$717 Cheap Aer Lingus flights Lyon (LYS) to Washington (IAD)

View $717 flight on Mon, Sep 22, 2025Opens in a new window

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$717 Cheap Aer Lingus flights Lyon (LYS) to Washington (IAD)

Prices were available within the past 7 days and start at $717 for one-way flights and $932 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Sun, Aug 17 - Tue, Aug 26
LYS
Lyon
IAD
Washington
$932 Roundtrip, found 5 days ago
$932
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Sun, Aug 17 from Lyon to Washington, returning Tue, Aug 26, priced at $932 found 5 days ago
Flights from Lyon (LYS) to Washington (IAD)
Origin airport
Saint-Exupery
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Austrian Airlines, British Airways, Brussels Airlines, Lufthansa, Royal Air Maroc, Scandinavian Airlines, TAP Portugal, Turkish Airlines
Popular airline
Brussels Airlines
Distance
4049 mi

Frequently asked questions

How much is an Aer Lingus flight from Saint-Exupery Airport (LYS) to Washington Dulles Intl. Airport (IAD)?
Use the "Price (lowest to highest)" filter on Expedia to search for cheap Aer Lingus return flights from $932 from LYS to IAD. Affordable one-way tickets from $717 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LYS to IAD with Aer Lingus?
Aer Lingus flights to Washington tend to be cheaper in the quieter months of January and February. Whether you're in search of a round-trip or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Saint-Exupery Airport (LYS) to Washington Dulles Intl. Airport (IAD) with Aer Lingus?
To get affordable flights from LYS to IAD with Aer Lingus, start your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another helpful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Aer Lingus fly nonstop from Saint-Exupery Airport (LYS) to Washington Dulles Intl. Airport (IAD)?
To see if there's a direct trip from LYS to IAD with Aer Lingus or other airlines, select the "Nonstop" filter when looking for flights.
What is the earliest Aer Lingus flight from LYS to IAD?
To find the earliest departures from LYS to IAD with Aer Lingus, filter your search by "Morning" and "Early Morning." Booking an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Aer Lingus fly into in Washington?
Washington Dulles Intl. Airport (IAD) is the main Washington hub for Aer Lingus flights from Saint-Exupery Airport (LYS).
What kind of luggage can I take on an Aer Lingus flight from Saint-Exupery Airport (LYS) to Washington Dulles Intl. Airport (IAD)?
On a standard economy flight with Aer Lingus from LYS to IAD, you can bring 1 checked-in bag up to 50 lb with dimensions no larger than 62 inches in total. For hand luggage, you're permitted 1 cabin bag weighing up to 22 lb and measuring no more than 21 inches x 15 inches x 9 inches. Size and weight allowances can differ depending on the airfare type and cabin class you're in. To make sure you're not hit with additional charges at the terminal, double-check your Aer Lingus booking or go to the airline's website before you start packing.
Why fly with Aer Lingus from LYS to IAD?
Aer Lingus makes flying from LYS to IAD enjoyable with a 4-star airline rating and a rewarding loyalty program. You could even start collecting points with Aer Lingus AerClub. Remember to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Aer Lingus flight from Saint-Exupery Airport (LYS) to Washington Dulles Intl. Airport (IAD)?
Changes are usually free within 24 hours of making your booking, but your airline may charge a fee after that time. For more information about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without additional charges, apply the "No cancel fee" or "Changes included" filter when organizing your next trip.

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