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 53% 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 January 2026.

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.

$557 Cheap Flights from St. Louis to Istanbul in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Istanbul?

Prices are currently low for flights on this route. Typical prices usually range from $644 to $1,582. The lowest price recently found on this route was $557.

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Find the cheapest flights from St. Louis to Istanbul

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:29 pm - 6:50 pm

STL

IST

21h 21m2 stops

3:35 pm - 7:30 pm

IST

STL

35h 55m1 stop

$557British Airways

Mon, Apr 13 - Mon, Apr 20

12:11 pm - 5:30 pm

STL

IST

20h 19m2 stops

6:40 pm - 11:22 pm

IST

STL

37h 42m2 stops

$559British Airways

Thu, Feb 5 - Mon, Feb 16

2:54 pm - 5:30 pm

STL

IST

17h 36m2 stops

7:35 am - 6:14 pm

IST

STL

19h 39m2 stops

$560British Airways

Thu, Jan 29 - Thu, Feb 5

3:30 pm - 9:35 pm

STL

IST

22h 05m1 stop

5:40 am - 1:25 pm

IST

STL

15h 45m1 stop

$563United Airlines

Sun, Apr 5 - Wed, Apr 22

9:10 am - 1:00 pm

STL

IST

19h 50m2 stops

5:40 am - 1:25 pm

IST

STL

15h 45m1 stop

$564United Airlines

Sun, Apr 5 - Wed, Apr 22

9:10 am - 1:00 pm

STL

IST

19h 50m2 stops

5:40 am - 9:08 pm

IST

STL

23h 28m2 stops

$569United Airlines

Sun, Apr 5 - Tue, Apr 21

2:00 pm - 5:25 pm

STL

IST

18h 25m2 stops

8:20 am - 11:28 pm

IST

STL

24h 08m2 stops

$576Multiple Airlines

Sun, Feb 15 - Sun, Feb 22

4:50 pm - 10:45 pm

STL

IST

21h 55m1 stop

5:40 am - 1:25 pm

IST

STL

15h 45m1 stop

$577Lufthansa

Wed, Mar 18 - Wed, Apr 15

6:59 pm - 9:20 pm

STL

SAW

18h 21m2 stops

8:50 am - 8:38 pm

SAW

STL

19h 48m2 stops

$691KLM

Tue, Mar 17 - Wed, Apr 15

3:31 pm - 9:20 pm

STL

SAW

20h 49m2 stops

9:00 am - 8:43 pm

SAW

STL

20h 43m2 stops

$735KLM

Tue, Jan 20 - Tue, Jan 27

United Airlines flights from St. Louis to Istanbul

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

United Airlines

Apr 5

STL3:30 pmLambert-St Louis

22h 05m

1 stop

IST9:35 pmIstanbul

Apr 22

IST5:40 amIstanbul

15h 45m

1 stop

STL1:25 pmLambert-St Louis

$563

Find similar

United Airlines

Apr 5

STL9:10 amLambert-St Louis

19h 50m

2 stops

IST1:00 pmIstanbul

Apr 22

IST5:40 amIstanbul

15h 45m

1 stop

STL1:25 pmLambert-St Louis

$564

Find similar

United Airlines

Apr 5

STL9:10 amLambert-St Louis

19h 50m

2 stops

IST1:00 pmIstanbul

Apr 21

IST5:40 amIstanbul

23h 28m

2 stops

STL9:08 pmLambert-St Louis

$569

Find similar

Lufthansa flights from St. Louis to Istanbul

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

Lufthansa

Mar 18

STL4:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Apr 15

IST5:40 amIstanbul

15h 45m

1 stop

STL1:25 pmLambert-St Louis

$577

Find similar

Lufthansa

Mar 18

STL4:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Apr 15

IST5:40 amIstanbul

15h 45m

1 stop

STL1:25 pmLambert-St Louis

$586

Find similar

Lufthansa

Mar 18

STL4:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Apr 13

IST3:45 amIstanbul

25h 23m

2 stops

STL9:08 pmLambert-St Louis

$587

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 4/13

1:29 pm-6:50 pm

2 stops21h 21m

Istanbul

Mon 4/20

3:35 pm-7:30 pm

1 stop35h 55m

$557

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Thu 2/5

12:11 pm-5:30 pm

2 stops20h 19m

Istanbul

Mon 2/16

6:40 pm-11:22 pm

2 stops37h 42m

$559

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Thu 1/29

2:54 pm-5:30 pm

2 stops17h 36m

Istanbul

Thu 2/5

7:35 am-6:14 pm

2 stops19h 39m

$560

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 4/5

3:30 pm-9:35 pm

1 stop22h 05m

Istanbul

Wed 4/22

5:40 am-1:25 pm

1 stop15h 45m

$563

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 4/5

9:10 am-1:00 pm

2 stops19h 50m

Istanbul

Wed 4/22

5:40 am-1:25 pm

1 stop15h 45m

$564

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 4/5

9:10 am-1:00 pm

2 stops19h 50m

Istanbul

Tue 4/21

5:40 am-9:08 pm

2 stops23h 28m

$569

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 2/15

2:00 pm-5:25 pm

2 stops18h 25m

Istanbul

Sun 2/22

8:20 am-11:28 pm

2 stops24h 08m

$576

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 3/18

4:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Wed 4/15

5:40 am-1:25 pm

1 stop15h 45m

$577

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 3/17

6:59 pm-9:20 pm

2 stops18h 21m

Istanbul Sabiha Gokcen

Wed 4/15

8:50 am-8:38 pm

2 stops19h 48m

$691

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 1/20

3:31 pm-9:20 pm

2 stops20h 49m

Istanbul Sabiha Gokcen

Tue 1/27

9:00 am-8:43 pm

2 stops20h 43m

$735

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 typical price of a round-trip flight between St. Louis and Istanbul?

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 $607. 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 $744.

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 $1,028 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	18h 02m
Direct flights	None

The fastest flight from St. Louis to Istanbul takes 18h 02m

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 18h 02m.
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 January 2026.
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 7,635 reviews	Search British Airways flights
Lufthansa	PriceFrom $586	Free Cancellation	Rating 6.8 7,675 reviews	Search Lufthansa flights
KLM	PriceFrom $617	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,571 reviews	Search Air Canada flights
United Airlines	PriceFrom $633	Free Cancellation	Rating 7.4 9,132 reviews	Search United Airlines flights
Delta	PriceFrom $687	Free Cancellation	Rating 7.9 8,020 reviews	Search Delta flights
Turkish Airlines	PriceFrom $1,200	Free Cancellation	Rating 7.3 4,139 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.