Cheap flights from Istanbul to St Louis

One-way fares from $555 · IST → STL · prices found by travellers in the last 48 hours

Compare all dates St Louis → Istanbul
Cheapest fare
$555

Pegasus Airlines · Tue, Dec 8

Cheapest month
December

from $555

Direct flights
Not recently

Usually 1+ stop

Quickest trip
14h 53m

9,230 km

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Cheapest month to fly from Istanbul to St Louis

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

  1. December 2026 Cheapest $555
  2. January 2027 $557
  3. February 2027 $557

Cheapest dates in December 2026

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

Pegasus Airlines
Depart07:45 Tue, Dec 8SAW → STL 20h 00m · 4 stops
$555one way, per person
View deal
Vueling
Depart19:20 Wed, Dec 9IST → STL 17h 55m · 3 stops
$581one way, per person
View deal
British Airways
Depart07:40 Tue, Dec 22IST → STL 16h 36m · 2 stops
$592one way, per person
View deal
Pegasus Airlines
Depart10:25 Fri, Dec 11SAW → STL 20h 49m · 4 stops
$602one way, per person
View deal
Pegasus Airlines
Depart12:30 Fri, Dec 4SAW → STL 18h 12m · 3 stops
$609one way, per person
View deal
Vueling
Depart23:35 Mon, Dec 7IST → STL 17h 55m · 3 stops
$616one way, per person
View deal
Pegasus Airlines
Depart08:45 Sat, Dec 5SAW → STL 18h 12m · 3 stops
$628one way, per person
View deal
Ajet
Depart08:25 Sun, Dec 6SAW → STL 19h 12m · 3 stops
$631one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to St Louis

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in St LouisCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in St LouisTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in St LouisPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in St LouisCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for United StatesMobile data from the moment you land, by Airalo Get eSIM →

About flights from Istanbul to St Louis

Istanbul (IST) and St Louis (STL) are about 9,230 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 14h 53m. Over the next few months, one-way fares start from $555, and December 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 Istanbul to St Louis?

The cheapest one-way fare we've seen recently is $555 with Pegasus Airlines, departing Tuesday, December 8, 2026. Over the coming months, the lowest fare in each month ranges from $555 to $557.

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

December 2026 currently has the lowest fares, from $555 one way.

Are there direct flights from Istanbul to St Louis?

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

How long is the flight from Istanbul to St Louis?

The quickest journey we've seen takes about 14h 53m. Istanbul and St Louis are around 9,230 km apart.

Which airlines fly from Istanbul to St Louis?

Recent fares on this route were with Pegasus Airlines, British Airways, Vueling and Ajet.

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