$568 Cheap Flights from Lyon (LYS) to Boise (BOI)

View $568 flight on Wed, May 20, 2026Opens in a new window

Popular airlines from Saint-Exupery Airport (LYS) to Boise Airport (BOI)

Cheap Flights from Lyon to Boise (LYS-BOI)

Prices were available within the past 7 days and start at $568 for one-way flights and $1,290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,290 Roundtrip, found 2 days ago
$1,290
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,290 found 2 days ago
British Airways
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,292 Roundtrip, found 2 days ago
$1,292
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,292 found 2 days ago
Lufthansa
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,348 Roundtrip, found 2 days ago
$1,348
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,348 found 2 days ago
Aer Lingus
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,360 Roundtrip, found 2 days ago
$1,360
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,360 found 2 days ago
Aer Lingus
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,387 Roundtrip, found 2 days ago
$1,387
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,387 found 2 days ago
Aer Lingus
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,391 Roundtrip, found 2 days ago
$1,391
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,391 found 2 days ago
Aer Lingus
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,392 Roundtrip, found 2 days ago
$1,392
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,392 found 2 days ago
Aer Lingus
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,427 Roundtrip, found 2 days ago
$1,427
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,427 found 2 days ago
Turkish Airlines
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,477 Roundtrip, found 2 days ago
$1,477
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,477 found 2 days ago
Iberia
Thu, Dec 18 - Tue, Jan 6
LYS
Lyon
BOI
Boise
$1,490 Roundtrip, found 2 days ago
$1,490
Roundtrip
found 2 days ago
Select Iberia flight, departing Thu, Dec 18 from Lyon to Boise, returning Tue, Jan 6, priced at $1,490 found 2 days ago

Frequently asked questions

How much does a flight from Saint-Exupery Airport (LYS) to Boise Airport (BOI) cost?
Snag a cheap one-way flight from $568 or cheap return flight from $1,290 from Saint-Exupery Airport (LYS) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Saint-Exupery Airport (LYS) to Boise Airport (BOI)?
The cheapest month to fly from LYS to BOI is December, when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Saint-Exupery Airport (LYS) to Boise Airport (BOI)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from LYS to BOI. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Saint-Exupery Airport (LYS) to Boise Airport (BOI)?
There are no daily nonstop flights departing from Saint-Exupery Airport (LYS) 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 cruising above the clouds in no time.
What day of the week has the most flights from LYS to BOI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Saint-Exupery Airport (LYS) to Boise Airport (BOI)?
Choose a flight from Saint-Exupery Airport (LYS) to Boise Airport (BOI) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Saint-Exupery Airport (LYS) to Boise Airport (BOI) last-minute?
Booking your ticket from LYS to BOI right before your journey is usually more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a LYS to BOI flight and hotel package?
Compared with arranging flights and hotels separately, booking a LYS to BOI flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Saint-Exupery Airport (LYS) to Boise Airport (BOI)?
In most cases, you're able to reschedule or cancel your LYS to BOI flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, visit our Customer Service portal.

Travel information

Origin airport
Saint-Exupery
Destination airport
Boise
Roundtrip price
$1,290
Distance
5296 mi

Book with confidence

Lyon to Boise Flights

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

 

The best time to book a flight from Lyon to Boise

Sunday is one of the best days to book for cheap flights from Lyon 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 Lyon 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 Lyon to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $568 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 Lyon 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 Lyon 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.

 

Lyon to Boise Flights

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*Available to One Key members.