Cheap flights from Paris to St. Louis from $569
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Paris to St. Louis departing on 6/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Paris to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Paris and St. Louis?
What is the cheapest month to fly to St. Louis?
In general, May is the cheapest month to fly from Paris to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $597. The month of March is another great option to travel to St. Louis, with average flight prices from Paris averaging around $642.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $756. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $920. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Paris in the morning is the least expensive time of day to depart. momondo users have found prices as low as $792 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $967 per ticket.
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Paris when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $851 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Paris for as low as $695 on momondo.
What is the cheapest airline that flies from Paris to Lambert-St Louis?
Iberia, Aer Lingus, and Lufthansa are the most popular carriers operating from Paris to Lambert-St Louis
What airlines fly to St. Louis?
United Airlines, Iberia and American Airlines are the top three most popular airlines that fly to St. Louis from Paris according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
When to book flights from Paris to St. Louis
Cheap Paris to St. Louis (PAR to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Paris to St. Louis
How far is Paris to Lambert-St Louis by plane?
There are 4379.5 mi between Paris and Lambert-St Louis. A reasonable flight in good conditions will take 11h 50m.
When did momondo last update prices for flights from Paris to Lambert-St Louis Airport?
Prices for flights from Paris to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Paris to Lambert-St Louis Airport?
The number of operators available for flights from Paris to Lambert-St Louis Airport is 3 as of June 2025.
How old do you have to be to fly from Paris to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Paris to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Paris to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Paris to St. Louis is United Airlines (100% of total bookings).
Best airlines flying from Paris to St. Louis
Compare and see reviews for airlines that fly from Paris to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $553 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom $616 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $665 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near St. Louis?
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Why should I use momondo to find a flight deal from Paris to St. Louis?
Finding the right flight to St. Louis from Paris is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights from Paris to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Paris with this policy.
How can momondo help me find flights from Paris to St. Louis?
momondo provides multiple filters to help you find the best flight to St. Louis from Paris. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Paris to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Paris and alert you when they change.