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 is the most popular carrier 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.

$301 Cheap Flights from St. Louis to Istanbul in 2025/26

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 $568 to $1,474. The lowest price recently found on this route was $559.

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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.

6:45 pm - 10:45 pm

STL

IST

19h 00m2 stops

6:30 am - 1:55 pm

IST

STL

16h 25m1 stop

$559Lufthansa

Fri, Feb 27 - Wed, Mar 4

6:44 pm - 12:25 am

STL

IST

20h 41m2 stops

7:35 am - 11:18 pm

IST

STL

24h 43m2 stops

$560British Airways

Wed, Feb 11 - Tue, Feb 17

3:50 pm - 6:05 pm

STL

IST

17h 15m1 stop

6:30 am - 3:15 pm

IST

STL

41h 45m2 stops

$568United Airlines

Fri, Jan 30 - Tue, Feb 3

3:50 pm - 10:45 pm

STL

IST

21h 55m1 stop

6:30 am - 9:05 pm

IST

STL

23h 35m2 stops

$572United Airlines

Sun, Jan 18 - Mon, Feb 16

6:45 pm - 10:45 pm

STL

IST

19h 00m2 stops

6:30 am - 8:23 pm

IST

STL

22h 53m2 stops

$576Lufthansa

Fri, Feb 27 - Wed, Mar 4

4:50 pm - 6:05 pm

STL

IST

17h 15m1 stop

5:40 am - 1:25 pm

IST

STL

15h 45m1 stop

$587United Airlines

Fri, Mar 20 - Wed, Apr 15

3:31 pm - 5:25 pm

STL

SAW

16h 54m2 stops

9:00 am - 11:37 pm

SAW

STL

23h 37m2 stops

$609KLM

Tue, Jan 20 - Tue, Jan 27

3:31 pm - 5:25 pm

STL

SAW

16h 54m2 stops

9:00 am - 11:37 pm

SAW

STL

23h 37m2 stops

$735KLM

Tue, Jan 20 - Tue, Jan 27

11:59 am - 6:55 pm

STL

SAW

22h 56m2 stops

10:00 am - 8:42 am

SAW

STL

30h 42m2 stops

$1,114Iberia

Wed, Mar 18 - Wed, Apr 15

2:24 pm - 9:05 pm

STL

SAW

21h 41m2 stops

11:25 am - 11:28 pm

SAW

STL

45h 03m2 stops

$1,119Iberia

Thu, Feb 26 - Wed, Mar 4

Lufthansa flights from St. Louis to Istanbul

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

Lufthansa

Feb 27

STL6:45 pmLambert-St Louis

19h 00m

2 stops

IST10:45 pmIstanbul

Mar 4

IST6:30 amIstanbul

16h 25m

1 stop

STL1:55 pmLambert-St Louis

$559

Find similar

Lufthansa

Feb 27

STL6:45 pmLambert-St Louis

19h 00m

2 stops

IST10:45 pmIstanbul

Mar 4

IST6:30 amIstanbul

22h 53m

2 stops

STL8:23 pmLambert-St Louis

$576

Find similar

Lufthansa

Mar 4

STL3:50 pmLambert-St Louis

17h 15m

1 stop

IST6:05 pmIstanbul

Apr 1

IST5:40 amIstanbul

15h 45m

1 stop

STL1:25 pmLambert-St Louis

$583

Find similar

Delta flights from St. Louis to Istanbul

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

Delta

Mar 16

STL5:59 pmLambert-St Louis

25h 51m

2 stops

IST3:50 amIstanbul

Apr 13

IST5:20 pmIstanbul

35h 18m

2 stops

STL8:38 pmLambert-St Louis

$613

Find similar

Delta

Mar 22

STL6:59 pmLambert-St Louis

48h 51m

2 stops

IST3:50 amIstanbul

Apr 14

IST4:25 amIstanbul

20h 17m

2 stops

STL4:42 pmLambert-St Louis

$618

Find similar

Delta

Mar 22

STL6:59 pmLambert-St Louis

48h 51m

2 stops

IST3:50 amIstanbul

Apr 13

IST5:20 pmIstanbul

31h 22m

2 stops

STL4:42 pmLambert-St Louis

$619

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 2/27

6:45 pm-10:45 pm

2 stops19h 00m

Istanbul

Wed 3/4

6:30 am-1:55 pm

1 stop16h 25m

$559

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 2/11

6:44 pm-12:25 am

2 stops20h 41m

Istanbul

Tue 2/17

7:35 am-11:18 pm

2 stops24h 43m

$560

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-3:15 pm

2 stops41h 45m

$568

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-9:05 pm

2 stops23h 35m

$572

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 2/27

6:45 pm-10:45 pm

2 stops19h 00m

Istanbul

Wed 3/4

6:30 am-8:23 pm

2 stops22h 53m

$576

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 3/20

4:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Wed 4/15

5:40 am-1:25 pm

1 stop15h 45m

$587

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 1/20

3:31 pm-5:25 pm

2 stops16h 54m

Istanbul Sabiha Gokcen

Tue 1/27

9:00 am-11:37 pm

2 stops23h 37m

$609

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 1/20

3:31 pm-5:25 pm

2 stops16h 54m

Istanbul Sabiha Gokcen

Tue 1/27

9:00 am-11:37 pm

2 stops23h 37m

$735

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Wed 3/18

11:59 am-6:55 pm

2 stops22h 56m

Istanbul Sabiha Gokcen

Wed 4/15

10:00 am-8:42 am

2 stops30h 42m

$1,114

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Thu 2/26

2:24 pm-9:05 pm

2 stops21h 41m

Istanbul Sabiha Gokcen

Wed 3/4

11:25 am-11:28 pm

2 stops45h 03m

$1,119

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 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 $768.

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 $1,033 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	14h 50m
Direct flights	None

The fastest flight from St. Louis to Istanbul takes 14h 50m

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 14h 50m.
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 7,605 reviews	Search British Airways flights
KLM	PriceFrom $617	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Delta	PriceFrom $687	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 9,104 reviews	Search United Airlines flights
Lufthansa	PriceFrom $718	Free Cancellation	Rating 6.8 7,649 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $1,200	Free Cancellation	Rating 7.3 4,111 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.