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$346+ Cheap flights from Idaho 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Idaho to Brussels

Cheapest flights from Idaho to Brussels
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 February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 3/32:40 pm
BOI
-
BRU
2 stops34h 15m
United Airlines
Tue 3/1010:00 am
BRU
-
BOI
2 stops43h 56m
United Airlines
Deal found 2/3$486
This Air Canada deal was found by Cheapflights users on 2/1. 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 2/255:00 am
BOI
-
BRU
2 stops18h 50m
Air Canada
Sun 3/110:00 am
BRU
-
BOI
2 stops44h 56m
Air Canada
Deal found 2/1$674
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/258:05 am
BOI
-
BRU
2 stops21h 10m
United Airlines
Sun 3/111:55 am
BRU
-
BOI
2 stops19h 53m
United Airlines
Deal found 2/4$691
This United Airlines deal was found by Cheapflights users on 2/2. 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 9/55:22 pm
BOI
-
BRU
2 stops29h 53m
United Airlines
Sat 9/1210:15 am
BRU
-
BOI
2 stops21h 44m
United Airlines
Deal found 2/2$696
This United Airlines deal was found by Cheapflights users on 2/3. 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 8/242:43 pm
BOI
-
BRU
2 stops21h 17m
United Airlines
Tue 9/19:25 am
BRU
-
BOI
2 stops21h 41m
United Airlines
Deal found 2/3$767
This Iberia deal was found by Cheapflights users on 2/4. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:38 pm
BOI
-
BRU
2 stops22h 17m
Multiple Airlines
Sat 10/1710:40 am
BRU
-
BOI
2 stops18h 25m
Multiple Airlines
Deal found 2/4$770
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:36 pm
BOI
-
BRU
2 stops22h 19m
American Airlines
Sat 9/1210:40 am
BRU
-
BOI
3 stops20h 52m
American Airlines
Deal found 2/2$773

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 February 5, 2026.

Round-trip from

$486
(United Airlines)

One-way from

$346
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$720
From Idaho to Brussels
Search Deals
One-way flight from Idaho to Brussels
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($366 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($121 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 5, 2026.
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

Tue 3/3

2:40 pm-8:55 am

2 stops34h 15m

Brussels Bruxelles-National

Tue 3/10

10:00 am-10:56 pm

2 stops43h 56m

$486

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 2/25

8:05 am-1:15 pm

2 stops21h 10m

Brussels Bruxelles-National

Sun 3/1

11:55 am-11:48 pm

2 stops19h 53m

$691

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 6/9

6:30 am-8:00 pm

2 stops29h 30m

Brussels Bruxelles-National

Wed 7/1

9:55 am-9:34 pm

2 stops19h 39m

$919

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sat 3/21

8:39 am-1:15 pm

2 stops21h 36m

Brussels Bruxelles-National

Sat 3/28

10:10 am-9:54 am

2 stops30h 44m

$975

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 6/9

6:30 am-7:50 am

2 stops41h 20m

Brussels Bruxelles-National

Wed 7/1

9:25 am-9:34 pm

2 stops44h 09m

$1,079

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 4/29

6:39 pm-12:55 pm

3 stops58h 16m

$346

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 4/29

12:04 pm-9:00 am

1 stop12h 56m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Idaho to Brussels?

    A quick flight from Idaho to Brussels can take about 18h 50m. United Airlines provides one of the quickest options available for as low as $674. Idaho and Brussels are separated by a distance of 5002 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Idaho to Brussels that include hotel bookings?

    Yes. In addition to deals on Idaho to Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Brussels.

  • Can I find deals for business class flights from Idaho to Brussels?

    Yes. Cheapflights offers flight deals from Idaho to Brussels 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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Alternative routes for Idaho to Brussels

See prices for flight routes from nearby airports that may be better suited for you.
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John F Kennedy Intl to Charleroi Brussels flights
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Seattle to Bruxelles-National flights
Boston to Bruxelles-National flights
Dallas/Fort Worth to Bruxelles-National flights
Miami to Bruxelles-National flights
Hobby to Bruxelles-National flights
Charlotte to Bruxelles-National flights
San Francisco to Bruxelles-National flights
Austin to Bruxelles-National flights
Philadelphia to Bruxelles-National flights
Dulles Intl to Charleroi Brussels flights
O'Hare Intl to Charleroi Brussels flights
Orlando to Bruxelles-National flights
George Bush Intcntl to Bruxelles-National flights
Midway to Bruxelles-National flights
Detroit to Bruxelles-National flights
Tampa to Bruxelles-National flights
Love Field to Bruxelles-National flights
Minneapolis to Bruxelles-National flights
Portland to Bruxelles-National flights
Raleigh to Bruxelles-National flights
Denver to Bruxelles-National flights
Columbus to Bruxelles-National flights
Des Moines to Bruxelles-National flights
Ontario to Bruxelles-National flights
Nashville to Bruxelles-National flights
Boston to Charleroi Brussels flights
Cincinnati to Bruxelles-National flights
San Diego to Bruxelles-National flights
Santa Ana to Bruxelles-National flights
Fort Lauderdale to Bruxelles-National flights
Los Angeles to Charleroi Brussels flights
San Jose to Bruxelles-National flights
Jacksonville to Bruxelles-National flights
Atlanta to Charleroi Brussels flights
Cleveland to Bruxelles-National flights
Charleston to Bruxelles-National flights
New Orleans to Bruxelles-National flights
St. Louis to Bruxelles-National flights
Tulsa to Bruxelles-National flights

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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$1,204FlexibilityNo cancel feeOn-time69%

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