$819 Cheap Flights from Brussels (BRU) to Boise (BOI)

View $819 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from Brussels Airport (BRU) to Boise Airport (BOI)

Cheap Flights from Brussels to Boise (BRU-BOI)

Prices were available within the past 7 days and start at $819 for one-way flights and $771 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Oct 15 - Fri, Oct 31
BRU
Brussels
BOI
Boise
$771 Roundtrip, found 6 days ago
$771
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Oct 15 from Brussels to Boise, returning Fri, Oct 31, priced at $771 found 6 days ago
British Airways
Wed, Oct 15 - Fri, Oct 31
BRU
Brussels
BOI
Boise
$795 Roundtrip, found 6 days ago
$795
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Oct 15 from Brussels to Boise, returning Fri, Oct 31, priced at $795 found 6 days ago
British Airways
Wed, Oct 15 - Fri, Oct 31
BRU
Brussels
BOI
Boise
$806 Roundtrip, found 6 days ago
$806
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Oct 15 from Brussels to Boise, returning Fri, Oct 31, priced at $806 found 6 days ago
British Airways
Wed, Oct 15 - Fri, Oct 31
BRU
Brussels
BOI
Boise
$818 Roundtrip, found 6 days ago
$818
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Oct 15 from Brussels to Boise, returning Fri, Oct 31, priced at $818 found 6 days ago
Iberia
Wed, Oct 15 - Fri, Oct 31
BRU
Brussels
BOI
Boise
$820 Roundtrip, found 6 days ago
$820
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Oct 15 from Brussels to Boise, returning Fri, Oct 31, priced at $820 found 6 days ago
Iberia
Wed, Oct 15 - Fri, Oct 31
BRU
Brussels
BOI
Boise
$845 Roundtrip, found 6 days ago
$845
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Oct 15 from Brussels to Boise, returning Fri, Oct 31, priced at $845 found 6 days ago
Iberia
Wed, Oct 15 - Fri, Oct 31
BRU
Brussels
BOI
Boise
$852 Roundtrip, found 6 days ago
$852
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Oct 15 from Brussels to Boise, returning Fri, Oct 31, priced at $852 found 6 days ago
Aer Lingus
Sun, Dec 21 - Fri, Jan 2
BRU
Brussels
BOI
Boise
$1,106 Roundtrip, found 1 day ago
$1,106
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sun, Dec 21 from Brussels to Boise, returning Fri, Jan 2, priced at $1,106 found 1 day ago
Finnair
Sun, Dec 21 - Fri, Jan 2
BRU
Brussels
BOI
Boise
$1,279 Roundtrip, found 1 day ago
$1,279
Roundtrip
found 1 day ago
Select Finnair flight, departing Sun, Dec 21 from Brussels to Boise, returning Fri, Jan 2, priced at $1,279 found 1 day ago
Lufthansa
Sun, Dec 21 - Fri, Jan 2
BRU
Brussels
BOI
Boise
$1,526 Roundtrip, found 1 day ago
$1,526
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Dec 21 from Brussels to Boise, returning Fri, Jan 2, priced at $1,526 found 1 day ago
Flights from Brussels (BRU) to Boise (BOI)
Origin airport
Brussels - National
Destination airport
Boise
Airlines serving
Air Canada, British Airways, Finnair, Lufthansa
Roundtrip price
$771
Distance
5005 mi

Brussels to Boise Flights

The cheapest times to fly from Brussels to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Brussels to Boise are during the month of October. You can find some of the cheapest flights from Brussels to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Brussels to Boise

Sunday is one of the best days to book for cheap flights from Brussels to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Brussels to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Brussels to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $819 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Brussels to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Brussels to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Brussels - National Airport (BRU) to Boise Airport (BOI) cost?
Snag a cheap one-way flight from $819 or cheap return flight from $771 from Brussels - National Airport (BRU) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Brussels - National Airport (BRU) to Boise Airport (BOI)?
Traveling in October may help you find better deals, as it's the cheapest month for flights between BRU and BOI. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Brussels - National Airport (BRU) to Boise Airport (BOI)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from BRU to BOI. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Brussels - National Airport (BRU) to Boise Airport (BOI)?
There aren't any daily nonstop flights from Brussels - National Airport (BRU) to Boise Airport (BOI). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BRU to BOI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Brussels - National Airport (BRU) to Boise Airport (BOI)?
To touch down at Boise Airport (BOI) on schedule, select a flight that leaves Brussels - National Airport (BRU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Brussels - National Airport (BRU) to Boise Airport (BOI) last-minute?
Waiting until just before your departure to book your flight from BRU to BOI often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book a BRU to BOI flight and hotel package?
Securing a BRU to BOI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Brussels - National Airport (BRU) to Boise Airport (BOI)?
Typically, you can modify or cancel your BRU to BOI flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

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*Available to One Key members.