HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$532+ Cheap flights from St. Louis (STL) to Istanbul (IST)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IST
Dec 8 — Dec 151
Sun 12/8
Sun 12/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Istanbul with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Lambert-St Louis to Istanbul are usually found in February or November, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 3, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$624
(Delta)

One-way from

$532
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Istanbul flights.
Search Deals
High demand for flights, 18% potential price rise
Search Deals
Best time to find cheap flights, 19% potential price drop
Search Deals
From Lambert-St Louis to Istanbul
Search Deals
One-way flight from Lambert-St Louis to Istanbul
Search Deals

Find flight deals from St. Louis to Istanbul

Cheapest flights from St. Louis to Istanbul
Explore the most affordable flight options available from St. Louis to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2024.

This Gurufare deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/63:45 pmSTL - IST
1 stop17h 20mLufthansa
Sun 12/86:30 amIST - STL
1 stop16h 25mLufthansa
Deal found 12/2$996
This Delta deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amSTL - IST
2 stops25h 55mDelta
Fri 12/135:55 pmIST - STL
2 stops34h 18mDelta
Deal found 12/3$1,027
This United deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:28 pmSTL - IST
2 stops20h 17mMultiple Airlines
Sun 12/86:30 amIST - STL
1 stop16h 25mMultiple Airlines
Deal found 12/2$1,038
This oojo deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:43 amSTL - IST
2 stops39h 37mQatar Airways
Sat 12/78:10 pmIST - STL
2 stops35h 03mQatar Airways
Deal found 12/2$1,219
This Justfly.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/233:50 pmSTL - IST
2 stops45h 55mAir Canada
Mon 12/308:55 amIST - STL
2 stops39h 11mAir Canada
Deal found 12/2$1,364
This KAYAK deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:30 pmSTL - IST
1 stop28h 40mTurkish Airlines
Mon 12/307:35 amIST - STL
1 stop17h 12mTurkish Airlines
Deal found 12/2$2,212
This oojo deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:15 amSTL - IST
2 stops51h 15mEmirates
Thu 12/121:50 amIST - STL
2 stops28h 01mEmirates
Deal found 12/3$2,775

Find flights from St. Louis to Istanbul within your budget

Customize your flight search to find flights from St. Louis to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,700,776 searches. Data last updated December 3, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/26

12:52 pm-4:10 am

2 stops30h 18m

Istanbul

Tue 2/18

5:10 am-6:02 pm

2 stops21h 52m

$624

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 1/13

3:10 pm-5:30 pm

2 stops17h 20m

Istanbul

Mon 1/20

6:25 pm-7:30 pm

2 stops34h 05m

$649

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/22

3:45 pm-6:05 pm

1 stop17h 20m

Istanbul

Wed 1/29

6:50 am-1:55 pm

1 stop16h 05m

$777

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/26

3:45 pm-10:45 pm

1 stop22h 00m

Istanbul

Tue 2/18

6:50 am-3:06 pm

2 stops41h 16m

$782

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/30

3:30 pm-1:05 pm

1 stop13h 35m

Istanbul

Tue 4/8

2:00 pm-1:30 pm

1 stop31h 30m

$806

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/30

3:50 pm-5:00 pm

2 stops17h 10m

Istanbul

Sat 4/5

8:20 pm-3:06 pm

2 stops26h 46m

$959

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 1/27

5:30 pm-4:10 pm

1 stop13h 40m

Istanbul

Sat 2/22

7:35 am-3:40 pm

1 stop17h 05m

$1,281

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sat 5/31

11:27 am-6:35 pm

2 stops47h 08m

Istanbul

Wed 6/18

8:05 pm-11:17 pm

2 stops35h 12m

$1,329

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/30

1:40 pm-4:05 pm

2 stops18h 25m

Istanbul

Fri 4/4

4:20 am-7:55 pm

2 stops23h 35m

$1,508

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/26

6:15 am-2:25 pm

2 stops47h 10m

Istanbul

Mon 2/17

1:50 am-10:00 pm

2 stops29h 10m

$1,955

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 12 results
1
2

Compare providers for flights from St. Louis to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Istanbul in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
KAYAKPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
SmartFaresPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Istanbul Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Istanbul

Get recent, data-driven insights about flights from St. Louis to Istanbul including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Istanbul. Price data was last updated on November 22, 2024.

The best time to book flights from St. Louis to Istanbul Airport is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Istanbul Airport?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Istanbul Airport (average of $923). Flying from St. Louis to Istanbul Airport in June is currently the most expensive (average of $1,423). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to IST?

Find hourly flight availability from St. Louis to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2024.

It’s typically best to fly out from St. Louis to Istanbul Airport at noon. Doing so could potentially save you 6% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Istanbul by month

Plan your trip to Istanbul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Istanbul Airport ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul Airport when rainfall is around 0.4 in.

Temperature in Istanbul by month

Plan your trip to Istanbul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Istanbul Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated December 3, 2024.
Emirates
8.1
Very good
3,462 reviews

Food

7.9

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates
8.1
Very good
3,462 reviews
Emirates
8.1
Very good
3,462 reviews

Food

7.9

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Delta
8.0
Very good
8,694 reviews
Emirates
8.1
Very good
3,462 reviews

Food

7.9

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

United Airlines
7.4
Good
9,140 reviews
Emirates
8.1
Very good
3,462 reviews

Food

7.9

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Turkish Airlines
7.4
Good
3,920 reviews
Emirates
8.1
Very good
3,462 reviews

Food

7.9

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Air Canada
7.0
Good
8,298 reviews
Emirates
8.1
Very good
3,462 reviews

Food

7.9

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Istanbul?

    If you book a flight to Istanbul from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Istanbul per day from 7 different airlines.

  • What are the cheapest airlines flying from St. Louis to Istanbul Airport round-trip?

    Currently priced at $624, Delta will fly you from St. Louis to Istanbul Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Lufthansa - these airlines can fly you to your destination from $649 and $777, respectively. You may be able to fly from St. Louis to Istanbul Airport for 42% less than the average price by searching for these airlines.

  • Can I find deals for flights from St. Louis to Istanbul that include hotel bookings?

    Yes. In addition to deals on St. Louis to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Istanbul.

  • Can I find deals for business class flights from St. Louis to Istanbul?

    Yes. Cheapflights offers flight deals from St. Louis to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Istanbul Airport?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Istanbul Airport (average of $923). Flying from St. Louis to Istanbul Airport in June is currently the most expensive (average of $1,423). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Istanbul flights
Kansas City to Sabiha Gokcen flights
St. Louis to Sabiha Gokcen flights
Springfield to Istanbul flights