HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgium

$735+ Cheap flights from Boise (BOI) to Belgium

BOI — BRU
Sep 24 — Oct 11
Thu 9/24
Thu 10/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Belgium with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boise to Belgium

Cheapest flights from Boise to Belgium

Sun 12/62:48 pm -
2 stops34h 02m
Wed 12/910:10 am -
1 stop20h 58m
Deal found 8/20$735
Wed 11/42:51 pm -
2 stops33h 59m
Wed 11/1110:00 am -
2 stops33h 31m
Deal found 8/24$744
Mon 9/212:11 pm -
1 stop33h 29m
Mon 9/2810:25 am -
2 stops39h 29m
Deal found 8/23$862
Thu 10/812:26 pm -
1 stop12h 34m
Thu 10/159:10 am -
2 stops40h 33m
Deal found 8/24$868
Sun 9/272:44 pm -
2 stops14h 31m
Sun 10/411:10 am -
2 stops19h 23m
Deal found 8/24$876

Find flight deals from Boise to Belgium

Round-trip from

$735
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$1,601
From Boise Air Term. Gowen Fld to Belgium
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($462 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($130 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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

Sun 12/6

8:15 am-1:15 pm

2 stops21h 00m

Brussels Bruxelles-National

Wed 12/9

10:10 am-11:08 pm

1 stop20h 58m

$735
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

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

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

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

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
10,116 reviews

Crew

8.1

Food

6.7

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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
10,116 reviews
United Airlines
7.4
Good
10,116 reviews

Crew

8.1

Food

6.7

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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

  • 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 21h. 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Boise to Belgium

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$638Average$875FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.