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

Lufthansa is the most popular carrier operating from Lambert-St Louis to Istanbul

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 55% 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.

$376 Cheap Flights from St. Louis to Istanbul in 2026

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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.

4:05 pm - 6:05 pm

STL

IST

17h 00m

2 stops

6:30 am - 2:55 pm

IST

STL

16h 25m

1 stop

$520Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

3:50 pm - 6:05 pm

STL

IST

17h 15m

1 stop

6:30 am - 2:55 pm

IST

STL

16h 25m

1 stop

$523Lufthansa

Wed, Mar 4 - Wed, Mar 11

4:50 pm - 10:45 pm

STL

IST

21h 55m

1 stop

5:40 am - 1:25 pm

IST

STL

15h 45m

1 stop

$526Lufthansa

Wed, Mar 18 - Wed, Apr 15

4:50 pm - 10:45 pm

STL

IST

21h 55m

1 stop

5:40 am - 1:25 pm

IST

STL

15h 45m

1 stop

$530Lufthansa

Wed, Mar 18 - Wed, Apr 15

7:00 pm - 10:45 pm

STL

IST

19h 45m

2 stops

5:40 am - 1:25 pm

IST

STL

15h 45m

1 stop

$536United Airlines

Mon, Mar 16 - Wed, Apr 15

11:36 am - 5:25 pm

STL

IST

20h 49m

2 stops

7:35 am - 9:21 pm

IST

STL

21h 46m

2 stops

$538American Airlines

Sun, Mar 1 - Tue, Mar 17

12:04 pm - 5:25 pm

STL

SAW

21h 21m

2 stops

8:50 am - 11:33 pm

SAW

STL

22h 43m

2 stops

$608KLM

Wed, Mar 18 - Wed, Apr 15

1:00 pm - 5:25 pm

STL

SAW

19h 25m

2 stops

9:00 am - 8:43 pm

SAW

STL

20h 43m

2 stops

$609KLM

Tue, Feb 10 - Tue, Feb 17

12:11 pm - 10:05 pm

STL

SAW

25h 54m

2 stops

10:00 am - 10:14 pm

SAW

STL

44h 14m

2 stops

$977Iberia

Mon, Apr 20 - Thu, Apr 30

11:59 am - 6:55 pm

STL

SAW

22h 56m

2 stops

12:30 pm - 10:14 pm

SAW

STL

41h 44m

2 stops

$1,001Iberia

Wed, Mar 18 - Wed, Apr 15

American Airlines flights from St. Louis to Istanbul

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

American Airlines

Mar 1

STL11:36 amLambert-St Louis

20h 49m

2 stops

IST5:25 pmIstanbul

Mar 17

IST7:35 amIstanbul

21h 46m

2 stops

STL9:21 pmLambert-St Louis

$538

American Airlines

Mar 18

STL11:59 amLambert-St Louis

21h 26m

2 stops

IST5:25 pmIstanbul

Apr 15

IST8:15 amIstanbul

19h 15m

2 stops

STL7:30 pmLambert-St Louis

$545

Lufthansa flights from St. Louis to Istanbul

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

Lufthansa

Mar 4

STL3:50 pmLambert-St Louis

17h 15m

1 stop

IST6:05 pmIstanbul

Mar 11

IST6:30 amIstanbul

16h 25m

1 stop

STL2:55 pmLambert-St Louis

$523

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

$526

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

$530

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 3/4

4:05 pm-6:05 pm

2 stops17h 00m

Istanbul

Wed 3/11

6:30 am-2:55 pm

1 stop16h 25m

$520

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 3/4

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Wed 3/11

6:30 am-2:55 pm

1 stop16h 25m

$523

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

$526

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

$530

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 3/16

7:00 pm-10:45 pm

2 stops19h 45m

Istanbul

Wed 4/15

5:40 am-1:25 pm

1 stop15h 45m

$536

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/1

11:36 am-5:25 pm

2 stops20h 49m

Istanbul

Tue 3/17

7:35 am-9:21 pm

2 stops21h 46m

$538

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Wed 3/18

12:04 pm-5:25 pm

2 stops21h 21m

Istanbul Sabiha Gokcen

Wed 4/15

8:50 am-11:33 pm

2 stops22h 43m

$608

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 2/10

1:00 pm-5:25 pm

2 stops19h 25m

Istanbul Sabiha Gokcen

Tue 2/17

9:00 am-8:43 pm

2 stops20h 43m

$609

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Mon 4/20

12:11 pm-10:05 pm

2 stops25h 54m

Istanbul Sabiha Gokcen

Thu 4/30

10:00 am-10:14 pm

2 stops44h 14m

$977

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

12:30 pm-10:14 pm

2 stops41h 44m

$1,001

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, 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 January is also cheap. Prices for this month can be found on momondo for an average of $663.

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 $993 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 $707 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 00m
Direct flights	None

The fastest flight from St. Louis to Istanbul takes 17h 00m

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 17h 00m.
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 7,676 reviews	Search British Airways flights
Lufthansa	PriceFrom $586	Free Cancellation	Rating 6.8 7,715 reviews	Search Lufthansa flights
KLM	PriceFrom $617	Free Cancellation	Rating 7.7 1,439 reviews	Search KLM flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,622 reviews	Search Air Canada flights
United Airlines	PriceFrom $633	Free Cancellation	Rating 7.4 9,163 reviews	Search United Airlines flights
Delta	PriceFrom $687	Free Cancellation	Rating 7.9 8,048 reviews	Search Delta flights
Turkish Airlines	PriceFrom $1,200	Free Cancellation	Rating 7.3 4,169 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.