$578 Cheap Flights from Lyon (LYS) to Denver (DEN)

View $578 flight on Fri, Sep 12, 2025Opens in a new window

Popular airlines from Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN)

Cheap Flights from Lyon to Denver (LYS-DEN)

Prices were available within the past 7 days and start at $578 for one-way flights and $634 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, Feb 14 - Wed, Feb 25
LYS
Lyon
DEN
Denver
$634 Roundtrip, found 4 days ago
$634
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Feb 14 from Lyon to Denver, returning Wed, Feb 25, priced at $634 found 4 days ago
British Airways
Sat, Feb 14 - Wed, Feb 25
LYS
Lyon
DEN
Denver
$640 Roundtrip, found 4 days ago
$640
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Feb 14 from Lyon to Denver, returning Wed, Feb 25, priced at $640 found 4 days ago
British Airways
Sat, Feb 14 - Wed, Feb 25
LYS
Lyon
DEN
Denver
$645 Roundtrip, found 4 days ago
$645
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Feb 14 from Lyon to Denver, returning Wed, Feb 25, priced at $645 found 4 days ago
British Airways
Fri, Feb 13 - Wed, Feb 25
LYS
Lyon
DEN
Denver
$660 Roundtrip, found 4 days ago
$660
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Feb 13 from Lyon to Denver, returning Wed, Feb 25, priced at $660 found 4 days ago
British Airways
Fri, Nov 21 - Fri, Nov 28
LYS
Lyon
DEN
Denver
$664 Roundtrip, found 3 hours ago
$664
Roundtrip
found 3 hours ago
Select British Airways flight, departing Fri, Nov 21 from Lyon to Denver, returning Fri, Nov 28, priced at $664 found 3 hours ago
British Airways
Sat, Feb 14 - Wed, Feb 25
LYS
Lyon
DEN
Denver
$667 Roundtrip, found 4 days ago
$667
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Feb 14 from Lyon to Denver, returning Wed, Feb 25, priced at $667 found 4 days ago
Air Canada
Fri, Nov 21 - Fri, Nov 28
LYS
Lyon
DEN
Denver
$704 Roundtrip, found 3 hours ago
$704
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Fri, Nov 21 from Lyon to Denver, returning Fri, Nov 28, priced at $704 found 3 hours ago
Lufthansa
Fri, Nov 21 - Fri, Nov 28
LYS
Lyon
DEN
Denver
$708 Roundtrip, found 3 hours ago
$708
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Fri, Nov 21 from Lyon to Denver, returning Fri, Nov 28, priced at $708 found 3 hours ago
Iberia
Sat, Nov 22 - Wed, Nov 26
LYS
Lyon
DEN
Denver
$735 Roundtrip, found 1 day ago
$735
Roundtrip
found 1 day ago
Select Iberia flight, departing Sat, Nov 22 from Lyon to Denver, returning Wed, Nov 26, priced at $735 found 1 day ago
Brussels Airlines
Sat, Feb 14 - Wed, Feb 25
LYS
Lyon
DEN
Denver
$747 Roundtrip, found 4 days ago
$747
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Sat, Feb 14 from Lyon to Denver, returning Wed, Feb 25, priced at $747 found 4 days ago
Flights from Lyon (LYS) to Denver (DEN)
Origin airport
Saint-Exupery
Destination airport
Denver Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, Lufthansa, Scandinavian Airlines, United
Roundtrip price
$634
Distance
5104 mi

Lyon to Denver Flights

The cheapest times to fly from Lyon to Denver

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

 

The best time to book a flight from Lyon to Denver

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

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 Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $578 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 Denver 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 Denver 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 Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN) cost?
Lock in a cheap one-way flight from $578 or cheap return flight from $634 from Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN)?
Traveling in February is a great way to save, as it's the cheapest month for flights between LYS and DEN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LYS to DEN flight.
How many flights per day from Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN)?
You'll need to book a flight with a layover when traveling from Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from LYS to DEN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN)?
To avoid possible delays on the Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN) route, fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from LYS to DEN are typically more expensive. To secure the cheapest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, you may find a cheap fare just before your departure.
Is it cheaper to book a LYS to DEN flight and hotel package?
Compared with arranging hotels and flights separately, booking a LYS to DEN flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Saint-Exupery Airport (LYS) to Denver Intl. Airport (DEN)?
If you reserved your LYS to DEN flight in the last 24 hours, you may be able to cancel or modify it at no cost. 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, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.