What are the cheapest airlines flying from Paris to St. Louis round-trip?

Flying on Finnair is currently your cheapest option to St. Louis, with prices starting at $565. Additional round-trip tickets that might be worth considering are offered by British Airways and Iberia, with the lowest prices starting at $567 and $573, respectively. Finnair is priced at 31% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Paris to St. Louis one-way?

The cheapest airlines for a one-way flight from Paris to St. Louis are Aer Lingus ($539), Iberia ($579), and United Airlines ($1,507).

What is the cheapest day to fly from Paris to St. Louis?

Travelers seeking maximum savings on their Paris to St. Louis flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Paris to St. Louis?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 21% when planning your travel around this day of the week.

How far in advance should I book a flight from Paris to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 29 days in advance, which can save you up to 67% on flights from Paris to St. Louis compared to booking the week you need them. Waiting 29 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $871. For sooner than that we have options available in the next 3 days from $1,253.

What is the cheapest month to fly from Paris to St. Louis?

The best pricing can be found in the month of February. Prices to St. Louis from Paris average $824. You can even find prices in February for less than $824, as users have found deals to St. Louis from as low as $626. The month of July appears to be one of the more expensive times to travel to St. Louis from Paris. Flying in the targeted month can save you up to 24%.

What is the cheapest time of day to fly from PAR to STL?

When flying from Paris to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight in the afternoon.

Most accurate provider : When it comes to deals on Paris-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Paris-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Paris-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Paris-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Paris-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to St. Louis from Paris?

For a flight from Paris to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from Paris per day. 2 airlines have flights to Lambert-St Louis from Paris on a regular basis.

Can I find deals for flights from Paris to St. Louis that include hotel bookings?

Yes. In addition to deals on Paris to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Paris to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Paris to St. Louis.

Can I find deals for business class flights from Paris to St. Louis?

Yes. Cheapflights offers flight deals from Paris to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$464+ Flights from Paris to St. Louis

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Find cheap flights from Paris to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Paris to Lambert-St Louis are usually found in February or September, booked 29 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Paris to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$565 (Finnair)
One-way from	$464 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$873

Provider with most accurate pricing for Paris (PAR)-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Paris (PAR)-Lambert-St Louis flights.

Search Deals

From Paris (PAR) to Lambert-St Louis

Search Deals

One-way flight from Paris (PAR) to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($113 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Paris to St. Louis

Cheapest flights from Paris to St. Louis
Explore the most affordable flight options available from Paris to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Thu 5/221:55 pmCDG - STL

1 stop14h 57mFinnair

Sat 6/712:28 pmSTL - CDG

1 stop14h 32mFinnair

Deal found 3/30

$565

Thu 4/1711:45 amCDG - STL

2 stops18h 48mBritish Airways

Wed 4/306:00 pmSTL - CDG

2 stops16h 20mBritish Airways

Deal found 3/30

$567

Sat 4/268:15 amCDG - STL

2 stops16h 47mMultiple Airlines

Sat 5/35:27 pmSTL - CDG

1 stop33h 33mMultiple Airlines

Deal found 3/29

$569

Sun 4/611:00 amCDG - STL

1 stop29h 01mAmerican Airlines

Sat 4/196:15 amSTL - CDG

1 stop22h 15mAmerican Airlines

Deal found 3/30

$573

Sat 4/262:40 pmCDG - STL

1 stop13h 18mIberia

Sat 5/33:44 pmSTL - CDG

1 stop35h 16mIberia

Deal found 3/29

$576

Thu 5/12:35 pmCDG - STL

2 stops36h 23mUnited Airlines

Sat 6/287:30 amSTL - CDG

1 stop21h 40mUnited Airlines

Deal found 3/30

$618

Wed 5/149:00 amCDG - STL

2 stops17h 43mAir Canada

Wed 5/217:30 amSTL - CDG

2 stops16h 20mAir Canada

Deal found 3/30

$644

Sat 6/710:15 amCDG - STL

2 stops18h 16mDelta

Sat 6/2110:45 amSTL - CDG

2 stops16h 15mDelta

Deal found 3/30

$687

Fri 4/187:20 amCDG - STL

1 stop13h 10mLufthansa

Thu 4/241:12 pmSTL - CDG

1 stop13h 08mLufthansa

Deal found 3/30

$766

Tue 7/12:00 pmCDG - STL

1 stop14h 37mKLM

Sun 7/135:40 pmSTL - CDG

1 stop11h 50mKLM

Deal found 3/30

$808

Mon 4/286:50 pmORY - STL

2 stops29h 25mMultiple Airlines

Mon 5/51:30 pmSTL - ORY

1 stop15h 30mMultiple Airlines

Deal found 3/30

$990

Sun 4/63:55 pmCDG - STL

2 stops38h 12mAustrian Airlines

Sat 4/191:12 pmSTL - CDG

2 stops18h 53mAustrian Airlines

Deal found 3/30

$997

Best flights from Paris to St. Louis
Discover carefully curated flight deals from Paris to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2025.

Thu 5/221:55 pmCDG - STL

1 stop14h 57mFinnair

Sat 6/712:28 pmSTL - CDG

1 stop14h 32mFinnair

Deal found 3/30

$565

Thu 4/1711:45 amCDG - STL

2 stops18h 48mBritish Airways

Wed 4/306:00 pmSTL - CDG

2 stops16h 20mBritish Airways

Deal found 3/30

$567

Sat 4/268:15 amCDG - STL

2 stops16h 47mMultiple Airlines

Sat 5/35:27 pmSTL - CDG

1 stop33h 33mMultiple Airlines

Deal found 3/29

$569

Mon 4/282:40 pmCDG - STL

1 stop13h 18mIberia

Mon 5/57:30 pmSTL - CDG

1 stop10h 10mIberia

Deal found 3/30

$573

Mon 4/287:55 amCDG - STL

2 stops17h 17mAmerican Airlines

Mon 5/51:38 pmSTL - CDG

1 stop16h 02mAmerican Airlines

Deal found 3/30

$579

Thu 5/12:35 pmCDG - STL

2 stops36h 23mUnited Airlines

Sat 6/287:30 amSTL - CDG

1 stop21h 40mUnited Airlines

Deal found 3/30

$618

Wed 5/149:00 amCDG - STL

2 stops17h 43mAir Canada

Wed 5/217:30 amSTL - CDG

2 stops16h 20mAir Canada

Deal found 3/30

$644

Sat 6/710:15 amCDG - STL

2 stops18h 16mDelta

Sat 6/2110:45 amSTL - CDG

2 stops16h 15mDelta

Deal found 3/30

$687

Fri 4/187:20 amCDG - STL

1 stop13h 10mLufthansa

Thu 4/241:12 pmSTL - CDG

1 stop13h 08mLufthansa

Deal found 3/30

$766

Tue 7/12:00 pmCDG - STL

1 stop14h 37mKLM

Sun 7/135:40 pmSTL - CDG

1 stop11h 50mKLM

Deal found 3/30

$808

Sun 7/137:05 amCDG - STL

2 stops20h 42mScandinavian Airlines

Mon 7/281:30 pmSTL - CDG

3 stops22h 55mScandinavian Airlines

Deal found 3/30

$1,812

Mon 4/286:50 pmORY - STL

2 stops29h 25mMultiple Airlines

Mon 5/51:30 pmSTL - ORY

1 stop15h 30mMultiple Airlines

Deal found 3/30

$990

Last-minute flights from Paris to St. Louis
Discover last-minute flight deals from Paris to St. Louis. Data last updated March 31, 2025 and is based on user searches.

Sun 4/61:00 pmCDG - STL

1 stop16h 14mBritish Airways

Sat 4/196:15 amSTL - CDG

1 stop22h 15mBritish Airways

Deal found 3/30

$570

Sun 4/611:00 amCDG - STL

1 stop29h 01mAmerican Airlines

Sat 4/196:15 amSTL - CDG

1 stop22h 15mAmerican Airlines

Deal found 3/30

$573

Sun 4/69:45 amCDG - STL

1 stop13h 03mUnited Airlines

Sat 4/193:40 pmSTL - CDG

1 stop10h 40mUnited Airlines

Deal found 3/30

$768

Sun 4/63:55 pmCDG - STL

2 stops38h 12mAustrian Airlines

Sat 4/191:12 pmSTL - CDG

2 stops18h 53mAustrian Airlines

Deal found 3/30

$997

Sun 4/67:20 amCDG - STL

2 stops21h 52mFinnair

Sat 4/196:00 pmSTL - CDG

2 stops17h 10mFinnair

Deal found 3/30

$1,034

Sun 4/62:10 pmCDG - STL

2 stops31h 39mAir Canada

Sat 4/1910:40 amSTL - CDG

3 stops16h 40mAir Canada

Deal found 3/30

$1,967

Thu 4/1012:15 pmCDG - STL

2 stops27h 27mMultiple Airlines

Mon 4/1411:21 amSTL - CDG

1 stop15h 39mMultiple Airlines

Deal found 3/30

$574

Thu 4/107:25 amORY - STL

2 stops21h 47mIberia

Mon 4/145:27 pmSTL - ORY

2 stops17h 43mIberia

Deal found 3/30

$1,586

Thu 4/1711:45 amCDG - STL

2 stops18h 48mBritish Airways

Wed 4/306:00 pmSTL - CDG

2 stops16h 20mBritish Airways

Deal found 3/30

$567

Thu 4/179:45 amCDG - STL

1 stop34h 45mUnited Airlines

Wed 4/308:25 amSTL - CDG

1 stop16h 20mUnited Airlines

Deal found 3/30

$636

Fri 4/187:20 amCDG - STL

1 stop13h 10mLufthansa

Thu 4/241:12 pmSTL - CDG

1 stop13h 08mLufthansa

Deal found 3/30

$766

Fri 4/189:00 amCDG - STL

3 stops19h 48mAir Canada

Thu 4/243:30 pmSTL - CDG

2 stops32h 20mAir Canada

Deal found 3/30

$1,366

One-way flights from Paris to St. Louis
Search for one-way flight options from Paris to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 31, 2025.

Mon 5/2611:40 amCDG - STL

3 stops43h 04mMultiple Airlines

Deal found 3/30

$464

Mon 5/2611:20 amCDG - STL

2 stops19h 31mAer Lingus

Deal found 3/30

$539

Mon 5/511:00 amCDG - STL

1 stop15h 29mIberia

Deal found 3/30

$579

Wed 5/217:25 amORY - STL

2 stops18h 08mIberia

Deal found 3/30

$835

Mon 5/57:40 amORY - STL

2 stops21h 39mMultiple Airlines

Deal found 3/30

$904

Mon 4/142:10 pmCDG - STL

3 stops32h 37mUnited Airlines

Deal found 3/30

$1,507

Thu 6/122:10 pmCDG - STL

1 stop12h 48mAir Canada

Deal found 3/30

$1,531

Fri 4/187:20 amCDG - STL

1 stop13h 10mLufthansa

Deal found 3/30

$3,196

Cheapflights Fare Finder

Use the filters below to find and compare flights from Paris to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Thu 5/22

1:55 pm-9:52 pm

1 stop14h 57m

Lambert-St Louis

Sat 6/7

12:28 pm-10:00 am

1 stop14h 32m

$565

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Thu 4/17

11:45 am-11:33 pm

2 stops18h 48m

Lambert-St Louis

Wed 4/30

6:00 pm-5:20 pm

2 stops16h 20m

$567

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Sat 4/26

8:15 am-6:02 pm

2 stops16h 47m

Lambert-St Louis

Sat 5/3

5:27 pm-10:00 am

1 stop33h 33m

$569

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Mon 4/28

2:40 pm-8:58 pm

1 stop13h 18m

Lambert-St Louis

Mon 5/5

7:30 pm-12:40 pm

1 stop10h 10m

$573

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Mon 4/28

7:55 am-6:12 pm

2 stops17h 17m

Lambert-St Louis

Mon 5/5

1:38 pm-12:40 pm

1 stop16h 02m

$579

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Thu 5/1

2:35 pm-7:58 pm

2 stops36h 23m

Lambert-St Louis

Sat 6/28

7:30 am-12:10 pm

1 stop21h 40m

$618

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Wed 5/14

9:00 am-7:43 pm

2 stops17h 43m

Lambert-St Louis

Wed 5/21

7:30 am-6:50 am

2 stops16h 20m

$644

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Sat 6/7

10:15 am-9:31 pm

2 stops18h 16m

Lambert-St Louis

Sat 6/21

10:45 am-10:00 am

2 stops16h 15m

$687

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Fri 4/18

7:20 am-1:30 pm

1 stop13h 10m

Lambert-St Louis

Thu 4/24

1:12 pm-9:20 am

1 stop13h 08m

$766

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Tue 7/1

2:00 pm-9:37 pm

1 stop14h 37m

Lambert-St Louis

Sun 7/13

5:40 pm-12:30 pm

1 stop11h 50m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 23 results

Compare providers for flights from Paris to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Paris to St. Louis in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Paris-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Paris-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Paris-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Paris-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Paris-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Paris to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Paris with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Paris to St. Louis

How far ahead should I book a flight from Paris to St. Louis?

The price you pay for your flight from Paris to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Paris to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Paris to St. Louis (average of $311). Flying from Paris to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Delta, KLM and Finnair from Paris to St. Louis. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,899 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,425 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,614 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to St. Louis from Paris?
For a flight from Paris to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from Paris per day. 2 airlines have flights to Lambert-St Louis from Paris on a regular basis.
What are the cheapest airlines flying from Paris to St. Louis round-trip?
Flying on Finnair is currently your cheapest option to St. Louis, with prices starting at $565. Additional round-trip tickets that might be worth considering are offered by British Airways and Iberia, with the lowest prices starting at $567 and $573, respectively. Finnair is priced at 31% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Paris to St. Louis one-way?
The cheapest airlines for a one-way flight from Paris to St. Louis are Aer Lingus ($539), Iberia ($579), and United Airlines ($1,507).
Can I find deals for flights from Paris to St. Louis that include hotel bookings?
Yes. In addition to deals on Paris to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Paris to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Paris to St. Louis.
Can I find deals for business class flights from Paris to St. Louis?
Yes. Cheapflights offers flight deals from Paris to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Paris to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Paris to St. Louis (average of $311). Flying from Paris to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Fenton

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Eureka

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Farmington

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Other flights to St. Louis

Top 2 airlines flying from Paris to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$615	Average$691	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$665	Average$851	FlexibilityNo cancel fee	On-time71%

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$464+ Cheap flights from Paris (PAR) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Paris to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Paris to Lambert-St Louis are usually found in February or September, booked 29 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Paris to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Paris to St. Louis

Cheapest flights from Paris to St. LouisExplore the most affordable flight options available from Paris to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Explore the most affordable flight options available from Paris to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Paris to St. Louis that are best for you.

Compare providers for flights from Paris to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Paris to St. Louis in March.

Best time to book a flight from Paris to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Paris with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Paris to St. Louis

How far ahead should I book a flight from Paris to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Paris to St. Louis. Price data was last updated on March 28, 2025.

What is the cheapest month to book a flight from Paris to St. Louis?

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Delta, KLM and Finnair from Paris to St. Louis. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Paris to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 2 airlines flying from Paris to St. Louis

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Cheapest flights from Paris to St. Louis
Explore the most affordable flight options available from Paris to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.