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Cheap flights from Chicago O'Hare Intl Airport to Istanbul from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Istanbul departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
4:25 pm - 4:55 pmORD-IST
15h 30m1 stop
KLM Logo
5:55 pm - 2:20 pmIST-ORD
29h 25m1 stop
$726KLM
Find Deal
Sun, Nov 16 - Tue, Nov 25
KLM Logo
3:50 pm - 4:55 pmORD-IST
16h 05m2 stops
KLM Logo
5:55 pm - 2:20 pmIST-ORD
29h 25m1 stop
$730KLM
Find Deal
Fri, Nov 28 - Sat, Dec 6
Lufthansa Logo
9:50 pm - 10:45 pmORD-IST
15h 55m2 stops
Lufthansa Logo
6:30 am - 1:10 pmIST-ORD
15h 40m1 stop
$742Lufthansa
Find Deal
Tue, Feb 3 - Wed, Mar 4
Turkish Airlines Logo
9:20 pm - 4:00 pmORD-IST
10h 40mnonstop
Turkish Airlines Logo
7:35 am - 11:05 amIST-ORD
11h 30mnonstop
$743Turkish Airlines
Find Deal
Wed, Mar 11 - Thu, Mar 19
Lufthansa Logo
9:50 pm - 10:45 pmORD-IST
15h 55m2 stops
Lufthansa Logo
6:30 am - 8:05 pmIST-ORD
22h 35m1 stop
$746Lufthansa
Find Deal
Sun, Feb 15 - Wed, Feb 25
Turkish Airlines Logo
11:50 am - 7:10 amORD-IST
10h 20mnonstop
Turkish Airlines Logo
3:35 pm - 6:25 pmIST-ORD
11h 50mnonstop
$747Turkish Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 25
Delta Logo
7:00 am - 4:55 pmORD-IST
24h 55m2 stops
Delta Logo
4:50 am - 3:10 pmIST-ORD
19h 20m1 stop
$758Delta
Find Deal
Sat, Dec 27 - Tue, Feb 10
Delta Logo
7:00 am - 4:55 pmORD-IST
24h 55m2 stops
Delta Logo
5:55 pm - 2:20 pmIST-ORD
29h 25m1 stop
$759Delta
Find Deal
Sat, Dec 27 - Fri, Feb 13
LOT Logo
9:55 pm - 11:20 amORD-IST
28h 25m1 stop
LOT Logo
7:50 am - 8:00 pmIST-ORD
21h 10m1 stop
$761LOT
Find Deal
Sun, Dec 28 - Wed, Feb 18
LOT Logo
9:55 pm - 11:20 amORD-IST
28h 25m1 stop
LOT Logo
6:30 pm - 8:00 pmIST-ORD
34h 30m1 stop
$776LOT
Find Deal
Sun, Nov 30 - Mon, Dec 8

United Airlines flights from Chicago O'Hare Intl Airport to Istanbul Airport

Our best United Airlines deals on Chicago O'Hare Intl Airport to Istanbul Airport flight tickets
United Airlines
Dec 29
ORD4:20 pmChicago O'Hare Intl
21h 25m
1 stop
IST10:45 pmIstanbul
Feb 6
IST6:30 amIstanbul
34h 35m
2 stops
ORD8:05 amChicago O'Hare Intl
$770
Find similar
United Airlines
Mar 11
ORD4:20 pmChicago O'Hare Intl
22h 25m
1 stop
IST10:45 pmIstanbul
Mar 19
IST6:30 amIstanbul
21h 30m
2 stops
ORD8:00 pmChicago O'Hare Intl
$771
Find similar
United Airlines
Dec 29
ORD10:35 pmChicago O'Hare Intl
15h 10m
1 stop
IST10:45 pmIstanbul
Jan 14
IST6:30 amIstanbul
23h 36m
2 stops
ORD9:06 pmChicago O'Hare Intl
$781
Find similar

Turkish Airlines flights from Chicago O'Hare Intl Airport to Istanbul Airport

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Istanbul Airport flight tickets
Turkish Airlines
Mar 11
ORD9:20 pmChicago O'Hare Intl
10h 40m
IST4:00 pmIstanbul
Mar 19
IST7:35 amIstanbul
11h 30m
ORD11:05 amChicago O'Hare Intl
$743
Find similar
Turkish Airlines
Nov 15
ORD11:50 amChicago O'Hare Intl
10h 20m
IST7:10 amIstanbul
Nov 25
IST3:35 pmIstanbul
11h 50m
ORD6:25 pmChicago O'Hare Intl
$747
Find similar
Turkish Airlines
Nov 30
ORD11:50 amChicago O'Hare Intl
10h 20m
IST7:10 amIstanbul
Dec 26
IST7:35 amIstanbul
11h 30m
ORD10:05 amChicago O'Hare Intl
$748
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 October 23, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 11/16

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Tue 11/25

5:55 pm-2:20 pm

1 stop29h 25m

$726

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 11/28

3:50 pm-4:55 pm

2 stops16h 05m

Istanbul

Sat 12/6

5:55 pm-2:20 pm

1 stop29h 25m

$730

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 2/3

9:50 pm-10:45 pm

2 stops15h 55m

Istanbul

Wed 3/4

6:30 am-1:10 pm

1 stop15h 40m

$742

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 3/11

9:20 pm-4:00 pm

Nonstop10h 40m

Istanbul

Thu 3/19

7:35 am-11:05 am

Nonstop11h 30m

$743

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 2/15

9:50 pm-10:45 pm

2 stops15h 55m

Istanbul

Wed 2/25

6:30 am-8:05 pm

1 stop22h 35m

$746

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 11/15

11:50 am-7:10 am

Nonstop10h 20m

Istanbul

Tue 11/25

3:35 pm-6:25 pm

Nonstop11h 50m

$747

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 12/27

7:00 am-4:55 pm

2 stops24h 55m

Istanbul

Tue 2/10

4:50 am-3:10 pm

1 stop19h 20m

$758

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 12/27

7:00 am-4:55 pm

2 stops24h 55m

Istanbul

Fri 2/13

5:55 pm-2:20 pm

1 stop29h 25m

$759

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 12/28

9:55 pm-11:20 am

1 stop28h 25m

Istanbul

Wed 2/18

7:50 am-8:00 pm

1 stop21h 10m

$761

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 11/30

9:55 pm-11:20 am

1 stop28h 25m

Istanbul

Mon 12/8

6:30 pm-8:00 pm

1 stop34h 30m

$776

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 Chicago O'Hare Intl Airport 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, November is the cheapest month to fly from Chicago O'Hare Intl Airport to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $890. If you don’t want to visit Istanbul Airport in November, then you should wait until October to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $901.

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 $904. On the other hand, Friday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,008.

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 Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl to Istanbul flight route?

Fly from Chicago O'Hare Intl to Istanbul for the best Chicago O'Hare Intl - 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 Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $1,036 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from Chicago O'Hare Intl Airport for as low as $876 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Istanbul flights?

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

How have Chicago O'Hare Intl Airport to Istanbul Airport flight prices changed over time?

As of October 2025, prices for Chicago O'Hare Intl Airport to Istanbul Airport flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Istanbul Airport (ORD to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Istanbul Airport

Best Price Found

$444

Fastest flight time

10h 20m

Direct flights

Every day
The best one-way flight to Istanbul Airport from Chicago O'Hare Intl Airport in the past 72 hours is $444. The best round-trip flight deal from Chicago O'Hare Intl Airport to Istanbul Airport found on momondo in the last 72 hours is $686.
The fastest flight from Chicago O'Hare Intl Airport to Istanbul Airport takes 10h 20m
Direct flights go from Chicago O'Hare Intl Airport to Istanbul Airport every day.
Search flight deals

  • How far is Chicago O'Hare Intl to Istanbul by plane?

    There are 5455.1 mi between Chicago O'Hare Intl and Istanbul. Typically, this will take 10h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Istanbul Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Istanbul Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Istanbul Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Istanbul Airport?

    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 Chicago O'Hare Intl Airport to Istanbul Airport.

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

    The travel and health documents you'll need for your trip to Istanbul Airport 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 Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Istanbul Airport?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Istanbul Airport?

Best airlines flying from Chicago O'Hare Intl Airport to Istanbul Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
Air SerbiaPriceFrom $382Free CancellationRating
6.2
203 reviews
Search Air Serbia flights
IcelandairPriceFrom $480Free CancellationRating
7.1
561 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $644Free CancellationRating
7.3
4,023 reviews
Search Turkish Airlines flights
LOTPriceFrom $683Free CancellationRating
7.6
1,134 reviews
Search LOT flights
British AirwaysPriceFrom $708Free CancellationRating
6.7
7,469 reviews
Search British Airways flights
KLMPriceFrom $720Free CancellationRating
7.7
1,405 reviews
Search KLM flights
Etihad AirwaysPriceFrom $721Free CancellationRating
7.4
1,282 reviews
Search Etihad Airways flights
Royal JordanianPriceFrom $742Free CancellationRating
6.8
431 reviews
Search Royal Jordanian flights
DeltaPriceFrom $772Free CancellationRating
7.9
7,982 reviews
Search Delta flights
LufthansaPriceFrom $780Free CancellationRating
6.8
7,518 reviews
Search Lufthansa flights

  • Turkish Airlines Flights From Chicago O'Hare Intl Airport to Istanbul Airport

    Turkish Airlines operates around 13 flights from Chicago O'Hare Intl Airport to Istanbul Airport every week. The average price of these flights found in the last 72 hours has been $1,043, but momondo users have found Turkish Airlines deals from Chicago O'Hare Intl Airport to Istanbul Airport from as low as $644 round-trip. Turkish Airlines has been scored 7.3/10 in 4,023 reviews.

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
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Why use momondo?

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

It is quick and easy to find Chicago to Istanbul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Istanbul that suits you.

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

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

How can momondo help me find flights from Chicago 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 Chicago to Istanbul.

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

Of course. momondo tracks the price of Chicago to Istanbul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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