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$373+ Cheap flights from Boise (BOI) 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Boise to Belgium

Keep the following information in mind while searching for Boise to Belgium flight deals. Data was last updated September 16, 2025.

Round-trip from

$560
(Scandinavian Airlines)

One-way from

$373
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$886
From Boise Air Term. Gowen Fld to Belgium
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One-way flight from Boise Air Term. Gowen Fld to Belgium
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Highest demand for flights based on searches. 14% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($84 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:54 pmBOI - BRU
2 stops33h 46mScandinavian Airlines
Mon 12/83:10 pmBRU - BOI
2 stops39h 26mScandinavian Airlines
Deal found 9/14$560
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/812:35 pmBOI - BRU
1 stop12h 25mUnited Airlines
Wed 10/1511:15 amBRU - BOI
2 stops18h 09mUnited Airlines
Deal found 9/14$626
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:00 pmBOI - BRU
2 stops19h 50mScandinavian Airlines
Fri 11/710:20 amBRU - BOI
2 stops20h 32mScandinavian Airlines
Deal found 9/14$668
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 12/410:40 amBOI - BRU
2 stops18h 35mUnited Airlines
Mon 12/810:10 amBRU - BOI
1 stop20h 35mUnited Airlines
Deal found 9/14$680
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 9/277:05 pmBOI - BRU
2 stops29h 55mUnited Airlines
Mon 10/610:00 amBRU - BOI
2 stops38h 58mUnited Airlines
Deal found 9/15$708
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/227:00 amBOI - BRU
2 stops41h 55mUnited Airlines
Sun 12/282:25 pmBRU - BOI
2 stops39h 05mUnited Airlines
Deal found 9/16$884
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:35 pmBOI - BRU
1 stop12h 25mLufthansa
Wed 10/1510:15 amBRU - BOI
1 stop16h 32mLufthansa
Deal found 9/14$959
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:41 amBOI - BRU
3 stops22h 49mScandinavian Airlines
Wed 10/1510:20 amBRU - BOI
2 stops16h 31mScandinavian Airlines
Deal found 9/14$1,198

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 September 16, 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

Thu 12/4

3:54 pm-7:50 pm

2 stops19h 56m

Brussels Bruxelles-National

Mon 12/8

3:10 pm-10:36 pm

2 stops39h 26m

$560

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 10/8

10:35 am-9:00 am

2 stops14h 25m

Brussels Bruxelles-National

Wed 10/15

11:15 am-9:24 pm

2 stops18h 09m

$626

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Mon 11/3

4:00 pm-7:50 pm

2 stops19h 50m

Brussels Bruxelles-National

Fri 11/7

10:20 am-10:52 pm

2 stops20h 32m

$668

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 12/4

10:40 am-1:15 pm

2 stops18h 35m

Brussels Bruxelles-National

Mon 12/8

10:10 am-10:45 pm

1 stop20h 35m

$680

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sat 9/27

7:05 pm-9:00 am

2 stops29h 55m

Brussels Bruxelles-National

Mon 10/6

10:00 am-4:58 pm

2 stops38h 58m

$708

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Mon 12/22

7:00 am-8:55 am

2 stops41h 55m

Brussels Bruxelles-National

Sun 12/28

2:25 pm-9:30 pm

2 stops39h 05m

$884

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 10/14

4:00 pm-6:30 pm

2 stops18h 30m

$391

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/12

12:28 pm-9:40 pm

3 stops49h 12m

$410

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Mon 10/13

5:00 am-8:05 am

2 stops19h 05m

$449

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sun 10/12

8:20 am-9:00 am

1 stop16h 40m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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 September 16, 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
8,924 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

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
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

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 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 14h 25m. Fly via Scandinavian Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 5002 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Boise to Belgium one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $391. Air Canada flights start at $449 while deals on Lufthansa start at $450 one-way.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Boise to Belgium (average of $614). Flying from Boise to Belgium in June is currently the most expensive (average of $1,077). 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 Boise 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 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$903Average$1,844FlexibilityNo cancel feeOn-time69%

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