stops
Lufthansa Logo
10:10 am - 10:45 pmBRU-BOI
19h 35m1 stop
$6,154Lufthansa
Find Deal
Sun, Oct 19 - Thu, Oct 30
Lufthansa Logo
8:20 am - 9:00 amBOI-BRU
16h 40m1 stop
Lufthansa Logo
10:10 am - 10:45 pmBRU-BOI
19h 35m1 stop
$6,353Lufthansa
Find Deal
Sun, Oct 19 - Thu, Oct 30
Scandinavian Airlines Logo
2:00 pm - 8:35 pmBOI-BRU
22h 35m3 stops
Scandinavian Airlines Logo
10:20 am - 10:52 pmBRU-BOI
19h 32m2 stops
$7,306Scandinavian Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 30

Icelandair flights from Idaho to Belgium

Our best Icelandair deals on Idaho to Belgium flight tickets
Icelandair
Oct 19
BOI1:35 pmBoise Air Term. Gowen Fld
15h 15m
2 stops
BRU12:50 pmBrussels Bruxelles-National
Oct 30
BRU12:50 pmBrussels Bruxelles-National
16h 30m
2 stops
BOI10:20 pmBoise Air Term. Gowen Fld
$5,442
Find similar
Icelandair
Oct 19
BOI1:35 pmBoise Air Term. Gowen Fld
15h 15m
2 stops
BRU12:50 pmBrussels Bruxelles-National
Oct 30
BRU12:50 pmBrussels Bruxelles-National
16h 30m
2 stops
BOI10:20 pmBoise Air Term. Gowen Fld
$5,513
Find similar

Lufthansa flights from Idaho to Belgium

Our best Lufthansa deals on Idaho to Belgium flight tickets
Lufthansa
Sep 23
BOI12:27 pmBoise Air Term. Gowen Fld
12h 33m
1 stop
BRU9:00 amBrussels Bruxelles-National
Sep 25
BRU10:15 amBrussels Bruxelles-National
16h 32m
1 stop
BOI6:47 pmBoise Air Term. Gowen Fld
$2,579
Find similar
Lufthansa
Oct 19
BOI8:20 amBoise Air Term. Gowen Fld
16h 40m
1 stop
BRU9:00 amBrussels Bruxelles-National
Oct 30
BRU9:35 amBrussels Bruxelles-National
18h 46m
2 stops
BOI9:21 pmBoise Air Term. Gowen Fld
$6,053
Find similar
Lufthansa
Oct 19
BOI8:20 amBoise Air Term. Gowen Fld
16h 40m
1 stop
BRU9:00 amBrussels Bruxelles-National
Oct 30
BRU10:10 amBrussels Bruxelles-National
19h 35m
1 stop
BOI10:45 pmBoise Air Term. Gowen Fld
$6,131
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 September 22, 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

Thu 12/4

3:54 pm-9:40 am

2 stops33h 46m

Brussels Bruxelles-National

Mon 12/8

3:10 pm-10:36 pm

2 stops39h 26m

$561

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 12/4

2:49 pm-1:15 pm

2 stops14h 26m

Brussels Bruxelles-National

Mon 12/8

10:10 am-10:45 pm

1 stop20h 35m

$711

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 12/4

8:15 am-8:55 am

1 stop16h 40m

Brussels Bruxelles-National

Mon 12/8

10:10 am-10:45 pm

1 stop20h 35m

$1,069

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/19

1:35 pm-12:50 pm

2 stops15h 15m

Brussels Bruxelles-National

Thu 10/30

12:50 pm-10:20 pm

2 stops16h 30m

$5,442

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/19

1:35 pm-12:50 pm

2 stops15h 15m

Brussels Bruxelles-National

Thu 10/30

12:50 pm-10:20 pm

2 stops16h 30m

$5,513

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/19

8:20 am-9:00 am

1 stop16h 40m

Brussels Bruxelles-National

Thu 10/30

9:35 am-9:21 pm

2 stops18h 46m

$6,053

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/19

8:20 am-9:00 am

1 stop16h 40m

Brussels Bruxelles-National

Thu 10/30

10:10 am-10:45 pm

1 stop19h 35m

$6,131

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/19

10:45 am-1:00 pm

2 stops18h 15m

Brussels Bruxelles-National

Thu 10/30

10:10 am-10:45 pm

1 stop19h 35m

$6,154

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/19

8:20 am-9:00 am

1 stop16h 40m

Brussels Bruxelles-National

Thu 10/30

10:10 am-10:45 pm

1 stop19h 35m

$6,353

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/19

2:00 pm-8:35 pm

3 stops22h 35m

Brussels Bruxelles-National

Thu 10/30

10:20 am-10:52 pm

2 stops19h 32m

$7,306

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 64% 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

Direct flights

None
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
8,922 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.
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Wed 10/22
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