What airlines fly to Istanbul?

Lufthansa, Delta and Turkish Airlines 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.

What is the cheapest airline that flies from Lambert-St Louis to Istanbul?

KLM and Qatar Airways are the most popular carriers operating from Lambert-St Louis to Istanbul

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 December 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.

$424 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:01 pm - 5:25 pmSTL-IST

20h 24m2 stops

6:40 pm - 11:18 pmIST-STL

37h 38m2 stops

$530British Airways

Find Deal

Sun, Jan 18 - Mon, Feb 16

6:44 pm - 12:25 amSTL-IST

20h 41m2 stops

8:20 am - 6:14 pmIST-STL

18h 54m2 stops

$543British Airways

Find Deal

Wed, Jan 14 - Sun, Feb 1

7:10 am - 3:50 amSTL-IST

35h 40m2 stops

4:50 am - 8:43 pmIST-STL

24h 53m2 stops

$548Delta

Find Deal

Mon, Jan 12 - Wed, Jan 28

3:45 pm - 3:50 amSTL-IST

27h 05m2 stops

4:50 am - 4:42 pmIST-STL

20h 52m2 stops

$549Delta

Find Deal

Mon, Jan 12 - Tue, Feb 3

1:18 pm - 3:50 amSTL-IST

29h 32m2 stops

4:50 am - 4:45 pmIST-STL

20h 55m2 stops

$550Delta

Find Deal

Mon, Jan 12 - Wed, Jan 28

11:22 am - 6:05 pmSTL-IST

21h 43m2 stops

6:30 am - 1:55 pmIST-STL

16h 25m1 stop

$553Lufthansa

Find Deal

Wed, Jan 14 - Wed, Jan 21

12:00 pm - 5:25 pmSTL-SAW

20h 25m2 stops

9:00 am - 11:37 pmSAW-STL

23h 37m2 stops

$596KLM

Find Deal

Tue, Jan 13 - Mon, Feb 2

12:00 pm - 5:25 pmSTL-SAW

20h 25m2 stops

9:00 am - 8:43 pmSAW-STL

20h 43m2 stops

$599KLM

Find Deal

Tue, Jan 13 - Mon, Feb 2

2:54 pm - 6:55 pmSTL-SAW

43h 01m2 stops

11:25 am - 9:15 pmSAW-STL

42h 50m2 stops

$741Iberia

Find Deal

Wed, Jan 14 - Wed, Jan 21

2:54 pm - 9:05 pmSTL-SAW

21h 11m2 stops

9:15 am - 9:03 amSAW-STL

32h 48m2 stops

$763Iberia

Find Deal

Mon, Jan 12 - Fri, Jan 30

British Airways flights from St. Louis to Istanbul

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

British Airways

Jan 18

STL12:01 pmLambert-St Louis

20h 24m

2 stops

IST5:25 pmIstanbul

Feb 16

IST6:40 pmIstanbul

37h 38m

2 stops

STL11:18 pmLambert-St Louis

$530

Find similar

British Airways

Jan 14

STL6:44 pmLambert-St Louis

20h 41m

2 stops

IST12:25 amIstanbul

Feb 1

IST8:20 amIstanbul

18h 54m

2 stops

STL6:14 pmLambert-St Louis

$543

Find similar

British Airways

Jan 14

STL6:44 pmLambert-St Louis

20h 41m

2 stops

IST12:25 amIstanbul

Feb 1

IST8:20 amIstanbul

18h 54m

2 stops

STL6:14 pmLambert-St Louis

$562

Find similar

Lufthansa flights from St. Louis to Istanbul

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

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

$553

Find similar

Lufthansa

Jan 14

STL3:50 pmLambert-St Louis

17h 15m

1 stop

IST6:05 pmIstanbul

Feb 1

IST6:30 amIstanbul

25h 28m

2 stops

STL10:58 pmLambert-St Louis

$556

Find similar

Lufthansa

Jan 15

STL12:44 pmLambert-St Louis

20h 21m

2 stops

IST6:05 pmIstanbul

Feb 2

IST6:30 amIstanbul

25h 28m

2 stops

STL10:58 pmLambert-St Louis

$648

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

12:01 pm-5:25 pm

2 stops20h 24m

Istanbul

Mon 2/16

6:40 pm-11:18 pm

2 stops37h 38m

$530

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/14

6:44 pm-12:25 am

2 stops20h 41m

Istanbul

Sun 2/1

8:20 am-6:14 pm

2 stops18h 54m

$543

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 1/12

7:10 am-3:50 am

2 stops35h 40m

Istanbul

Wed 1/28

4:50 am-8:43 pm

2 stops24h 53m

$548

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 1/12

3:45 pm-3:50 am

2 stops27h 05m

Istanbul

Tue 2/3

4:50 am-4:42 pm

2 stops20h 52m

$549

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 1/12

1:18 pm-3:50 am

2 stops29h 32m

Istanbul

Wed 1/28

4:50 am-4:45 pm

2 stops20h 55m

$550

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

$553

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 1/13

12:00 pm-5:25 pm

2 stops20h 25m

Istanbul Sabiha Gokcen

Mon 2/2

9:00 am-11:37 pm

2 stops23h 37m

$596

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 1/13

12:00 pm-5:25 pm

2 stops20h 25m

Istanbul Sabiha Gokcen

Mon 2/2

9:00 am-8:43 pm

2 stops20h 43m

$599

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Wed 1/14

2:54 pm-6:55 pm

2 stops43h 01m

Istanbul Sabiha Gokcen

Wed 1/21

11:25 am-9:15 pm

2 stops42h 50m

$741

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Mon 1/12

2:54 pm-9:05 pm

2 stops21h 11m

Istanbul Sabiha Gokcen

Fri 1/30

9:15 am-9:03 am

2 stops32h 48m

$763

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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, 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 47m
Direct flights	None

The fastest flight from St. Louis to Istanbul takes 17h 47m

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 13h 15m.
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 December 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 7,549 reviews	Search British Airways flights
KLM	PriceFrom $617	Free Cancellation	Rating 7.7 1,425 reviews	Search KLM flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,493 reviews	Search Air Canada flights
Delta	PriceFrom $680	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 9,065 reviews	Search United Airlines flights
Lufthansa	PriceFrom $718	Free Cancellation	Rating 6.8 7,602 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $1,200	Free Cancellation	Rating 7.3 4,071 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.