$485+ Cheap flights from Idaho to Brussels
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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Jan 17 — Jan 241
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
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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 Idaho to Brussels
Cheapest flights from Idaho to BrusselsExplore the most affordable flight options available from Idaho to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from Idaho to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/266:15 amBOI - BRU
2 stops17h 50mUnited Airlines
Sat 1/311:55 amBRU - BOI
2 stops30h 06mUnited Airlines
Deal found 12/16![United Airlines logo]()
$2,466
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:40 pmBOI - BRU
3 stops33h 10mMultiple Airlines
Sat 1/310:00 amBRU - BOI
2 stops32h 01mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$3,522
This KAYAK deal was found by Cheapflights users on 12/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:55 amBOI - BRU
2 stops18h 00mMultiple Airlines
Sun 12/2812:50 pmBRU - BOI
2 stops16h 20mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$3,927
This Arangrant deal was found by Cheapflights users on 12/16. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:00 pmBOI - BRU
2 stops20h 30mMultiple Airlines
Mon 12/2210:30 amBRU - BOI
2 stops19h 56mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$5,295
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:20 amBOI - BRU
1 stop16h 35mLufthansa
Sun 12/287:00 amBRU - BOI
2 stops22h 31mLufthansa
Deal found 12/15![Lufthansa logo]()
$8,140
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/208:20 amBOI - BRU
1 stop16h 35mUnited Airlines
Sun 12/2810:10 amBRU - BOI
1 stop34h 29mUnited Airlines
Deal found 12/15![United Airlines logo]()
$9,926
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/208:20 amBOI - BRU
1 stop16h 35mUnited Airlines
Mon 12/2210:10 amBRU - BOI
1 stop20h 49mUnited Airlines
Deal found 12/16![United Airlines logo]()
$10,947
Find flight deals from Idaho to Brussels
Keep the following information in mind while searching for Idaho to Brussels flight deals. Data was last updated December 18, 2025.
Round-trip from | $485 (United Airlines) |
|---|---|
Popular in | July |
Cheapest in | October |
Average price | $1,861 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Idaho to Brussels that are best for you.
Fly from
Idaho
Fly to
Brussels
Route
Depart
Return
Price
BoiseBrussels
BOI - BRU
BOIBRU
Boise Air Term. Gowen Fld
Fri 2/6
7:45 am-1:15 pm
2 stops21h 30m
Brussels Bruxelles-National
Tue 2/10
10:00 am-7:51 pm
2 stops41h 51m
$485
BoiseBrussels
BOI - BRU
BOIBRU
Boise Air Term. Gowen Fld
Fri 2/6
6:10 am-7:50 am
2 stops17h 40m
Brussels Bruxelles-National
Tue 2/10
7:00 am-10:57 pm
3 stops23h 57m
$825
BoiseBrussels
BOI - BRU
BOIBRU
Boise Air Term. Gowen Fld
Fri 2/6
2:37 pm-7:50 am
3 stops33h 13m
Brussels Bruxelles-National
Tue 2/10
7:00 am-10:57 pm
3 stops23h 57m
$1,156
BoiseBrussels
BOI - BRU
BOIBRU
Boise Air Term. Gowen Fld
Sat 1/17
8:15 am-12:35 pm
2 stops20h 20m
Brussels Bruxelles-National
Wed 1/28
9:35 am-6:07 pm
2 stops16h 32m
$4,060
Best time to book a flight from Idaho to Brussels
Have a flexible travel schedule? Discover the best time to fly to Brussels from Idaho 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 Idaho to Brussels
How much does it cost to fly round-trip from Idaho to Brussels?
Related info for your journey
Find useful and relevant information for your journey from Idaho 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 Idaho to Brussels
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Idaho to Brussels
Discover the top airline that operate flights from Idaho 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 2,558,603 searches. Data last updated December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$637 | Average$1,201 | FlexibilityNo cancel fee | On-time69% |