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?

Delta, United Airlines, and Lufthansa 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.

$556 Cheap Flights from St. Louis to Istanbul in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

3:50 pm - 6:05 pm

STL

IST

17h 15m1 stop

6:30 am - 1:55 pm

IST

STL

16h 25m1 stop

$556Lufthansa

Wed, Jan 14 - Fri, Jan 30

3:50 pm - 6:05 pm

STL

IST

17h 15m1 stop

6:30 am - 10:58 pm

IST

STL

25h 28m2 stops

$557Lufthansa

Fri, Jan 16 - Fri, Feb 6

6:44 pm - 12:50 am

STL

IST

21h 06m2 stops

6:40 pm - 11:18 pm

IST

STL

37h 38m2 stops

$560British Airways

Sun, Jan 18 - Mon, Feb 16

3:50 pm - 6:05 pm

STL

IST

17h 15m1 stop

6:30 am - 3:29 pm

IST

STL

41h 59m2 stops

$561Multiple Airlines

Wed, Jan 14 - Fri, Jan 30

3:50 pm - 6:05 pm

STL

IST

17h 15m1 stop

6:30 am - 11:59 pm

IST

STL

26h 29m2 stops

$563Lufthansa

Wed, Jan 14 - Wed, Feb 4

8:30 am - 6:05 pm

STL

IST

24h 35m2 stops

6:30 am - 1:55 pm

IST

STL

16h 25m1 stop

$566United Airlines

Sun, Feb 1 - Wed, Mar 4

3:50 pm - 10:45 pm

STL

IST

21h 55m1 stop

6:30 am - 3:29 pm

IST

STL

41h 59m2 stops

$568United Airlines

Fri, Jan 23 - Tue, Jan 27

1:15 pm - 6:05 pm

STL

IST

19h 50m2 stops

6:30 am - 1:55 pm

IST

STL

16h 25m1 stop

$571Lufthansa

Fri, Feb 6 - Fri, Mar 6

3:45 pm - 9:20 pm

STL

SAW

20h 35m2 stops

9:00 am - 8:43 pm

SAW

STL

20h 43m2 stops

$609KLM

Mon, Jan 12 - Mon, Jan 26

5:04 pm - 9:20 pm

STL

SAW

19h 16m2 stops

9:00 am - 11:36 pm

SAW

STL

23h 36m2 stops

$612KLM

Tue, Feb 3 - Thu, Mar 5

United Airlines flights from St. Louis to Istanbul

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

United Airlines

Feb 1

STL8:30 amLambert-St Louis

24h 35m

2 stops

IST6:05 pmIstanbul

Mar 4

IST6:30 amIstanbul

16h 25m

1 stop

STL1:55 pmLambert-St Louis

$566

Find similar

United Airlines

Jan 23

STL3:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Jan 27

IST6:30 amIstanbul

41h 59m

2 stops

STL3:29 pmLambert-St Louis

$568

Find similar

United Airlines

Jan 18

STL3:50 pmLambert-St Louis

21h 55m

1 stop

IST10:45 pmIstanbul

Feb 16

IST6:30 amIstanbul

24h 47m

2 stops

STL10:17 pmLambert-St Louis

$572

Find similar

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 30

IST6:30 amIstanbul

16h 25m

1 stop

STL1:55 pmLambert-St Louis

$556

Find similar

Lufthansa

Jan 16

STL3:50 pmLambert-St Louis

17h 15m

1 stop

IST6:05 pmIstanbul

Feb 6

IST6:30 amIstanbul

25h 28m

2 stops

STL10:58 pmLambert-St Louis

$557

Find similar

Lufthansa

Jan 14

STL3:50 pmLambert-St Louis

17h 15m

1 stop

IST6:05 pmIstanbul

Feb 4

IST6:30 amIstanbul

26h 29m

2 stops

STL11:59 pmLambert-St Louis

$563

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

Fri 1/30

6:30 am-1:55 pm

1 stop16h 25m

$556

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/16

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Fri 2/6

6:30 am-10:58 pm

2 stops25h 28m

$557

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

6:44 pm-12:50 am

2 stops21h 06m

Istanbul

Mon 2/16

6:40 pm-11:18 pm

2 stops37h 38m

$560

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/14

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Fri 1/30

6:30 am-3:29 pm

2 stops41h 59m

$561

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/14

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Wed 2/4

6:30 am-11:59 pm

2 stops26h 29m

$563

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 2/1

8:30 am-6:05 pm

2 stops24h 35m

Istanbul

Wed 3/4

6:30 am-1:55 pm

1 stop16h 25m

$566

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/23

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Tue 1/27

6:30 am-3:29 pm

2 stops41h 59m

$568

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 2/6

1:15 pm-6:05 pm

2 stops19h 50m

Istanbul

Fri 3/6

6:30 am-1:55 pm

1 stop16h 25m

$571

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Mon 1/12

3:45 pm-9:20 pm

2 stops20h 35m

Istanbul Sabiha Gokcen

Mon 1/26

9:00 am-8:43 pm

2 stops20h 43m

$609

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Tue 2/3

5:04 pm-9:20 pm

2 stops19h 16m

Istanbul Sabiha Gokcen

Thu 3/5

9:00 am-11:36 pm

2 stops23h 36m

$612

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 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 $1,039 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	16h 30m
Direct flights	None

The fastest flight from St. Louis to Istanbul takes 16h 30m

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 16h 30m.
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 7,583 reviews	Search British Airways flights
KLM	PriceFrom $617	Free Cancellation	Rating 7.7 1,430 reviews	Search KLM flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,532 reviews	Search Air Canada flights
Delta	PriceFrom $687	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Lufthansa	PriceFrom $718	Free Cancellation	Rating 6.8 7,634 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $1,200	Free Cancellation	Rating 7.3 4,105 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.