STL - IST

$336 Find Cheap Flights from St. Louis to Istanbul Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$826
Typical prices: $751-$1,226
United Airlines
Thu 2/1Mon 2/5
STL - IST • 2 stops
Cheapest one-way
$336
Typical prices: $685-$825
Multiple Airlines
Wed 10/10
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, 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
$826United Airlines
Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
3:03 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
18h 07m2 stops Houston George Bush Intcntl Frankfurt am Main
United Airlines Logo
6:30 am - 1:45 pmIST  Istanbul-STL Lambert-St Louis
16h 15m1 stop Frankfurt am Main
$826United Airlines
Tue, Feb 2 - Fri, Feb 5
Air Canada Logo
4:05 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
41h 05m2 stops Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:30 am - 3:26 pmIST  Istanbul-STL Lambert-St Louis
41h 56m2 stops Frankfurt am Main Toronto Pearson Intl
$837Air Canada
Mon, Feb 1 - Fri, Feb 5
Air Canada Logo
4:05 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
17h 05m2 stops Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:30 am - 3:26 pmIST  Istanbul-STL Lambert-St Louis
41h 56m2 stops Frankfurt am Main Toronto Pearson Intl
$838Air Canada
Mon, Nov 9 - Mon, Nov 16
British Airways Logo
1:20 pm - 12:05 amSTL  Lambert-St Louis-IST Istanbul
25h 45m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:30 pm - 6:17 pmIST  Istanbul-STL Lambert-St Louis
32h 47m2 stops London Heathrow Chicago O'Hare Intl
$841British Airways
Tue, Nov 10 - Mon, Nov 16
British Airways Logo
11:35 am - 1:00 amSTL  Lambert-St Louis-IST Istanbul
28h 25m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:30 pm - 6:17 pmIST  Istanbul-STL Lambert-St Louis
32h 47m2 stops London Heathrow Chicago O'Hare Intl
$841British Airways
Sun, Nov 8 - Wed, Nov 18
Lufthansa Logo
3:40 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
17h 30m1 stop Frankfurt am Main
Lufthansa Logo
7:05 pm - 9:40 pmIST  Istanbul-STL Lambert-St Louis
35h 35m2 stops Frankfurt am Main Chicago O'Hare Intl
$866Lufthansa
Wed, Nov 11 - Wed, Nov 18
Lufthansa Logo
3:40 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
17h 30m1 stop Frankfurt am Main
Lufthansa Logo
7:05 pm - 9:52 pmIST  Istanbul-STL Lambert-St Louis
35h 47m2 stops Frankfurt am Main Newark
$866Lufthansa
Mon, Sep 28 - Tue, Dec 1
KLM Logo
12:00 pm - 4:20 pmSTL  Lambert-St Louis-IST Istanbul
20h 20m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
KLM Logo
5:55 pm - 4:30 pmIST  Istanbul-STL Lambert-St Louis
31h 35m2 stops Amsterdam Schiphol Minneapolis St Paul
$1,014KLM
Wed, Sep 30 - Thu, Nov 5
KLM Logo
1:55 pm - 4:20 pmSTL  Lambert-St Louis-IST Istanbul
18h 25m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
KLM Logo
6:00 pm - 3:37 pmIST  Istanbul-STL Lambert-St Louis
30h 37m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,014KLM
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 from St. Louis to Istanbul Airport 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 start at $826. Prices are typical for this route right now, with typical round-trip fares ranging from $751 to $1,226. The lowest price found in the past 5 days was $826 on United Airlines.

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

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

What is 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 prices 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

$336
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 34% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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

    Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.

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

    On the St. Louis to Istanbul Airport route, being flexible with your departure day can save you up to 35%. Sunday is the cheapest day at $792 round-trip on average, while Saturday is the most expensive at $1,206: a $414 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Istanbul Airport?

    Some of the most popular sights in Istanbul Airport are Taksim Square, Taksim and Istanbul City Centre. These are among the most viewed places in Istanbul Airport on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 25% above the route average of $1,006. Book 6 weeks before departure for the lowest fares.

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

    A nonstop flight from St. Louis to Istanbul Airport takes 0h 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 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 $456, which is 41% below the typical average for this route.

  • 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 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

  • 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.

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 can be flexible, aim for a Sunday departure instead of Saturday. On this route, Sunday flights average $792 - about $414 less than Saturday (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

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