$450 Cheap Flights from Paris (CDG) to St. Louis (STL)

View $450 flight on Wed, May 13, 2026Opens in a new window

Popular airlines from Paris Charles de Gaulle Airport (CDG) to St. Louis Lambert Intl. Airport (STL)

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

Prices were available within the past 7 days and start at $450 for one-way flights and $698 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Nov 7 - Sat, Nov 8
CDG
Paris
STL
St. Louis
$698 Roundtrip, found 6 days ago
$698
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Nov 7 from Paris to St. Louis, returning Sat, Nov 8, priced at $698 found 6 days ago
Lufthansa
Wed, Dec 24 - Wed, Dec 31
CDG
Paris
STL
St. Louis
$704 Roundtrip, found 4 days ago
$704
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Dec 24 from Paris to St. Louis, returning Wed, Dec 31, priced at $704 found 4 days ago
Lufthansa
Wed, Nov 12 - Thu, Dec 11
CDG
Paris
STL
St. Louis
$706 Roundtrip, found 6 days ago
$706
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Nov 12 from Paris to St. Louis, returning Thu, Dec 11, priced at $706 found 6 days ago
Lufthansa
Wed, Dec 3 - Wed, Dec 10
CDG
Paris
STL
St. Louis
$709 Roundtrip, found 2 days ago
$709
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Dec 3 from Paris to St. Louis, returning Wed, Dec 10, priced at $709 found 2 days ago
British Airways
Wed, Jan 7 - Mon, Jan 12
CDG
Paris
STL
St. Louis
$711 Roundtrip, found 4 days ago
$711
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Jan 7 from Paris to St. Louis, returning Mon, Jan 12, priced at $711 found 4 days ago
Lufthansa
Fri, Mar 20 - Wed, Mar 25
CDG
Paris
STL
St. Louis
$713 Roundtrip, found 2 days ago
$713
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Mar 20 from Paris to St. Louis, returning Wed, Mar 25, priced at $713 found 2 days ago
Lufthansa
Fri, Nov 28 - Fri, Dec 5
CDG
Paris
STL
St. Louis
$713 Roundtrip, found 6 days ago
$713
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Nov 28 from Paris to St. Louis, returning Fri, Dec 5, priced at $713 found 6 days ago
British Airways
Tue, Dec 2 - Mon, Dec 15
CDG
Paris
STL
St. Louis
$715 Roundtrip, found 7 hours ago
$715
Roundtrip
found 7 hours ago
Select British Airways flight, departing Tue, Dec 2 from Paris to St. Louis, returning Mon, Dec 15, priced at $715 found 7 hours ago
Air Canada
Fri, Nov 21 - Sat, Nov 29
CDG
Paris
STL
St. Louis
$717 Roundtrip, found 2 days ago
$717
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Nov 21 from Paris to St. Louis, returning Sat, Nov 29, priced at $717 found 2 days ago
Iberia
Mon, Jan 12 - Mon, Jan 26
CDG
Paris
STL
St. Louis
$718 Roundtrip, found 6 days ago
$718
Roundtrip
found 6 days ago
Select Iberia flight, departing Mon, Jan 12 from Paris to St. Louis, returning Mon, Jan 26, priced at $718 found 6 days ago

Alternative airports near St. Louis

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

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $856
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $856

Frequently asked questions

How much does a flight from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight from $450 or cheap return flight from $698 from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL) 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 Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL)?
Traveling in November may help you find better deals, as it's the cheapest month for flights between CDG and STL. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from CDG to STL. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from Roissy-Charles de Gaulle Airport (CDG) 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 Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CDG to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL) route, travel before 3 PM. Later departures are 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 Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from CDG to STL are generally more expensive. To lock in the best rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a CDG to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a CDG to STL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you're able to reschedule or cancel your CDG to STL flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
Roissy-Charles de Gaulle
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$698
Distance
4387 mi

Book with confidence

Paris to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Paris 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 Paris 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 Paris to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $450 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 Paris 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 Paris 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.

 

Paris to St. Louis Flights

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