STL - IST

$615 Find Cheap Flights from St. Louis to Istanbul Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$755
Typical prices: $833-$1,252
United Airlines
Fri 2/2Mon 2/5
STL - IST • 2 stops
Cheapest one-way
$615
Typical prices: $700-$832
Multiple Airlines
Wed 11/21
STL - IST • 3 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
8 weeks
in advance
Our data shows that travelers who book at least 8 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 34% price drop
April
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
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Istanbul Airport!
Flight Deals
Booking Insights
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, 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
$755United 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
$756United Airlines
Wed, Mar 3 - Wed, Mar 10
Lufthansa Logo
3:40 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
22h 05m1 stop Frankfurt am Main
Lufthansa Logo
7:05 pm - 9:13 pmIST  Istanbul-STL Lambert-St Louis
35h 08m2 stops Frankfurt am Main Chicago O'Hare Intl
$758Lufthansa
Mon, Mar 1 - Thu, Mar 4
United Airlines Logo
5:00 am - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
28h 10m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
6:30 am - 3:26 pmIST  Istanbul-STL Lambert-St Louis
17h 56m2 stops Frankfurt am Main Toronto Pearson Intl
$763United Airlines
Wed, Mar 24 - Sun, Mar 28
Lufthansa Logo
4:40 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
22h 05m1 stop Frankfurt am Main
Lufthansa Logo
5:55 pm - 10:54 pmIST  Istanbul-STL Lambert-St Louis
36h 59m2 stops Frankfurt am Main Chicago O'Hare Intl
$807Lufthansa
Wed, Mar 24 - Sun, Mar 28
Lufthansa Logo
4:40 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
22h 05m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 1:25 pmIST  Istanbul-STL Lambert-St Louis
15h 25m1 stop Frankfurt am Main
$823Lufthansa
Sat, Dec 5 - Sat, Dec 12
British Airways Logo
1:15 pm - 2:20 pmSTL  Lambert-St Louis-IST Istanbul
40h 05m2 stops Boston Logan Intl London Heathrow
British Airways Logo
6:35 pm - 6:49 pmIST  Istanbul-STL Lambert-St Louis
33h 14m2 stops London Heathrow Chicago O'Hare Intl
$899British Airways
Sun, Nov 22 - Fri, Nov 27
British Airways Logo
9:56 am - 1:50 pmSTL  Lambert-St Louis-IST Istanbul
42h 54m2 stops Boston Logan Intl London Heathrow
British Airways Logo
8:25 am - 8:33 pmIST  Istanbul-STL Lambert-St Louis
21h 08m2 stops London Heathrow Philadelphia
$1,272British Airways
Tue, Dec 22 - Tue, Jan 5
Delta Logo
10:45 am - 4:55 pmSTL  Lambert-St Louis-IST Istanbul
21h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
6:00 pm - 4:34 pmIST  Istanbul-STL Lambert-St Louis
31h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$1,410Delta
Tue, Dec 22 - Tue, Jan 5
Delta Logo
10:45 am - 4:55 pmSTL  Lambert-St Louis-IST Istanbul
21h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
6:00 pm - 4:34 pmIST  Istanbul-STL Lambert-St Louis
31h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$1,441Delta
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 $833 to $1,252. The lowest price found in the past 5 days was $755, on United Airlines.

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 21% 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?

•January is the cheapest month to fly from St. Louis to Istanbul Airport at $671 round-trip.
•June ($1,391) and May ($1,284) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 107% 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 8 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for St. Louis to Istanbul Airport flights

Low season

January

Cheapest flight

$615
Beat the crowds with an average 69% drop in travelers.
The most popular month to fly with an average 46% 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 $833 to $1,252, with an average of $1,015 over the past 12 months. Anything below $833 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 26% above the $1,015 route average. Book 8 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 in line with typical prices for this route. Average one-way fares are about $746.

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

    Istanbul Airport (IST) hosts 5 major car rental companies, with daily rates averaging $41 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 32% on flights from St. Louis to Istanbul Airport. Sunday is the cheapest departure day at $802 round-trip on average, while Saturday is the most expensive at $1,175, a difference of $373.

    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 9 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 $802, about $373 less than Saturday fares (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 41% 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 January. Fares historically average $671 round-trip in that month - typically $720 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

Car rentals in Istanbul
Hotels in Istanbul
Vacations in Istanbul