$457 Cheap Flights from St. Louis (STL) to Paris (ORY)

View $457 flight on Tue, Feb 24, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Paris Orly Airport (ORY)

Cheap Flights from St. Louis to Paris (STL-ORY)

Prices were available within the past 7 days and start at $457 for one-way flights and $628 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Mon, Mar 23 - Fri, Apr 3
STL
St. Louis
ORY
Paris
$628 Roundtrip, found 4 days ago
$628
Roundtrip
found 4 days ago
Select Iberia flight, departing Mon, Mar 23 from St. Louis to Paris, returning Fri, Apr 3, priced at $628 found 4 days ago
Iberia
Tue, Dec 2 - Wed, Dec 10
STL
St. Louis
ORY
Paris
$628 Roundtrip, found 4 hours ago
$628
Roundtrip
found 4 hours ago
Select Iberia flight, departing Tue, Dec 2 from St. Louis to Paris, returning Wed, Dec 10, priced at $628 found 4 hours ago
Iberia
Tue, Feb 17 - Tue, Feb 24
STL
St. Louis
ORY
Paris
$636 Roundtrip, found 5 days ago
$636
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Feb 17 from St. Louis to Paris, returning Tue, Feb 24, priced at $636 found 5 days ago
Iberia
Tue, Feb 17 - Tue, Feb 24
STL
St. Louis
ORY
Paris
$638 Roundtrip, found 5 days ago
$638
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Feb 17 from St. Louis to Paris, returning Tue, Feb 24, priced at $638 found 5 days ago
Iberia
Tue, Feb 17 - Tue, Feb 24
STL
St. Louis
ORY
Paris
$641 Roundtrip, found 5 days ago
$641
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Feb 17 from St. Louis to Paris, returning Tue, Feb 24, priced at $641 found 5 days ago
Iberia
Tue, Jan 13 - Tue, Jan 20
STL
St. Louis
ORY
Paris
$644 Roundtrip, found 2 days ago
$644
Roundtrip
found 2 days ago
Select Iberia flight, departing Tue, Jan 13 from St. Louis to Paris, returning Tue, Jan 20, priced at $644 found 2 days ago
Iberia
Tue, Feb 17 - Tue, Feb 24
STL
St. Louis
ORY
Paris
$646 Roundtrip, found 5 days ago
$646
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Feb 17 from St. Louis to Paris, returning Tue, Feb 24, priced at $646 found 5 days ago
Iberia
Wed, Mar 11 - Sat, Mar 21
STL
St. Louis
ORY
Paris
$678 Roundtrip, found 1 day ago
$678
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Mar 11 from St. Louis to Paris, returning Sat, Mar 21, priced at $678 found 1 day ago
American Airlines
Thu, Feb 12 - Mon, Feb 16
STL
St. Louis
ORY
Paris
$721 Roundtrip, found 1 day ago
$721
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 12 from St. Louis to Paris, returning Mon, Feb 16, priced at $721 found 1 day ago
Air France
Mon, Oct 13 - Fri, Oct 17
STL
St. Louis
ORY
Paris
$1,921 Roundtrip, found 9 hours ago
$1,921
Roundtrip
found 9 hours ago
Select Air France flight, departing Mon, Oct 13 from St. Louis to Paris, returning Fri, Oct 17, priced at $1,921 found 9 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY) cost?
Secure a cheap one-way flight from $457 or cheap return flight from $628 from Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY)?
Planning your trip for March is a great way to save, as it's the cheapest month for flights between STL and ORY. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to ORY. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY)?
There are no daily direct flights available from Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from STL to ORY?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, 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 Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY) route, aim to fly before 3 PM. Departures after this time 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 Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY) last-minute?
Last-minute bookings from STL to ORY are typically more expensive. To lock in the lowest rates, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a STL to ORY flight and hotel package?
Booking a STL to ORY flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Orly Airport (ORY)?
Typically, it's possible to cancel or reschedule your STL to ORY flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Orly
Airlines serving
Air France, American Airlines, Iberia
Roundtrip price
$627
Distance
4388 mi

Book with confidence

Book with confidence

St. Louis to Paris Flights

The cheapest times to fly from St. Louis to Paris

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 St. Louis to Paris are during the month of March. You can find some of the cheapest flights from St. Louis to Paris with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Paris

Sunday is one of the best days to book for cheap flights from St. Louis to Paris: 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 St. Louis to Paris

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 St. Louis to Paris in 2025. You can also book with separate airlines for your outbound and return journeys, from $457 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 St. Louis to Paris 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 St. Louis to Paris 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.

 

St. Louis to Paris Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.