United States
USD

STL - IST

$649 Find Cheap Flights from St. Louis to Istanbul Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% 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
$815
Typical prices: $797-$1,215
British Airways
Sat 2/3Sat 2/10
STL - IST • 2 stops
Cheapest one-way
$649
Typical prices: $697-$832
Qatar Airways
Wed 10/24
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
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

Wed, Feb 3 - Wed, Feb 10
British Airways Logo
11:50 am - 5:30 pmSTL  Lambert-St Louis-IST Istanbul
20h 40m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
7:40 am - 8:33 pmIST  Istanbul-STL Lambert-St Louis
21h 53m2 stops London Heathrow Chicago O'Hare Intl
$815British Airways
Mon, Nov 2 - Fri, Nov 13
Air France Logo
2:25 pm - 5:55 pmSTL  Lambert-St Louis-IST Istanbul
18h 30m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Air France Logo
7:15 am - 5:14 pmIST  Istanbul-STL Lambert-St Louis
18h 59m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
$816Air France
Tue, Nov 17 - Tue, Nov 24
Air France Logo
6:00 pm - 5:55 pmSTL  Lambert-St Louis-IST Istanbul
14h 55m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Air France Logo
7:15 am - 4:31 pmIST  Istanbul-STL Lambert-St Louis
18h 16m2 stops Paris Charles de Gaulle Minneapolis St Paul
$816Air France
Sun, Jan 17 - Wed, Jan 20
British Airways Logo
1:45 pm - 12:50 amSTL  Lambert-St Louis-IST Istanbul
26h 05m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
3:00 pm - 8:31 pmIST  Istanbul-STL Lambert-St Louis
38h 31m2 stops London Heathrow Philadelphia
$834British Airways
Tue, Feb 16 - Tue, Feb 23
Lufthansa Logo
1:08 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
24h 37m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
7:05 pm - 1:45 pmIST  Istanbul-STL Lambert-St Louis
27h 40m1 stop Frankfurt am Main
$836Lufthansa
Sun, Jan 17 - Wed, Jan 20
Lufthansa Logo
3:40 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
17h 30m1 stop Frankfurt am Main
Lufthansa Logo
7:05 pm - 9:49 pmIST  Istanbul-STL Lambert-St Louis
35h 44m2 stops Frankfurt am Main Newark
$842Lufthansa
Mon, Dec 7 - Wed, Dec 23
Delta Logo
2:17 pm - 5:55 pmSTL  Lambert-St Louis-IST Istanbul
18h 38m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
6:00 pm - 10:04 pmIST  Istanbul-STL Lambert-St Louis
37h 04m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$1,056Delta
Sun, Dec 6 - Wed, Dec 23
Delta Logo
7:08 am - 5:55 pmSTL  Lambert-St Louis-IST Istanbul
25h 47m2 stops Salt Lake City Paris Charles de Gaulle
Delta Logo
6:00 pm - 9:41 pmIST  Istanbul-STL Lambert-St Louis
36h 41m2 stops Amsterdam Schiphol Minneapolis St Paul
$1,056Delta
Sat, Oct 24 - Sat, Oct 31
Turkish Airlines Logo
8:00 am - 4:05 pmSTL  Lambert-St Louis-IST Istanbul
24h 05m1 stop Chicago O'Hare Intl
Turkish Airlines Logo
7:35 am - 3:43 pmIST  Istanbul-STL Lambert-St Louis
16h 08m1 stop Chicago O'Hare Intl
$1,206Turkish Airlines
Mon, Oct 26 - Fri, Oct 30
Turkish Airlines Logo
7:30 am - 7:10 amSTL  Lambert-St Louis-IST Istanbul
15h 40m1 stop Chicago O'Hare Intl
Turkish Airlines Logo
7:35 am - 3:43 pmIST  Istanbul-STL Lambert-St Louis
16h 08m1 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 $797 to $1,215. The lowest price found in the past 5 days was $815, on British Airways.

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.

Find deals

Key details for St. Louis to Istanbul Airport flights

Low season

January

Cheapest flight

$649
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 28% 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 higher than usual. Average one-way flight prices are about $1,982, which is 157% above 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 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 $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

Car rentals in Istanbul
Hotels in Istanbul
Vacations in Istanbul