$446 Cheap Flights from Marseille (MRS) to St. Louis (STL)

View $446 flight on Wed, May 6, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $446 for one-way flights and $629 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$629 Roundtrip, found 6 days ago
$629
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $629 found 6 days ago
British Airways
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$635 Roundtrip, found 6 days ago
$635
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $635 found 6 days ago
British Airways
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$661 Roundtrip, found 6 days ago
$661
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $661 found 6 days ago
British Airways
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$685 Roundtrip, found 6 days ago
$685
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $685 found 6 days ago
Lufthansa
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$697 Roundtrip, found 6 days ago
$697
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $697 found 6 days ago
Lufthansa
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$699 Roundtrip, found 6 days ago
$699
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $699 found 6 days ago
British Airways
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$711 Roundtrip, found 6 days ago
$711
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $711 found 6 days ago
Iberia
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$719 Roundtrip, found 6 days ago
$719
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $719 found 6 days ago
Air Canada
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$721 Roundtrip, found 6 days ago
$721
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $721 found 6 days ago
Swiss International Air Lines
Wed, Nov 12 - Mon, Nov 17
MRS
Marseille
STL
St. Louis
$741 Roundtrip, found 6 days ago
$741
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Wed, Nov 12 from Marseille to St. Louis, returning Mon, Nov 17, priced at $741 found 6 days ago
Flights from Marseille (MRS) to St. Louis (STL)
Origin airport
Marseille - Provence
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, United
Roundtrip price
$629
Distance
4695 mi

Marseille to St. Louis Flights

The cheapest times to fly from Marseille to St. Louis

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

 

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

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

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 Marseille to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $446 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 Marseille to St. Louis 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 Marseille to St. Louis 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 Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $446 or cheap return flight from $629 from Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL) 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 Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from MRS to STL is November, when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from MRS to STL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MRS to STL?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary 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 Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL)?
Choose a flight from Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be 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 Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until right before your break to book a ticket from MRS to STL generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a MRS to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a MRS to STL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Marseille - Provence Airport (MRS) to Lambert-St. Louis Intl. Airport (STL)?
In most instances, you can reschedule or cancel your MRS to STL flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.