$379+ Cheap flights from Boise (BOI) to Brussels
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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Brussels 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 Brussels
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to BrusselsExplore the most affordable flight options available from Boise to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Boise to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 12/62:48 pm -
2 stops34h 02m
Wed 12/910:10 am -
1 stop20h 58m
Deal found 8/20![United Airlines logo]()
$735
This Delta deal was found by Cheapflights users on 8/23. 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 9/212:11 pm -
1 stop33h 29m
Mon 9/2810:25 am -
2 stops39h 29m
Deal found 8/23![Delta logo]()
$862
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 9/245:30 pm -
2 stops18h 30m
Thu 10/110:15 am -
2 stops31h 19m
Deal found 8/19![United Airlines logo]()
$876
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/2112:28 pm -
1 stop12h 32m
Mon 9/2810:15 am -
1 stop20h 43m
Deal found 8/23![United Airlines logo]()
$879
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
Best flights from Boise to BrusselsDiscover carefully curated flight deals from Boise to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Boise to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Sun 12/68:15 am -
2 stops21h 00m
Wed 12/910:10 am -
1 stop20h 58m
Deal found 8/21![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.
Tue 12/812:29 pm -
2 stops40h 46m
Fri 12/1110:10 am -
1 stop20h 56m
Deal found 8/19![United Airlines logo]()
$735
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.
Wed 2/32:43 pm -
2 stops14h 32m
Sat 2/1310:10 am -
1 stop20h 56m
Deal found 8/18![United Airlines logo]()
$796
Last-minute flights from Boise to BrusselsDiscover last-minute flight deals from Boise to Brussels. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Brussels. Data last updated August 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/23. 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 9/215:30 am -
2 stops18h 10m
Mon 9/2810:25 am -
2 stops39h 29m
Deal found 8/23![Delta logo]()
$862
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/2112:28 pm -
1 stop12h 32m
Mon 9/2810:15 am -
1 stop20h 43m
Deal found 8/23![United Airlines logo]()
$879
This Air Canada deal was found by Cheapflights users on 8/21. 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 9/215:00 am -
3 stops18h 50m
Mon 9/289:10 am -
3 stops21h 48m
Deal found 8/21![Air Canada logo]()
$1,201
This Air Canada deal was found by Cheapflights users on 8/23. 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 9/215:00 am -
3 stops18h 50m
Mon 9/289:10 am -
2 stops20h 25m
Deal found 8/23![Multiple Airlines logo]()
$1,374
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 9/245:30 pm -
2 stops18h 30m
Thu 10/110:15 am -
2 stops31h 19m
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
One-way flights from Boise to BrusselsSearch for one-way flight options from Boise to Brussels. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Boise to Brussels. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:43 pm -
2 stops14h 32m
Deal found 8/19![Multiple Airlines logo]()
$379
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:29 pm -
1 stop12h 26m
Deal found 8/19![Lufthansa logo]()
$383
Find flight deals from Boise to Brussels
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 23, 2026.
Round-trip from | $735 (United Airlines) |
|---|---|
One-way from | $379 (TravelUp) |
Popular in | January |
Cheapest in | October |
Average price | $1,601 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Brussels 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 23, 2026.
Use the filters below to find and compare flights from Boise to Brussels 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
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
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
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
Cheapest one-way
BoiseBrussels
BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National
BOIBRU
Boise Air Term. Gowen Fld
Thu 12/3
2:43 pm-1:15 pm
2 stops14h 32m
$379
Quickest one-way
BoiseBrussels
BOI Boise Air Term. Gowen Fld - BRU Brussels Bruxelles-National
BOIBRU
Boise Air Term. Gowen Fld
Thu 12/3
12:29 pm-8:55 am
1 stop12h 26m
$383
Sorted by cheapest first
Best time to book a flight from Boise to Brussels
Have a flexible travel schedule? Discover the best time to fly to Brussels from Boise with our price prediction graph.
BOI-BR1
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 Brussels
BOI-BR1
BOI-BRU
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Brussels
Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated August 23, 2026.
Get a feel of what it's like to fly with United Airlines from Boise to Brussels by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
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 Brussels. 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 Brussels
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Complete your trip
Complete your trip to Brussels by adding a car rental and/or hotel reservation to your travel itinerary.
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Boise and Brussels flights
Browse other Boise and Brussels flight options. Last updated on August 23, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boise to Brussels
Discover the top airline that operate flights from Boise to Brussels. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$638 | Average$875 | FlexibilityNo cancel fee | On-time69% |