$471 Cheap Flights from St. Louis (STL) to Marseille (MRS)

View $471 flight on Mon, Apr 13, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Marseille - Provence Airport (MRS)

Cheap Flights from St. Louis to Marseille (STL-MRS)

Prices were available within the past 7 days and start at $471 for one-way flights and $662 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Apr 13 - Fri, May 1
STL
St. Louis
MRS
Marseille
$662 Roundtrip, found 1 hour ago
$662
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Apr 13 from St. Louis to Marseille, returning Fri, May 1, priced at $662 found 1 hour ago
Lufthansa
Sun, Apr 12 - Fri, May 1
STL
St. Louis
MRS
Marseille
$662 Roundtrip, found 1 day ago
$662
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Apr 12 from St. Louis to Marseille, returning Fri, May 1, priced at $662 found 1 day ago
United
Sun, Apr 12 - Fri, May 1
STL
St. Louis
MRS
Marseille
$662 Roundtrip, found 1 day ago
$662
Roundtrip
found 1 day ago
Select United flight, departing Sun, Apr 12 from St. Louis to Marseille, returning Fri, May 1, priced at $662 found 1 day ago
United
Mon, Apr 13 - Fri, May 1
STL
St. Louis
MRS
Marseille
$664 Roundtrip, found 1 hour ago
$664
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Apr 13 from St. Louis to Marseille, returning Fri, May 1, priced at $664 found 1 hour ago
United
Mon, Apr 13 - Fri, May 1
STL
St. Louis
MRS
Marseille
$667 Roundtrip, found 1 hour ago
$667
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Apr 13 from St. Louis to Marseille, returning Fri, May 1, priced at $667 found 1 hour ago
United
Mon, Apr 13 - Fri, May 1
STL
St. Louis
MRS
Marseille
$667 Roundtrip, found 1 hour ago
$667
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Apr 13 from St. Louis to Marseille, returning Fri, May 1, priced at $667 found 1 hour ago
Air Canada
Mon, Apr 13 - Fri, May 1
STL
St. Louis
MRS
Marseille
$669 Roundtrip, found 1 hour ago
$669
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Apr 13 from St. Louis to Marseille, returning Fri, May 1, priced at $669 found 1 hour ago
United
Mon, Mar 16 - Tue, Mar 31
STL
St. Louis
MRS
Marseille
$669 Roundtrip, found 1 day ago
$669
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 16 from St. Louis to Marseille, returning Tue, Mar 31, priced at $669 found 1 day ago
British Airways
Mon, Apr 13 - Fri, May 1
STL
St. Louis
MRS
Marseille
$674 Roundtrip, found 1 hour ago
$674
Roundtrip
found 1 hour ago
Select British Airways flight, departing Mon, Apr 13 from St. Louis to Marseille, returning Fri, May 1, priced at $674 found 1 hour ago
American Airlines
Mon, Apr 13 - Fri, May 1
STL
St. Louis
MRS
Marseille
$710 Roundtrip, found 1 hour ago
$710
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Apr 13 from St. Louis to Marseille, returning Fri, May 1, priced at $710 found 1 hour ago
Flights from St. Louis (STL) to Marseille (MRS)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Marseille - Provence
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, Lufthansa, United
Roundtrip price
$661
Distance
4695 mi

St. Louis to Marseille Flights

The cheapest times to fly from St. Louis to Marseille

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

 

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

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

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 Marseille in 2025. You can also book with separate airlines for your outbound and return journeys, from $471 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 Marseille 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 Marseille 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 Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS) cost?
Get a cheap one-way flight from $471 or cheap return flight from $662 from Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS)?
The cheapest month to fly from STL to MRS is April, when there's less demand. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to MRS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS)?
You'll need to hop on a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from STL to MRS?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, airline 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 Marseille - Provence Airport (MRS)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Marseille - Provence Airport (MRS) last-minute?
Booking your flight from STL to MRS just before your trip is typically more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to MRS flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to MRS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Marseille - Provence Airport (MRS)?
Typically, it's possible to reschedule or cancel your STL to MRS 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 whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.