How much are round-trip flights from Pittsburgh to St Louis?

The best price we found for a round-trip flight from Pittsburgh to St Louis is $150. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Pittsburgh to St Louis?

1 hour and 45 minutes is the average flight time from Pittsburgh to St Louis.

Which airlines fly direct from Pittsburgh to St Louis?

Southwest Airlines and United fly direct from Pittsburgh to St Louis.

How many flights are there a week from Pittsburgh to St Louis?

There are 9 flights per week flying from Pittsburgh to St Louis, as of June 2024.

When is the cheapest time to fly from Pittsburgh to St Louis?

The cheapest month to fly from Pittsburgh to St Louis is usually June.

Which upcoming date is cheapest to fly from Pittsburgh to St Louis Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Pittsburgh to St Louis Airport on Thursday, June 13, 2024 .

Can I get a direct flight from Pittsburgh to St Louis Airport?

Yes – the average flight time is 1 hour and 45 minutes.

How can I find the best flight deal to St Louis?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to St Louis?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Pittsburgh to St Louis?

The cheapest airline that flies to St Louis is Frontier Airlines.

Cheap Flights from Pittsburgh (PIT) to St Louis (STL) from $150

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Flight deals from Pittsburgh to St Louis

Looking for a cheap last-minute deal or the best round-trip flight from Pittsburgh to St Louis? Find the lowest prices on one-way and round-trip tickets right here.

St Louis.$150 per passenger.Departing Thu, Jun 13, returning Sat, Jun 15.Round-trip flight with Frontier Airlines and Spirit Airlines.Outbound indirect flight with Frontier Airlines, departing from Pittsburgh International on Thu, Jun 13, arriving in St Louis.Inbound indirect flight with Spirit Airlines, departing from St Louis on Sat, Jun 15, arriving in Pittsburgh International.Price includes taxes and charges.From $150, select.

St Louis.$173 per passenger.Departing Tue, Jul 16, returning Tue, Jul 23.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Tue, Jul 16, arriving in St Louis.Inbound indirect flight with Spirit Airlines, departing from St Louis on Tue, Jul 23, arriving in Pittsburgh International.Price includes taxes and charges.From $173, select.

St Louis.$203 per passenger.Departing Thu, Jun 27, returning Mon, Jul 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Pittsburgh International on Thu, Jun 27, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departing from St Louis on Mon, Jul 1, arriving in Pittsburgh International.Price includes taxes and charges.From $203, select.

St Louis.$287 per passenger.Departing Fri, Aug 2, returning Sun, Aug 4.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Pittsburgh International on Fri, Aug 2, arriving in St Louis.Inbound indirect flight with Delta, departing from St Louis on Sun, Aug 4, arriving in Pittsburgh International.Price includes taxes and charges.From $287, select.

St Louis.$431 per passenger.Departing Fri, May 31, returning Sat, Jun 1.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Fri, May 31, arriving in St Louis.Inbound indirect flight with Spirit Airlines, departing from St Louis on Sat, Jun 1, arriving in Pittsburgh International.Price includes taxes and charges.From $431, select.

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Find the cheapest month to fly from Pittsburgh to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Pittsburgh to St Louis flights are currently cheapest in June.

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Direct flights from Pittsburgh to St Louis

Pittsburgh to St Louis: Alternative routes

Compare routes from Pittsburgh to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Pittsburgh to St Louis: Flight information

The things to know before you go.

Cheapest flight found	$150
Cheapest month to fly	June
Average flight time	1 hr, 45 mins
Most popular airline	Southwest Airlines
Average flights per week	8

Finding cheap flights from Pittsburgh to St Louis: Frequently asked questions

: The best price we found for a round-trip flight from Pittsburgh to St Louis is $150. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
: 1 hour and 45 minutes is the average flight time from Pittsburgh to St Louis.
: Southwest Airlines and United fly direct from Pittsburgh to St Louis.
: There are 9 flights per week flying from Pittsburgh to St Louis, as of June 2024.
: The cheapest month to fly from Pittsburgh to St Louis is usually June.
: After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Pittsburgh to St Louis Airport on Thursday, June 13, 2024.
: Yes – the average flight time is 1 hour and 45 minutes.
: We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
: We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
: The cheapest airline that flies to St Louis is Frontier Airlines.

How to find cheap flights to St Louis from Pittsburgh

Looking for cheap tickets from Pittsburgh to St Louis? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Pittsburgh to St Louis. And with us, there are no hidden fees – what you see is what you pay.
Compare flight deals to St Louis from Pittsburgh from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
Flex your dates to find the best Pittsburgh–St Louis ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to St Louis from Pittsburgh.
Set up a Price Alert. You can easily track the fare of your cheap Pittsburgh–St Louis flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Pittsburgh and St Louis? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business Class flights from Pittsburgh and St Louis. We scour the Internet for the best Business, Premium Economy and First Class flight fares to St Louis, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Pittsburgh to St Louis flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

Combine your flight to St Louis from Pittsburgh with hotels and car rental

Once you've secured your cheap flight ticket from Pittsburgh to St Louis, discover the best prices and exclusive rates for hotels in St Louis or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.

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