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Cheap flights from Chicago O'Hare Intl Airport to Istanbul from $511

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 2/5. 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
12:50 pm - 5:45 pm
ORD
-
IST
20h 55m
2 stops
Multiple Airlines Logo
5:40 am - 12:55 pm
IST
-
ORD
15h 15m
1 stop
$669Multiple Airlines
Tue, Mar 10 - Tue, Mar 31
Multiple Airlines Logo
7:25 pm - 1:00 am
ORD
-
SAW
21h 35m
2 stops
Multiple Airlines Logo
9:20 am - 6:15 pm
SAW
-
ORD
16h 55m
2 stops
$670Multiple Airlines
Fri, Apr 17 - Sat, Apr 25
KLM Logo
4:20 pm - 1:20 am
ORD
-
IST
25h 00m
1 stop
KLM Logo
4:25 am - 3:10 pm
IST
-
ORD
18h 45m
1 stop
$671KLM
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
4:20 pm - 1:20 am
ORD
-
IST
25h 00m
1 stop
Multiple Airlines Logo
4:25 am - 3:10 pm
IST
-
ORD
18h 45m
1 stop
$672Multiple Airlines
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
2:00 pm - 5:55 pm
ORD
-
SAW
19h 55m
3 stops
Multiple Airlines Logo
6:35 pm - 1:20 pm
SAW
-
ORD
26h 45m
2 stops
$672Multiple Airlines
Wed, Mar 18 - Sun, Mar 29
KLM Logo
4:20 pm - 9:00 pm
ORD
-
SAW
20h 40m
1 stop
KLM Logo
8:50 am - 2:30 pm
SAW
-
ORD
13h 40m
1 stop
$673KLM
Tue, Apr 14 - Wed, Apr 29
Scandinavian Airlines Logo
10:40 am - 3:40 am
ORD
-
IST
33h 00m
2 stops
Scandinavian Airlines Logo
4:30 am - 9:56 pm
IST
-
ORD
25h 26m
2 stops
$673Scandinavian Airlines
Tue, Mar 31 - Thu, Apr 16
Lufthansa Logo
6:25 pm - 10:45 pm
ORD
-
IST
19h 20m
1 stop
Lufthansa Logo
7:00 pm - 12:10 pm
IST
-
ORD
25h 10m
1 stop
$674Lufthansa
Tue, Mar 3 - Mon, Mar 9
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
Mon, May 4 - Fri, May 15
Air Serbia Logo
5:30 pm - 4:25 am
ORD
-
IST
25h 55m
1 stop
Air Serbia Logo
5:20 am - 3:00 pm
IST
-
ORD
18h 40m
1 stop
$682Air Serbia
Sat, Feb 14 - Fri, Feb 20

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

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Istanbul flight tickets
Scandinavian Airlines
Mar 31
ORD10:40 amChicago O'Hare Intl
33h 00m
2 stops
IST3:40 amIstanbul
Apr 16
IST4:30 amIstanbul
25h 26m
2 stops
ORD9:56 pmChicago O'Hare Intl
$673
Scandinavian Airlines
May 4
ORD7:15 pmChicago O'Hare Intl
24h 25m
1 stop
IST3:40 amIstanbul
May 15
IST4:30 amIstanbul
19h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
$680
Scandinavian Airlines
May 5
ORD7:00 amChicago O'Hare Intl
36h 40m
2 stops
IST3:40 amIstanbul
May 15
IST4:30 amIstanbul
19h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
$683

LOT flights from Chicago O'Hare Intl Airport to Istanbul

Our best LOT deals on Chicago O'Hare Intl Airport to Istanbul flight tickets
LOT
Feb 1
ORD9:55 pmChicago O'Hare Intl
28h 25m
1 stop
IST11:20 amIstanbul
Feb 12
IST3:00 pmIstanbul
14h 00m
1 stop
ORD8:00 pmChicago O'Hare Intl
$767
LOT
Feb 1
ORD9:55 pmChicago O'Hare Intl
28h 25m
1 stop
IST11:20 amIstanbul
Feb 8
IST2:55 pmIstanbul
14h 05m
1 stop
ORD8:00 pmChicago O'Hare Intl
$768
LOT
Jan 30
ORD9:55 pmChicago O'Hare Intl
17h 45m
1 stop
IST12:40 amIstanbul
Feb 5
IST7:50 amIstanbul
21h 10m
1 stop
ORD8:00 pmChicago O'Hare Intl
$775

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Istanbul 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 24, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 3/10

12:50 pm-5:45 pm

2 stops20h 55m

Istanbul

Tue 3/31

5:40 am-12:55 pm

1 stop15h 15m

$669

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Fri 4/17

7:25 pm-1:00 am

2 stops21h 35m

Istanbul Sabiha Gokcen

Sat 4/25

9:20 am-6:15 pm

2 stops16h 55m

$670

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 4/14

4:20 pm-1:20 am

1 stop25h 00m

Istanbul

Tue 4/28

4:25 am-3:10 pm

1 stop18h 45m

$671

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 4/14

4:20 pm-1:20 am

1 stop25h 00m

Istanbul

Tue 4/28

4:25 am-3:10 pm

1 stop18h 45m

$672

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Wed 3/18

2:00 pm-5:55 pm

3 stops19h 55m

Istanbul Sabiha Gokcen

Sun 3/29

6:35 pm-1:20 pm

2 stops26h 45m

$672

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Tue 4/14

4:20 pm-9:00 pm

1 stop20h 40m

Istanbul Sabiha Gokcen

Wed 4/29

8:50 am-2:30 pm

1 stop13h 40m

$673

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 3/31

10:40 am-3:40 am

2 stops33h 00m

Istanbul

Thu 4/16

4:30 am-9:56 pm

2 stops25h 26m

$673

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 3/3

6:25 pm-10:45 pm

1 stop19h 20m

Istanbul

Mon 3/9

7:00 pm-12:10 pm

1 stop25h 10m

$674

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 5/4

7:15 pm-3:40 am

1 stop24h 25m

Istanbul

Fri 5/15

4:30 am-4:10 pm

1 stop19h 40m

$680

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 2/14

5:30 pm-4:25 am

1 stop25h 55m

Istanbul

Fri 2/20

5:20 am-3:00 pm

1 stop18h 40m

$682

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

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?

In general, November is the cheapest month to fly from Chicago O'Hare Intl Airport to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $846. If you aren’t able to travel to Istanbul during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $895.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Istanbul is on a Wednesday when prices can be found for as low as $902. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Friday is $998.

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

Our most recent data shows that the best time of day to fly to Istanbul is in the morning. Flights from Chicago O'Hare Intl Airport to Istanbul during this time can be as low as $918. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $955 on average. Flights to Istanbul from Chicago O'Hare Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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?

You are more likely to see cheaper flights to Istanbul from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul 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 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.

Cheap Chicago O'Hare Intl Airport to Istanbul flight deals and tips

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

Fastest flight time

10h 20m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from Chicago O'Hare Intl Airport to Istanbul takes 10h 20m
Direct flights go from Chicago O'Hare Intl Airport to Istanbul every day.
There are 2 airports in Istanbul. From Chicago O'Hare Intl Airport there are direct flights to Istanbul (IST).
Search flight deals

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

    Chicago O'Hare Intl and Istanbul are 5475.8 mi apart from one another. A reasonable flight in good conditions will take 10h 20m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Istanbul are refreshed on a daily basis.

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

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

    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.

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

    The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Istanbul with momondo
Airline
Rating
Free Cancellation
Price
Air SerbiaPriceFrom $382Free CancellationRating
6.2
214 reviews
Search Air Serbia flights
IcelandairPriceFrom $421Free CancellationRating
7.1
603 reviews
Search Icelandair flights
American AirlinesPriceFrom $524Free CancellationRating
7.2
11,196 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $583Free CancellationRating
7.3
4,207 reviews
Search Turkish Airlines flights
DeltaPriceFrom $586Free CancellationRating
7.9
8,115 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
1,375 reviews
Search Etihad Airways flights
LufthansaPriceFrom $771Free CancellationRating
6.8
7,748 reviews
Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Istanbul. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Istanbul from Chicago with this policy.

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

momondo provides multiple filters to help you find the best flight to Istanbul from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago to Istanbul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 20.9 mi from Istanbul
Istanbul Airport
Istanbul Sabiha Gokcen Airport