What airlines fly to Istanbul?

Lufthansa, Turkish Airlines and Delta are the top three most popular airlines that fly to Istanbul from St. Louis according to our data. Lufthansa is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Istanbul. Keep in mind that there are 7 different airlines that fly to Istanbul on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Lambert-St Louis Airport to Istanbul were last updated today.

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

The number of operators available for flights from Lambert-St Louis Airport to Istanbul is 7 as of November 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Istanbul.

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

The travel and health documents you'll need for your trip to Istanbul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Istanbul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$542 Cheap Flights from St. Louis to Istanbul in 2025/26

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Find the cheapest flights from St. Louis to Istanbul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:50 pm - 10:45 pmSTL-IST

21h 55m1 stop

6:30 am - 3:29 pmIST-STL

41h 59m2 stops

$557Multiple Airlines

Find Deal

Fri, Jan 16 - Wed, Feb 4

3:50 pm - 6:05 pmSTL-IST

17h 15m1 stop

6:30 am - 3:29 pmIST-STL

41h 59m2 stops

$561Multiple Airlines

Find Deal

Fri, Jan 30 - Tue, Feb 3

11:22 am - 6:05 pmSTL-IST

21h 43m2 stops

6:30 am - 11:59 pmIST-STL

26h 29m2 stops

$562Lufthansa

Find Deal

Wed, Jan 14 - Sun, Feb 1

3:50 pm - 6:05 pmSTL-IST

17h 15m1 stop

6:30 am - 11:59 pmIST-STL

26h 29m2 stops

$563Lufthansa

Find Deal

Fri, Jan 9 - Fri, Jan 16

11:05 am - 5:25 pmSTL-IST

21h 20m2 stops

3:15 pm - 11:21 pmIST-STL

41h 06m2 stops

$564British Airways

Find Deal

Sun, Jan 18 - Mon, Feb 16

3:50 pm - 6:05 pmSTL-IST

17h 15m1 stop

6:30 am - 10:59 pmIST-STL

25h 29m2 stops

$568United Airlines

Find Deal

Sun, Jan 18 - Mon, Feb 16

11:20 am - 6:05 pmSTL-IST

21h 45m2 stops

6:30 am - 8:58 pmIST-STL

23h 28m2 stops

$572United Airlines

Find Deal

Fri, Jan 30 - Tue, Feb 3

2:54 pm - 5:25 pmSTL-IST

17h 31m2 stops

8:10 am - 10:44 pmIST-STL

23h 34m2 stops

$575British Airways

Find Deal

Fri, Jan 9 - Fri, Jan 16

12:00 pm - 3:50 amSTL-IST

30h 50m2 stops

4:50 am - 4:37 pmIST-STL

20h 47m2 stops

$586Delta

Find Deal

Fri, Jan 16 - Tue, Feb 3

6:29 am - 3:50 amSTL-IST

36h 21m2 stops

4:50 am - 11:39 pmIST-STL

27h 49m2 stops

$592Delta

Find Deal

Tue, Dec 30 - Tue, Jan 13

British Airways flights from St. Louis to Istanbul

Our best British Airways deals on St. Louis to Istanbul flight tickets

British Airways

Jan 18

STL11:05 amLambert-St Louis

21h 20m

2 stops

IST5:25 pmIstanbul

Feb 16

IST3:15 pmIstanbul

41h 06m

2 stops

STL11:21 pmLambert-St Louis

$564

Find similar

British Airways

Jan 9

STL2:54 pmLambert-St Louis

17h 31m

2 stops

IST5:25 pmIstanbul

Jan 16

IST8:10 amIstanbul

23h 34m

2 stops

STL10:44 pmLambert-St Louis

$575

Find similar

British Airways

Dec 31

STL2:06 pmLambert-St Louis

25h 19m

2 stops

IST12:25 amIstanbul

Jan 15

IST7:35 amIstanbul

24h 20m

2 stops

STL10:55 pmLambert-St Louis

$601

Find similar

Delta flights from St. Louis to Istanbul

Our best Delta deals on St. Louis to Istanbul flight tickets

Delta

Feb 11

STL5:04 pmLambert-St Louis

25h 46m

2 stops

IST3:50 amIstanbul

Feb 16

IST4:50 amIstanbul

27h 33m

2 stops

STL11:23 pmLambert-St Louis

$586

Find similar

Delta

Dec 30

STL6:29 amLambert-St Louis

36h 21m

2 stops

IST3:50 amIstanbul

Jan 13

IST4:50 amIstanbul

27h 49m

2 stops

STL11:39 pmLambert-St Louis

$592

Find similar

Delta

Dec 30

STL6:29 amLambert-St Louis

36h 21m

2 stops

IST3:50 amIstanbul

Jan 14

IST5:55 pmIstanbul

38h 44m

2 stops

STL11:39 pmLambert-St Louis

$593

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/16

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Wed 2/4

6:30 am-3:29 pm

2 stops41h 59m

$557

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/30

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Tue 2/3

6:30 am-3:29 pm

2 stops41h 59m

$561

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/14

11:22 am-6:05 pm

2 stops21h 43m

Istanbul

Sun 2/1

6:30 am-11:59 pm

2 stops26h 29m

$562

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/9

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Fri 1/16

6:30 am-11:59 pm

2 stops26h 29m

$563

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

11:05 am-5:25 pm

2 stops21h 20m

Istanbul

Mon 2/16

3:15 pm-11:21 pm

2 stops41h 06m

$564

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Mon 2/16

6:30 am-10:59 pm

2 stops25h 29m

$568

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/30

11:20 am-6:05 pm

2 stops21h 45m

Istanbul

Tue 2/3

6:30 am-8:58 pm

2 stops23h 28m

$572

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/9

2:54 pm-5:25 pm

2 stops17h 31m

Istanbul

Fri 1/16

8:10 am-10:44 pm

2 stops23h 34m

$575

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/16

12:00 pm-3:50 am

2 stops30h 50m

Istanbul

Tue 2/3

4:50 am-4:37 pm

2 stops20h 47m

$586

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 12/30

6:29 am-3:50 am

2 stops36h 21m

Istanbul

Tue 1/13

4:50 am-11:39 pm

2 stops27h 49m

$592

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Istanbul?

In general, December is the cheapest month to fly from St. Louis to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $617. If you aren’t able to travel to Istanbul during the month of December, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $803.

What is the cheapest day to depart on your flight to Istanbul?

The cheapest day to depart from St. Louis to Istanbul is on a Wednesday when prices can be found for as low as $1,050. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Monday is $1,257.

What is the cheapest time of day to depart on your flight to Istanbul?

Our most recent data shows that the best time of day to fly to Istanbul is at noon. Flights from St. Louis to Istanbul during this time can be as low as $1,116. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,190 on average. Flights to Istanbul from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Istanbul?

You are more likely to see cheaper flights to Istanbul from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $1,035 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from St. Louis for as low as $701 on momondo.

Cheap St. Louis to Istanbul flight deals and tips

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

Fastest flight time	17h 15m
Direct flights	None

The fastest flight from St. Louis to Istanbul takes 17h 15m

There are no direct flights from St. Louis to Istanbul. There are no popular flight routes from St. Louis to Istanbul.

Search flight deals

How far is Lambert-St Louis to Istanbul by plane?
There are 5728.1 mi between Lambert-St Louis and Istanbul. In terms of flight time, this usually takes a little over 15h 57m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Istanbul?
Prices for flights from Lambert-St Louis Airport to Istanbul were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Istanbul?
The number of operators available for flights from Lambert-St Louis Airport to Istanbul is 7 as of November 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Istanbul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Istanbul.
What documentation or ID do you need to fly to Istanbul?
The travel and health documents you'll need for your trip to Istanbul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Istanbul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Istanbul

Compare and see reviews for airlines that fly from St. Louis to Istanbul with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $576	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,476 reviews	Search Air Canada flights
KLM	PriceFrom $647	Free Cancellation	Rating 7.7 1,422 reviews	Search KLM flights
Delta	PriceFrom $680	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
Lufthansa	PriceFrom $752	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $1,162	Free Cancellation	Rating 7.3 4,059 reviews	Search Turkish Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Istanbul. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for St. Louis to Istanbul flights to just show those with flexible booking policies.

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?

Price alerts on flights to Istanbul from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.