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$837+ Cheap flights from Lyon (LYS) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — BOI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Lyon to Idaho

Keep the following information in mind while searching for Lyon to Idaho flight deals. Data was last updated August 14, 2025.

Round-trip from

$837
(United Airlines)
From Lyon-Saint Exupéry to Idaho
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Find flight deals from Lyon to Idaho

Cheapest flights from Lyon to Idaho
Explore the most affordable flight options available from Lyon to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 11/136:15 amLYS - BOI
2 stops24h 30mUnited Airlines
Mon 11/1710:40 amBOI - LYS
2 stops23h 30mUnited Airlines
Deal found 8/13$837
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:35 amLYS - BOI
2 stops35h 04mAmerican Airlines
Mon 11/171:29 pmBOI - LYS
2 stops20h 01mAmerican Airlines
Deal found 8/12$866

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lyon to Idaho 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 August 14, 2025.
Use the filters below to find and compare flights from Lyon to Idaho that are best for you.

Fly from

Lyon

Fly to

Idaho

Route

Depart

Return

Price

LyonBoise

LYS - BOI

LYSBOI

Lyon-Saint Exupéry

Thu 11/13

6:15 am-10:45 pm

2 stops24h 30m

Boise Air Term. Gowen Fld

Mon 11/17

10:40 am-6:10 pm

2 stops23h 30m

$837

LyonBoise

LYS - BOI

LYSBOI

Lyon-Saint Exupéry

Thu 11/13

9:35 am-12:39 pm

2 stops35h 04m

Boise Air Term. Gowen Fld

Mon 11/17

1:29 pm-5:30 pm

2 stops20h 01m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Lyon to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Lyon 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 Lyon to Idaho
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Lyon to Idaho. 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 Lyon to Idaho?

    Located just 12.5 mi from the city center, Lyon-Saint Exupéry (LYS) is the airport most travelers will use when flying to Idaho from Lyon.

  • Can I find deals for flights from Lyon to Idaho that include hotel bookings?

    Yes. In addition to deals on Lyon to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lyon to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lyon to Idaho.

  • Can I find deals for business class flights from Lyon to Idaho?

    Yes. Cheapflights offers flight deals from Lyon to Idaho 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 Lyon to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Lyon to Idaho (average of $314). Flying from Lyon to Idaho in June is currently the most expensive (average of $399). 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

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