Insights
Latest deals
Reviews
FAQs

Cheap flights from St. Louis to Pittsburgh from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Pittsburgh departing on 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
From?
To?
Thu 4/25
Thu 5/2

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.

Easily compare round-trip flights from St. Louis to Pittsburgh

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Pittsburgh by changing tabs
Spirit Airlines
Apr 30
STL2:35 pmLambert-St Louis
9h 10m
1 stop
PIT12:45 amPittsburgh
May 2
PIT5:45 amPittsburgh
13h 55m
1 stop
STL6:40 pmLambert-St Louis
American Airlines
Sep 24
STL6:26 amLambert-St Louis
8h 16m
1 stop
PIT3:42 pmPittsburgh
Sep 28
PIT1:15 pmPittsburgh
7h 43m
1 stop
STL7:58 pmLambert-St Louis
Multiple Airlines
May 19
STL7:30 pmLambert-St Louis
16h 33m
1 stop
PIT1:03 pmPittsburgh
May 23
PIT10:52 pmPittsburgh
19h 18m
2 stops
STL5:10 pmLambert-St Louis
Delta
Jul 26
STL5:25 pmLambert-St Louis
4h 11m
1 stop
PIT10:36 pmPittsburgh
Jul 29
PIT7:45 pmPittsburgh
4h 59m
1 stop
STL11:44 pmLambert-St Louis
United Airlines
Sep 24
STL9:30 amLambert-St Louis
6h 27m
1 stop
PIT4:57 pmPittsburgh
Sep 28
PIT7:49 pmPittsburgh
15h 18m
2 stops
STL10:07 amLambert-St Louis
Spirit Airlines
May 19
STL7:30 pmLambert-St Louis
28h 29m
1 stop
PIT12:59 amPittsburgh
May 23
PIT7:33 amPittsburgh
12h 07m
1 stop
STL6:40 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to Pittsburgh

If you're looking for one-way flights from St. Louis to Pittsburgh, view some of our deals below provided by American Airlines, Delta and Southwest
American Airlines
Jul 5
STL6:00 amLambert-St Louis
9h 16m
1 stop
PIT4:16 pmPittsburgh
Sun Country Air
May 26
STL6:20 pmLambert-St Louis
15h 51m
1 stop
PIT11:11 amPittsburgh
Spirit Airlines
May 23
STL7:30 pmLambert-St Louis
23h 47m
1 stop
PIT8:17 pmPittsburgh

Search last-minute flights to Pittsburgh from St. Louis

Find and compare round-trip flight prices for your last-minute flight from St. Louis to Pittsburgh
Spirit Airlines
Apr 30
STL2:35 pmLambert-St Louis
9h 10m
1 stop
PIT12:45 amPittsburgh
May 2
PIT5:45 amPittsburgh
13h 55m
1 stop
STL6:40 pmLambert-St Louis
Multiple Airlines
Apr 27
STL11:39 amLambert-St Louis
10h 26m
1 stop
PIT11:05 pmPittsburgh
Apr 28
PIT12:36 pmPittsburgh
22h 11m
1 stop
STL9:47 amLambert-St Louis
Spirit Airlines
Apr 30
STL2:35 pmLambert-St Louis
28h 45m
3 stops
PIT8:20 pmPittsburgh
May 2
PIT5:45 amPittsburgh
13h 55m
1 stop
STL6:40 pmLambert-St Louis
American Airlines
Apr 26
STL4:41 pmLambert-St Louis
6h 26m
1 stop
PIT12:07 amPittsburgh
Apr 30
PIT8:11 amPittsburgh
10h 51m
2 stops
STL6:02 pmLambert-St Louis
Multiple Airlines
Apr 30
STL2:35 pmLambert-St Louis
9h 10m
1 stop
PIT12:45 amPittsburgh
May 2
PIT6:40 amPittsburgh
13h 00m
2 stops
STL6:40 pmLambert-St Louis
Multiple Airlines
Apr 27
STL11:39 amLambert-St Louis
10h 26m
1 stop
PIT11:05 pmPittsburgh
Apr 28
PIT10:10 pmPittsburgh
41h 40m
3 stops
STL2:50 pmLambert-St Louis

Best airlines flying from St. Louis to Pittsburgh

Compare and see reviews for airlines that fly from St. Louis to Pittsburgh with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $153Free CancellationRating
6.4
8,774 reviews
Search Spirit Airlines flights
DeltaPriceFrom $221Free CancellationRating
8.0
11,069 reviews
Search Delta flights
American AirlinesPriceFrom $238Free CancellationRating
7.3
14,951 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
11,325 reviews
Search United Airlines flights

Spirit Airlines flights from St. Louis to Pittsburgh

Our best Spirit Airlines deals on St. Louis to Pittsburgh flight tickets
Spirit Airlines
Apr 30
STL2:35 pmLambert-St Louis
9h 10m
1 stop
PIT12:45 amPittsburgh
May 2
PIT5:45 amPittsburgh
13h 55m
1 stop
STL6:40 pmLambert-St Louis
Spirit Airlines
May 19
STL7:30 pmLambert-St Louis
28h 29m
1 stop
PIT12:59 amPittsburgh
May 23
PIT7:33 amPittsburgh
12h 07m
1 stop
STL6:40 pmLambert-St Louis
Spirit Airlines
May 7
STL2:35 pmLambert-St Louis
9h 10m
1 stop
PIT12:45 amPittsburgh
May 11
PIT5:30 amPittsburgh
5h 58m
1 stop
STL10:28 amLambert-St Louis

American Airlines flights from St. Louis to Pittsburgh

Our best American Airlines deals on St. Louis to Pittsburgh flight tickets
American Airlines
Sep 24
STL6:26 amLambert-St Louis
8h 16m
1 stop
PIT3:42 pmPittsburgh
Sep 28
PIT1:15 pmPittsburgh
7h 43m
1 stop
STL7:58 pmLambert-St Louis
American Airlines
Sep 11
STL5:37 amLambert-St Louis
5h 01m
1 stop
PIT11:38 amPittsburgh
Sep 11
PIT6:13 pmPittsburgh
6h 07m
1 stop
STL11:20 pmLambert-St Louis
American Airlines
Jul 17
STL6:00 amLambert-St Louis
9h 16m
1 stop
PIT4:16 pmPittsburgh
Jul 21
PIT8:15 amPittsburgh
5h 09m
1 stop
STL12:24 pmLambert-St Louis

How to get the cheapest flight ticket from St. Louis to Pittsburgh

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 cheapest month to fly from St. Louis to Pittsburgh?

January. The cheapest time of year to fly to Pittsburgh from St. Louis is January. Most expensive is December

What is the cheapest day to depart St. Louis for Pittsburgh?

Monday. The cheapest day of the week is typically Monday. The most expensive is typically Tuesday

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

In the evening. St. Louis to Pittsburgh flights are approximately 21% more expensive in the morning than in the evening

What is the cheapest airline that flies to Pittsburgh from St. Louis?

Spirit Airlines. American Airlines, Delta, and Spirit Airlines are the most popular carriers operating from St. Louis to Pittsburgh

What is the cheapest St. Louis to Pittsburgh flight route?

Lambert-St Louis - Pittsburgh. Fly from Lambert-St Louis to Pittsburgh for the best St. Louis - Pittsburgh flight prices

How far in advance should you book St. Louis to Pittsburgh flights?

21 days before. The cheapest time to buy a flight from St. Louis to Pittsburgh is approximately 21 days to departure

How many flights depart from St. Louis to Pittsburgh on average per day?

As of April 2024, 1 flights take off from St. Louis and land in Pittsburgh each day. The most common flight departure time for this route is 3:00PM, with 100% of daily flights taking off in the afternoon.

How many flights depart from St. Louis to Pittsburgh on average per week?

The number of flights available between St. Louis and Pittsburgh is 8 per week as of April 2024. The most frequent departure day is Sunday, with 25% of weekly flights leaving on this day.

Cheap St. Louis to Pittsburgh (STL to PIT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Pittsburgh

Best Price Found

$91

Fastest flight time

1h 35m

Direct flights

Sat

Airports in Pittsburgh

1 airport
The best one-way flight to Pittsburgh from St. Louis in the past 72 hours is $91. The best round-trip flight deal from St. Louis to Pittsburgh found on momondo in the last 72 hours is $196.
The fastest flight from St. Louis to Pittsburgh takes 1h 35m
Direct flights go from St. Louis to Pittsburgh on Saturday. The only airline offering direct flights is Southwest.
There is 1 airport near Pittsburgh: Pittsburgh (PIT)

  • How far is Lambert-St Louis to Pittsburgh by plane?

    The distance between Lambert-St Louis and Pittsburgh is about 557.2 mi. Typically, this will take 3h 52m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Pittsburgh Airport?

    Prices for flights from Lambert-St Louis Airport to Pittsburgh Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Pittsburgh Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Pittsburgh Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Pittsburgh Airport.

  • What documentation or ID do you need to fly to Pittsburgh Airport?

    The travel and health documents you'll need for your trip to Pittsburgh 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 Pittsburgh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Pittsburgh?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Pittsburgh. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Pittsburgh with flexible booking policies on momondo?

Flights from St. Louis to Pittsburgh with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Pittsburgh?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Pittsburgh from St. Louis.

I’m not ready to book a flight from St. Louis to Pittsburgh right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Pittsburgh, momondo offers a useful price alert feature which will track prices for flights to Pittsburgh from St. Louis and alert you when they change.


An easier way to manage your Pittsburgh trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Thu 4/25
Thu 5/2
Email me momondo's favorite deals

Find better results for your stay in the United States