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$474+ Cheap flights from Boise (BOI) to Belgium

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Boise to Belgium

Cheapest flights from Boise to Belgium
Explore the most affordable flight options available from Boise to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Booking.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/292:40 pmBOI - BRU
2 stops42h 50mLufthansa
Fri 1/910:10 amBRU - BOI
2 stops41h 35mLufthansa
Deal found 12/13$929
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/295:12 pmBOI - BRU
2 stops35h 58mUnited Airlines
Fri 1/910:10 amBRU - BOI
1 stop20h 47mUnited Airlines
Deal found 12/13$1,013
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/296:55 pmBOI - BRU
2 stops38h 20mUnited Airlines
Mon 1/510:00 amBRU - BOI
2 stops41h 51mUnited Airlines
Deal found 12/13$1,250
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:20 pmBOI - BRU
1 stop12h 35mMultiple Airlines
Mon 1/510:00 amBRU - BOI
2 stops40h 07mMultiple Airlines
Deal found 12/13$1,538
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/268:20 amBOI - BRU
1 stop16h 35mUnited Airlines
Sat 1/311:55 amBRU - BOI
2 stops33h 41mUnited Airlines
Deal found 12/14$2,466
This Scandinavian Airlines deal was found by Cheapflights users on 12/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:08 pmBOI - BRU
3 stops22h 47mScandinavian Airlines
Fri 1/910:20 amBRU - BOI
2 stops19h 58mScandinavian Airlines
Deal found 12/13$3,253
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Mon 12/298:20 amBOI - BRU
3 stops20h 55mAir Canada
Mon 1/57:00 amBRU - BOI
3 stops23h 59mAir Canada
Deal found 12/13$3,391
This Air Canada deal was found by Cheapflights users on 12/14. 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.
Fri 12/262:40 pmBOI - BRU
3 stops33h 10mMultiple Airlines
Sat 1/310:00 amBRU - BOI
2 stops32h 01mMultiple Airlines
Deal found 12/14$3,522

Find flight deals from Boise to Belgium

Keep the following information in mind while searching for Boise to Belgium flight deals. Data was last updated December 15, 2025.

Round-trip from

$474
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$1,861
From Boise Air Term. Gowen Fld to Belgium
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($383 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($94 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 December 15, 2025.
Use the filters below to find and compare flights from Boise to Belgium that are best for you.

Fly from

Boise

Fly to

Belgium

Route

Depart

Return

Price

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 1/27

12:19 pm-1:15 pm

2 stops16h 56m

Brussels Bruxelles-National

Tue 2/3

10:10 am-10:57 pm

1 stop20h 47m

$504

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Fri 2/6

7:45 am-1:15 pm

2 stops21h 30m

Brussels Bruxelles-National

Tue 2/10

10:10 am-10:57 pm

1 stop20h 47m

$504

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 2/11

8:15 am-1:15 pm

2 stops21h 00m

Brussels Bruxelles-National

Sun 2/15

10:10 am-10:56 pm

1 stop20h 46m

$504

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 1/28

2:37 pm-1:15 pm

2 stops14h 38m

Brussels Bruxelles-National

Wed 2/4

8:25 am-9:52 pm

2 stops21h 27m

$509

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 1/27

12:19 pm-7:50 am

3 stops35h 31m

Brussels Bruxelles-National

Tue 2/3

10:00 am-12:39 pm

2 stops34h 39m

$526

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 1/27

12:19 pm-7:50 am

3 stops35h 31m

Brussels Bruxelles-National

Tue 2/3

7:00 am-10:57 pm

3 stops23h 57m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Best time to book a flight from Boise to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Boise 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 Boise to Belgium
No data available for this route at this time. Please check back soon.

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 December 15, 2025.
Peruse reviews from past customers who have flown with United Airlines from Boise to Belgium to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

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

  • What airport do you fly from for flights from Boise to Belgium?

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld (BOI) is the airport most travelers will use when flying to Belgium from Boise.

  • How long is the flight from Boise to Belgium?

    There are many flights that can get you from Boise to Belgium in 16h 56m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5002 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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.

See more FAQs

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Top airline flying from Boise to Belgium

Discover the top airline that operate flights from Boise 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$1,201FlexibilityNo cancel feeOn-time69%

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