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$448+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Round-trip from

$739
(Booking.com)

One-way from

$448
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$2,221
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. 7% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This Booking.com deal was found by Cheapflights users on 4/29. 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.
sáb. 8/212:39 pmBOI - BRU
2 stops35h 21mMultiple Airlines
mar. 8/128:05 pmBRU - BOI
2 stops33h 29mMultiple Airlines
Deal found 4/29$739
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/275:10 amBOI - BRU
2 stops18h 55mUnited Airlines
mar. 6/310:00 amBRU - BOI
2 stops35h 32mUnited Airlines
Deal found 4/29$976
This KAYAK deal was found by Cheapflights users on 4/29. 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.
sáb. 8/212:39 pmBOI - BRU
1 stop12h 21mLufthansa
mar. 8/124:25 pmBRU - BOI
2 stops33h 42mLufthansa
Deal found 4/29$1,093
This Air Canada deal was found by Cheapflights users on 4/29. 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.
mar. 5/276:30 amBOI - BRU
3 stops19h 15mAir Canada
mar. 6/310:00 amBRU - BOI
3 stops20h 52mAir Canada
Deal found 4/29$1,330
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
jue. 5/2911:26 amBOI - BRU
2 stops23h 24mBritish Airways
lun. 6/99:15 pmBRU - BOI
2 stops33h 27mBritish Airways
Deal found 4/29$3,356

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 abril 29, 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

sáb. 8/2

12:39 pm-8:00 am

2 stops35h 21m

Brussels Bruxelles-National

mar. 8/12

8:05 pm-9:34 pm

2 stops33h 29m

$739

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

mar. 5/27

5:10 am-8:05 am

2 stops18h 55m

Brussels Bruxelles-National

mar. 6/3

10:00 am-1:32 pm

2 stops35h 32m

$976

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

sáb. 8/2

12:39 pm-9:00 am

1 stop12h 21m

Brussels Bruxelles-National

mar. 8/12

4:25 pm-6:07 pm

2 stops33h 42m

$1,093

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

mar. 5/27

6:30 am-9:45 am

3 stops19h 15m

Brussels Bruxelles-National

mar. 6/3

10:00 am-10:52 pm

3 stops20h 52m

$1,330

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

jue. 5/29

11:26 am-6:50 pm

2 stops23h 24m

Brussels Bruxelles-National

lun. 6/9

9:15 pm-10:42 pm

2 stops33h 27m

$3,356

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

mar. 9/16

7:17 pm-5:30 pm

3 stops38h 13m

$448

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

mar. 9/16

8:20 am-9:00 am

1 stop16h 40m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

What is the cheapest time of day to fly from BOI to BRU?

Find hourly flight availability from Boise to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from Boise to Brussels by exploring options for tickets in the afternoon.

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels when rainfall is around 1.6 in.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

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 abril 29, 2025.
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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??
Air Canada
7.0
Good
9,244 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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??
Lufthansa
6.7
Okay
7,044 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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??
British Airways
6.6
Okay
6,835 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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 are the cheapest airlines flying from Boise to Brussels round-trip?

    Flying on United Airlines is currently your cheapest option to Brussels, with prices starting at $976. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Air Canada, with the lowest prices starting at $1,093 and $1,330, respectively. United Airlines is currently priced 37% 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 $1,127). 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$925Average$1,759FlexibilityNo cancel feeOn-time69%

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