Cheap flights from Pittsburgh to St. Louis (PIT - STL)
The best prices from Pittsburgh to Lambert-St Louis are usually found in January or December, booked 55 days in advance, depart on a Wednesday or Thursday and return on a Saturday
How to find the cheapest flight from Pittsburgh (PIT) to St. Louis (STL)
All the information you need to plan the best PIT to STL flight in 2022: compare Pittsburgh to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
PIT - STL Price | $163 - $514 |
|---|---|
STL Temperature | 32 - 80.6 °F |
STL Rainfall | 2.2 - 4.7 inches |
| Popular in | August | High demand for flights, 37% potential price rise |
|---|---|---|
| Cheapest in | January | Best time to find cheap flights, 49% potential price drop |
| Average price | $196 | Average for round-trip flights in December 2022 |
| Round-trip from | $163 | From Pittsburgh to Lambert-St Louis |
What is the cheapest day to fly round-trip from Pittsburgh to St. Louis?
Saturday flights are generally found to be more expensive for flights from Pittsburgh to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.
How far in advance should I book a flight from Pittsburgh to St. Louis?
To save on the cost of your flight from Pittsburgh to St. Louis, book at least 55 days before your planned departure. Booking around this time can save you about 44% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $348 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $428.
What is the cheapest month to fly from Pittsburgh to St. Louis?
Flights from Pittsburgh to St. Louis lean towards being more expensive in August. Prices are generally better when you fly from Pittsburgh to St. Louis in January, with the cheapest ticket starting at $150.
When is the cheapest time to fly from Pittsburgh to St. Louis (PIT - STL)?
A simple way to save on the total cost of your ticket is to fly from Pittsburgh to St. Louis at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the afternoon.
Cheap flights from Pittsburgh to St. Louis in December, January 2022
The best prices found for PIT to STL flights for December, January
Pittsburgh
Lambert-St Louis
1 stop
6h 05mLambert-St Louis
Pittsburgh
1 stop
10h 27mSpirit Airlines
Pittsburgh
Lambert-St Louis
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9h 15mLambert-St Louis
Pittsburgh
1 stop
7h 46mSpirit Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 32mLambert-St Louis
Pittsburgh
1 stop
18h 01mMultiple Airlines
Pittsburgh to St. Louis 2022 flight deals
Cheap flights to St. Louis from Pittsburgh found for this year
Pittsburgh
Lambert-St Louis
1 stop
6h 05mLambert-St Louis
Pittsburgh
1 stop
10h 27mSpirit Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 32mLambert-St Louis
Pittsburgh
1 stop
18h 01mMultiple Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 05mLambert-St Louis
Pittsburgh
1 stop
18h 01mMultiple Airlines
Cheap American Airlines flights from Pittsburgh to St. Louis
Pittsburgh
Lambert-St Louis
1 stop
7h 18mLambert-St Louis
Pittsburgh
2 stops
13h 05mAmerican Airlines
Pittsburgh
Lambert-St Louis
1 stop
4h 40mLambert-St Louis
Pittsburgh
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9h 08mAmerican Airlines
Pittsburgh
Lambert-St Louis
2 stops
7h 46mLambert-St Louis
Pittsburgh
1 stop
4h 21mAmerican Airlines
Cheap Spirit Airlines flights from Pittsburgh to St. Louis
Pittsburgh
Lambert-St Louis
1 stop
6h 05mLambert-St Louis
Pittsburgh
1 stop
10h 27mSpirit Airlines
Pittsburgh
Lambert-St Louis
1 stop
9h 15mLambert-St Louis
Pittsburgh
1 stop
7h 46mSpirit Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 05mLambert-St Louis
Pittsburgh
1 stop
10h 27mSpirit Airlines
Last minute flights from Pittsburgh to St. Louis
Late deals on return flights to St. Louis from Pittsburgh, departing today and this week
Pittsburgh
Lambert-St Louis
1 stop
6h 05mLambert-St Louis
Pittsburgh
1 stop
10h 27mSpirit Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 05mLambert-St Louis
Pittsburgh
1 stop
10h 27mSpirit Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 32mLambert-St Louis
Pittsburgh
1 stop
12h 24mSpirit Airlines
One-way flights to St. Louis from Pittsburgh
The cheapest one-way flights from Pittsburgh to St. Louis
Pittsburgh
Lambert-St Louis
1 stop
10h 59mMultiple Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 32mSpirit Airlines
Pittsburgh
Lambert-St Louis
1 stop
6h 32mSpirit Airlines
Related info for your journey
Useful info, stats and facts about Pittsburgh to St. Louis flights.
Which airlines flying from Pittsburgh to Lambert-St Louis have flexible cancellations due to COVID-19?
American Airlines, Delta, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Can I find flights from Pittsburgh to St. Louis for under $200 on Cheapflights?
Yes, there are multiple flights from Pittsburgh to St. Louis for under $200. The cheapest flight booked recently is on Spirit Airlines for just $169, but on average you can expect to pay $235.
Are there last-minute flights available from Pittsburgh to St. Louis for under $200?
There are currently 20+ open flights from Pittsburgh to St. Louis within the next 7 days for less than $200.
How popular is this Pittsburgh to St. Louis flight route?
This flight path from Pittsburgh to Lambert-St Louis was viewed by 29 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Pittsburgh to St. Louis round-trip?
Spirit Airlines, at $169, was found to be the cheapest airline from Pittsburgh to St. Louis.Alternate airlines to your destination round-trip include Frontier and Delta. Users have found that Spirit Airlines is 47% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Pittsburgh to St. Louis one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $83. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Pittsburgh to St. Louis for a low price.
What are the most popular airlines that fly from Pittsburgh to St. Louis?
American Airlines, Delta and Juneyao Airlines are the most popular airlines when flying from Pittsburgh to St. Louis.
What are the cheapest flights from Pittsburgh to St. Louis?
The cheapest flight price from Pittsburgh to St. Louis is $253. On average you can expect to pay $784. The most popular route, (Pittsburgh - Lambert-St Louis), can usually be booked for $202.
Other flights from Pittsburgh
Flights to St. Louis from Pittsburgh
Alternative routes for Pittsburgh to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Pittsburgh to St. Louis
The chart below displays the airlines Cheapflights users traveling from Pittsburgh to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Pittsburgh to St. Louis
See what time of day planes typically take off from Pittsburgh to St. Louis
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 62%of flight departures | Morning6 am to noon |
| 25%of flight departures | AfternoonNoon to 6 pm |
| 12%of flight departures | Evening6 pm to midnight |
Weekly flight availability from Pittsburgh to St. Louis
See how many times per day planes take to the skies headed from Pittsburgh to St. Louis
| Sunday | 0daily flights |
|---|---|
| Monday | 1daily flight |
| Tuesday | 1daily flight |
| Wednesday | 1daily flight |
| Thursday | 1daily flight |
| Friday | 1daily flight |
| Saturday | 0daily flights |