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Cheap flights from Chicago O'Hare Intl Airport to Istanbul from $316

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 9/23. 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 (ORD-IST)

Cheap round-trip flights

Air France Logo
5:20 pm - 3:50 amORD-IST
25h 30m1 stop
Air France Logo
4:50 am - 4:48 pmIST-ORD
20h 58m2 stops
$756Air France
Find Deal
Sun, Nov 30 - Fri, Feb 27
Etihad Airways Logo
1:55 pm - 6:15 amORD-IST
32h 20m1 stop
Etihad Airways Logo
2:10 pm - 8:45 amIST-ORD
26h 35m1 stop
$757Etihad Airways
Find Deal
Mon, Sep 29 - Tue, Oct 14
Etihad Airways Logo
1:55 pm - 6:15 amORD-IST
32h 20m1 stop
Etihad Airways Logo
2:10 pm - 8:45 amIST-ORD
26h 35m1 stop
$758Etihad Airways
Find Deal
Wed, Sep 10 - Tue, Sep 30
Royal Jordanian Logo
6:50 pm - 9:05 pmORD-IST
17h 15m1 stop
Royal Jordanian Logo
10:10 pm - 3:05 pmIST-ORD
25h 55m1 stop
$774Royal Jordanian
Find Deal
Fri, Feb 13 - Sat, Feb 21
Lufthansa Logo
8:20 pm - 9:20 pmORD-IST
17h 00m2 stops
Lufthansa Logo
6:30 am - 1:10 pmIST-ORD
15h 40m1 stop
$778Lufthansa
Find Deal
Tue, Oct 21 - Tue, Nov 4
Delta Logo
4:25 pm - 4:55 pmORD-IST
15h 30m1 stop
Delta Logo
4:50 am - 3:10 pmIST-ORD
19h 20m1 stop
$784Delta
Find Deal
Sun, Dec 7 - Mon, Dec 15
Delta Logo
11:19 am - 3:50 amORD-IST
31h 31m2 stops
Delta Logo
4:50 am - 3:10 pmIST-ORD
19h 20m1 stop
$787Delta
Find Deal
Wed, Dec 3 - Thu, Feb 26
Lufthansa Logo
6:45 pm - 10:45 pmORD-IST
19h 00m2 stops
Lufthansa Logo
6:30 am - 1:10 pmIST-ORD
15h 40m1 stop
$790Lufthansa
Find Deal
Mon, Nov 3 - Fri, Nov 14
United Airlines Logo
4:20 pm - 5:45 pmORD-IST
16h 25m1 stop
United Airlines Logo
6:30 am - 3:20 pmIST-ORD
17h 50m1 stop
$804United Airlines
Find Deal
Tue, Dec 2 - Wed, Feb 25
United Airlines Logo
10:35 pm - 10:45 pmORD-IST
15h 10m1 stop
United Airlines Logo
6:30 am - 2:55 pmIST-ORD
17h 25m2 stops
$805United Airlines
Find Deal
Sun, Jan 4 - Fri, Jan 16

Air France flights from Chicago O'Hare Intl Airport to Istanbul Airport

Our best Air France deals on Chicago O'Hare Intl Airport to Istanbul Airport flight tickets
Air France
Nov 30
ORD5:20 pmChicago O'Hare Intl
25h 30m
1 stop
IST3:50 amIstanbul
Feb 27
IST4:50 amIstanbul
20h 58m
2 stops
ORD4:48 pmChicago O'Hare Intl
$756
Find similar
Air France
Jan 17
ORD5:55 pmChicago O'Hare Intl
24h 55m
2 stops
IST3:50 amIstanbul
Jan 20
IST4:50 amIstanbul
28h 04m
2 stops
ORD11:54 pmChicago O'Hare Intl
$799
Find similar

Etihad Airways flights from Chicago O'Hare Intl Airport to Istanbul Airport

Our best Etihad Airways deals on Chicago O'Hare Intl Airport to Istanbul Airport flight tickets
Etihad Airways
Sep 29
ORD1:55 pmChicago O'Hare Intl
32h 20m
1 stop
IST6:15 amIstanbul
Oct 14
IST2:10 pmIstanbul
26h 35m
1 stop
ORD8:45 amChicago O'Hare Intl
$757
Find similar
Etihad Airways
Sep 10
ORD1:55 pmChicago O'Hare Intl
32h 20m
1 stop
IST6:15 amIstanbul
Sep 30
IST2:10 pmIstanbul
26h 35m
1 stop
ORD8:45 amChicago O'Hare Intl
$758
Find similar
Etihad Airways
Sep 16
ORD1:55 pmChicago O'Hare Intl
39h 10m
1 stop
IST1:05 pmIstanbul
Oct 8
IST7:30 amIstanbul
33h 15m
1 stop
ORD8:45 amChicago O'Hare Intl
$771
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 August 28, 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 11/30

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Fri 2/27

4:50 am-4:48 pm

2 stops20h 58m

$756

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/29

1:55 pm-6:15 am

1 stop32h 20m

Istanbul

Tue 10/14

2:10 pm-8:45 am

1 stop26h 35m

$757

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 9/10

1:55 pm-6:15 am

1 stop32h 20m

Istanbul

Tue 9/30

2:10 pm-8:45 am

1 stop26h 35m

$758

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 2/13

6:50 pm-9:05 pm

1 stop17h 15m

Istanbul

Sat 2/21

10:10 pm-3:05 pm

1 stop25h 55m

$774

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 10/21

8:20 pm-9:20 pm

2 stops17h 00m

Istanbul

Tue 11/4

6:30 am-1:10 pm

1 stop15h 40m

$778

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 12/7

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Mon 12/15

4:50 am-3:10 pm

1 stop19h 20m

$784

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 12/3

11:19 am-3:50 am

2 stops31h 31m

Istanbul

Thu 2/26

4:50 am-3:10 pm

1 stop19h 20m

$787

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 11/3

6:45 pm-10:45 pm

2 stops19h 00m

Istanbul

Fri 11/14

6:30 am-1:10 pm

1 stop15h 40m

$790

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 12/2

4:20 pm-5:45 pm

1 stop16h 25m

Istanbul

Wed 2/25

6:30 am-3:20 pm

1 stop17h 50m

$804

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 1/4

10:35 pm-10:45 pm

1 stop15h 10m

Istanbul

Fri 1/16

6:30 am-2:55 pm

2 stops17h 25m

$805

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 $894. 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 $954.

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 $1,009.

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 $1,043 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 $896 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 August 2025, prices for Chicago O'Hare Intl Airport to Istanbul Airport flights are approximately 39% 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

$392

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 $392. The best round-trip flight deal from Chicago O'Hare Intl Airport to Istanbul Airport found on momondo in the last 72 hours is $633.
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
198 reviews
Search Air Serbia flights
IcelandairPriceFrom $570Free CancellationRating
7.0
534 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $626Free CancellationRating
7.3
3,954 reviews
Search Turkish Airlines flights
LOTPriceFrom $683Free CancellationRating
7.6
1,112 reviews
Search LOT flights
American AirlinesPriceFrom $700Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $700Free CancellationRating
6.7
7,316 reviews
Search British Airways flights
DeltaPriceFrom $711Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Etihad AirwaysPriceFrom $721Free CancellationRating
7.4
1,241 reviews
Search Etihad Airways flights
Royal JordanianPriceFrom $747Free CancellationRating
6.8
427 reviews
Search Royal Jordanian flights
KLMPriceFrom $753Free CancellationRating
7.8
1,382 reviews
Search KLM flights

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

    Turkish Airlines operates around 16 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 $1,065, but momondo users have found Turkish Airlines deals from Chicago O'Hare Intl Airport to Istanbul Airport from as low as $626 round-trip. Turkish Airlines has been scored 7.3/10 in 3,955 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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