$611 Cheap Flights from St. Louis to Rennes (STL to RNS)

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Cheap flight deals from St. Louis to Rennes Starting at $611

For as little as $611, you can take your next adventure to Rennes without breaking the bank. Choose between one-way and return tickets from St. Louis below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from St. Louis to Rennes?

These price trend charts carefully monitor and predict how flight prices from St. Louis to Rennes will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from St. Louis to Rennes

Which airline provides the cheapest flights from St. Louis to Rennes? Discover the option that best suits your travel needs before embarking on your journey.

Delta Air Lines

From $611

Virgin Atlantic

From $611

Iberia

From $616

Air France

From $645

American Airlines

From $780

United Airlines

From $819

Southwest Airlines

From $945

Air Canada

From $1,070

Find more flights and airlines

Alternative Cheap Routes from St. Louis to Rennes

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Rennes from St. Louis which could help you save money and time.

Cheapest
STL
12:00
20h 0m
2 transfer
RNS
15:00
St. Louis Lambert International Airport - Airport Rennes Bretagne
Sat, Jan 18Delta Air Lines
$611
STL
12:00
20h 0m
2 transfer
RNS
15:00
St. Louis Lambert International Airport - Airport Rennes Bretagne
Sat, Jan 18Delta Air Lines
$611
Find More Flights

Frequently Asked Questions

When are flight tickets from St. Louis (STL) to Rennes (RNS) the cheapest?
Airlines adjust prices for flights from St. Louis to Rennes based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from St. Louis (STL) to Rennes (RNS) cost?
According to Trip.com's data, the lowest price is around $1,694.
What is the transportation method from the main airport to downtown in Rennes?
- The distance from Airport Rennes Bretagne to downtown is about 6 km. It takes about 20 minutes by taxi.

How to find a cheap flight from St. Louis to Rennes

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com