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Belgium

$448+ Cheap flights from Idaho to Belgium

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Idaho to Belgium

Keep the following information in mind while searching for Idaho to Belgium flight deals. Data was last updated May 1, 2025.

Round-trip from

$739
(Booking.com)

One-way from

$448
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$1,764
From Idaho to Belgium
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One-way flight from Idaho to Belgium
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Highest demand for flights based on searches. 7% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Idaho to Belgium

Cheapest flights from Idaho to Belgium
Explore the most affordable flight options available from Idaho to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Booking.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/212:39 pmBOI - BRU
2 stops35h 21mMultiple Airlines
Tue 8/128:05 pmBRU - BOI
2 stops33h 29mMultiple Airlines
Deal found 4/29$739
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/275:10 amBOI - BRU
2 stops18h 55mUnited Airlines
Tue 6/310:00 amBRU - BOI
2 stops35h 32mUnited Airlines
Deal found 4/29$976
This KAYAK deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/212:39 pmBOI - BRU
1 stop12h 21mLufthansa
Tue 8/124:25 pmBRU - BOI
2 stops33h 42mLufthansa
Deal found 4/29$1,093
This Air Canada deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:30 amBOI - BRU
3 stops19h 15mAir Canada
Tue 6/310:00 amBRU - BOI
3 stops20h 52mAir Canada
Deal found 4/29$1,330
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:26 amBOI - BRU
2 stops23h 24mBritish Airways
Mon 6/99:15 pmBRU - BOI
2 stops33h 27mBritish Airways
Deal found 4/29$3,356

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Idaho to Belgium that are best for you.

Fly from

Idaho

Fly to

Belgium

Route

Depart

Return

Price

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sat 8/2

12:39 pm-8:00 am

2 stops35h 21m

Brussels Bruxelles-National

Tue 8/12

8:05 pm-9:34 pm

2 stops33h 29m

$739

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 5/27

5:10 am-8:05 am

2 stops18h 55m

Brussels Bruxelles-National

Tue 6/3

10:00 am-1:32 pm

2 stops35h 32m

$976

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sat 8/2

12:39 pm-9:00 am

1 stop12h 21m

Brussels Bruxelles-National

Tue 8/12

4:25 pm-6:07 pm

2 stops33h 42m

$1,093

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 5/27

6:30 am-9:45 am

3 stops19h 15m

Brussels Bruxelles-National

Tue 6/3

10:00 am-10:52 pm

3 stops20h 52m

$1,330

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 5/29

11:26 am-6:50 pm

2 stops23h 24m

Brussels Bruxelles-National

Mon 6/9

9:15 pm-10:42 pm

2 stops33h 27m

$3,356

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 9/16

7:17 pm-5:30 pm

3 stops38h 13m

$448

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 5/7

1:38 pm-3:20 pm

2 stops17h 42m

$540

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 5/7

8:30 am-9:00 am

1 stop16h 30m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Idaho to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Belgium

What is the cheapest time of day to fly from ID to BE?

Find hourly flight availability from Idaho to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Belgium as you normally would.

Rainfall in Belgium by month

Plan your trip to Belgium by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belgium ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Belgium when rainfall is around 1.6 in.

Temperature in Belgium by month

Plan your trip to Belgium by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belgium, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated May 1, 2025.
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
9,245 reviews
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
7,046 reviews
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
6,845 reviews
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Idaho to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Idaho to Belgium that include hotel bookings?

    Yes. In addition to deals on Idaho to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Belgium.

  • Can I find deals for business class flights from Idaho to Belgium?

    Yes. Cheapflights offers flight deals from Idaho to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Belgium?

    Currently, November is the cheapest month in which you can book a flight from Idaho to Belgium (average of $614). Flying from Idaho to Belgium in June is currently the most expensive (average of $1,127). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Idaho to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho to Belgium

Discover the top airline that operate flights from Idaho to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$925Average$1,759FlexibilityNo cancel feeOn-time69%

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