$735+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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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
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Best
Last-minute
Cheapest flights from Boise to BelgiumExplore 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 19, 2026.
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 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/87:00 am -
2 stops41h 50m
Fri 12/1110:10 am -
1 stop20h 56m
Deal found 8/17![United Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/242:44 pm -
2 stops14h 31m
Thu 10/110:15 am -
1 stop20h 43m
Deal found 8/19![United Airlines logo]()
$876
This Booking.com deal was found by Cheapflights users on 8/19. 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 10/35:00 am -
2 stops18h 10m
Sat 10/109:10 am -
2 stops56h 24m
Deal found 8/19![Air Canada logo]()
$945
This Scandinavian Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/312:17 pm -
3 stops24h 23m
Sat 10/1010:20 am -
2 stops19h 48m
Deal found 8/19![Scandinavian Airlines logo]()
$1,036
This Booking.com deal was found by Cheapflights users on 8/19. 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 10/312:26 pm -
1 stop12h 34m
Sat 10/1010:30 am -
2 stops20h 28m
Deal found 8/19![Lufthansa logo]()
$1,165
This Air Canada deal was found by Cheapflights users on 8/19. 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.
Thu 9/245:30 pm -
3 stops30h 20m
Thu 10/19:10 am -
3 stops21h 23m
Deal found 8/19![Air Canada logo]()
$1,314
Best flights from Boise to BelgiumDiscover carefully curated flight deals from Boise to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Boise to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/812:29 pm -
2 stops40h 46m
Fri 12/1110:10 am -
1 stop20h 56m
Deal found 8/18![United Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 1/1111:45 am -
2 stops37h 05m
Thu 1/1410:10 am -
1 stop20h 56m
Deal found 8/14![United Airlines logo]()
$741
This United Airlines deal was found by Cheapflights users on 8/14. 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 2/32:43 pm -
2 stops14h 32m
Sat 2/1310:10 am -
1 stop20h 56m
Deal found 8/14![United Airlines logo]()
$791
Last-minute flights from Boise to BelgiumDiscover last-minute flight deals from Boise to Belgium. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Belgium. Data last updated August 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/242:44 pm -
2 stops14h 31m
Thu 10/110:15 am -
1 stop20h 43m
Deal found 8/19![United Airlines logo]()
$876
This Air Canada deal was found by Cheapflights users on 8/19. 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.
Thu 9/245:30 pm -
3 stops30h 20m
Thu 10/19:10 am -
3 stops21h 23m
Deal found 8/19![Air Canada logo]()
$1,314
This Air Canada deal was found by Cheapflights users on 8/19. 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.
Thu 9/246:50 pm -
2 stops29h 00m
Thu 10/19:10 am -
3 stops21h 23m
Deal found 8/19![Multiple Airlines logo]()
$1,620
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 19, 2026.
Round-trip from | $732 (Expedia) |
|---|---|
Popular in | January |
Cheapest in | October |
Average price | $1,601 |
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 7,457,451 searches. Data last updated August 19, 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
Cheapest round-trip
BoiseBrussels
BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National
BOIBRU
Boise Air Term. Gowen Fld
Tue 12/8
12:29 pm-1:15 pm
2 stops40h 46m
Brussels Bruxelles-National
Fri 12/11
10:10 am-11:06 pm
1 stop20h 56m
$735
BoiseBrussels
BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National
BOIBRU
Boise Air Term. Gowen Fld
Mon 1/11
11:45 am-8:50 am
2 stops37h 05m
Brussels Bruxelles-National
Thu 1/14
10:10 am-11:06 pm
1 stop20h 56m
$741
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
$791
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.
BOI-BRU
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
BOI-BE0
BOI-BRU
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 19, 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.
Entertainment
7.1
Comfort
7.3
Food
6.7
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Comfort
7.3
Food
6.7
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Alternative routes for Boise to Belgium
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Complete your trip
Complete your trip to Belgium by adding a car rental and/or hotel reservation to your travel itinerary.
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Boise and Belgium flights
Browse other Boise and Belgium flight options. Last updated on August 19, 2026.
Popular flight searches
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Boise to Belgium flights
Consider these flights traveling from Boise to Belgium.
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 7,457,451 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$638 | Average$886 | FlexibilityNo cancel fee | On-time69% |