Flights from St Louis Airport to Pennsylvania

Flight deals from St Louis Airport to Pennsylvania

Looking for cheap tickets from St Louis Airport to Pennsylvania, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Flying from St Louis Airport to Pennsylvania

Arm yourself with these facts on the fly.
Cheapest flight foundRs18,437
Cheapest month to flyMarch
Average flight time1 hr, 57 mins
Average flights per week102
Most popular airlineAmerican Airlines

Frequently asked questions

Yes - direct flights currently operate from St Louis Airport to Philadelphia International Airport in Pennsylvania.
We looked at all of the upcoming return flights from St Louis Airport to Pennsylvania we could find over the next 12 months. It looks like Rs41,456 is the best price. This is good, compared to the average Pennsylvania ticket price of Rs79,071.
The cheapest month to fly from St Louis Airport to Wilkes-Barre International Airport is currently February.
The cheapest month to fly from St Louis Airport to Johnstown Airport is currently February.
The cheapest month to fly from St Louis Airport to Allentown Airport is currently July.
And the cheapest month to fly from St Louis Airport to Lancaster Airport is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from St Louis Airport to Pennsylvania on Tuesday, 3 March 2026.
If you're flying from St Louis, the cheapest city in Pennsylvania to fly into is Philadelphia. The cheapest airport serving Philadelphia at the moment is Philadelphia International.
The average flight time between St Louis Airport and Pennsylvania is 1 hour and 57 minutes.