Cheap flight tickets from St Louis to Istanbul

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Flight deals from St Louis to Istanbul

Looking for a cheap last-minute deal or the best return flight from St Louis to Istanbul? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Istanbul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Istanbul flights are currently cheapest in September.

Alternative St Louis to Istanbul routes

Looking for the cheapest, fastest or easiest route from St Louis to Istanbul? You could fly into the following airports instead.

St Louis to Istanbul: Flight information

The things to know before you go.
Cheapest flight foundRM3,091
Cheapest month to flySeptember

Finding cheap flights from St Louis to Istanbul: Frequently asked questions

There are 2 airports in Istanbul: Istanbul Sabiha and Istanbul.
The best price we found for a return flight from St Louis to Istanbul is RM3,091. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Istanbul. But we found flights with one or more stops from RM3,091.
As of May 2025, there are no flights flying from St Louis to Istanbul.
The cheapest month to fly from St Louis to Istanbul is usually May 2025.
If you're flying from St Louis Airport, the cheapest airport near Istanbul is Istanbul – which is 34.4 km away from the centre of Istanbul. We've found flights into this airport from RM3,091.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Istanbul on Tuesday, 2 September 2025.
No airlines currently offer direct flights between St Louis Airport and Istanbul. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Istanbul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Istanbul is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 17°C. August is typically the warmest month in Istanbul, when it usually averages around 27°C. You can expect the least rain in August. The coldest month is January, with temperatures averaging 4°C. The rainiest month is December.
Currently, Delta offers the cheapest flight tickets to Istanbul.

Travelling from Lambert-St. Louis International Airport (STL) to Istanbul: what you need to know

  • The timezone in Istanbul is UTC+3. The city is eight hours ahead of St Louis, where Lambert-St. Louis International Airport is located.

  • Leave enough time to get on your STL to Istanbul flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're heading away during a major holiday or another peak period, allow for even more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • We make it a breeze to book flight tickets from STL to Istanbul with a stopover. To see your options, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to see the sights of your chosen city. Well-traveled stopover hubs include:

    • O'Hare International Airport (ORD)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Frankfurt Airport (FRA)

  • Located around 16 kilometres from central St Louis, STL can be reached in about 20 minutes by car. Travelling on public transport will take roughly 35 minutes.

  • In search of a hotel close to STL? If you've booked an early flight from Lambert-St. Louis International Airport to Istanbul, these accommodation options will put you moments from your departure gate:

  • 78.04% of flights that leave from Lambert-St. Louis International Airport reach their destination on schedule.

  • You'll find STL at 10701 Lambert International Blvd..

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Istanbul

  • The best price we've seen for a one-way Lambert-St. Louis International Airport to Istanbul flight is RM2,365. The cheapest price for a return flight is RM3,091. Keep in mind fares can change due to demand at the time of booking.

  • To find cheap flights from STL to Istanbul, book as early as you can. Airlines typically offer lower fares when tickets are first released.

  • The 'Whole month' tool will show you the cheapest tickets from Lambert-St. Louis International Airport to Istanbul throughout the month. It's a good way to find a bargain if your trip dates aren't set in stone.

  • You don't need to check back constantly to see if fares have dropped when you create a Price Alert. We'll notify you as soon as there's an extra saving on cheap flights from STL to Istanbul.

  • Tailor your flights with filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Istanbul.

Airports in Istanbul

Istanbul Ataturk Airport (IST)

  • Istanbul Ataturk Airport (IST) is around 48 kilometres from the centre of Istanbul. If you're catching a cab or a ride-share, the drive will take roughly 50 minutes.

  • Travelling on public transport takes about 1 hour 45 minutes.

  • If you have a late flight from Lambert-St. Louis International Airport to Istanbul, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping not long after at one of these hotels near IST:

  • Go wherever you want, whenever you want with an Istanbul Ataturk Airport rental car. Pick up your wheels from Hit, Avec car rentals or Eren Rent a Car and experience more of Istanbul and beyond.

  • Lock in the best possible rate by reserving your ride from Istanbul Ataturk Airport about two weeks in advance of your flight from STL to Istanbul.

Sabiha Gokcen International Airport (SAW)

  • Once your flight from Lambert-St. Louis International Airport to Istanbul has arrived, you can get to the city centre in about 55 minutes by car. Central Istanbul is roughly 48 kilometres from Sabiha Gokcen International Airport (SAW).

  • The journey will take roughly 1 hour 30 minutes on public transport.

  • There are some great places to rest your head close to SAW. Tuck yourself in and get cosy after your STL to Istanbul flight at any of these perfectly located options:

  • Forget about public transport schedules or long cab queues. Grab a Sabiha Gokcen International Airport rental car and go in any direction that inspires you. Compare availability and rates from Essence, Eren Rent a Car and 724 Rent.

  • Get the pick of the lot. Securing your ride from SAW four weeks ahead of time often means better prices and a greater selection of vehicles.

Best time to go to Istanbul

  • Visit Istanbul during peak season if you like a busy atmosphere, but remember that prices tend to be higher. Alternatively, book your flights from Lambert-St. Louis International Airport to Istanbul during low season when prices are cheaper and it's not as busy.

  • The warmest month in Istanbul is August, with temperatures ranging between 20ºC (68ºF) and 30ºC (86ºF). Book your Lambert-St. Louis International Airport to Istanbul flight ticket then if that's your definition of good weather.

  • For cooler conditions, search for a cheap ticket from STL to Istanbul in January when temperatures average between 2ºC (36ºF) and 11ºC (52ºF).

More about Istanbul

  • After booking your flight from Lambert-St. Louis International Airport to Istanbul, choose a hotel that puts you right where the action is. Make one of these accommodation options your base for exploring Istanbul:

  • There are so many things to do and see in this city it can be hard to work out where to start. The Basilica Cistern, Topkapi Palace and Galata Tower are highlights which should be on any well-planned Istanbul itinerary.

Explore more of Türkiye (Turkey)

  • Ankara is just one of the many cities in Türkiye (Turkey) waiting to be explored once you've seen the sights of Istanbul. Around 354 kilometres away to the east, check out popular attractions including Museum of Anatolian Civilizations, Kocatepe Mosque (Kocatepe Camii) and Genclik Park.

  • Around 322 kilometres south-west of Istanbul, Izmir is another favourite stop in Türkiye (Turkey). Get a taste of what this destination has to offer at Kordonboyu, Kadifekale Castle and Alsancak.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.