The Eiffel Tower in Paris with a cityscape in the background during sunset.

$354 Cheap Flights from St. Louis (STL) to Paris (CDG)

View $354 flight on Tue, Apr 6, 2027Opens in a new window

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

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

Prices were available within the past 7 days and start at $354 for one-way flights and $649 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, Apr 6 - Wed, Apr 14
STL
St. Louis
CDG
Paris
$649 Roundtrip, found 14 hours ago
$649
Roundtrip
found 14 hours ago
Select British Airways flight, departing Tue, Apr 6 from St. Louis to Paris, returning Wed, Apr 14, priced at $649 found 14 hours ago
American Airlines
Tue, Apr 6 - Wed, Apr 14
STL
St. Louis
CDG
Paris
$649 Roundtrip, found 14 hours ago
$649
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Apr 6 from St. Louis to Paris, returning Wed, Apr 14, priced at $649 found 14 hours ago
Iberia
Wed, Dec 2 - Wed, Dec 9
STL
St. Louis
CDG
Paris
$652 Roundtrip, found 4 hours ago
$652
Roundtrip
found 4 hours ago
Select Iberia flight, departing Wed, Dec 2 from St. Louis to Paris, returning Wed, Dec 9, priced at $652 found 4 hours ago
British Airways
Tue, Apr 20 - Fri, May 7
STL
St. Louis
CDG
Paris
$653 Roundtrip, just found
$653
Roundtrip
just found
Select British Airways flight, departing Tue, Apr 20 from St. Louis to Paris, returning Fri, May 7, priced at $653 just found
American Airlines
Tue, Apr 6 - Wed, Apr 14
STL
St. Louis
CDG
Paris
$656 Roundtrip, found 14 hours ago
$656
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Apr 6 from St. Louis to Paris, returning Wed, Apr 14, priced at $656 found 14 hours ago
United
Tue, Apr 20 - Fri, May 7
STL
St. Louis
CDG
Paris
$657 Roundtrip, just found
$657
Roundtrip
just found
Select United flight, departing Tue, Apr 20 from St. Louis to Paris, returning Fri, May 7, priced at $657 just found
British Airways
Sun, Dec 6 - Tue, Dec 15
STL
St. Louis
CDG
Paris
$659 Roundtrip, just found
$659
Roundtrip
just found
Select British Airways flight, departing Sun, Dec 6 from St. Louis to Paris, returning Tue, Dec 15, priced at $659 just found
United
Tue, Nov 3 - Tue, Nov 10
STL
St. Louis
CDG
Paris
$659 Roundtrip, found 4 hours ago
$659
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Nov 3 from St. Louis to Paris, returning Tue, Nov 10, priced at $659 found 4 hours ago
United
Tue, May 4 - Tue, May 11
STL
St. Louis
CDG
Paris
$660 Roundtrip, found 10 hours ago
$660
Roundtrip
found 10 hours ago
Select United flight, departing Tue, May 4 from St. Louis to Paris, returning Tue, May 11, priced at $660 found 10 hours ago
Virgin Atlantic
Sun, Dec 6 - Tue, Dec 15
STL
St. Louis
CDG
Paris
$662 Roundtrip, just found
$662
Roundtrip
just found
Select Virgin Atlantic flight, departing Sun, Dec 6 from St. Louis to Paris, returning Tue, Dec 15, priced at $662 just found

Alternative airports near Paris

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

Select flight to Orly ORY. Closest option available. Average driving time to city center is 18 minutes. Flights from $1,471
ORY
Orly
Closest
Average driving time to city center18 min
Flights from $1,471

Find the cheapest month to fly from St. Louis (STL) to Paris (CDG)

November is typically the cheapest month to fly

From $774 - $978 per traveler.

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

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

Travel on various airlines that operate flights from St. Louis (STL) to Paris (CDG) along this international long-haul route. Evaluate choices from full-service carriers to discover an itinerary that aligns with your budget, schedule, and travel aspirations while you experience the iconic attractions and neighborhoods of Paris. Here, you'll find essential information for flights departing from Lambert-St. Louis International Airport (STL) to Roissy-Charles de Gaulle Airport (CDG).

  • Fastest flight duration: around 9h 30m in-flight, plus roughly 1h 45m layover with one stop
  • Route distance: roughly 4,400 miles (7,080 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $285–$800, depending on seasonality and how far ahead you book

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

According to recent traveler bookings, here are the most popular airlines flying from St. Louis to Paris, typically favored for one-stop and multi-stop flights. Common layover points include Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour and 45 minutes, Detroit Metropolitan Wayne County Airport (DTW) at approximately 1 hour and 30 minutes, and Pearson International Airport (YYZ), also around 1 hour and 45 minutes. These options provide the flexibility to combine factors like price, total travel time, and cabin class to secure the best itinerary.

  • United: As a comprehensive service airline, United provides both one-stop and multi-stop options. One-way tickets generally range from $315 to $845. They represent about 28% of departures on this route, with an in-flight duration of 9 hours and 30 minutes, totaling around 11 hours and 30 minutes for the entire journey.
  • Delta: Delta is a full-service airline offering one-stop flights, with one-way fares typically between $285 and $795. They account for roughly 22% of departures along this route, featuring an in-flight time of 9 hours and 30 minutes, culminating in a total travel duration of about 11 hours and 30 minutes, including layover.
  • Virgin Atlantic: Known for its one-stop service, Virgin Atlantic offers one-way fares that usually fall between $285 and $565. Approximately 17% of departures on this route are operated by them, with an in-flight time of 9 hours and 30 minutes and a total journey time of around 11 hours and 30 minutes, inclusive of a layover.
  • American Airlines: This full-service carrier provides both one-stop and multi-stop flights, with one-way tickets typically ranging from $295 to $915. American Airlines makes up about 13% of departures on this route, with a standard in-flight duration of 9 hours and 30 minutes and an overall journey time of approximately 11 hours and 30 minutes.
  • Air Canada: Offering one-stop services, Air Canada's one-way fares typically range from $310 to $1,020. They represent around 12% of the flights on this route, with an in-flight duration of 9 hours and 30 minutes, leading to a total travel time of about 11 hours and 30 minutes, considering layovers.

Best time to fly from St. Louis (STL) to Paris (CDG)

The most popular months for travelers flying from St. Louis to Paris are March, April, and July, when peak temperatures in Paris reach up to 68.2°F in July. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 39.6°F. For better deals, February usually offers the lowest average one-way fare around $350. Flight availability peaks in March and July, with approximately 14 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $350, roughly 32% cheaper than the yearly average.
  • Another budget-friendly time to fly: January typically offers an average one-way fare of around $384.
  • Most flight options: March and July have the highest number of flights from St. Louis to Paris, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January39.6°F (4.2°C)Low7$384
February41.0°F (5.0°C)Average7$350
March46.4°F (8.0°C)High14$436
April51.8°F (11.0°C)High10$496
May57.4°F (14.1°C)Average11$605
June64.4°F (18.0°C)Average8$760
July68.2°F (20.1°C)High14$614
August68.4°F (20.2°C)Low7$466
September63.1°F (17.3°C)Average9$525
October55.9°F (13.3°C)Average13$505
November47.5°F (8.6°C)Low8$508
December41.9°F (5.5°C)Average11$569

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

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

  • St. Louis to Paris (STL-ORY): Orly Airport (ORY) is located approximately 21 miles from Roissy-Charles de Gaulle Airport (CDG).
  • Belleville to Paris (BLV-CDG): MidAmerica-St. Louis Airport (BLV) is around 33 miles from Lambert-St. Louis International Airport (STL).
  • Springfield to Paris (SPI-CDG): Abraham Lincoln Capital Airport (SPI) is situated roughly 85 miles from Lambert-St. Louis International Airport (STL).

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

Getting some of the best deals on flights from St. Louis to Paris 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 usually available when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Departures in the morning (5 am-12 pm) often offer lower prices, while afternoon (12 pm-6 pm) flights are more popular. Additionally, flying on Monday can be cheaper, but Friday 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 Roissy-Charles de Gaulle Airport from Lambert-St. Louis International Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Paris, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Roissy-Charles de Gaulle Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Roissy-Charles de Gaulle 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 Roissy-Charles de Gaulle Airport, both Aéroport Charles de Gaulle 2 TGV Station (a metro station) and Paris (XDT-Charles de Gaulle Airport TGV Train Station) (a train station) are conveniently located just 0.1 miles away on foot, providing easy access to public transport. For those needing bus services, Aeroport CDG T3 Bus Station (a bus station) is approximately 0.8 miles from the airport and is typically reached by car.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) cost?
You can find cheap one-way flights from $354 and cheap return flights from $649 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) with Expedia. One-way flights typically cost between $441 and $3516, and return flights often range between $626 and $5002. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
The cheapest month to fly from STL to CDG is April 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
Enter STL to CDG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
Air France is one of the cheapest airlines offering connecting flights from Lambert-St. Louis Intl. (STL) to Roissy-Charles de Gaulle (CDG), with round-trip tickets starting from around $955 with a layover in Amsterdam (AMS). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle), 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
The earliest flight from St. Louis, MO (STL) to Paris (CDG) typically departs at 5:00 AM, operated by American Airlines. This seasonal service is available in May, allowing you to maximize your time in Paris. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
The most popular departure times for flights from St. Louis, MO (STL) to Paris (CDG) are from 3pm to 6pm. This accounts for around 26% of total traffic. Many major carriers, including Delta Air Lines, Air France and Air Canada, offer flights during this window. This timing is favored as it allows you to enjoy a full day in St. Louis before your flight.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
Flights from STL to CDG with one stop typically take around 11 hours 50 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
Business class seats are offered on the STL to CDG route. Airlines that offer business class service on this route include:

  • United Airlines
  • Delta Air Lines
  • American Airlines
  • Air Canada
  • Lufthansa
  • British Airways
  • Finnair

First class is available with United Airlines.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) 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 Paris from Lambert-St. Louis Intl. (STL)?
When traveling from Lambert-St. Louis Intl. (STL) to Paris, you can fly into Orly (ORY) and Roissy-Charles de Gaulle (CDG). Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), Charlotte-Douglas Intl. (CLT) before reaching Paris. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) Paris 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Paris (CDG-Roissy-Charles de Gaulle) 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
Lambert-St. Louis Intl.
Destination airport
Roissy-Charles de Gaulle
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
$648
Distance
4387 mi

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $354 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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