STL - IST

$721 Find Cheap Flights from St. Louis to Istanbul Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$817
Typical prices: $751-$1,226
Air France
Sat 11/3Sat 11/10
STL - IST • 2 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Istanbul Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
6 weeks
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 43% compared to booking last minute.
Insights
Insights
When to travel
December
Cheapest • 41% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Frankfurt am Main (FRA)
Cheapest • Avg $1,002 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 15h 34m (one-way)
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Insights
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Flight Deals

Cheap Flights from St. Louis to Istanbul (STL-IST)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Istanbul

Tue, Nov 3 - Tue, Nov 10
Air France Logo
4:22 pm - 5:45 pmSTL  Lambert-St Louis-IST Istanbul
16h 23m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Air France Logo
7:15 am - 11:56 pmIST  Istanbul-STL Lambert-St Louis
25h 41m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
$817Air France
Wed, Oct 28 - Thu, Nov 12
Air France Logo
2:38 pm - 5:55 pmSTL  Lambert-St Louis-IST Istanbul
19h 17m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Air France Logo
7:15 am - 11:56 pmIST  Istanbul-STL Lambert-St Louis
25h 41m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
$817Air France
Tue, Feb 2 - Fri, Feb 5
United Airlines Logo
3:21 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
22h 24m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
6:30 am - 1:45 pmIST  Istanbul-STL Lambert-St Louis
16h 15m1 stop Frankfurt am Main
$825United Airlines
Wed, Mar 10 - Wed, Apr 7
United Airlines Logo
1:08 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
24h 37m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
5:40 am - 1:25 pmIST  Istanbul-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$825United Airlines
Wed, Mar 10 - Wed, Apr 7
Lufthansa Logo
3:40 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
22h 05m1 stop Frankfurt am Main
Lufthansa Logo
5:40 am - 1:25 pmIST  Istanbul-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$839Lufthansa
Tue, Oct 20 - Thu, Nov 26
Lufthansa Logo
3:30 pm - 4:55 pmSTL  Lambert-St Louis-IST Istanbul
17h 25m1 stop Frankfurt am Main
Lufthansa Logo
7:05 pm - 1:45 pmIST  Istanbul-STL Lambert-St Louis
27h 40m1 stop Frankfurt am Main
$839Lufthansa
Wed, Oct 28 - Thu, Nov 12
British Airways Logo
12:47 pm - 12:25 amSTL  Lambert-St Louis-IST Istanbul
27h 38m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
7:40 am - 11:33 pmIST  Istanbul-STL Lambert-St Louis
24h 53m2 stops London Heathrow Dallas/Fort Worth
$840British Airways
Fri, Nov 6 - Fri, Nov 13
British Airways Logo
5:29 pm - 12:35 amSTL  Lambert-St Louis-IST Istanbul
22h 06m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
8:25 am - 10:15 pmIST  Istanbul-STL Lambert-St Louis
22h 50m2 stops London Heathrow Chicago O'Hare Intl
$914British Airways
Sun, Oct 11 - Sat, Oct 24
Turkish Airlines Logo
8:00 am - 2:50 pmSTL  Lambert-St Louis-IST Istanbul
22h 50m1 stop Chicago O'Hare Intl
Turkish Airlines Logo
6:30 am - 9:21 pmIST  Istanbul-STL Lambert-St Louis
22h 51m1 stop Chicago O'Hare Intl
$1,181Turkish Airlines
Sun, Oct 18 - Sat, Oct 24
Turkish Airlines Logo
8:00 am - 5:45 amSTL  Lambert-St Louis-IST Istanbul
13h 45m1 stop Chicago O'Hare Intl
Turkish Airlines Logo
6:30 am - 9:21 pmIST  Istanbul-STL Lambert-St Louis
22h 51m1 stop Chicago O'Hare Intl
$1,279Turkish Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Istanbul Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Istanbul Airport?

Round-trip flights from St. Louis to Istanbul Airport typically range from $751 to $1,226. The lowest price found in the past 5 days was $817, on Air France.

What's the cheapest day of the week to fly from St. Louis to Istanbul Airport?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from St. Louis to Istanbul Airport. It’s 22% cheaper than the average day, while Saturday is the most expensive, with prices 19% higher.

What’s the cheapest month to fly from St. Louis to Istanbul Airport?

•December is the cheapest month to fly from St. Louis to Istanbul Airport at $597 round-trip.
•June ($1,353) and May ($1,294) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 126% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Istanbul Airport the cheapest?

Flights from St. Louis to Istanbul Airport are cheapest 6 weeks before departure. Booking in this window typically costs about 43% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for St. Louis to Istanbul Airport flights

Low season

September

Cheapest flight

$817
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 27% increase in travelers.
Round-trip flight from St. Louis to Istanbul Airport

When to book flights from St. Louis to Istanbul

Are your dates flexible? Find out the best times to travel from St. Louis to Istanbul based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Istanbul Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Istanbul Airport?

    Four cabin classes are available on flights from St. Louis to Istanbul Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from St. Louis to Istanbul Airport?

    A nonstop flight from St. Louis to Istanbul Airport takes 00m, covering 5,707 miles.

  • Do I need a passport to fly from St. Louis to Istanbul Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a St. Louis to Istanbul Airport flight?

    Round-trip flights from St. Louis to Istanbul Airport range from $751 to $1,226, with an average of $1,006 over the past 12 months. Anything below $751 counts as a good deal.

  • How expensive are last-minute St. Louis to Istanbul Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 25% above the $1,006 route average. Book 6 weeks before departure for the lowest fares.

  • What car rental options are available at Istanbul Airport (IST)?

    Istanbul Airport (IST) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:

    • CIRCULAR
    • Avec Car Rental
    • Ok Mobility
    • Alamo
    • Autounion Car Rental

  • Which airports can I use when flying from St. Louis to Istanbul Airport?

    Flights from St. Louis to Istanbul Airport usually depart from Lambert-St Louis (STL) and arrive at Istanbul (IST).

  • Which airports do connecting flights from St. Louis to Istanbul Airport pass through?

    One-stop flights from St. Louis to Istanbul Airport most commonly connect through:

    • Frankfurt am Main (FRA) - 59% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 40% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 1% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Istanbul Airport?

    Yes. Flexible dates can save you up to 35% on flights from St. Louis to Istanbul Airport. Sunday is the cheapest departure day at $792 round-trip on average, while Saturday is the most expensive at $1,206, a difference of $414.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from St. Louis to Istanbul Airport?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 15h 34m, compared with 15h 48m via Frankfurt am Main (FRA) and 25h 36m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between St. Louis and Istanbul Airport?

    Istanbul Airport is 8 hours ahead of St. Louis (Turkey Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Istanbul Airport?

    Some of the most popular sights in Istanbul Airport are Taksim Square, Sultan Ahmet Camii and Ayasofya. These are among the most viewed places in Istanbul Airport on KAYAK.

Your guide to booking St. Louis to Istanbul Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $792, about $414 less than Saturday fares (34% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 43% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Istanbul Airport trip for December. Fares historically average $597 round-trip in that month - typically $756 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from St. Louis to Istanbul

Complete your trip to Istanbul with a hotel stay or car rental

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