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$329+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BRU
Tem 29 — Ağu 51
Çar 7/29
Çar 8/5
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 Haziran 29, 2026.

This United Airlines deal was found by Cheapflights users on 6/27. 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.
Sal 11/1710:40 am
BOI
-
BRU
2 stops18h 35m
United Airlines
Pzt 11/304:55 pm
BRU
-
BOI
2 stops36h 20m
United Airlines
Deal found 6/27$808
This United deal was found by Cheapflights users on 6/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 11/2312:32 pm
BOI
-
BRU
1 stop12h 23m
Multiple Airlines
Pzt 11/307:30 pm
BRU
-
BOI
2 stops35h 36m
Multiple Airlines
Deal found 6/25$821
This United deal was found by Cheapflights users on 6/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 8/102:00 pm
BOI
-
BRU
2 stops22h 00m
Multiple Airlines
Cum 8/289:30 am
BRU
-
BOI
2 stops45h 23m
Multiple Airlines
Deal found 6/27$822
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Pzt 8/102:41 pm
BOI
-
BRU
2 stops14h 34m
United Airlines
Cum 8/2810:15 am
BRU
-
BOI
1 stop20h 38m
United Airlines
Deal found 6/27$843
This Delta deal was found by Cheapflights users on 6/27. 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.
Pzt 8/1011:10 pm
BOI
-
BRU
1 stop24h 30m
Delta
Cum 8/289:45 am
BRU
-
BOI
1 stop20h 12m
Delta
Deal found 6/27$847
This Air France deal was found by Cheapflights users on 6/27. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 11/171:43 pm
BOI
-
BRU
1 stop13h 12m
Multiple Airlines
Pzt 11/3012:55 pm
BRU
-
BOI
1 stop17h 46m
Multiple Airlines
Deal found 6/27$854
This Delta deal was found by Cheapflights users on 6/27. 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.
Sal 11/171:43 pm
BOI
-
BRU
1 stop13h 12m
Delta
Pzt 11/3012:55 pm
BRU
-
BOI
2 stops31h 11m
Delta
Deal found 6/27$858
This Delta deal was found by Cheapflights users on 6/25. 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.
Pzt 11/2311:30 pm
BOI
-
BRU
1 stop27h 25m
Delta
Pzt 11/3012:55 pm
BRU
-
BOI
1 stop17h 46m
Delta
Deal found 6/25$859
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Paz 8/95:00 am
BOI
-
BRU
2 stops24h 15m
United Airlines
Paz 8/169:30 am
BRU
-
BOI
2 stops44h 07m
United Airlines
Deal found 6/25$943
This Delta deal was found by Cheapflights users on 6/25. 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.
Paz 8/911:10 pm
BOI
-
BRU
1 stop24h 30m
Delta
Paz 8/169:45 am
BRU
-
BOI
1 stop20h 12m
Delta
Deal found 6/25$967
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Per 10/110:30 am
BOI
-
BRU
2 stops25h 30m
United Airlines
Cmt 10/1011:10 am
BRU
-
BOI
2 stops18h 25m
United Airlines
Deal found 6/25$970

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 Haziran 29, 2026.

Round-trip from

$808
(United Airlines)

One-way from

$329
(TravelUp)

Popular in

January

Cheapest in

November

Average price

$1,774
From Boise Air Term. Gowen Fld to Brussels
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Brussels
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($482 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($132 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 Haziran 29, 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

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Pzt 11/23

12:32 pm-1:15 pm

2 stops16h 43m

Brussels Bruxelles-National

Pzt 11/30

4:55 pm-9:16 pm

2 stops36h 21m

$808

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sal 11/17

10:40 am-1:15 pm

2 stops18h 35m

Brussels Bruxelles-National

Pzt 11/30

4:55 pm-9:15 pm

2 stops36h 20m

$808

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Pzt 11/23

12:32 pm-8:55 am

1 stop12h 23m

Brussels Bruxelles-National

Pzt 11/30

7:30 pm-11:06 pm

2 stops35h 36m

$821

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Pzt 8/10

11:10 pm-7:40 am

1 stop24h 30m

Brussels Bruxelles-National

Cum 8/28

9:45 am-9:57 pm

1 stop20h 12m

$847

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sal 11/17

1:43 pm-10:55 am

1 stop13h 12m

Brussels Bruxelles-National

Pzt 11/30

12:55 pm-12:06 pm

2 stops31h 11m

$858

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Pzt 11/23

11:30 pm-10:55 am

1 stop27h 25m

Brussels Bruxelles-National

Pzt 11/30

12:55 pm-10:41 pm

1 stop17h 46m

$859

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Paz 8/9

12:34 pm-9:00 am

1 stop12h 26m

Brussels Bruxelles-National

Paz 8/16

9:30 am-9:37 pm

2 stops44h 07m

$947
Quickest round-trip

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Per 10/1

10:30 am-8:00 pm

2 stops25h 30m

Brussels Bruxelles-National

Cmt 10/10

11:10 am-9:35 pm

2 stops18h 25m

$970
Cheapest one-way

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sal 11/17

10:40 am-1:15 pm

2 stops18h 35m

$329
Quickest one-way

BoiseBrussels

BOI - BRU

BOIBRU

Boise Air Term. Gowen Fld

Sal 11/17

8:23 am-8:55 am

1 stop16h 32m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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

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 Haziran 29, 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
9,894 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,894 reviews
United Airlines
7.4
Good
9,894 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 16h 43m. 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 $638. United Airlines is currently priced 48% 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 Haziran 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$638Average$886FlexibilityNo cancel feeOn-time69%

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