S$ 76 Cheap Flights from Pittsburgh to St. Louis (PIT-STL)

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Cheap Flights from Pittsburgh to St. Louis

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Cheap Flights from Pittsburgh to St. Louis starting at S$ 76

Book one-way or return flights from Pittsburgh to St. Louis from as little as S$ 76. Choose from the popular airlines below and book your flight today!

One way
Round-trip

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

Searching for the best last minute flight from Pittsburgh to St. Louis? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Pittsburgh to St. Louis. Stay updated on price trends and snag the best deals for your upcoming trip.

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

Cheapest Airlines flying from Pittsburgh to St. Louis

View airlines operating flights from Pittsburgh to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From S$ 76

Spirit Airlines

From S$ 108

American Airlines

From S$ 128

Sun Country Airlines

From S$ 155

Delta Air Lines

From S$ 183

United Airlines

From S$ 190

Southwest Airlines

From S$ 323

Alaska Airlines

From S$ 349

Southern Airways Express, Llc

From S$ 362

ANA airlines

Find more flights and airlines

Alternative Routes from Pittsburgh to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Pittsburgh to St. Louis.

Cheapest
PIT
13:41
21h 6m
1 transfer
STL
09:47
Pittsburgh International Airport - St.Louis Lambert International Airport
Tue, Apr 30Frontier Airlines
S$ 76
PIT
13:41
21h 6m
1 transfer
STL
09:47
Pittsburgh International Airport - St.Louis Lambert International Airport
Tue, Apr 30Frontier Airlines
S$ 76
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Pittsburgh (PIT) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Pittsburgh to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Pittsburgh (PIT) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around S$ 489.
How long is a flight from Pittsburgh (PIT) to St. Louis (STL)?
It takes about 1 hour 45 minutes to fly from Pittsburgh (PIT) to St. Louis (STL).
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.
What are the most popular airlines that fly from Pittsburgh (PIT) to St. Louis (STL)?
Airlines with flights from Pittsburgh (PIT) to St. Louis (STL): Southwest Airlines.
What's the most popular airline for direct flights from Pittsburgh (PIT) to St. Louis (STL)?
Southwest Airlines operates 1 direct flights from Pittsburgh (PIT) to St. Louis (STL).
How many airports in St. Louis?
There are 3 airports near St. Louis: St. Louis Downtown Airport, St. Louis Lambert International Airport and St Louis Spirit Of St Louis Airport.

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

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Pittsburgh to St. Louis. Book your flights at the right time and save more.

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

Flight Information from Pittsburgh to St. Louis

Cheapest direct flight price	S$ 75
Cheapest return ticket price	S$ 431
Cheapest month	December
Peak season for travel	October
Flight distance	897.31km
Average flight time	1 hour 45 minutes
Popular airline	American Airlines