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Cheap flights from Illinois to Turkey from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Turkey departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Turkey

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:44 pm - 12:50 am
STL
-
IST
21h 06m2 stops
British Airways Logo
3:15 pm - 11:18 pm
IST
-
STL
41h 03m2 stops
$559British Airways
Sun, Jan 18 - Mon, Feb 16
United Airlines Logo
3:50 pm - 6:05 pm
STL
-
IST
17h 15m1 stop
United Airlines Logo
6:30 am - 3:29 pm
IST
-
STL
41h 59m2 stops
$567United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
3:50 pm - 10:45 pm
STL
-
IST
21h 55m1 stop
United Airlines Logo
6:30 am - 10:59 pm
IST
-
STL
25h 29m2 stops
$571United Airlines
Sun, Jan 18 - Mon, Feb 16
Lufthansa Logo
11:28 am - 5:45 pm
STL
-
IST
22h 17m2 stops
Lufthansa Logo
7:00 pm - 10:59 pm
IST
-
STL
35h 59m2 stops
$581Lufthansa
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
3:50 pm - 10:45 pm
STL
-
IST
21h 55m1 stop
Multiple Airlines Logo
9:25 pm - 3:29 pm
IST
-
STL
51h 04m2 stops
$639Multiple Airlines
Sun, Jan 18 - Mon, Feb 16
Lufthansa Logo
3:30 pm - 9:15 pm
STL
-
IST
21h 45m1 stop
Lufthansa Logo
5:50 am - 1:30 pm
IST
-
STL
15h 40m1 stop
$649Lufthansa
Wed, Apr 1 - Sun, Apr 5
Multiple Airlines Logo
6:30 pm - 8:30 pm
ORD
-
SAW
17h 00m2 stops
Multiple Airlines Logo
9:50 am - 5:20 pm
SAW
-
ORD
16h 30m2 stops
$654Multiple Airlines
Fri, Jan 9 - Thu, Jan 15
Icelandair Logo
6:30 pm - 11:35 pm
ORD
-
IST
20h 05m1 stop
Icelandair Logo
12:05 pm - 5:20 pm
IST
-
ORD
14h 15m1 stop
$665Icelandair
Wed, Jan 7 - Mon, Jan 12
Scandinavian Airlines Logo
7:15 pm - 3:40 am
ORD
-
IST
24h 25m1 stop
Scandinavian Airlines Logo
4:30 am - 4:10 pm
IST
-
ORD
19h 40m1 stop
$672Scandinavian Airlines
Mon, Apr 6 - Mon, Apr 20
Icelandair Logo
6:30 pm - 11:35 pm
ORD
-
IST
20h 05m1 stop
Icelandair Logo
12:05 pm - 5:20 pm
IST
-
ORD
14h 15m1 stop
$673Icelandair
Wed, Jan 14 - Fri, Jan 23

British Airways flights from Illinois to Turkey

Our best British Airways deals on Illinois to Turkey flight tickets
British Airways
Jan 18
STL6:44 pmLambert-St Louis
21h 06m
2 stops
IST12:50 amIstanbul
Feb 16
IST3:15 pmIstanbul
41h 03m
2 stops
STL11:18 pmLambert-St Louis
$559
Find similar
British Airways
Apr 1
STL9:32 amLambert-St Louis
25h 28m
2 stops
IST7:00 pmIstanbul
Apr 5
IST6:45 pmIstanbul
36h 13m
2 stops
STL10:58 pmLambert-St Louis
$704
Find similar
British Airways
May 1
STL10:00 pmLambert-St Louis
18h 20m
1 stop
IST12:20 amIstanbul
May 14
IST7:55 pmIstanbul
31h 35m
1 stop
STL7:30 pmLambert-St Louis
$809
Find similar

Lufthansa flights from Illinois to Turkey

Our best Lufthansa deals on Illinois to Turkey flight tickets
Lufthansa
Mar 17
STL11:28 amLambert-St Louis
22h 17m
2 stops
IST5:45 pmIstanbul
Mar 24
IST7:00 pmIstanbul
35h 59m
2 stops
STL10:59 pmLambert-St Louis
$581
Find similar
Lufthansa
Apr 1
STL3:30 pmLambert-St Louis
21h 45m
1 stop
IST9:15 pmIstanbul
Apr 5
IST5:50 amIstanbul
15h 40m
1 stop
STL1:30 pmLambert-St Louis
$649
Find similar
Lufthansa
Jan 31
ORD3:20 pmChicago O'Hare Intl
14h 20m
1 stop
ADB2:40 pmIzmir Adnan Menderes Arpt
Apr 4
ADB4:15 amIzmir Adnan Menderes Arpt
16h 40m
2 stops
ORD12:55 pmChicago O'Hare Intl
$878
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Turkey that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Illinois to Turkey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

6:44 pm-12:50 am

2 stops21h 06m

Istanbul

Mon 2/16

3:15 pm-11:18 pm

2 stops41h 03m

$559

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 1/23

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Tue 1/27

6:30 am-3:29 pm

2 stops41h 59m

$567

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-10:59 pm

2 stops25h 29m

$571

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 3/17

11:28 am-5:45 pm

2 stops22h 17m

Istanbul

Tue 3/24

7:00 pm-10:59 pm

2 stops35h 59m

$581

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Mon 2/16

9:25 pm-3:29 pm

2 stops51h 04m

$639

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 4/1

3:30 pm-9:15 pm

1 stop21h 45m

Istanbul

Sun 4/5

5:50 am-1:30 pm

1 stop15h 40m

$649

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Fri 1/9

6:30 pm-8:30 pm

2 stops17h 00m

Istanbul Sabiha Gokcen

Thu 1/15

9:50 am-5:20 pm

2 stops16h 30m

$654

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 1/7

6:30 pm-11:35 pm

1 stop20h 05m

Istanbul

Mon 1/12

12:05 pm-5:20 pm

1 stop14h 15m

$665

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 4/6

7:15 pm-3:40 am

1 stop24h 25m

Istanbul

Mon 4/20

4:30 am-4:10 pm

1 stop19h 40m

$672

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 1/14

6:30 pm-11:35 pm

1 stop20h 05m

Istanbul

Fri 1/23

12:05 pm-5:20 pm

1 stop14h 15m

$673

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Turkey from

How to get the cheapest flight ticket from Illinois to Turkey

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

What is the cheapest month to fly to Turkey?

The cheapest month to fly to Turkey from Illinois is in November. Flight prices, which tend to average around $886, are often lower during this time because this is during the off-season. If you don’t want to visit Turkey in November, then you should wait until January to fly from Illinois, when ticket prices are also cheap, with an average price of $923.

What is the cheapest day to depart on your flight to Turkey?

The cheapest day to depart from Illinois to Turkey is on a Wednesday when prices can be found for as low as $897. On the other hand, Friday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $993.

What is the cheapest time of day to depart on your flight to Turkey?

The cheapest time of day to fly to Turkey is at noon when flights can be purchased for as low as $825. In the afternoon is when there is more demand to fly to Turkey, so prices are often more expensive at around $1,073 per ticket.

What is the cheapest Illinois to Turkey flight route?

Fly from Chicago O'Hare Intl to Istanbul for the best Illinois - Turkey flight prices

How far in advance should I book a flight to Turkey?

You are more likely to see cheaper flights to Turkey from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Turkey for around $1,031 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Turkey from Illinois for as low as $851 on momondo.

What cabin class options are available on Illinois to Turkey flights?

There are 3 cabin classes available to choose from on Illinois to Turkey flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Turkey flights?

You could potentially save up to 16% on your flight if you consider stops on a Illinois to Turkey flight.

Cheap Illinois to Turkey flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Turkey

Best Price Found

$544

Fastest flight time

10h 20m

Direct flights

Every day

Airports in Turkey

91 airports
The best one-way flight to Turkey from Illinois in the past 72 hours is $544. The best round-trip flight deal from Illinois to Turkey found on momondo in the last 72 hours is $724.
The fastest flight from Illinois to Turkey takes 10h 20m
Direct flights go from Illinois to Turkey every day.
There are 91 airports in Turkey. From Illinois there are direct flights to Istanbul (IST).
Search flight deals

  • When did momondo last update prices for flights from Illinois to Turkey?

    Prices for flights from Illinois to Turkey are updated daily.

  • How many operators does momondo search for flights from Illinois to Turkey?

  • How old do you have to be to fly from Illinois to Turkey?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Turkey.

  • What documentation or ID do you need to fly to Turkey?

    The required travel and health documents for your Turkey trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Turkey. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Turkey?

Best airlines flying from Illinois to Turkey

Compare and see reviews for airlines that fly from Illinois to Turkey with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $421Free CancellationRating
7.0
589 reviews
Search Icelandair flights
Air SerbiaPriceFrom $422Free CancellationRating
6.2
210 reviews
Search Air Serbia flights
Turkish AirlinesPriceFrom $668Free CancellationRating
7.3
4,090 reviews
Search Turkish Airlines flights
LOTPriceFrom $707Free CancellationRating
7.6
1,146 reviews
Search LOT flights
KLMPriceFrom $719Free CancellationRating
7.7
1,432 reviews
Search KLM flights
Royal JordanianPriceFrom $742Free CancellationRating
6.8
442 reviews
Search Royal Jordanian flights
Etihad AirwaysPriceFrom $757Free CancellationRating
7.4
1,331 reviews
Search Etihad Airways flights
DeltaPriceFrom $774Free CancellationRating
7.9
8,007 reviews
Search Delta flights
LufthansaPriceFrom $780Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
United AirlinesPriceFrom $791Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Turkey?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Turkey. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Turkey with flexible booking policies on momondo?

momondo does allow users to show only those flights to Turkey from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Turkey?

Once all potential Illinois to Turkey 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 Illinois to Turkey right now. Can momondo alert me if prices change?

Price alerts on flights to Turkey from Illinois 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.

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