Cheap flights from St. Louis, MO to Pittsburgh, PA
Choose between Spirit Airlines, Frontier Airlines, or United Airlines to find the best price
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Pittsburgh
Most popular airline | Spirit Airlines |
---|
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Sorry, we couldn't find any results
Sorry, we couldn't find any results
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Spirit Airlines, Frontier Airlines, United Airlines, Southern Airways Express, and Allegiant Air. St. Louis and Pittsburgh have 158 direct flights per week.
Check-in for a flight from St. Louis to Pittsburgh
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Southern Airways Express | FDY | 9X | Yes | No |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Pittsburgh
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 1°C | -5°C |
February | 4°C | -4°C |
March | 10°C | 0°C |
April | 16°C | 5°C |
May | 22°C | 11°C |
June | 26°C | 15°C |
July | 29°C | 18°C |
August | 28°C | 17°C |
September | 24°C | 14°C |
October | 17°C | 8°C |
November | 10°C | 1°C |
December | 5°C | -1°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from St. Louis
- Flights from St. Louis to London
- Flights from St. Louis to Manchester
- Flights from St. Louis to Las Vegas
- Flights from St. Louis to Dublin
- Flights from St. Louis to San Jose
- Flights from St. Louis to Orlando
- Flights from St. Louis to Tampa
- Flights from St. Louis to San Francisco
- Flights from St. Louis to Washington, D.C.
- Flights from St. Louis to Glasgow
- Flights from St. Louis to Houston
- Flights from St. Louis to Minneapolis
- Flights from St. Louis to Detroit
- Flights from St. Louis to Los Angeles
- Flights from St. Louis to Raleigh
- Flights from St. Louis to Seattle
- Flights from St. Louis to Atlanta
- Flights from St. Louis to Guayaquil
- Flights from St. Louis to Edmonton
- Flights from St. Louis to Vilnius
Flights to Pittsburgh
- Flights from London to Pittsburgh
- Flights from Manchester to Pittsburgh
- Flights from Athens to Pittsburgh
- Flights from Toronto to Pittsburgh
- Flights from Edinburgh to Pittsburgh
- Flights from Bangkok to Pittsburgh
- Flights from Los Angeles to Pittsburgh
- Flights from Malta to Pittsburgh
- Flights from Dublin to Pittsburgh
- Flights from Orlando to Pittsburgh
- Flights from Paris to Pittsburgh
- Flights from Aberdeen to Pittsburgh
- Flights from Tampa to Pittsburgh
- Flights from Las Vegas to Pittsburgh
- Flights from Prague to Pittsburgh
- Flights from Raleigh to Pittsburgh
- Flights from Taipei to Pittsburgh
- Flights from Chennai to Pittsburgh
- Flights from Reykjavik to Pittsburgh
- Flights from San Diego to Pittsburgh
Popular routes
- Flights from Sacramento to Berlin
- Flights from Hartford to Cleveland
- Flights from Singapore to Jakarta
- Flights from Stockholm to Bogotá
- Flights from Kuwait City to Pereira
- Flights from Barranquilla to Yerevan
- Flights from Mombasa to Denver
- Flights from Sarasota to Guadalajara
- Flights from Johannesburg to Austin
- Flights from Puerto Escondido, Oaxaca to São Paulo
- Flights from Fresno to Karachi
- Flights from London to Athens