Cheap flights from Illinois to Istanbul from $338

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 Istanbul departing on 11/27. 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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Lufthansa Logo
11:22 am - 6:05 pmSTL-IST
21h 43m2 stops
Lufthansa Logo
6:30 am - 11:59 pmIST-STL
26h 29m2 stops
$558Lufthansa
Find Deal
Wed, Jan 14 - Sun, Feb 1
British Airways Logo
2:06 pm - 5:25 pmSTL-IST
18h 19m2 stops
British Airways Logo
7:35 am - 9:15 pmIST-STL
22h 40m2 stops
$565British Airways
Find Deal
Wed, Dec 31 - Tue, Jan 20
United Airlines Logo
3:50 pm - 10:45 pmSTL-IST
21h 55m1 stop
United Airlines Logo
6:30 am - 10:17 pmIST-STL
24h 47m2 stops
$568United Airlines
Find Deal
Sun, Jan 18 - Mon, Feb 16
United Airlines Logo
8:30 am - 6:05 pmSTL-IST
24h 35m2 stops
United Airlines Logo
6:30 am - 3:29 pmIST-STL
41h 59m2 stops
$569United Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 29
Multiple Airlines Logo
4:05 pm - 6:05 pmSTL-IST
41h 00m2 stops
Multiple Airlines Logo
6:30 am - 10:58 pmIST-STL
25h 28m2 stops
$570Multiple Airlines
Find Deal
Wed, Feb 4 - Sun, Feb 8
Multiple Airlines Logo
4:05 pm - 6:05 pmSTL-IST
41h 00m2 stops
Multiple Airlines Logo
6:30 am - 10:58 pmIST-STL
25h 28m2 stops
$571Multiple Airlines
Find Deal
Wed, Feb 4 - Sun, Feb 8
Scandinavian Airlines Logo
7:15 pm - 3:40 amORD-IST
24h 25m1 stop
Scandinavian Airlines Logo
4:30 am - 9:36 pmIST-ORD
25h 06m3 stops
$661Scandinavian Airlines
Find Deal
Wed, Apr 1 - Wed, Apr 15
Scandinavian Airlines Logo
10:40 am - 4:30 amORD-IST
33h 50m2 stops
Scandinavian Airlines Logo
4:30 am - 4:10 pmIST-ORD
19h 40m1 stop
$668Scandinavian Airlines
Find Deal
Fri, Mar 27 - Wed, Apr 1
Icelandair Logo
6:30 pm - 11:55 pmORD-IST
20h 25m1 stop
Icelandair Logo
12:25 pm - 6:20 pmIST-ORD
13h 55m1 stop
$677Icelandair
Find Deal
Wed, Mar 4 - Mon, Mar 9
Icelandair Logo
6:30 pm - 11:55 pmORD-IST
20h 25m1 stop
Icelandair Logo
12:25 pm - 5:20 pmIST-ORD
13h 55m1 stop
$678Icelandair
Find Deal
Mon, Feb 16 - Fri, Feb 27

Lufthansa flights from Illinois to Istanbul

Our best Lufthansa deals on Illinois to Istanbul flight tickets
Lufthansa
Jan 14
STL11:22 amLambert-St Louis
21h 43m
2 stops
IST6:05 pmIstanbul
Feb 1
IST6:30 amIstanbul
26h 29m
2 stops
STL11:59 pmLambert-St Louis
Lufthansa
Jan 14
STL3:50 pmLambert-St Louis
17h 15m
1 stop
IST6:05 pmIstanbul
Feb 1
IST6:30 amIstanbul
26h 29m
2 stops
STL11:59 pmLambert-St Louis
Lufthansa
Apr 1
STL3:30 pmLambert-St Louis
21h 45m
1 stop
IST9:15 pmIstanbul
Apr 15
IST6:00 amIstanbul
15h 30m
1 stop
STL1:30 pmLambert-St Louis

British Airways flights from Illinois to Istanbul

Our best British Airways deals on Illinois to Istanbul flight tickets
British Airways
Dec 31
STL2:06 pmLambert-St Louis
18h 19m
2 stops
IST5:25 pmIstanbul
Jan 20
IST7:35 amIstanbul
22h 40m
2 stops
STL9:15 pmLambert-St Louis
British Airways
Jan 18
STL6:44 pmLambert-St Louis
21h 06m
2 stops
IST12:50 amIstanbul
Feb 16
IST6:40 pmIstanbul
37h 41m
2 stops
STL11:21 pmLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Istanbul 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 November 20, 2025.
Use the filters below to find and compare flights from Illinois to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 1/14

11:22 am-6:05 pm

2 stops21h 43m

Istanbul

Sun 2/1

6:30 am-11:59 pm

2 stops26h 29m

$558

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 12/31

2:06 pm-5:25 pm

2 stops18h 19m

Istanbul

Tue 1/20

7:35 am-9:15 pm

2 stops22h 40m

$565

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-10:17 pm

2 stops24h 47m

$568

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Thu 1/15

8:30 am-6:05 pm

2 stops24h 35m

Istanbul

Thu 1/29

6:30 am-3:29 pm

2 stops41h 59m

$569

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 2/4

4:05 pm-6:05 pm

2 stops41h 00m

Istanbul

Sun 2/8

6:30 am-10:58 pm

2 stops25h 28m

$570

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 2/4

4:05 pm-6:05 pm

2 stops41h 00m

Istanbul

Sun 2/8

6:30 am-10:58 pm

2 stops25h 28m

$571

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 4/1

7:15 pm-3:40 am

1 stop24h 25m

Istanbul

Wed 4/15

4:30 am-9:36 pm

3 stops25h 06m

$661

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 3/27

10:40 am-4:30 am

2 stops33h 50m

Istanbul

Wed 4/1

4:30 am-4:10 pm

1 stop19h 40m

$668

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 3/4

6:30 pm-11:55 pm

1 stop20h 25m

Istanbul

Mon 3/9

12:25 pm-6:20 pm

1 stop13h 55m

$677

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 2/16

6:30 pm-11:55 pm

1 stop20h 25m

Istanbul

Fri 2/27

12:25 pm-5:20 pm

1 stop13h 55m

$678

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 Istanbul from

How to get the cheapest flight ticket from Illinois 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

What is the cheapest month to fly to Istanbul?

In general, January is the cheapest month to fly from Illinois to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $923. If you aren’t able to travel to Istanbul during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $925.

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

The cheapest day to depart from Illinois to Istanbul is on a Wednesday when prices can be found for as low as $900. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Friday is $1,006.

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 Illinois to Istanbul during this time can be as low as $682. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,032 on average. Flights to Istanbul from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Istanbul flight route?

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

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

You are more likely to see cheaper flights to Istanbul from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul 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 Istanbul from Illinois for as low as $851 on momondo.

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

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

Cheap Illinois to Istanbul flight deals and tips

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

Fastest flight time

10h 20m

Direct flights

Every day

Airports in Istanbul

1 airport
The fastest flight from Illinois to Istanbul takes 10h 20m
Direct flights go from Illinois to Istanbul every day.
There is 1 airport near Istanbul: Istanbul (IST)
  • When did momondo last update prices for flights from Illinois to Istanbul?

    Prices for flights from Illinois to Istanbul are updated daily.

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

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

    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 Istanbul.

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

    The required travel and health documents for your Istanbul 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 Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Istanbul

Compare and see reviews for airlines that fly from Illinois to Istanbul with momondo
Airline
Rating
Free Cancellation
Price
Air SerbiaPriceFrom $382Free CancellationRating
6.2
207 reviews
Search Air Serbia flights
IcelandairPriceFrom $446Free CancellationRating
7.0
581 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $659Free CancellationRating
7.3
4,044 reviews
Search Turkish Airlines flights
LOTPriceFrom $683Free CancellationRating
7.5
1,137 reviews
Search LOT flights
KLMPriceFrom $719Free CancellationRating
7.7
1,414 reviews
Search KLM flights
Etihad AirwaysPriceFrom $721Free CancellationRating
7.4
1,309 reviews
Search Etihad Airways flights
Royal JordanianPriceFrom $742Free CancellationRating
6.8
436 reviews
Search Royal Jordanian flights
LufthansaPriceFrom $780Free CancellationRating
6.8
7,579 reviews
Search Lufthansa flights
DeltaPriceFrom $781Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Air CanadaPriceFrom $785Free CancellationRating
7.1
10,463 reviews
Search Air Canada flights

Why use momondo?

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

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

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

Flights from Illinois to Istanbul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Istanbul.

I’m not ready to book a flight from Illinois to Istanbul right now. Can momondo alert me if prices change?

Price alerts on flights to Istanbul 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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1 adult
Sat 12/20
Sat 12/27

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Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 20.9 mi from Istanbul