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St. Louis to Pittsburgh International Airport flight ticket price

Compare live prices for STL to PIT. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
STL → PIT Approx. 889.08 km 08 May 2026 Live inventory
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Showing 25 of 110 live flights
Southwest Airlines
WN-2620
19:40
05/08/2026
STL
St Louis Lambert International Airport
2h 35m
Non-stop
22:15
05/08/2026
PIT
Pittsburgh International Airport
₹14,058
per person
✕ Non-refundable6 fare options
American Airlines
AA-3130
13:29
05/08/2026
STL
St Louis Lambert International Airport
5h 30m
1 Stop
⏱ PHL · 0h 43mPHL Airport
18:59
05/08/2026
PIT
Pittsburgh International Airport
₹14,182
per person
✕ Non-refundable14 fare options
American Airlines
AA-3130
13:29
05/08/2026
STL
St Louis Lambert International Airport
8h 6m
1 Stop
⏱ PHL · 3h 19mPHL Airport
21:35
05/08/2026
PIT
Pittsburgh International Airport
₹14,182
per person
✕ Non-refundable7 fare options
American Airlines
AA-2943
18:54
05/08/2026
STL
St Louis Lambert International Airport
5h 29m
1 Stop
⏱ CLT · 1h 3mCLT Airport
00:23
05/09/2026
+1
PIT
Pittsburgh International Airport
₹14,182
per person
✕ Non-refundable13 fare options
Delta Air Lines
DL-1393
19:01
05/08/2026
STL
St Louis Lambert International Airport
5h 44m
1 Stop
⏱ ATL · 1h 21mATL Airport
00:45
05/09/2026
+1
PIT
Pittsburgh International Airport
₹14,182
per person
✕ Non-refundable
Delta Air Lines
DL-1485
17:20
05/08/2026
STL
St Louis Lambert International Airport
7h 25m
1 Stop
⏱ ATL · 3h 6mATL Airport
00:45
05/09/2026
+1
PIT
Pittsburgh International Airport
₹14,182
per person
✕ Non-refundable
American Airlines
AA-2958
14:12
05/08/2026
STL
St Louis Lambert International Airport
6h 46m
1 Stop
⏱ CLT · 2h 17mCLT Airport
20:58
05/08/2026
PIT
Pittsburgh International Airport
₹14,644
per person
✕ Non-refundable14 fare options
American Airlines
AA-5541
15:43
05/08/2026
STL
St Louis Lambert International Airport
6h 32m
1 Stop
⏱ DCA · 2h 1mDCA Airport
22:15
05/08/2026
PIT
Pittsburgh International Airport
₹14,644
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2445
14:10
05/08/2026
STL
St Louis Lambert International Airport
5h 20m
1 Stop
⏱ BNA · 1h 35mBNA Airport
19:30
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-3816
15:25
05/08/2026
STL
St Louis Lambert International Airport
6h 40m
1 Stop
⏱ MCO · 0h 50mMCO Airport
22:05
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-5047
14:20
05/08/2026
STL
St Louis Lambert International Airport
7h 45m
1 Stop
⏱ MCO · 2h 0mMCO Airport
22:05
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-3816
15:25
05/08/2026
STL
St Louis Lambert International Airport
7h 55m
1 Stop
⏱ MCO · 2h 5mMCO Airport
23:20
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-5047
14:20
05/08/2026
STL
St Louis Lambert International Airport
9h 0m
1 Stop
⏱ MCO · 3h 15mMCO Airport
23:20
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-3144
16:00
05/08/2026
STL
St Louis Lambert International Airport
7h 10m
1 Stop
⏱ BWI · 2h 55mBWI Airport
23:10
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-4521
10:25
05/08/2026
STL
St Louis Lambert International Airport
7h 35m
1 Stop
⏱ TPA · 1h 55mTPA Airport
18:00
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable🔥 Last 2 seats5 fare options
Southwest Airlines
WN-4047
14:25
05/08/2026
STL
St Louis Lambert International Airport
7h 40m
1 Stop
⏱ TPA · 2h 5mTPA Airport
22:05
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-4427
10:15
05/08/2026
STL
St Louis Lambert International Airport
7h 55m
1 Stop
⏱ ATL · 3h 40mATL Airport
18:10
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable🔥 Last 4 seats5 fare options
Southwest Airlines
WN-4466
05:40
05/08/2026
STL
St Louis Lambert International Airport
8h 25m
1 Stop
⏱ HOU · 2h 30mHOU Airport
14:05
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-2952
15:00
05/08/2026
STL
St Louis Lambert International Airport
9h 5m
1 Stop
⏱ DEN · 2h 40mDEN Airport
00:05
05/09/2026
+1
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-1774
13:55
05/08/2026
STL
St Louis Lambert International Airport
9h 35m
1 Stop
⏱ AUS · 3h 35mAUS Airport
23:30
05/08/2026
PIT
Pittsburgh International Airport
₹15,149
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-3727
13:35
05/08/2026
STL
St Louis Lambert International Airport
9h 45m
1 Stop
⏱ MCO · 0h 55mMCO Airport
23:20
05/08/2026
PIT
Pittsburgh International Airport
₹15,644
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-451
14:15
05/08/2026
STL
St Louis Lambert International Airport
9h 5m
1 Stop
⏱ MCO · 1h 50mMCO Airport
23:20
05/08/2026
PIT
Pittsburgh International Airport
₹15,644
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-451
14:15
05/08/2026
STL
St Louis Lambert International Airport
7h 50m
1 Stop
⏱ MCO · 0h 35mMCO Airport
22:05
05/08/2026
PIT
Pittsburgh International Airport
₹15,644
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-757
10:15
05/08/2026
STL
St Louis Lambert International Airport
7h 55m
1 Stop
⏱ ATL · 1h 40mATL Airport
18:10
05/08/2026
PIT
Pittsburgh International Airport
₹15,644
per person
✕ Non-refundable🔥 Last 1 seats4 fare options
Southwest Airlines
WN-2445
14:10
05/08/2026
STL
St Louis Lambert International Airport
8h 5m
1 Stop
⏱ BNA · 4h 20mBNA Airport
22:15
05/08/2026
PIT
Pittsburgh International Airport
₹15,672
per person
✕ Non-refundable4 fare options
😕 No flights match your filters.
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
Pittsburgh International Airport (PIT)
📍 Pittsburgh International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 40.49150085
📐 Longitude: -80.23290253

✈ Distance: St. Louis,USA to Pittsburgh International Airport,USA889.08 km

📅 Results on this page are loaded for 08 May 2026. Click View all flights for the complete live search.

St. Louis to Pittsburgh International Airport — what to expect when booking

The STL–PIT route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between St. Louis,USA and Pittsburgh International Airport,USA is approximately 889.08 km.

Before you book

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More flights from St. Louis (STL)
54 routes
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St. Louis Kirksville
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St. Louis Las Vegas
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St. Louis Little Rock
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St. Louis Los Angeles
STL → LAX
St. Louis Marion
STL → MWA
St. Louis Miami
STL → MIA
St. Louis Milwaukee
STL → MKE
St. Louis Minneapolis
STL → MSP
St. Louis Montego Bay
STL → MBJ
St. Louis Nashville
STL → BNA
St. Louis New Orleans
STL → MSY
St. Louis New York
STL → EWR
St. Louis Oklahoma City
STL → OKC
St. Louis Omaha
STL → OMA
St. Louis Orlando
STL → MCO
St. Louis Owensboro
STL → OWB
St. Louis Philadelphia
STL → PHL
St. Louis Phoenix
STL → PHX
St. Louis Puerto Vallarta
STL → PVR
St. Louis Punta Cana
STL → PUJ
St. Louis Quincy
STL → UIN
St. Louis Raleigh
STL → RDU
St. Louis Salt Lake City
STL → SLC
St. Louis San Antonio
STL → SAT
St. Louis San Diego
STL → SAN
St. Louis San Francisco
STL → SFO
St. Louis Seattle
STL → SEA
St. Louis Tampa
STL → TPA
St. Louis Toronto
STL → YYZ
St. Louis Tulsa
STL → TUL
St. Louis Washington DC
STL → IAD
More flights from Pittsburgh International Airport (PIT)
32 routes
Pittsburgh International Airport Atlanta
PIT → ATL
Pittsburgh International Airport Boston
PIT → BOS
Pittsburgh International Airport Cancun
PIT → CUN
Pittsburgh International Airport Charlotte
PIT → CLT
Pittsburgh International Airport Chicago
PIT → MDW
Pittsburgh International Airport Cincinnati
PIT → CVG
Pittsburgh International Airport Denver
PIT → DEN
Pittsburgh International Airport Detroit
PIT → DTW
Pittsburgh International Airport Fort Lauderdale
PIT → FLL
Pittsburgh International Airport Fort Myers
PIT → RSW
Pittsburgh International Airport Fort Worth
PIT → DFW
Pittsburgh International Airport Hartford
PIT → BDL
Pittsburgh International Airport Houston
PIT → IAH
Pittsburgh International Airport Houston
PIT → HOU
Pittsburgh International Airport Las Vegas
PIT → LAS
Pittsburgh International Airport Los Angeles
PIT → LAX
Pittsburgh International Airport Memphis
PIT → MEM
Pittsburgh International Airport Miami
PIT → MIA
Pittsburgh International Airport Minneapolis
PIT → MSP
Pittsburgh International Airport Nashville
PIT → BNA
Pittsburgh International Airport New York
PIT → JFK
Pittsburgh International Airport Orlando
PIT → MCO
Pittsburgh International Airport Paris
PIT → CDG
Pittsburgh International Airport Philadelphia
PIT → PHL
Pittsburgh International Airport Phoenix
PIT → PHX
Pittsburgh International Airport Punta Cana
PIT → PUJ
Pittsburgh International Airport Raleigh
PIT → RDU
Pittsburgh International Airport San Francisco
PIT → SFO
Pittsburgh International Airport St. Louis
PIT → STL
Pittsburgh International Airport Tampa
PIT → TPA
Pittsburgh International Airport Toronto
PIT → YYZ
Pittsburgh International Airport Washington DC
PIT → BWI
❓ Frequently asked questions — St. Louis to Pittsburgh International Airport flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between St. Louis,USA (STL) and Pittsburgh International Airport,USA (PIT) is approximately 889.08 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.