$393 Cheap Flights from Washington (IAD) to Lyon (LYS)

View $393 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Saint-Exupery Airport (LYS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Lyon (IAD-LYS)

Prices were available within the past 7 days and start at $393 for one-way flights and $397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Wed, Oct 29 - Wed, Nov 5
IAD
Washington
LYS
Lyon
$397 Roundtrip, found 5 days ago
$397
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Wed, Oct 29 from Washington to Lyon, returning Wed, Nov 5, priced at $397 found 5 days ago
Scandinavian Airlines
Wed, Oct 29 - Mon, Nov 10
IAD
Washington
LYS
Lyon
$464 Roundtrip, found 5 days ago
$464
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Wed, Oct 29 from Washington to Lyon, returning Mon, Nov 10, priced at $464 found 5 days ago
Scandinavian Airlines
Sun, Feb 1 - Sun, Feb 8
IAD
Washington
LYS
Lyon
$518 Roundtrip, found 5 days ago
$518
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Sun, Feb 1 from Washington to Lyon, returning Sun, Feb 8, priced at $518 found 5 days ago
Scandinavian Airlines
Sun, Sep 21 - Mon, Sep 29
IAD
Washington
LYS
Lyon
$530 Roundtrip, found 3 hours ago
$530
Roundtrip
found 3 hours ago
Select Scandinavian Airlines flight, departing Sun, Sep 21 from Washington to Lyon, returning Mon, Sep 29, priced at $530 found 3 hours ago
TAP Portugal
Fri, Sep 5 - Sun, Sep 14
IAD
Washington
LYS
Lyon
$594 Roundtrip, found 4 days ago
$594
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Fri, Sep 5 from Washington to Lyon, returning Sun, Sep 14, priced at $594 found 4 days ago
United
Mon, Oct 20 - Thu, Nov 6
IAD
Washington
LYS
Lyon
$626 Roundtrip, found 1 day ago
$626
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 20 from Washington to Lyon, returning Thu, Nov 6, priced at $626 found 1 day ago
Aer Lingus
Wed, May 6 - Wed, May 13
IAD
Washington
LYS
Lyon
$636 Roundtrip, found 4 days ago
$636
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, May 6 from Washington to Lyon, returning Wed, May 13, priced at $636 found 4 days ago
Iberia
Tue, Apr 28 - Thu, May 7
IAD
Washington
LYS
Lyon
$653 Roundtrip, found 3 days ago
$653
Roundtrip
found 3 days ago
Select Iberia flight, departing Tue, Apr 28 from Washington to Lyon, returning Thu, May 7, priced at $653 found 3 days ago
British Airways
Tue, Apr 28 - Mon, May 11
IAD
Washington
LYS
Lyon
$654 Roundtrip, found 4 days ago
$654
Roundtrip
found 4 days ago
Select British Airways flight, departing Tue, Apr 28 from Washington to Lyon, returning Mon, May 11, priced at $654 found 4 days ago
American Airlines
Wed, Oct 22 - Mon, Nov 3
IAD
Washington
LYS
Lyon
$655 Roundtrip, found 5 days ago
$655
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Oct 22 from Washington to Lyon, returning Mon, Nov 3, priced at $655 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to Lyon (LYS)

October is typically the cheapest month to fly

From $521 - $976 per traveler.

Graph displaying average flight prices per month

Alternative airports near Lyon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Saint-Exupery LYS. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $773
LYS
Saint-Exupery
Cheapest
Average driving time to city center26 min
Flights from $773
Flights from Washington (IAD) to Lyon (LYS)
Origin airport
Washington Dulles Intl.
Destination airport
Saint-Exupery
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$396
Distance
4049 mi

Washington to Lyon Flights

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

 

The best time to book a flight from Washington to Lyon

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Lyon in 2025. You can also book with separate airlines for your outbound and return journeys, from $393 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 Washington 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 Washington 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 Washington Dulles Intl. Airport (IAD) to Saint-Exupery Airport (LYS) cost?
Discover the latest flight deals from IAD 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 IAD to LYS?
The cheapest flights from IAD 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 IAD to LYS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to LYS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Saint-Exupery Airport (LYS)?
You'll have to take a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Saint-Exupery Airport (LYS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IAD to LYS?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier 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 Washington Dulles Intl. Airport (IAD) to Saint-Exupery Airport (LYS)?
To arrive at Saint-Exupery Airport (LYS) on schedule, choose a flight that takes off from Washington Dulles Intl. Airport (IAD) 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 Washington Dulles Intl. Airport (IAD) to Saint-Exupery Airport (LYS) last-minute?
Holding off until just before your departure to book your flight from IAD to LYS generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book an IAD to LYS flight and hotel package?
You'll generally save money by booking an IAD to LYS 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 convenient place. After selecting your preferred accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Saint-Exupery Airport (LYS)?
It's generally possible to cancel or reschedule your IAD to LYS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.