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 49% 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 October 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.

$472 Cheap Flights from St. Louis to Istanbul in 2025/26

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Find the cheapest flights from St. Louis to Istanbul

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:50 pm - 6:05 pmSTL-IST

17h 15m1 stop

6:30 am - 1:55 pmIST-STL

16h 25m1 stop

$556Lufthansa

Find Deal

Wed, Jan 14 - Wed, Jan 21

11:22 am - 6:05 pmSTL-IST

21h 43m2 stops

6:30 am - 1:55 pmIST-STL

16h 25m1 stop

$561Lufthansa

Find Deal

Wed, Jan 14 - Wed, Jan 21

3:50 pm - 6:05 pmSTL-IST

17h 15m1 stop

6:30 am - 1:55 pmIST-STL

16h 25m1 stop

$562United Airlines

Find Deal

Sun, Jan 11 - Wed, Jan 21

3:50 pm - 10:45 pmSTL-IST

21h 55m1 stop

6:30 am - 12:05 amIST-STL

26h 35m2 stops

$566Lufthansa

Find Deal

Sun, Jan 18 - Mon, Feb 16

7:10 am - 3:50 amSTL-IST

35h 40m2 stops

4:50 am - 11:39 pmIST-STL

27h 49m2 stops

$587Delta

Find Deal

Mon, Jan 12 - Thu, Jan 22

4:32 pm - 4:55 pmSTL-IST

15h 23m2 stops

4:50 am - 9:57 pmIST-STL

26h 07m2 stops

$588Delta

Find Deal

Wed, Dec 3 - Mon, Dec 15

11:50 am - 12:25 amSTL-IST

27h 35m2 stops

6:45 pm - 4:47 pmIST-STL

31h 02m2 stops

$599British Airways

Find Deal

Wed, Dec 10 - Wed, Dec 17

11:04 am - 5:25 pmSTL-IST

21h 21m2 stops

6:45 pm - 11:45 pmIST-STL

38h 00m2 stops

$603British Airways

Find Deal

Wed, Dec 3 - Wed, Dec 17

4:05 pm - 5:45 pmSTL-IST

40h 40m2 stops

6:30 am - 3:29 pmIST-STL

41h 59m2 stops

$754Air Canada

Find Deal

Mon, Jan 12 - Mon, Jan 19

5:27 pm - 7:10 amSTL-IST

28h 43m1 stop

7:35 am - 3:40 pmIST-STL

17h 05m1 stop

$803Turkish Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 16

Lufthansa flights from St. Louis to Istanbul

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

Lufthansa

Jan 14

STL3:50 pmLambert-St Louis

17h 15m

1 stop

IST6:05 pmIstanbul

Jan 21

IST6:30 amIstanbul

16h 25m

1 stop

STL1:55 pmLambert-St Louis

$556

Find similar

Lufthansa

Jan 14

STL11:22 amLambert-St Louis

21h 43m

2 stops

IST6:05 pmIstanbul

Jan 21

IST6:30 amIstanbul

16h 25m

1 stop

STL1:55 pmLambert-St Louis

$561

Find similar

Lufthansa

Jan 18

STL3:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Feb 16

IST6:30 amIstanbul

26h 35m

2 stops

STL12:05 amLambert-St Louis

$566

Find similar

United Airlines flights from St. Louis to Istanbul

Our best United Airlines deals on St. Louis to Istanbul flight tickets

United Airlines

Jan 11

STL3:50 pmLambert-St Louis

17h 15m

1 stop

IST6:05 pmIstanbul

Jan 21

IST6:30 amIstanbul

16h 25m

1 stop

STL1:55 pmLambert-St Louis

$562

Find similar

United Airlines

Jan 16

STL3:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Jan 21

IST6:30 amIstanbul

24h 30m

2 stops

STL10:00 pmLambert-St Louis

$571

Find similar

United Airlines

Jan 11

STL3:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Jan 22

IST6:30 amIstanbul

37h 22m

2 stops

STL10:52 amLambert-St Louis

$577

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/14

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Wed 1/21

6:30 am-1:55 pm

1 stop16h 25m

$556

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/14

11:22 am-6:05 pm

2 stops21h 43m

Istanbul

Wed 1/21

6:30 am-1:55 pm

1 stop16h 25m

$561

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/11

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Wed 1/21

6:30 am-1:55 pm

1 stop16h 25m

$562

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Mon 2/16

6:30 am-12:05 am

2 stops26h 35m

$566

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 1/12

7:10 am-3:50 am

2 stops35h 40m

Istanbul

Thu 1/22

4:50 am-11:39 pm

2 stops27h 49m

$587

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 12/3

4:32 pm-4:55 pm

2 stops15h 23m

Istanbul

Mon 12/15

4:50 am-9:57 pm

2 stops26h 07m

$588

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 12/10

11:50 am-12:25 am

2 stops27h 35m

Istanbul

Wed 12/17

6:45 pm-4:47 pm

2 stops31h 02m

$599

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 12/3

11:04 am-5:25 pm

2 stops21h 21m

Istanbul

Wed 12/17

6:45 pm-11:45 pm

2 stops38h 00m

$603

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 1/12

4:05 pm-5:45 pm

2 stops40h 40m

Istanbul

Mon 1/19

6:30 am-3:29 pm

2 stops41h 59m

$754

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 12/2

5:27 pm-7:10 am

1 stop28h 43m

Istanbul

Tue 12/16

7:35 am-3:40 pm

1 stop17h 05m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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, March 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 $809. If you aren’t able to travel to Istanbul during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $948.

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 $1,125 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 $815 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

Direct flights	None

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 23m.
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 October 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 7,481 reviews	Search British Airways flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,370 reviews	Search Air Canada flights
KLM	PriceFrom $647	Free Cancellation	Rating 7.7 1,406 reviews	Search KLM flights
Delta	PriceFrom $680	Free Cancellation	Rating 7.9 7,994 reviews	Search Delta flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
Lufthansa	PriceFrom $721	Free Cancellation	Rating 6.8 7,532 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $1,162	Free Cancellation	Rating 7.3 4,029 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.