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$910+ Cheap flights from Boise (BOI) 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Cheap flight deals from Boise to Brussels

Cheapest flights from Boise to Brussels
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 May 7, 2026.

This Flighttix deal was found by Cheapflights users on 5/6. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:08 pm
BOI
-
BRU
1 stop12h 52m
Lufthansa
Tue 5/1210:15 am
BRU
-
BOI
1 stop20h 35m
Lufthansa
Deal found 5/6$910
This United Airlines deal was found by Cheapflights users on 5/7. 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 8/266:30 am
BOI
-
BRU
2 stops22h 45m
United Airlines
Sat 9/129:25 am
BRU
-
BOI
2 stops33h 35m
United Airlines
Deal found 5/7$911
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/75:29 pm
BOI
-
BRU
2 stops18h 31m
United Airlines
Tue 5/1210:15 am
BRU
-
BOI
1 stop20h 35m
United Airlines
Deal found 5/6$925
This Delta deal was found by Cheapflights users on 5/6. 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.
Thu 10/17:30 pm
BOI
-
BRU
2 stops28h 10m
Delta
Sat 10/109:45 am
BRU
-
BOI
2 stops32h 34m
Delta
Deal found 5/6$975
This United Airlines deal was found by Cheapflights users on 5/5. 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 10/12:31 pm
BOI
-
BRU
2 stops14h 44m
United Airlines
Sat 10/1010:30 am
BRU
-
BOI
2 stops21h 22m
United Airlines
Deal found 5/5$976
This Air Canada deal was found by Cheapflights users on 5/7. 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 7/312:38 pm
BOI
-
BRU
2 stops58h 32m
Air Canada
Wed 7/299:40 am
BRU
-
BOI
2 stops40h 16m
Air Canada
Deal found 5/7$1,000
This Air Canada deal was found by Cheapflights users on 5/7. 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 7/16:30 am
BOI
-
BRU
2 stops17h 20m
Air Canada
Wed 7/299:40 am
BRU
-
BOI
2 stops40h 16m
Air Canada
Deal found 5/7$1,005
This Delta deal was found by Cheapflights users on 5/7. 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.
Wed 7/15:30 am
BOI
-
BRU
2 stops20h 10m
Delta
Thu 7/309:45 am
BRU
-
BOI
2 stops22h 01m
Delta
Deal found 5/7$1,010
This United Airlines deal was found by Cheapflights users on 5/7. 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 7/16:30 am
BOI
-
BRU
2 stops16h 45m
United Airlines
Mon 7/2710:15 am
BRU
-
BOI
2 stops39h 41m
United Airlines
Deal found 5/7$1,064
This Air Canada deal was found by Cheapflights users on 5/7. 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 7/25:46 pm
BOI
-
BRU
2 stops29h 24m
Air Canada
Wed 7/299:40 am
BRU
-
BOI
2 stops40h 16m
Air Canada
Deal found 5/7$1,070
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 7/211:45 pm
BOI
-
BRU
1 stop23h 55m
Delta
Wed 7/299:45 am
BRU
-
BOI
2 stops31h 44m
Delta
Deal found 5/7$1,071
This Delta deal was found by Cheapflights users on 5/7. 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.
Wed 7/12:04 pm
BOI
-
BRU
1 stop33h 36m
Delta
Wed 7/2910:25 am
BRU
-
BOI
2 stops21h 21m
Delta
Deal found 5/7$1,072

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 May 7, 2026.

Round-trip from

$975
(Delta)

Popular in

January

Cheapest in

November

Average price

$1,061
From Boise Air Term. Gowen Fld to Brussels
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($549 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($139 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 2,558,603 searches. Data last updated May 7, 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

Price

Cheapest round-trip
Quickest round-trip

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 8/26

12:23 pm-9:00 am

1 stop12h 37m

Brussels Bruxelles-National

Sat 9/12

11:10 am-9:25 pm

2 stops18h 15m

$1,142

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Fri 7/3

11:45 pm-7:40 am

1 stop23h 55m

Brussels Bruxelles-National

Fri 7/31

9:45 am-10:32 pm

1 stop20h 47m

$1,153

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 6/10

5:46 pm-8:00 pm

2 stops18h 14m

Brussels Bruxelles-National

Tue 6/16

10:15 am-10:56 pm

1 stop20h 41m

$1,172

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 7/15

10:29 am-9:40 am

2 stops15h 11m

Brussels Bruxelles-National

Sun 7/19

9:45 am-10:32 pm

1 stop20h 47m

$1,207

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 6/18

11:45 pm-7:40 am

1 stop23h 55m

Brussels Bruxelles-National

Thu 6/25

9:45 am-10:35 pm

1 stop20h 50m

$1,245

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 6/10

5:00 am-7:10 am

2 stops18h 10m

Brussels Bruxelles-National

Tue 6/16

9:40 am-10:37 pm

3 stops20h 57m

$1,247

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 7/16

11:42 pm-7:40 am

1 stop23h 58m

Brussels Bruxelles-National

Sun 7/19

9:45 am-10:32 pm

1 stop20h 47m

$1,268

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 7/2

2:04 pm-7:40 am

1 stop33h 36m

Brussels Bruxelles-National

Sun 7/26

9:45 am-11:46 pm

2 stops22h 01m

$1,268

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 10/1

12:29 pm-9:00 am

1 stop12h 31m

Brussels Bruxelles-National

Sat 10/10

10:15 am-11:06 pm

1 stop20h 51m

$1,277

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

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.
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

How much does it cost to fly round-trip from Boise to Brussels?

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 May 7, 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.
United Airlines
7.4
Good
9,690 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,690 reviews
United Airlines
7.4
Good
9,690 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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.

  • What airport do you fly from for flights from Boise to Brussels?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Brussels. You should not have trouble finding flights to Brussels from Air Term. Gowen Fld; the airport handles an average of 0 outbound flights to Brussels per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Boise airport to Brussels. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

  • How long is the flight from Boise to Brussels?

    Departing from Boise to Brussels will take you 12h 37m. There are 5002 mi between Boise and Brussels. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Boise to Brussels round-trip?

    Flying on United Airlines is currently your cheapest option to Brussels, with prices starting at $637. United Airlines is currently priced 45% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Brussels

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Bruxelles-National flights

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 2,558,603 searches. Data last updated May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$886FlexibilityNo cancel feeOn-time69%

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