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$509 Cheap Flights from Paris (CDG) to St. Louis (STL)

View $509 flight on Fri, Apr 2, 2027Opens 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 $509 for one-way flights and $799 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, Nov 4 - Thu, Nov 12
CDG
Paris
STL
St. Louis
$799 Roundtrip, found 1 day ago
$799
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Nov 4 from Paris to St. Louis, returning Thu, Nov 12, priced at $799 found 1 day ago
Iberia
Thu, Nov 5 - Wed, Nov 18
CDG
Paris
STL
St. Louis
$806 Roundtrip, found 18 hours ago
$806
Roundtrip
found 18 hours ago
Select Iberia flight, departing Thu, Nov 5 from Paris to St. Louis, returning Wed, Nov 18, priced at $806 found 18 hours ago
Iberia
Wed, Nov 4 - Thu, Nov 12
CDG
Paris
STL
St. Louis
$806 Roundtrip, found 1 day ago
$806
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Nov 4 from Paris to St. Louis, returning Thu, Nov 12, priced at $806 found 1 day ago
British Airways
Sun, Nov 8 - Fri, Apr 2
CDG
Paris
STL
St. Louis
$809 Roundtrip, found 1 day ago
$809
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Nov 8 from Paris to St. Louis, returning Fri, Apr 2, priced at $809 found 1 day ago
Iberia
Thu, Nov 5 - Wed, Nov 18
CDG
Paris
STL
St. Louis
$810 Roundtrip, found 18 hours ago
$810
Roundtrip
found 18 hours ago
Select Iberia flight, departing Thu, Nov 5 from Paris to St. Louis, returning Wed, Nov 18, priced at $810 found 18 hours ago
British Airways
Wed, Nov 4 - Thu, Nov 12
CDG
Paris
STL
St. Louis
$813 Roundtrip, found 1 day ago
$813
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 4 from Paris to St. Louis, returning Thu, Nov 12, priced at $813 found 1 day ago
American Airlines
Sun, Nov 8 - Fri, Apr 2
CDG
Paris
STL
St. Louis
$817 Roundtrip, found 1 day ago
$817
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Nov 8 from Paris to St. Louis, returning Fri, Apr 2, priced at $817 found 1 day ago
Iberia
Thu, Nov 5 - Wed, Nov 18
CDG
Paris
STL
St. Louis
$818 Roundtrip, found 18 hours ago
$818
Roundtrip
found 18 hours ago
Select Iberia flight, departing Thu, Nov 5 from Paris to St. Louis, returning Wed, Nov 18, priced at $818 found 18 hours ago
United
Wed, Nov 4 - Thu, Nov 12
CDG
Paris
STL
St. Louis
$853 Roundtrip, found 1 day ago
$853
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 4 from Paris to St. Louis, returning Thu, Nov 12, priced at $853 found 1 day ago
Lufthansa
Wed, Nov 4 - Thu, Nov 12
CDG
Paris
STL
St. Louis
$853 Roundtrip, found 1 day ago
$853
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov 4 from Paris to St. Louis, returning Thu, Nov 12, priced at $853 found 1 day ago

What you need to know for your flight from Roissy-Charles de Gaulle to Lambert-St. Louis Intl.

Paris (CDG) to St. Louis (STL) at a glance

Travel from Paris (CDG) to St. Louis (STL) with a selection of airlines offering international long-haul routes. Assess various full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel plans as you set out to explore the iconic sights and neighborhoods of St. Louis. Here, you'll find essential information about flights departing from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis International Airport (STL).

  • Fastest flight duration: around 11 hours in-flight, plus roughly 2h 15m layover with one stop
  • Route distance: roughly 4,400 miles (7,080 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $335–$1210, depending on seasonality and how far ahead you book

Flights from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis International Airport (STL)

According to recent traveler bookings, here are the top airlines favored for flights from Paris to St. Louis, particularly for one-stop and multi-stop options. Common layover points include Philadelphia International Airport (PHL) with a layover of about 2 hours and 30 minutes, O'Hare International Airport (ORD) with roughly a 2-hour layover, and Dallas-Fort Worth International Airport (DFW) also featuring a 2-hour and 30-minute layover. This variety allows you to balance costs, travel time, and cabin class to find the ideal itinerary.

  • American Airlines: As a comprehensive carrier providing one-stop flights, American Airlines features one-way fares generally falling between $350 and $1240. This airline represents about 50% of all departures on this route, with an in-flight duration of 11 hours and a total travel time of approximately 13 hours and 15 minutes, including layover time.
  • Iberia: This full-service airline also offers one-stop journeys, with one-way tickets typically priced from $335 to $1165. Iberia accounts for around 15% of the flights on this route, providing an 11-hour flight and a cumulative travel time of about 13 hours and 15 minutes, factoring in layovers.
  • British Airways: Offering one-stop service, British Airways has one-way fares that usually range from $505 to $760. This airline holds about 10% of the departures for this route, featuring an in-flight time of 11 hours and a total journey duration of roughly 13 hours and 15 minutes, including any layover.
  • Aer Lingus: This full-service airline provides multi-stop options, with one-way fares generally between $870 and $1180. Aer Lingus accounts for approximately 10% of the departures on this route, with a flight time of 12 hours and 45 minutes and a total travel duration of around 17 hours and 30 minutes, including layovers.
  • United: Another full-service carrier, United offers one-stop flights with typical one-way fares ranging from $370 to $640. This airline makes up about 8% of the departures for the route, delivering an 11-hour flight and a total journey time of approximately 13 hours and 15 minutes, including layover periods.

Alternative routes from Paris (CDG) to St. Louis (STL)

  • Paris to St. Louis (CDG-CPS): St. Louis Downtown Airport (CPS) is located approximately 16 miles from Lambert-St. Louis International Airport (STL).
  • Paris to St. Louis (ORY-STL): Orly Airport (ORY) is around 21 miles from Roissy-Charles de Gaulle Airport (CDG).
  • Paris to Springfield (CDG-SPI): Abraham Lincoln Capital Airport (SPI) lies about 85 miles from Lambert-St. Louis International Airport (STL).

How to find the best prices for flights from Paris (CDG) to St. Louis (STL)

Getting some of the best deals on flights from Paris to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically available when booking within two weeks, even though most travelers tend to book at least two months in advance. Afternoon departures, between 12 PM and 6 PM, not only offer lower prices but are also the most popular. Additionally, flying on Thursday usually results in cheaper fares, while Saturday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Roissy-Charles de Gaulle Airport

St. Louis welcomes travelers from Paris with a range of transport options based on price, convenience, and proximity. For departures, Roissy-Charles de Gaulle Airport is roughly a 35-minute drive (covering about 20 miles) from central Paris. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access for travelers.

Frequently asked questions

How much does a flight from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $509 and cheap return flights from $799 Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights typically cost between $517 and $3843, and return flights often range between $924 and $5331. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The cheapest month to fly from CDG to STL is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter CDG to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Roissy-Charles de Gaulle Airport (CDG) to Lambert-St. Louis International Airport (STL) typically departs at around 5:50 AM, operated by Iberia and American Airlines. This service is active in April and May, allowing you to arrive in St. Louis early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Paris (CDG) to St. Louis (STL) are from 9am to 12pm. About 54% of passengers prefer this time window. Many major carriers, including United Airlines, Delta, and American Airlines, offer flights during this window. This timing is popular because it allows travelers to arrive in St. Louis in the afternoon, ready for meetings or leisure activities.
How long does it take to fly from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Flights from CDG to STL with one stop typically take around 14 hours 30 minutes, covering approximately 4,388 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Business class seats are offered on the CDG to STL route. Airlines that offer business class service on this route include:

  • Delta Air Lines
  • United Airlines
  • Lufthansa
  • Finnair
  • Air Canada
  • American Airlines
  • Swiss International Air Lines
  • British Airways
  • Iberia
  • Air France

How do I earn miles on a Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Roissy-Charles de Gaulle (CDG)?
If you're planning to travel to St. Louis from Roissy-Charles de Gaulle (CDG), you can fly into Lambert-St. Louis Intl. (STL) Some flights may connect through major hubs like Heathrow (LHR), Schiphol (AMS), Pearson Intl. (YYZ) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Paris (CDG-Roissy-Charles de Gaulle) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Roissy-Charles de Gaulle
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Aer Lingus, Air Canada, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Lufthansa, Scandinavian Airlines, United
Roundtrip price
$799
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 2026. You can also book with separate airlines for your outbound and return journeys, from $509 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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