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Find cheap flights from St. Louis to Istanbul from $428

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Istanbul departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 5/27
Mon 6/3

Search hundreds of travel sites at once for deals on flights to Istanbul

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Istanbul, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Istanbul, as well as popular online travel agencies
In the last 7 days travelers have searched 43,623,357 times on KAYAK, and here is why:

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Istanbul that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
1:07 pm - 7:05 pmSTL-IST
21h 58m2 stops
8:30 am - 8:11 pmIST-STL
19h 41m2 stops
$958British Airways
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Fri, Jul 26 - Sat, Sep 7
1:06 pm - 3:05 pmSTL-SAW
17h 59m2 stops
4:15 pm - 10:24 pmSAW-STL
38h 09m2 stops
$981British Airways
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Fri, Sep 6 - Sat, Sep 14
7:30 am - 12:10 pmSTL-SAW
44h 40m2 stops
8:05 pm - 11:41 pmSAW-STL
35h 36m2 stops
$1,038Qatar Airways
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Wed, Oct 2 - Sun, Oct 13
6:30 am - 4:30 pmSTL-IST
26h 00m2 stops
6:45 am - 9:34 pmIST-STL
22h 49m2 stops
$1,066Delta
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Mon, May 6 - Thu, May 16
7:30 am - 6:35 pmSTL-SAW
51h 05m2 stops
8:05 pm - 9:08 amSAW-STL
45h 03m2 stops
$1,101Qatar Airways
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Wed, Oct 2 - Sun, Oct 13
11:10 am - 9:20 pmSTL-IST
26h 10m2 stops
6:10 am - 1:30 pmIST-STL
15h 20m1 stop
$1,130
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Wed, May 8 - Wed, May 15
5:25 pm - 9:20 pmSTL-IST
19h 55m2 stops
5:55 pm - 1:30 pmIST-STL
27h 35m1 stop
$1,136Lufthansa
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Mon, May 6 - Thu, May 16
3:25 pm - 5:00 pmSTL-IST
17h 35m1 stop
6:10 am - 1:30 pmIST-STL
15h 20m1 stop
$1,151Lufthansa
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Wed, May 8 - Wed, May 15
2:10 pm - 4:30 pmSTL-IST
18h 20m2 stops
5:00 pm - 4:49 pmIST-STL
31h 49m2 stops
$1,163Delta
Find Deal
Tue, Jul 16 - Tue, Aug 6
4:05 pm - 8:45 pmSTL-IST
20h 40m2 stops
1:40 am - 9:05 pmIST-STL
27h 25m2 stops
$1,185
Find Deal
Thu, Jun 6 - Tue, Aug 27

Flights from St. Louis to Istanbul - Travel Insights & Trends

Get data-powered insights and trends into flights from St. Louis to Istanbul to help you find the cheapest flights, the best time to fly and much more.

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

The average price of all flights from St. Louis to Istanbul clicked on KAYAK for each day over the last 12 months.
When flying from St. Louis to Istanbul, you should consider leaving on a Tuesday and avoid Mondays if you are looking for the best rates. For your return to St. Louis, you’ll find the best rates on Mondays and the most expensive ones on Tuesdays.

What is the cheapest month to fly from St. Louis to Istanbul?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from St. Louis to Istanbul, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from St. Louis to Istanbul is January, where tickets cost $759 on average. On the other hand, the most expensive months are June and August, where the average cost of tickets is $1,580 and $1,234 respectively.

How far in advance should I book a flight from St. Louis to Istanbul?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from St. Louis to Istanbul, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from St. Louis to Istanbul, you should book around 3 days before departure. For the absolute cheapest price, our data suggests you should book 69 days before departure.

Which airlines provide the cheapest flights from St. Louis to Istanbul?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Qatar Airways ($866) and British Airways ($905). The cheapest round-trip tickets were found on British Airways ($958) and Qatar Airways ($1,038).

Good to know

Cheapest flight

$428
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Istanbul

  • What is the cheapest flight from St. Louis to Istanbul?

    In the last 3 days, the lowest price for a flight from St. Louis to Istanbul was $428 for a one-way ticket and $958 for a round-trip.

  • Do I need a passport to fly between St. Louis and Istanbul?

    Yes, you'll most likely have to show a valid passport before boarding the plane in St. Louis and on arrival in Istanbul.

  • Which airports will I be using when flying from St. Louis to Istanbul?

    St. Louis is served by only 1 airport and there are 2 airports in Istanbul. You will leave St. Louis from Lambert-St Louis and you will be arriving in Istanbul at one of these airports: Istanbul or Istanbul Sabiha Gokcen.

  • Which aircraft models fly most regularly from St. Louis to Istanbul?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Istanbul?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between St. Louis and Istanbul, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from St. Louis to Istanbul?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Istanbul.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Istanbul?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Istanbul from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Istanbul?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Istanbul with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Istanbul?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Istanbul from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from St. Louis to Istanbul

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Istanbul found on KAYAK in the last 72 hours.
7/1Mon
2 stops
46h 45mSTL-IST
$428
7/2Tue
2 stops
32h 08mSTL-IST
$504
7/2Tue
3 stops
28h 18mSTL-IST
$570
7/2Tue
3 stops
27h 23mSTL-SAW
$571
6/6Thu
2 stopsQatar Airways
38h 55mSTL-SAW
$866
7/2Tue
2 stopsBritish Airways
18h 24mSTL-SAW
$905
7/1Mon
2 stopsBritish Airways
21h 51mSTL-SAW
$919
6/6Thu
2 stopsQatar Airways
47h 30mSTL-IST
$940
6/6Thu
2 stopsAir France
18h 12mSTL-IST
$949
6/27Thu
2 stopsAir Canada
25h 20mSTL-IST
$1,033

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St. Louis - Istanbul Flights

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St. Louis (STL)United States

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