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$458+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
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 August 12, 2026.

This United Airlines deal was found by Cheapflights users on 8/12. 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 11/1812:37 pm -
1 stop12h 18m
Mon 11/308:25 am -
2 stops46h 41m
Deal found 8/12$811
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/215:40 pm -
2 stops18h 20m
Mon 9/2810:15 am -
1 stop20h 43m
Deal found 8/11$875
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:10 pm -
1 stop24h 30m
Mon 9/289:45 am -
1 stop20h 15m
Deal found 8/11$878
This United Airlines deal was found by Cheapflights users on 8/8. 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 8/185:44 pm -
2 stops18h 16m
Mon 8/2410:30 am -
2 stops42h 54m
Deal found 8/8$966
This Air Canada deal was found by Cheapflights users on 8/8. 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 8/185:00 am -
2 stops18h 10m
Mon 8/249:30 am -
3 stops21h 23m
Deal found 8/8$1,017
This Justfly.com deal was found by Cheapflights users on 8/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:30 am -
2 stops16h 40m
Sat 9/129:10 am -
2 stops45h 30m
Deal found 8/8$1,039
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/28:23 am -
1 stop16h 37m
Sat 9/129:55 am -
2 stops43h 50m
Deal found 8/8$1,041
This Air Canada deal was found by Cheapflights users on 8/8. 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.
Wed 9/26:15 am -
2 stops16h 55m
Sat 9/129:10 am -
3 stops20h 27m
Deal found 8/8$1,071

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 August 12, 2026.

Round-trip from

$740
(United Airlines)

One-way from

$458
(TravelUp)

Popular in

January

Cheapest in

November

Average price

$1,601
From Boise Air Term. Gowen Fld to Belgium
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Belgium
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($482 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($132 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 12, 2026.
Use the filters below to find and compare flights from Boise to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseBrussels

BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National

BOIBRU

Boise Air Term. Gowen Fld

Mon 1/11

2:43 pm-8:50 am

2 stops34h 07m

Brussels Bruxelles-National

Thu 1/14

10:10 am-11:06 pm

1 stop20h 56m

$740
Quickest round-trip

BoiseBrussels

BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National

BOIBRU

Boise Air Term. Gowen Fld

Wed 2/3

2:43 pm-1:15 pm

2 stops14h 32m

Brussels Bruxelles-National

Sat 2/13

10:10 am-11:06 pm

1 stop20h 56m

$790

BoiseBrussels

BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National

BOIBRU

Boise Air Term. Gowen Fld

Wed 2/3

9:40 am-1:15 pm

2 stops19h 35m

Brussels Bruxelles-National

Sun 2/14

10:10 am-11:06 pm

1 stop20h 56m

$791
Cheapest one-way

BoiseBrussels

BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National

BOIBRU

Boise Air Term. Gowen Fld

Sun 9/13

10:31 am-1:15 pm

2 stops18h 44m

$458
Quickest one-way

BoiseBrussels

BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National

BOIBRU

Boise Air Term. Gowen Fld

Sun 9/13

8:23 am-9:00 am

1 stop16h 37m

$461

BoiseBrussels

BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National

BOIBRU

Boise Air Term. Gowen Fld

Sun 9/13

6:15 am-7:15 am

3 stops41h 00m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Sorted by cheapest first

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 August 12, 2026.
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
10,111 reviews

Boarding

7.7

Food

6.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
United Airlines
7.4
Good
10,111 reviews
United Airlines
7.4
Good
10,111 reviews

Boarding

7.7

Food

6.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

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 34h 07m. 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 August 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$638Average$886FlexibilityNo cancel feeOn-time69%

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