$471+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
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.Cheapflights Tip: The best prices from Lambert-St Louis to Istanbul are usually found in February or October, booked 32 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 June 12, 2025.
Round-trip from | $603 (Air France) |
|---|---|
One-way from | $471 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,545 |
Find flight deals from St. Louis to Istanbul
Cheapest flights from St. Louis to IstanbulExplore 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 June 12, 2025.
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 June 12, 2025.
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 6/11. 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.
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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.
This oojo deal was found by Cheapflights users on 6/11. 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.
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Istanbul Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Wed 8/6
1:29 pm-4:20 pm
2 stops18h 51m
Istanbul
Wed 9/17
4:20 am-4:00 pm
2 stops19h 40m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Tue 8/12
8:00 am-9:20 pm
2 stops29h 20m
Istanbul
Wed 8/20
2:00 pm-2:33 pm
2 stops32h 33m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Sat 10/25
5:28 pm-10:45 pm
2 stops45h 17m
Istanbul
Sat 11/1
7:00 pm-2:55 pm
1 stop27h 55m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Tue 8/12
1:30 pm-6:55 pm
2 stops21h 25m
Istanbul
Wed 8/20
9:20 pm-7:45 pm
2 stops30h 25m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Wed 7/23
2:15 pm-3:25 am
2 stops29h 10m
Istanbul
Tue 8/12
4:20 am-4:06 pm
2 stops19h 46m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Fri 8/29
7:41 pm-12:20 am
2 stops20h 39m
Istanbul
Wed 9/17
8:25 am-9:53 pm
2 stops21h 28m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Fri 7/4
6:41 am-6:20 am
2 stops39h 39m
Istanbul
Tue 7/15
8:05 pm-11:59 pm
2 stops35h 54m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Tue 8/12
8:00 am-5:45 am
1 stop13h 45m
Istanbul
Wed 8/20
6:30 am-3:44 pm
1 stop17h 14m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Sat 8/9
1:00 pm-5:45 am
2 stops32h 45m
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Wed 10/8
3:30 pm-9:20 pm
1 stop21h 50m
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Istanbul Airport
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 June 9, 2025.
The best time to book flights from St. Louis to Istanbul Airport is 31 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 $1,374). 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 June 12, 2025.
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 morning, 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 June 12, 2025.
Get a feel of what it's like to fly with Delta, Qatar Airways and United Airlines from St. Louis to Istanbul by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
Traveling to a place near St. Louis?
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Alternative routes for St. Louis to Istanbul
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from St. Louis to Istanbul
Discover the top 7 airlines that operate flights from St. Louis to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$657 | Average$1,488 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$662 | Average$851 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$674 | Average$871 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$680 | Average$1,068 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$764 | Average$1,073 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$814 | Average$1,186 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,162 | Average$1,344 | FlexibilityNo cancel fee | On-time77% |