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Cheap flights from Illinois to Istanbul from $392

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 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:40 pm - 6:10 pm
STL
-
IST
17h 30m
1 stop
Lufthansa Logo
6:30 am - 1:45 pm
IST
-
STL
16h 15m
1 stop
$813Lufthansa
Sun, Nov 15 - Wed, Nov 25
Lufthansa Logo
7:04 pm - 3:05 am
STL
-
IST
23h 01m
2 stops
Lufthansa Logo
6:30 am - 1:45 pm
IST
-
STL
16h 15m
1 stop
$817Lufthansa
Sun, Nov 15 - Wed, Nov 25
Lufthansa Logo
7:04 pm - 3:05 am
STL
-
IST
23h 01m
2 stops
Lufthansa Logo
4:45 am - 9:13 pm
IST
-
STL
25h 28m
2 stops
$818Lufthansa
Sun, Nov 15 - Tue, Nov 24
Multiple Airlines Logo
1:35 pm - 4:55 pm
ORD
-
IST
18h 20m
2 stops
Multiple Airlines Logo
7:15 am - 4:15 pm
IST
-
ORD
18h 00m
1 stop
$947Multiple Airlines
Tue, Nov 24 - Sat, Dec 5
Multiple Airlines Logo
8:10 pm - 2:50 pm
ORD
-
IST
10h 40mnonstop
Multiple Airlines Logo
3:35 pm - 2:25 pm
IST
-
ORD
30h 50m
2 stops
$948Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Turkish Airlines Logo
8:10 pm - 2:50 pm
ORD
-
IST
10h 40mnonstop
Turkish Airlines Logo
6:30 am - 9:40 am
IST
-
ORD
11h 10mnonstop
$949Turkish Airlines
Thu, Oct 1 - Tue, Oct 6
KLM Logo
10:58 am - 4:20 pm
MDW
-
IST
21h 22m
2 stops
KLM Logo
5:20 pm - 4:39 pm
IST
-
MDW
31h 19m
2 stops
$1,068KLM
Thu, Oct 8 - Sun, Oct 18
Air France Logo
5:15 pm - 5:55 pm
MDW
-
IST
16h 40m
2 stops
Air France Logo
7:15 am - 6:05 pm
IST
-
MDW
19h 50m
2 stops
$1,129Air France
Mon, Oct 26 - Tue, Nov 3
Air France Logo
1:25 pm - 3:30 am
MDW
-
IST
30h 05m
2 stops
Air France Logo
4:25 am - 6:01 pm
IST
-
MDW
21h 36m
2 stops
$1,158Air France
Sat, Aug 22 - Mon, Sep 7
KLM Logo
1:51 pm - 4:20 pm
MDW
-
IST
18h 29m
2 stops
KLM Logo
6:00 am - 6:33 pm
IST
-
MDW
20h 33m
2 stops
$1,207KLM
Sat, Aug 15 - Sat, Aug 22

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United Airlines flights from Illinois to Istanbul Airport

Our best United Airlines deals on Illinois to Istanbul Airport flight tickets
United Airlines
Sep 7
STL3:30 pmLambert-St Louis
21h 55m
1 stop
IST9:25 pmIstanbul
Sep 16
IST5:40 amIstanbul
15h 45m
1 stop
STL1:25 pmLambert-St Louis
$915
United Airlines
Sep 9
STL12:10 pmLambert-St Louis
16h 50m
2 stops
IST1:00 pmIstanbul
Sep 16
IST5:40 amIstanbul
15h 45m
1 stop
STL1:25 pmLambert-St Louis
$918
United Airlines
Sep 7
STL3:30 pmLambert-St Louis
21h 55m
1 stop
IST9:25 pmIstanbul
Sep 17
IST5:40 amIstanbul
23h 56m
2 stops
STL9:36 pmLambert-St Louis
$925

Air Canada flights from Illinois to Istanbul Airport

Our best Air Canada deals on Illinois to Istanbul Airport flight tickets
Air Canada
Sep 9
STL12:10 pmLambert-St Louis
16h 50m
2 stops
IST1:00 pmIstanbul
Sep 17
IST1:55 pmIstanbul
32h 05m
2 stops
STL2:00 pmLambert-St Louis
$926
Air Canada
Jul 12
STL8:55 amLambert-St Louis
20h 05m
2 stops
IST1:00 pmIstanbul
Jul 22
IST10:40 amIstanbul
40h 02m
2 stops
STL6:42 pmLambert-St Louis
$1,525
Air Canada
Jul 12
STL8:55 amLambert-St Louis
20h 05m
2 stops
IST1:00 pmIstanbul
Jul 21
IST5:40 amIstanbul
40h 22m
2 stops
STL2:02 pmLambert-St Louis
$1,528

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Istanbul Airport 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 July 3, 2026.
Use the filters below to find and compare flights from Illinois to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 11/15

3:40 pm-6:10 pm

1 stop17h 30m

Istanbul

Wed 11/25

6:30 am-1:45 pm

1 stop16h 15m

$813

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 11/15

7:04 pm-3:05 am

2 stops23h 01m

Istanbul

Wed 11/25

6:30 am-1:45 pm

1 stop16h 15m

$817

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 11/15

7:04 pm-3:05 am

2 stops23h 01m

Istanbul

Tue 11/24

4:45 am-9:13 pm

2 stops25h 28m

$818

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 11/24

1:35 pm-4:55 pm

2 stops18h 20m

Istanbul

Sat 12/5

7:15 am-4:15 pm

1 stop18h 00m

$947

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 8/16

8:10 pm-2:50 pm

Nonstop10h 40m

Istanbul

Sun 8/23

3:35 pm-2:25 pm

2 stops30h 50m

$948
Quickest round-trip

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 10/1

8:10 pm-2:50 pm

Nonstop10h 40m

Istanbul

Tue 10/6

6:30 am-9:40 am

Nonstop11h 10m

$949

ChicagoIstanbul

MDW - IST

MDWIST

Chicago Midway

Thu 10/8

10:58 am-4:20 pm

2 stops21h 22m

Istanbul

Sun 10/18

5:20 pm-4:39 pm

2 stops31h 19m

$1,068

ChicagoIstanbul

MDW - IST

MDWIST

Chicago Midway

Mon 10/26

5:15 pm-5:55 pm

2 stops16h 40m

Istanbul

Tue 11/3

7:15 am-6:05 pm

2 stops19h 50m

$1,129

ChicagoIstanbul

MDW - IST

MDWIST

Chicago Midway

Sat 8/22

1:25 pm-3:30 am

2 stops30h 05m

Istanbul

Mon 9/7

4:25 am-6:01 pm

2 stops21h 36m

$1,158

ChicagoIstanbul

MDW - IST

MDWIST

Chicago Midway

Sat 8/15

1:51 pm-4:20 pm

2 stops18h 29m

Istanbul

Sat 8/22

6:00 am-6:33 pm

2 stops20h 33m

$1,207

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 Airport

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 Airport?

In general, March is the cheapest month to fly from Illinois to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $127. If you don’t want to visit Istanbul Airport in March, then you should wait until July to fly from Illinois, when ticket prices are also cheap, with an average price of $411.

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

Our data shows that Monday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $879. 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 $945.

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

In the morning is the cheapest time of day to fly from Illinois to Istanbul Airport when you can find flight prices for as low as $891. Flying to Istanbul Airport in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $921.

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 from Illinois to Istanbul Airport?

You are more likely to see cheaper flights to Istanbul Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $1,034 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from Illinois for as low as $834 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Istanbul Airport 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 Istanbul Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Illinois to Istanbul Airport flight.

Cheap Illinois to Istanbul Airport flight deals and tips

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

Best Price Found

$719

Fastest flight time

9h 25m

Direct flights

Every day
The best one-way flight to Istanbul Airport from Illinois in the past 72 hours is $719. The best round-trip flight deal from Illinois to Istanbul Airport found on momondo in the last 72 hours is $965.
The fastest flight from Illinois to Istanbul Airport takes 9h 25m
Direct flights go from Illinois to Istanbul Airport every day.
Search flight deals

Frequently asked questions about flying from Illinois to Istanbul Airport

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

    Prices for flights from Illinois to Istanbul Airport are refreshed on a daily basis.

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

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

    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 Illinois to Istanbul Airport.

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

    The travel and health documents required for your trip to Istanbul Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Istanbul Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Illinois to Istanbul Airport

Compare and see reviews for airlines that fly from Illinois to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
Royal JordanianPriceFrom $127Free CancellationRating
6.8
473 reviews
Search Royal Jordanian flights
British AirwaysPriceFrom $412Free CancellationRating
6.7
8,091 reviews
Search British Airways flights
IcelandairPriceFrom $421Free CancellationRating
7.0
697 reviews
Search Icelandair flights
Qatar AirwaysPriceFrom $529Free CancellationRating
7.3
3,741 reviews
Search Qatar Airways flights
Scandinavian AirlinesPriceFrom $541Free CancellationRating
7.4
1,862 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $577Free CancellationRating
7.8
8,454 reviews
Search Delta flights
Air SerbiaPriceFrom $578Free CancellationRating
6.1
232 reviews
Search Air Serbia flights
Turkish AirlinesPriceFrom $677Free CancellationRating
7.4
4,438 reviews
Search Turkish Airlines flights
KLMPriceFrom $720Free CancellationRating
7.8
1,532 reviews
Search KLM flights
LufthansaPriceFrom $735Free CancellationRating
6.8
8,108 reviews
Search Lufthansa flights

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

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

Finding the right flight to Istanbul from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Istanbul quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Illinois to Istanbul flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Istanbul from Illinois.

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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