Cheap flights from St Louis to Pittsburgh

One-way fares from $158 · STL → PIT · prices found by travellers in the last 48 hours

Cheapest fare
$158

Southern Airways Express · Thu, Nov 12

Cheapest month
November

from $158

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 32m

900 km

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Cheapest month to fly from St Louis to Pittsburgh

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $158

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Southern Airways Express
Depart14:10 Thu, Nov 12STL → PIT 4h 32m · 2 stops
$158one way, per person
View deal
See every date in November 2026 →

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About flights from St Louis to Pittsburgh

St Louis (STL) and Pittsburgh (PIT) are about 900 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 32m. Over the next few months, one-way fares start from $158, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from St Louis to Pittsburgh?

The cheapest one-way fare we've seen recently is $158 with Southern Airways Express, departing Thursday, November 12, 2026.

What is the cheapest month to fly from St Louis to Pittsburgh?

November 2026 currently has the lowest fares, from $158 one way.

Are there direct flights from St Louis to Pittsburgh?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from St Louis to Pittsburgh?

The quickest journey we've seen takes about 4h 32m. St Louis and Pittsburgh are around 900 km apart.

Which airlines fly from St Louis to Pittsburgh?

Recent fares on this route were with Southern Airways Express.

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