STL - IST

$585 Find Cheap Flights from St. Louis to Istanbul Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$746
Typical prices: $797-$1,215
Lufthansa
Wed 1/31Thu 2/8
STL - IST • 1 stop
Cheapest one-way
$585
Typical prices: $697-$832
British Airways
Fri 12/28
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 44% compared to booking last minute.
Insights
Insights
When to travel
December
Cheapest • 43% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Frankfurt am Main (FRA)
Cheapest • Avg $983 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 15h 30m (one-way)
Insights
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

Sun, Jan 31 - Mon, Feb 8
Multiple Airlines Logo
3:40 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
22h 05m1 stop Frankfurt am Main
Multiple Airlines Logo
7:05 pm - 3:26 pmIST  Istanbul-STL Lambert-St Louis
53h 21m2 stops Frankfurt am Main Toronto Pearson Intl
$746Multiple Airlines
Tue, Feb 2 - Fri, Feb 5
United Airlines Logo
10:48 am - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
26h 57m2 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
$746United Airlines
Wed, Mar 10 - Mon, Mar 15
British Airways Logo
10:30 am - 12:25 amSTL  Lambert-St Louis-IST Istanbul
28h 55m2 stops Boston Logan Intl London Heathrow
British Airways Logo
6:30 pm - 11:57 pmIST  Istanbul-STL Lambert-St Louis
37h 27m2 stops London Heathrow Chicago O'Hare Intl
$758British Airways
Sun, Mar 14 - Mon, Mar 22
British Airways Logo
12:08 pm - 12:50 amSTL  Lambert-St Louis-IST Istanbul
28h 42m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
6:30 pm - 9:09 pmIST  Istanbul-STL Lambert-St Louis
34h 39m2 stops London Heathrow Philadelphia
$773British Airways
Sun, Jan 10 - Mon, Jan 25
KLM Logo
10:45 am - 4:55 pmSTL  Lambert-St Louis-IST Istanbul
21h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
KLM Logo
6:00 pm - 4:54 pmIST  Istanbul-STL Lambert-St Louis
31h 54m2 stops Amsterdam Schiphol Minneapolis St Paul
$835KLM
Tue, Jan 12 - Fri, Jan 22
Lufthansa Logo
11:00 am - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
26h 45m2 stops Newark Frankfurt am Main
Lufthansa Logo
6:30 am - 1:45 pmIST  Istanbul-STL Lambert-St Louis
16h 15m1 stop Frankfurt am Main
$837Lufthansa
Fri, Jan 22 - Mon, Jan 25
Lufthansa Logo
4:05 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
17h 05m2 stops Toronto Pearson Intl Frankfurt am Main
Lufthansa Logo
7:05 pm - 9:37 pmIST  Istanbul-STL Lambert-St Louis
35h 32m2 stops Frankfurt am Main Chicago O'Hare Intl
$845Lufthansa
Fri, Nov 27 - Thu, Dec 3
KLM Logo
12:08 pm - 4:55 pmSTL  Lambert-St Louis-IST Istanbul
19h 47m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
KLM Logo
6:00 pm - 4:24 pmIST  Istanbul-STL Lambert-St Louis
31h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$878KLM
Sat, Mar 13 - Sat, Mar 20
Turkish Airlines Logo
6:00 am - 7:10 amSTL  Lambert-St Louis-IST Istanbul
16h 10m1 stop Chicago O'Hare Intl
Turkish Airlines Logo
7:35 am - 9:13 pmIST  Istanbul-STL Lambert-St Louis
21h 38m1 stop Chicago O'Hare Intl
$1,300Turkish Airlines
Fri, Mar 12 - Sat, Mar 20
Turkish Airlines Logo
6:00 am - 7:10 amSTL  Lambert-St Louis-IST Istanbul
16h 10m1 stop Chicago O'Hare Intl
Turkish Airlines Logo
7:35 am - 9:13 pmIST  Istanbul-STL Lambert-St Louis
21h 38m1 stop Chicago O'Hare Intl
$1,300Turkish 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.

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 20% cheaper than the average day, while Saturday is the most expensive, with prices 15% 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 $574 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 135% 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 44% 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

January

Cheapest flight

$585
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 50% increase in travelers.
One-way 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 $797 to $1,215, with an average of $1,004 over the past 12 months. Anything below $797 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 27% above the $1,004 route average. Book 6 weeks before departure for the lowest fares.

  • How are flight prices from St. Louis to Istanbul Airport looking right now?

    One-way fares from St. Louis to Istanbul Airport are currently lower than usual. Average one-way flight prices are about $718, which is 7% below the typical average for this route.

  • 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) - 53% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 46% 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 31% on flights from St. Louis to Istanbul Airport. Sunday is the cheapest departure day at $807 round-trip on average, while Saturday is the most expensive at $1,164, a difference of $357.

    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 30m, compared with 15h 56m 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 Beyazit Meydani. 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 $807, about $357 less than Saturday fares (31% 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 44% 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 $574 round-trip in that month - typically $779 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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