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Cheap flights from Chicago O'Hare Intl Airport to Istanbul from $515

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 2/17. 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.
Multiple Airlines Logo
8:40 am - 4:55 pm
ORD
-
IST
24h 15m
2 stops
Multiple Airlines Logo
1:55 pm - 7:55 pm
IST
-
ORD
14h 00m
1 stop
$677Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
KLM Logo
2:10 pm - 4:20 pm
ORD
-
IST
18h 10m
2 stops
KLM Logo
5:20 pm - 2:15 pm
IST
-
ORD
28h 55m
1 stop
$679KLM
Mon, Apr 6 - Mon, Apr 20
Scandinavian Airlines Logo
7:15 pm - 3:40 am
ORD
-
IST
24h 25m
1 stop
Scandinavian Airlines Logo
4:30 am - 4:10 pm
IST
-
ORD
19h 40m
1 stop
$680Scandinavian Airlines
Wed, Apr 1 - Wed, Sep 30
Multiple Airlines Logo
4:25 pm - 4:55 pm
ORD
-
IST
15h 30m
1 stop
Multiple Airlines Logo
4:50 am - 4:41 pm
IST
-
ORD
20h 51m
2 stops
$681Multiple Airlines
Mon, Feb 2 - Wed, Feb 11
KLM Logo
4:25 pm - 4:55 pm
ORD
-
IST
15h 30m
1 stop
KLM Logo
4:50 am - 5:10 pm
IST
-
ORD
20h 20m
2 stops
$682KLM
Sun, Mar 1 - Tue, Mar 10
Lufthansa Logo
11:35 pm - 10:45 pm
ORD
-
IST
15h 10m
1 stop
Lufthansa Logo
3:45 am - 6:15 pm
IST
-
ORD
22h 30m
1 stop
$683Lufthansa
Wed, Mar 18 - Tue, Apr 14
KLM Logo
1:26 pm - 4:20 pm
ORD
-
IST
18h 54m
2 stops
KLM Logo
5:20 pm - 2:30 pm
IST
-
ORD
29h 10m
1 stop
$684KLM
Mon, Apr 13 - Tue, Apr 21
Lufthansa Logo
9:40 pm - 2:05 am
ORD
-
IST
20h 25m
1 stop
Lufthansa Logo
3:45 am - 2:00 pm
IST
-
ORD
18h 15m
1 stop
$685Lufthansa
Sun, Apr 5 - Wed, Apr 15
Multiple Airlines Logo
2:05 pm - 4:55 pm
ORD
-
IST
17h 50m
2 stops
Multiple Airlines Logo
4:50 am - 4:41 pm
IST
-
ORD
20h 51m
2 stops
$686Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Multiple Airlines Logo
11:18 am - 4:55 pm
ORD
-
IST
20h 37m
2 stops
Multiple Airlines Logo
4:50 am - 5:43 pm
IST
-
ORD
21h 53m
2 stops
$687Multiple Airlines
Mon, Feb 16 - Mon, Feb 23

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
Jan 29
ORD11:50 amChicago O'Hare Intl
10h 20m
IST7:10 amIstanbul
Feb 28
IST7:35 amIstanbul
11h 30m
ORD10:05 amChicago O'Hare Intl
$694
Turkish Airlines
Apr 8
ORD7:50 pmChicago O'Hare Intl
10h 50m
IST2:40 pmIstanbul
Apr 18
IST6:30 amIstanbul
11h 10m
ORD9:40 amChicago O'Hare Intl
$695
Turkish Airlines
Jan 31
ORD11:50 amChicago O'Hare Intl
10h 20m
IST7:10 amIstanbul
Feb 5
IST7:35 amIstanbul
11h 30m
ORD10:05 amChicago O'Hare Intl
$717

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

Our best British Airways deals on Chicago O'Hare Intl Airport to Istanbul Airport flight tickets
British Airways
Mar 3
ORD4:10 pmChicago O'Hare Intl
16h 35m
2 stops
IST5:45 pmIstanbul
Mar 13
IST8:10 amIstanbul
19h 35m
1 stop
ORD7:45 pmChicago O'Hare Intl
$688
British Airways
Feb 18
ORD9:45 pmChicago O'Hare Intl
17h 40m
1 stop
IST12:25 amIstanbul
Mar 2
IST6:40 pmIstanbul
28h 10m
1 stop
ORD1:50 pmChicago O'Hare Intl
$689
British Airways
Feb 18
ORD5:10 pmChicago O'Hare Intl
15h 15m
1 stop
IST5:25 pmIstanbul
Feb 23
IST6:40 pmIstanbul
33h 05m
1 stop
ORD6:45 pmChicago O'Hare Intl
$692

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 January 21, 2026.
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

Tue 4/21

8:40 am-4:55 pm

2 stops24h 15m

Istanbul

Tue 4/28

1:55 pm-7:55 pm

1 stop14h 00m

$677

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 4/6

2:10 pm-4:20 pm

2 stops18h 10m

Istanbul

Mon 4/20

5:20 pm-2:15 pm

1 stop28h 55m

$679

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 4/1

7:15 pm-3:40 am

1 stop24h 25m

Istanbul

Wed 9/30

4:30 am-4:10 pm

1 stop19h 40m

$680

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 2/2

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Wed 2/11

4:50 am-4:41 pm

2 stops20h 51m

$681

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 3/1

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Tue 3/10

4:50 am-5:10 pm

2 stops20h 20m

$682

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 3/18

11:35 pm-10:45 pm

1 stop15h 10m

Istanbul

Tue 4/14

3:45 am-6:15 pm

1 stop22h 30m

$683

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 4/13

1:26 pm-4:20 pm

2 stops18h 54m

Istanbul

Tue 4/21

5:20 pm-2:30 pm

1 stop29h 10m

$684

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 4/5

9:40 pm-2:05 am

1 stop20h 25m

Istanbul

Wed 4/15

3:45 am-2:00 pm

1 stop18h 15m

$685

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 2/17

2:05 pm-4:55 pm

2 stops17h 50m

Istanbul

Tue 2/24

4:50 am-4:41 pm

2 stops20h 51m

$686

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 2/16

11:18 am-4:55 pm

2 stops20h 37m

Istanbul

Mon 2/23

4:50 am-5:43 pm

2 stops21h 53m

$687

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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Istanbul Airport?

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 $846. If you don’t want to visit Istanbul Airport in November, then you should wait until January to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $895.

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 $902. 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 $998.

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 Chicago O'Hare Intl Airport to Istanbul Airport when you can find flight prices for as low as $921. 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 $957.

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 $1,022 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 $850 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.

Can stopping save me money on Chicago O'Hare Intl Airport to Istanbul Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Istanbul Airport flight.

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

As of January 2026, prices for Chicago O'Hare Intl Airport to Istanbul Airport flights are approximately 5% more expensive 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

$519

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 $519. The best round-trip flight deal from Chicago O'Hare Intl Airport to Istanbul Airport found on momondo in the last 72 hours is $699.
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
6.1
213 reviews
Search Air Serbia flights
IcelandairPriceFrom $421Free CancellationRating
7.1
602 reviews
Search Icelandair flights
American AirlinesPriceFrom $524Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $583Free CancellationRating
7.3
4,200 reviews
Search Turkish Airlines flights
DeltaPriceFrom $586Free CancellationRating
7.9
8,088 reviews
Search Delta flights
KLMPriceFrom $719Free CancellationRating
7.7
1,442 reviews
Search KLM flights
Royal JordanianPriceFrom $733Free CancellationRating
6.8
453 reviews
Search Royal Jordanian flights
LOTPriceFrom $738Free CancellationRating
7.5
1,174 reviews
Search LOT flights
Etihad AirwaysPriceFrom $757Free CancellationRating
7.3
1,374 reviews
Search Etihad Airways flights
LufthansaPriceFrom $771Free CancellationRating
6.8
7,738 reviews
Search Lufthansa flights

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

    Turkish Airlines operates around 14 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 $999, but momondo users have found Turkish Airlines deals from Chicago O'Hare Intl Airport to Istanbul Airport from as low as $583 round-trip. Turkish Airlines has been scored 7.3/10 in 4,200 reviews.

Traveling to a place near Istanbul?

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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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