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$490+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 14, 2025.

Round-trip from

$493
(Delta)

One-way from

$490
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$1,073
From Boise Air Term. Gowen Fld to Brussels
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One-way flight from Boise Air Term. Gowen Fld to Brussels
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Highest demand for flights based on searches. 19% potential increase in price ($330 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($80 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amBOI - BRU
2 stops19h 00mDelta
Fri 11/216:15 amBRU - BOI
2 stops23h 49mDelta
Deal found 8/14$493
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 11/126:20 amBOI - BRU
2 stops17h 30mUnited Airlines
Fri 11/2111:15 amBRU - BOI
2 stops20h 13mUnited Airlines
Deal found 8/14$611
This Booking.com deal was found by Cheapflights users on 8/13. 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.
Fri 12/122:49 pmBOI - BRU
2 stops33h 01mAir Canada
Fri 1/910:00 amBRU - BOI
2 stops45h 06mAir Canada
Deal found 8/13$639
This United Airlines deal was found by Cheapflights users on 8/13. 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 12/412:16 pmBOI - BRU
1 stop12h 39mUnited Airlines
Mon 12/810:00 amBRU - BOI
2 stops44h 45mUnited Airlines
Deal found 8/13$683
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.
Sun 9/77:00 amBOI - BRU
2 stops17h 05mUnited Airlines
Tue 9/1610:15 amBRU - BOI
1 stop20h 26mUnited Airlines
Deal found 8/14$686
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 9/89:52 amBOI - BRU
2 stops19h 23mUnited Airlines
Tue 9/1610:00 amBRU - BOI
2 stops20h 41mUnited Airlines
Deal found 8/14$690
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.
Sat 9/62:45 pmBOI - BRU
2 stops33h 20mUnited Airlines
Tue 9/1610:15 amBRU - BOI
2 stops18h 59mUnited Airlines
Deal found 8/14$691
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:45 pmBOI - BRU
2 stops33h 55mScandinavian Airlines
Fri 9/124:00 pmBRU - BOI
2 stops39h 00mScandinavian Airlines
Deal found 8/14$694
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/15:00 amBOI - BRU
2 stops18h 15mUnited Airlines
Wed 1/710:10 amBRU - BOI
2 stops35h 20mUnited Airlines
Deal found 8/13$728

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 August 14, 2025.
Use the filters below to find and compare flights from Boise to Brussels that are best for you.

Fly from

Boise

Fly to

Brussels

Route

Depart

Return

Price

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 11/12

6:00 am-9:00 am

2 stops19h 00m

Brussels Bruxelles-National

Fri 11/21

6:15 am-10:04 pm

2 stops23h 49m

$493

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 11/12

12:35 pm-8:55 am

1 stop12h 20m

Brussels Bruxelles-National

Fri 11/21

11:15 am-11:28 pm

2 stops20h 13m

$611

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Fri 12/12

2:49 pm-7:50 am

2 stops33h 01m

Brussels Bruxelles-National

Fri 1/9

10:00 am-11:06 pm

2 stops45h 06m

$639

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 12/4

8:15 am-8:55 am

1 stop16h 40m

Brussels Bruxelles-National

Mon 12/8

10:00 am-10:45 pm

2 stops44h 45m

$683

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Tue 9/9

12:27 pm-9:00 am

1 stop12h 33m

Brussels Bruxelles-National

Tue 9/16

10:15 am-10:41 pm

1 stop20h 26m

$686

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Mon 9/8

12:27 pm-9:00 am

1 stop12h 33m

Brussels Bruxelles-National

Tue 9/16

10:15 am-10:41 pm

1 stop20h 26m

$686

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sat 9/6

2:45 pm-8:05 am

2 stops33h 20m

Brussels Bruxelles-National

Tue 9/16

10:15 am-10:41 pm

1 stop20h 26m

$686

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Wed 9/10

12:27 pm-9:00 am

1 stop12h 33m

Brussels Bruxelles-National

Tue 9/16

10:00 am-10:41 pm

2 stops20h 41m

$686

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 11/27

7:35 am-5:05 pm

2 stops25h 30m

$490

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Thu 11/27

8:17 am-8:55 am

1 stop16h 38m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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 August 14, 2025.
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
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $903. United Airlines is currently priced 35% 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.

  • What is the cheapest month to book a flight from Boise to Brussels?

    Currently, November is the cheapest month in which you can book a flight from Boise to Brussels (average of $614). Flying from Boise to Brussels in June is currently the most expensive (average of $1,079). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$903Average$1,844FlexibilityNo cancel feeOn-time69%

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