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Cheap flights from St. Louis to Istanbul from $803

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:38 pm - 5:55 pmSTL  Lambert-St Louis-IST Istanbul
19h 17m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Multiple Airlines Logo
5:55 pm - 4:31 pmIST  Istanbul-STL Lambert-St Louis
31h 36m2 stops Amsterdam Schiphol Minneapolis St Paul
$825Multiple Airlines
Mon, Oct 26 - Mon, Nov 9
United Airlines Logo
8:50 am - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
28h 55m2 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
$827United Airlines
Tue, Feb 2 - Fri, Feb 5
United Airlines Logo
8:05 am - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
25h 05m2 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
$827United Airlines
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, Feb 1 - Fri, Feb 5
Lufthansa Logo
6:50 pm - 10:45 pmSTL  Lambert-St Louis-IST Istanbul
42h 55m2 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
$890Lufthansa
Sat, Nov 14 - Sat, Nov 21
Lufthansa Logo
6:50 pm - 6:10 pmSTL  Lambert-St Louis-IST Istanbul
38h 20m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
7:05 pm - 5:02 pmIST  Istanbul-STL Lambert-St Louis
30h 57m2 stops Frankfurt am Main Chicago O'Hare Intl
$894Lufthansa
Sat, Nov 14 - Sat, Nov 21
KLM Logo
11:21 am - 4:20 pmSTL  Lambert-St Louis-IST Istanbul
20h 59m2 stops Minneapolis St Paul Amsterdam Schiphol
KLM Logo
5:55 pm - 4:43 pmIST  Istanbul-STL Lambert-St Louis
31h 48m2 stops Amsterdam Schiphol Minneapolis St Paul
$918KLM
Wed, Sep 30 - Thu, Nov 5
British Airways Logo
9:35 pm - 12:25 amSTL  Lambert-St Louis-IST Istanbul
18h 50m1 stop London Heathrow
British Airways Logo
6:35 pm - 9:30 amIST  Istanbul-STL Lambert-St Louis
47h 55m2 stops London Heathrow Dallas/Fort Worth
$998British Airways
Wed, Sep 30 - Thu, Nov 5
KLM Logo
3:54 pm - 4:20 pmSTL  Lambert-St Louis-IST Istanbul
16h 26m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
KLM Logo
5:55 pm - 8:56 pmIST  Istanbul-STL Lambert-St Louis
35h 01m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$1,014KLM
Sat, Oct 3 - Sat, Oct 31
British Airways Logo
3:05 pm - 12:25 amSTL  Lambert-St Louis-IST Istanbul
49h 20m2 stops Boston Logan Intl London Heathrow
British Airways Logo
6:30 pm - 10:14 pmIST  Istanbul-STL Lambert-St Louis
35h 44m2 stops London Heathrow Philadelphia
$1,086British Airways
Sat, Oct 17 - Sat, Oct 24

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Lufthansa flights from St. Louis to Istanbul Airport

Our best Lufthansa deals on St. Louis to Istanbul Airport flight tickets
Lufthansa
Oct 18
STL3:30 pmLambert-St Louis
17h 30m
1 stop
IST5:00 pmIstanbul
Nov 3
IST7:05 pmIstanbul
27h 40m
1 stop
STL1:45 pmLambert-St Louis
$845
Lufthansa
Nov 14
STL6:50 pmLambert-St Louis
42h 55m
2 stops
IST10:45 pmIstanbul
Nov 21
IST7:05 pmIstanbul
27h 40m
1 stop
STL1:45 pmLambert-St Louis
$890
Lufthansa
Nov 14
STL6:50 pmLambert-St Louis
38h 20m
2 stops
IST6:10 pmIstanbul
Nov 21
IST7:05 pmIstanbul
30h 57m
2 stops
STL5:02 pmLambert-St Louis
$894

Qatar Airways flights from St. Louis to Istanbul Airport

Our best Qatar Airways deals on St. Louis to Istanbul Airport flight tickets
Qatar Airways
Sep 17
STL7:27 amLambert-St Louis
51h 08m
2 stops
IST6:35 pmIstanbul
Sep 24
IST8:05 pmIstanbul
36h 22m
2 stops
STL12:27 amLambert-St Louis
$1,048
Qatar Airways
Sep 17
STL7:27 amLambert-St Louis
51h 08m
2 stops
IST6:35 pmIstanbul
Sep 24
IST1:45 pmIstanbul
38h 59m
2 stops
STL8:44 pmLambert-St Louis
$1,050
Qatar Airways
Sep 15
STL10:14 amLambert-St Louis
41h 41m
2 stops
IST11:55 amIstanbul
Sep 21
IST8:05 pmIstanbul
26h 39m
2 stops
STL2:44 pmLambert-St Louis
$1,052

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Istanbul Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Mon 10/26

2:38 pm-5:55 pm

2 stops19h 17m

Istanbul

Mon 11/9

5:55 pm-4:31 pm

2 stops31h 36m

$825

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Tue 2/2

8:50 am-10:45 pm

2 stops28h 55m

Istanbul

Fri 2/5

6:30 am-1:45 pm

1 stop16h 15m

$827
Quickest round-trip

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Mon 2/1

8:05 am-6:10 pm

2 stops25h 05m

Istanbul

Fri 2/5

6:30 am-1:45 pm

1 stop16h 15m

$827

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Mon 2/1

4:05 pm-6:10 pm

2 stops17h 05m

Istanbul

Fri 2/5

6:30 am-3:26 pm

2 stops41h 56m

$838

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Sat 11/14

6:50 pm-10:45 pm

2 stops42h 55m

Istanbul

Sat 11/21

7:05 pm-1:45 pm

1 stop27h 40m

$890

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Sat 11/14

6:50 pm-6:10 pm

2 stops38h 20m

Istanbul

Sat 11/21

7:05 pm-5:02 pm

2 stops30h 57m

$894

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Wed 9/30

11:21 am-4:20 pm

2 stops20h 59m

Istanbul

Thu 11/5

5:55 pm-4:43 pm

2 stops31h 48m

$918

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Wed 9/30

9:35 pm-12:25 am

1 stop18h 50m

Istanbul

Thu 11/5

6:35 pm-9:30 am

2 stops47h 55m

$998

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Sat 10/3

3:54 pm-4:20 pm

2 stops16h 26m

Istanbul

Sat 10/31

5:55 pm-8:56 pm

2 stops35h 01m

$1,014

St. LouisIstanbul

STL Lambert-St Louis - IST Istanbul

STLIST

Lambert-St Louis

Sat 10/17

3:05 pm-12:25 am

2 stops49h 20m

Istanbul

Sat 10/24

6:30 pm-10:14 pm

2 stops35h 44m

$1,086

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from St. Louis to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Istanbul Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $847 to $1,061.
The lowest price recently found on this route was $825.

What is the cheapest month to fly to Istanbul Airport?

In general, December is the cheapest month to fly from St. Louis to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $597. If you don’t want to visit Istanbul Airport in December, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $671.

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

You are more likely to see cheaper flights to Istanbul Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $948 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from St. Louis for as low as $667 on momondo.

Can stopping save me money on St. Louis to Istanbul Airport flights?

You could potentially save up to 7% on your flight if you consider stops on a St. Louis to Istanbul Airport flight.

How have St. Louis to Istanbul Airport flight prices changed over time?

As of September 2026, prices for St. Louis to Istanbul Airport flights are approximately 56% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Istanbul Airport (STL to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Istanbul Airport

Best Price Found

$803

Fastest flight time

19h 17m

Direct flights

None
The best one-way flight to Istanbul Airport from St. Louis in the past 72 hours is $803. The best round-trip flight deal from St. Louis to Istanbul Airport found on momondo in the last 72 hours is $825.
The fastest flight from St. Louis to Istanbul Airport takes 19h 17m
There are no direct flights from St. Louis to Istanbul Airport. There are no popular flight routes from St. Louis to Istanbul Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Istanbul Airport

  • How far is Lambert-St Louis to Istanbul by plane?

    Lambert-St Louis and Istanbul are 5707.5 mi apart from one another. Typically, this will take 19h 17m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Istanbul Airport?

    Prices for flights from Lambert-St Louis Airport to Istanbul Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Istanbul Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Istanbul Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The travel and health documents required for your trip to Istanbul Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Istanbul Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Istanbul Airport?

Best airlines flying from St. Louis to Istanbul Airport

Compare and see reviews for airlines that fly from St. Louis to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $576Free CancellationRating
6.7
8,195 reviews
Search British Airways flights
LufthansaPriceFrom $585Free CancellationRating
6.8
8,228 reviews
Search Lufthansa flights
DeltaPriceFrom $589Free CancellationRating
7.8
8,538 reviews
Search Delta flights
KLMPriceFrom $608Free CancellationRating
7.8
1,569 reviews
Search KLM flights
United AirlinesPriceFrom $633Free CancellationRating
7.4
10,154 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $866Free CancellationRating
7.4
4,478 reviews
Search Turkish Airlines flights

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Istanbul?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Istanbul for you.

Can I find flights from St. Louis to Istanbul with flexible booking policies on momondo?

Flights from St. Louis to Istanbul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Istanbul?

Once all potential St. Louis to Istanbul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Istanbul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Istanbul, momondo offers a useful price alert feature which will track prices for flights to Istanbul from St. Louis and alert you when they change.

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