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Cheap flights from Illinois to Istanbul from $251

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 9/10. 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 Istanbul

Cheap round-trip flights

Logo
10:15 pm - 3:50 amORD-IST
21h 35m2 stops
Logo
4:45 am - 9:15 pmIST-ORD
24h 30m2 stops
$621
Find Deal
mié., oct. 8 - mié., oct. 15
Lufthansa Logo
3:50 pm - 10:45 pmSTL-IST
21h 55m1 stop
Lufthansa Logo
6:30 am - 1:55 pmIST-STL
16h 25m1 stop
$622Lufthansa
Find Deal
dom., nov. 2 - mié., nov. 12
Air Canada Logo
4:05 pm - 12:55 amSTL-IST
23h 50m2 stops
Air Canada Logo
8:00 pm - 3:29 pmIST-STL
52h 29m2 stops
$636Air Canada
Find Deal
dom., ene. 18 - lun., feb. 16
British Airways Logo
6:30 pm - 12:25 amSTL-IST
44h 55m2 stops
British Airways Logo
7:35 am - 8:23 pmIST-STL
21h 48m2 stops
$641British Airways
Find Deal
mar., dic. 23 - mar., ene. 20
Turkish Airlines Logo
11:25 am - 5:45 amORD-IST
10h 20mnonstop
Turkish Airlines Logo
6:30 am - 9:40 amIST-ORD
11h 10mnonstop
$657Turkish Airlines
Find Deal
mié., oct. 8 - mié., oct. 15
Turkish Airlines Logo
11:45 pm - 6:05 pmORD-IST
10h 20mnonstop
Turkish Airlines Logo
7:35 am - 10:05 amIST-ORD
11h 30mnonstop
$659Turkish Airlines
Find Deal
mié., oct. 22 - mar., nov. 4
United Airlines Logo
3:50 pm - 10:45 pmSTL-IST
21h 55m1 stop
United Airlines Logo
6:30 am - 1:55 pmIST-STL
16h 25m1 stop
$675United Airlines
Find Deal
vie., ene. 2 - vie., feb. 13
United Airlines Logo
3:50 pm - 6:05 pmSTL-IST
17h 15m1 stop
United Airlines Logo
6:30 am - 3:29 pmIST-STL
41h 59m2 stops
$680United Airlines
Find Deal
dom., ene. 18 - lun., feb. 16
British Airways Logo
3:59 pm - 12:20 amSTL-IST
24h 21m2 stops
British Airways Logo
8:20 am - 8:32 pmIST-STL
20h 12m2 stops
$814British Airways
Find Deal
vie., sep. 5 - vie., sep. 12
Air Canada Logo
4:00 pm - 7:05 pmSTL-IST
19h 05m2 stops
Air Canada Logo
8:25 pm - 7:57 pmIST-STL
31h 32m2 stops
$1,156Air Canada
Find Deal
sáb., ago. 30 - lun., sep. 8

Turkish Airlines flights from Illinois to Istanbul Airport

Our best Turkish Airlines deals on Illinois to Istanbul Airport flight tickets
Turkish Airlines
Oct 8
ORD11:25 amChicago O'Hare Intl
10h 20m
IST5:45 amIstanbul
Oct 15
IST6:30 amIstanbul
11h 10m
ORD9:40 amChicago O'Hare Intl
$657
Find similar
Turkish Airlines
Oct 22
ORD11:45 pmChicago O'Hare Intl
10h 20m
IST6:05 pmIstanbul
Nov 4
IST7:35 amIstanbul
11h 30m
ORD10:05 amChicago O'Hare Intl
$659
Find similar
Turkish Airlines
Nov 4
ORD11:50 amChicago O'Hare Intl
10h 20m
IST7:10 amIstanbul
Nov 11
IST7:35 amIstanbul
11h 30m
ORD10:05 amChicago O'Hare Intl
$660
Find similar

Delta flights from Illinois to Istanbul Airport

Our best Delta deals on Illinois to Istanbul Airport flight tickets
Delta
Jan 18
STL5:45 pmLambert-St Louis
25h 05m
2 stops
IST3:50 amIstanbul
Feb 15
IST4:50 amIstanbul
24h 49m
2 stops
STL8:39 pmLambert-St Louis
$686
Find similar
Delta
Jan 7
MDW9:30 amChicago Midway
33h 20m
2 stops
IST3:50 amIstanbul
Jan 21
IST4:50 amIstanbul
22h 18m
2 stops
MDW6:08 pmChicago Midway
$796
Find similar
Delta
Sep 2
STL3:30 pmLambert-St Louis
27h 55m
2 stops
IST3:25 amIstanbul
Sep 13
IST4:20 amIstanbul
20h 28m
2 stops
STL4:48 pmLambert-St Louis
$807
Find similar

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 agosto 7, 2025.
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

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

mié. 10/8

10:15 pm-3:50 am

2 stops21h 35m

Istanbul

mié. 10/15

4:45 am-9:15 pm

2 stops24h 30m

$621

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

dom. 11/2

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

mié. 11/12

6:30 am-1:55 pm

1 stop16h 25m

$622

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

dom. 1/18

4:05 pm-12:55 am

2 stops23h 50m

Istanbul

lun. 2/16

8:00 pm-3:29 pm

2 stops52h 29m

$636

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

mar. 12/23

6:30 pm-12:25 am

2 stops44h 55m

Istanbul

mar. 1/20

7:35 am-8:23 pm

2 stops21h 48m

$641

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

mié. 10/8

11:25 am-5:45 am

Nonstop10h 20m

Istanbul

mié. 10/15

6:30 am-9:40 am

Nonstop11h 10m

$657

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

mié. 10/22

11:45 pm-6:05 pm

Nonstop10h 20m

Istanbul

mar. 11/4

7:35 am-10:05 am

Nonstop11h 30m

$659

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

vie. 1/2

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

vie. 2/13

6:30 am-1:55 pm

1 stop16h 25m

$675

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

dom. 1/18

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

lun. 2/16

6:30 am-3:29 pm

2 stops41h 59m

$680

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

vie. 9/5

3:59 pm-12:20 am

2 stops24h 21m

Istanbul

vie. 9/12

8:20 am-8:32 pm

2 stops20h 12m

$814

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

sáb. 8/30

4:00 pm-7:05 pm

2 stops19h 05m

Istanbul

lun. 9/8

8:25 pm-7:57 pm

2 stops31h 32m

$1,156

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, January 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 $913. If you don’t want to visit Istanbul Airport in January, then you should wait until November to fly from Illinois, when ticket prices are also cheap, with an average price of $933.

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

Our data shows that Wednesday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $917. 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 $1,020.

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

At noon is the cheapest time of day to fly from Illinois to Istanbul Airport when you can find flight prices for as low as $682. Flying to Istanbul Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $1,032.

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 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 $1,049 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 $914 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.

Can stopping save me money on Illinois to Istanbul Airport flights?

No. A direct flight is the cheapest option for a flight between Illinois to Istanbul Airport.

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

$251

Fastest flight time

10h 20m

Direct flights

Every day
The best one-way flight to Istanbul Airport from Illinois in the past 72 hours is $251. The best round-trip flight deal from Illinois to Istanbul Airport found on momondo in the last 72 hours is $621.
The fastest flight from Illinois to Istanbul Airport takes 10h 20m
Direct flights go from Illinois to Istanbul Airport every day.
Search flight deals

  • 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
Air SerbiaPriceFrom $382Free CancellationRating
6.3
197 reviews
Search Air Serbia flights
IcelandairPriceFrom $570Free CancellationRating
7.0
524 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $626Free CancellationRating
7.3
3,932 reviews
Search Turkish Airlines flights
LOTPriceFrom $683Free CancellationRating
7.6
1,105 reviews
Search LOT flights
American AirlinesPriceFrom $700Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $700Free CancellationRating
6.6
7,245 reviews
Search British Airways flights
DeltaPriceFrom $711Free CancellationRating
8.0
7,985 reviews
Search Delta flights
Etihad AirwaysPriceFrom $721Free CancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
Royal JordanianPriceFrom $747Free CancellationRating
6.8
418 reviews
Search Royal Jordanian flights
LufthansaPriceFrom $776Free CancellationRating
6.8
7,296 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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