$334 Cheap Flights from Boston (BOS) to Lyon (LYS)

View $334 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Saint-Exupery Airport (LYS)

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Cheap Flights from Boston to Lyon (BOS-LYS)

Prices were available within the past 7 days and start at $334 for one-way flights and $406 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Aug 11 - Tue, Aug 26
BOS
Boston
LYS
Lyon
$406 Roundtrip, found 10 hours ago
$406
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Mon, Aug 11 from Boston to Lyon, returning Tue, Aug 26, priced at $406 found 10 hours ago
United
Wed, Nov 26 - Thu, Dec 4
BOS
Boston
LYS
Lyon
$406 Roundtrip, found 1 day ago
$406
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 26 from Boston to Lyon, returning Thu, Dec 4, priced at $406 found 1 day ago
United
Wed, Oct 29 - Mon, Nov 3
BOS
Boston
LYS
Lyon
$425 Roundtrip, found 23 hours ago
$425
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Oct 29 from Boston to Lyon, returning Mon, Nov 3, priced at $425 found 23 hours ago
United
Wed, Oct 29 - Wed, Nov 5
BOS
Boston
LYS
Lyon
$425 Roundtrip, found 23 hours ago
$425
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Oct 29 from Boston to Lyon, returning Wed, Nov 5, priced at $425 found 23 hours ago
United
Wed, Nov 26 - Tue, Dec 2
BOS
Boston
LYS
Lyon
$426 Roundtrip, found 1 day ago
$426
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 26 from Boston to Lyon, returning Tue, Dec 2, priced at $426 found 1 day ago
Iberia
Tue, Mar 17 - Tue, Mar 31
BOS
Boston
LYS
Lyon
$429 Roundtrip, found 4 days ago
$429
Roundtrip
found 4 days ago
Select Iberia flight, departing Tue, Mar 17 from Boston to Lyon, returning Tue, Mar 31, priced at $429 found 4 days ago
Brussels Airlines
Mon, Jan 12 - Wed, Jan 21
BOS
Boston
LYS
Lyon
$429 Roundtrip, found 8 hours ago
$429
Roundtrip
found 8 hours ago
Select Brussels Airlines flight, departing Mon, Jan 12 from Boston to Lyon, returning Wed, Jan 21, priced at $429 found 8 hours ago
American Airlines
Mon, Jan 12 - Wed, Jan 21
BOS
Boston
LYS
Lyon
$433 Roundtrip, found 8 hours ago
$433
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Jan 12 from Boston to Lyon, returning Wed, Jan 21, priced at $433 found 8 hours ago
Aer Lingus
Tue, Sep 2 - Tue, Sep 9
BOS
Boston
LYS
Lyon
$441 Roundtrip, found 7 hours ago
$441
Roundtrip
found 7 hours ago
Select Aer Lingus flight, departing Tue, Sep 2 from Boston to Lyon, returning Tue, Sep 9, priced at $441 found 7 hours ago
Lufthansa
Mon, Oct 27 - Wed, Nov 12
BOS
Boston
LYS
Lyon
$449 Roundtrip, found 2 days ago
$449
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Oct 27 from Boston to Lyon, returning Wed, Nov 12, priced at $449 found 2 days ago

Find the cheapest month to fly from Boston (BOS) to Lyon (LYS)

November is typically the cheapest month to fly

From $429 - $1,108 per traveler.

Graph displaying average flight prices per month

Flights from Boston (BOS) to Lyon (LYS)
Origin airport
Logan Intl.
Destination airport
Saint-Exupery
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Royal Air Maroc, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$405
Distance
3638 mi

Boston to Lyon Flights

The cheapest times to fly from Boston to Lyon

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 Boston to Lyon are during the month of August. You can find some of the cheapest flights from Boston to Lyon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Lyon

Sunday is one of the best days to book for cheap flights from Boston to Lyon: 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 Boston to Lyon

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 Boston to Lyon in 2025. You can also book with separate airlines for your outbound and return journeys, from $334 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 Boston to Lyon 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 Boston to Lyon 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 Logan Intl. Airport (BOS) to Saint-Exupery Airport (LYS) cost?
Discover the latest flight deals from BOS to LYS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOS to LYS?
The cheapest flights from BOS to LYS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BOS to LYS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to LYS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Saint-Exupery Airport (LYS)?
Nonstop flights from Logan Intl. Airport (BOS) to Saint-Exupery Airport (LYS) 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 details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to LYS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Saint-Exupery Airport (LYS)?
Choose a flight from Logan Intl. Airport (BOS) to Saint-Exupery Airport (LYS) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this 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 Logan Intl. Airport (BOS) to Saint-Exupery Airport (LYS) last-minute?
Last-minute bookings from BOS to LYS are typically more expensive. For the best rates, start looking for flights ahead of time. That said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a BOS to LYS flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to LYS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Saint-Exupery Airport (LYS)?
If you booked your BOS to LYS flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.