$865 Cheap Flights from Basel (BSL) to Boise (BOI)

View $865 flight on Fri, Feb 20, 2026Opens in a new window

Popular airlines from EuroAirport Airport (BSL) to Boise Airport (BOI)

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Cheap Flights from Basel to Boise (BSL-BOI)

Prices were available within the past 7 days and start at $865 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Basel (BSL) to Boise (BOI)
Origin airport
EuroAirport
Destination airport
Boise
Distance
5268 mi

Basel to Boise Flights

The cheapest times to fly from Basel 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 Basel to Boise are during the month of . You can find some of the cheapest flights from Basel to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Basel to Boise

Sunday is one of the best days to book for cheap flights from Basel 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 Basel 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 Basel to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $865 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 Basel 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 Basel 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 EuroAirport Airport (BSL) to Boise Airport (BOI) cost?
Snag a cheap one-way flight from $865 or cheap return flight from EuroAirport Airport (BSL) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from EuroAirport Airport (BSL) to Boise Airport (BOI)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between BSL and BOI. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from EuroAirport Airport (BSL) to Boise Airport (BOI)?
To find the cheapest airline that'll fly you from BSL to BOI, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from EuroAirport Airport (BSL) to Boise Airport (BOI)?
Direct flights from EuroAirport Airport (BSL) to Boise Airport (BOI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BSL to BOI?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from EuroAirport Airport (BSL) to Boise Airport (BOI)?
To land at Boise Airport (BOI) without delays, pick a flight that leaves from EuroAirport Airport (BSL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 EuroAirport Airport (BSL) to Boise Airport (BOI) last-minute?
Last-minute bookings from BSL to BOI are usually more expensive. For the best prices, start searching for flights ahead of time. That being said, if your travel plans are flexible, you may score a cheap fare just before your departure.
Is it cheaper to book a BSL to BOI flight and hotel package?
You'll typically save money by securing a BSL to BOI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from EuroAirport Airport (BSL) to Boise Airport (BOI)?
In most instances, you can modify or cancel your BSL to BOI flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.