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Fares from Pittsburgh International Airport to St. Louis
Compare live prices for PIT to STL on Tue, 14 Apr 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
PIT → STL Approx. 889.08 km 14 Apr 2026 Live inventory
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PIT→STL

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Showing 25 of 131 live flights
Southwest Airlines
WN-4639
06:50
04/14/2026
PIT
0h 50m
Non-stop
07:40
04/14/2026
STL
₹10,392
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-3945
19:10
04/14/2026
PIT
0h 50m
Non-stop
20:00
04/14/2026
STL
₹10,392
per person
✕ Non-refundable12 fare options
Delta Air Lines
DL-1226
06:40
04/14/2026
PIT
3h 2m
1 Stop
⏱ DTW · 1h 11m
09:42
04/14/2026
STL
₹11,020
per person
✕ Non-refundable13 fare options
Delta Air Lines
DL-1383
07:05
04/14/2026
PIT
3h 29m
1 Stop
⏱ ATL · 0h 50m
10:34
04/14/2026
STL
₹11,020
per person
✕ Non-refundable12 fare options
Delta Air Lines
DL-3122
19:46
04/14/2026
PIT
3h 50m
1 Stop
⏱ ATL · 1h 3m
23:36
04/14/2026
STL
₹11,020
per person
✕ Non-refundable13 fare options
Delta Air Lines
DL-1345
14:08
04/14/2026
PIT
3h 36m
1 Stop
⏱ ATL · 1h 3m
17:44
04/14/2026
STL
₹11,044
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1353
17:25
04/14/2026
PIT
3h 54m
1 Stop
⏱ ATL · 1h 19m
21:19
04/14/2026
STL
₹11,044
per person
✕ Non-refundable9 fare options
Delta Air Lines
DL-1504
06:00
04/14/2026
PIT
4h 34m
1 Stop
⏱ ATL · 1h 56m
10:34
04/14/2026
STL
₹11,044
per person
✕ Non-refundable9 fare options
Delta Air Lines
DL-1383
07:05
04/14/2026
PIT
4h 51m
1 Stop
⏱ ATL · 2h 15m
11:56
04/14/2026
STL
₹11,044
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1504
06:00
04/14/2026
PIT
5h 56m
1 Stop
⏱ ATL · 3h 21m
11:56
04/14/2026
STL
₹11,044
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1353
17:25
04/14/2026
PIT
6h 11m
1 Stop
⏱ ATL · 3h 34m
23:36
04/14/2026
STL
₹11,044
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1360
19:10
04/14/2026
PIT
3h 0m
1 Stop
⏱ MDW · 1h 15m
22:10
04/14/2026
STL
₹11,489
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-3940
08:25
04/14/2026
PIT
3h 5m
1 Stop
⏱ MDW · 1h 20m
11:30
04/14/2026
STL
₹11,489
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-1556
18:55
04/14/2026
PIT
3h 5m
1 Stop
⏱ BNA · 1h 5m
22:00
04/14/2026
STL
₹11,489
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-1550
10:50
04/14/2026
PIT
4h 25m
1 Stop
⏱ BWI · 1h 55m
15:15
04/14/2026
STL
₹11,489
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-3752
16:20
04/14/2026
PIT
4h 45m
1 Stop
⏱ BWI · 2h 10m
21:05
04/14/2026
STL
₹11,489
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-3934
17:25
04/14/2026
PIT
4h 55m
1 Stop
⏱ HOU · 0h 40m
22:20
04/14/2026
STL
₹11,489
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-2016
12:50
04/14/2026
PIT
5h 5m
1 Stop
⏱ DAL · 1h 25m
17:55
04/14/2026
STL
₹11,489
per person
✕ Non-refundable12 fare options
Southwest Airlines Dallas
WN-2513
07:25
04/14/2026
PIT
5h 15m
1 Stop
⏱ TPA · 1h 20m
12:40
04/14/2026
STL
₹11,489
per person
✕ Non-refundable7 fare options
Southwest Airlines Dallas
WN-3938
15:50
04/14/2026
PIT
6h 45m
1 Stop
⏱ MCO · 2h 45m
22:35
04/14/2026
STL
₹11,489
per person
✕ Non-refundable🔥 Last 4 seats7 fare options
Southwest Airlines Dallas
WN-1348
13:25
04/14/2026
PIT
4h 30m
1 Stop
⏱ MDW · 2h 45m
17:55
04/14/2026
STL
₹11,489
per person
✕ Non-refundable7 fare options
Southwest Airlines
WN-1704
06:05
04/14/2026
PIT
5h 20m
1 Stop
⏱ DEN · 0h 45m
11:25
04/14/2026
STL
₹11,489
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-2467
08:45
04/14/2026
PIT
5h 45m
1 Stop
⏱ AUS · 1h 25m
14:30
04/14/2026
STL
₹11,489
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-1704
06:05
04/14/2026
PIT
6h 55m
1 Stop
⏱ DEN · 1h 5m
13:00
04/14/2026
STL
₹11,988
per person
✕ Non-refundable4 fare options
Southwest Airlines Dallas
WN-875
06:25
04/14/2026
PIT
6h 25m
1 Stop
⏱ BNA · 4h 25m
12:50
04/14/2026
STL
₹12,016
per person
✕ Non-refundable7 fare options
😕 No flights match your filters.
Pittsburgh International Airport (PIT)
📍 Pittsburgh International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 40.49150085
📐 Longitude: -80.23290253
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003

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

📅 Results on this page are loaded for 14 Apr 2026. Click View all flights for the complete live search.

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

The PIT–STL 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 Pittsburgh International Airport,USA and St. Louis,USA is approximately 889.08 km.

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More flights from Pittsburgh International Airport (PIT)
31 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 → LGA
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 Tampa
PIT → TPA
Pittsburgh International Airport Toronto
PIT → YYZ
Pittsburgh International Airport Washington DC
PIT → IAD
More flights from St. Louis (STL)
55 routes
St. Louis Atlanta
STL → ATL
St. Louis Boston
STL → BOS
St. Louis Burlington IA
STL → BRL
St. Louis Cancun
STL → CUN
St. Louis Cape Girardeau
STL → CGI
St. Louis Charlotte
STL → CLT
St. Louis Chicago
STL → MDW
St. Louis Cincinnati
STL → CVG
St. Louis Cleveland
STL → CLE
St. Louis Columbus
STL → CMH
St. Louis Dallas
STL → DAL
St. Louis Decatur
STL → DEC
St. Louis Denver
STL → DEN
St. Louis Detroit
STL → DTW
St. Louis Fort Lauderdale
STL → FLL
St. Louis Fort Leonard Wood
STL → TBN
St. Louis Fort Myers
STL → RSW
St. Louis Fort Worth
STL → DFW
St. Louis Grand Rapids
STL → GRR
St. Louis Houston
STL → IAH
St. Louis Houston
STL → HOU
St. Louis Jonesboro
STL → JBR
St. Louis Kansas City
STL → MCI
St. Louis Kirksville
STL → IRK
St. Louis Las Vegas
STL → LAS
St. Louis Little Rock
STL → LIT
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 → JFK
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 Pittsburgh International Airport
STL → PIT
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 → DCA
❓ Frequently asked questions — Pittsburgh International Airport to St. Louis 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 Pittsburgh International Airport,USA (PIT) and St. Louis,USA (STL) 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.