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Cheap flights from Illinois to Istanbul from $250

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 9/27. 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
11:45 pm - 6:05 pmORD-IST
10h 20mnonstop
Logo
4:45 am - 3:08 pmIST-ORD
42h 23m2 stops
$574
Find Deal
Mon, Sep 22 - Tue, Oct 7
Logo
11:45 pm - 6:05 pmORD-IST
10h 20mnonstop
Logo
4:45 am - 3:08 pmIST-ORD
42h 23m2 stops
$575
Find Deal
Mon, Sep 22 - Tue, Oct 7
Lufthansa Logo
3:50 pm - 10:45 pmSTL-IST
21h 55m1 stop
Lufthansa Logo
6:30 am - 1:55 pmIST-STL
16h 25m1 stop
$624Lufthansa
Find Deal
Sun, Nov 2 - Wed, Nov 12
Air Canada Logo
4:05 pm - 11:25 pmSTL-IST
22h 20m2 stops
Air Canada Logo
9:25 pm - 3:29 pmIST-STL
51h 04m2 stops
$637Air Canada
Find Deal
Sun, Jan 18 - Mon, Feb 16
British Airways Logo
6:30 pm - 12:25 amSTL-IST
44h 55m2 stops
British Airways Logo
7:35 am - 9:49 pmIST-STL
23h 14m2 stops
$642British Airways
Find Deal
Tue, Dec 23 - Tue, Jan 20
Delta Logo
5:15 pm - 3:50 amSTL-IST
25h 35m2 stops
Delta Logo
4:50 am - 11:02 pmIST-STL
27h 12m2 stops
$647Delta
Find Deal
Sun, Nov 2 - Tue, Nov 11
Lufthansa Logo
3:50 pm - 6:05 pmSTL-IST
17h 15m1 stop
Lufthansa Logo
6:30 am - 9:10 pmIST-STL
23h 40m2 stops
$685Lufthansa
Find Deal
Sun, Jan 18 - Mon, Feb 16
Delta Logo
4:00 pm - 3:50 amSTL-IST
26h 50m2 stops
Delta Logo
4:50 am - 8:39 pmIST-STL
24h 49m2 stops
$697Delta
Find Deal
Sun, Jan 18 - Sun, Feb 15
British Airways Logo
3:59 pm - 12:20 amSTL-IST
24h 21m2 stops
British Airways Logo
8:25 am - 8:32 pmIST-STL
20h 07m2 stops
$875British Airways
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Fri, Sep 12 - Sat, Sep 27
Air Canada Logo
4:05 pm - 12:35 amSTL-IST
23h 30m2 stops
Air Canada Logo
3:10 pm - 12:20 pmIST-STL
30h 10m3 stops
$1,067Air Canada
Find Deal
Sun, Jan 18 - Fri, Jan 23

Lufthansa flights from Illinois to Istanbul

Our best Lufthansa deals on Illinois to Istanbul flight tickets
Lufthansa
Nov 2
STL3:50 pmLambert-St Louis
21h 55m
1 stop
IST10:45 pmIstanbul
Nov 12
IST6:30 amIstanbul
16h 25m
1 stop
STL1:55 pmLambert-St Louis
$624
Find similar
Lufthansa
Jan 18
STL3:50 pmLambert-St Louis
17h 15m
1 stop
IST6:05 pmIstanbul
Feb 16
IST6:30 amIstanbul
23h 40m
2 stops
STL9:10 pmLambert-St Louis
$685
Find similar
Lufthansa
Sep 30
STL5:28 pmLambert-St Louis
19h 52m
2 stops
IST9:20 pmIstanbul
Oct 15
IST6:10 amIstanbul
15h 20m
1 stop
STL1:30 pmLambert-St Louis
$937
Find similar

Icelandair flights from Illinois to Istanbul

Our best Icelandair deals on Illinois to Istanbul flight tickets
Icelandair
Oct 22
ORD7:25 pmChicago O'Hare Intl
20h 30m
1 stop
IST11:55 pmIstanbul
Nov 1
IST12:25 pmIstanbul
13h 55m
1 stop
ORD6:20 pmChicago O'Hare Intl
$680
Find similar
Icelandair
Jan 10
ORD6:30 pmChicago O'Hare Intl
20h 25m
1 stop
IST11:55 pmIstanbul
Jan 16
IST12:25 pmIstanbul
13h 55m
1 stop
ORD5:20 pmChicago O'Hare Intl
$696
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 August 12, 2025.
Use the filters below to find and compare flights from Illinois to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/22

11:45 pm-6:05 pm

Nonstop10h 20m

Istanbul

Tue 10/7

4:45 am-3:08 pm

2 stops42h 23m

$574

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/22

11:45 pm-6:05 pm

Nonstop10h 20m

Istanbul

Tue 10/7

4:45 am-3:08 pm

2 stops42h 23m

$575

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 11/2

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Wed 11/12

6:30 am-1:55 pm

1 stop16h 25m

$624

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

4:05 pm-11:25 pm

2 stops22h 20m

Istanbul

Mon 2/16

9:25 pm-3:29 pm

2 stops51h 04m

$637

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 12/23

6:30 pm-12:25 am

2 stops44h 55m

Istanbul

Tue 1/20

7:35 am-9:49 pm

2 stops23h 14m

$642

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 11/2

5:15 pm-3:50 am

2 stops25h 35m

Istanbul

Tue 11/11

4:50 am-11:02 pm

2 stops27h 12m

$647

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Mon 2/16

6:30 am-9:10 pm

2 stops23h 40m

$685

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

4:00 pm-3:50 am

2 stops26h 50m

Istanbul

Sun 2/15

4:50 am-8:39 pm

2 stops24h 49m

$697

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Fri 9/12

3:59 pm-12:20 am

2 stops24h 21m

Istanbul

Sat 9/27

8:25 am-8:32 pm

2 stops20h 07m

$875

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 1/18

4:05 pm-12:35 am

2 stops23h 30m

Istanbul

Fri 1/23

3:10 pm-12:20 pm

3 stops30h 10m

$1,067

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

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, January is the cheapest month to fly from Illinois to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $917. If you aren’t able to travel to Istanbul during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $927.

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

The cheapest day to depart from Illinois to Istanbul is on a Wednesday when prices can be found for as low as $913. 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 $1,015.

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 at noon. Flights from Illinois to Istanbul during this time can be as low as $682. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,032 on average. Flights to Istanbul from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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?

You are more likely to see cheaper flights to Istanbul from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul 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 from Illinois for as low as $896 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.

Cheap Illinois to Istanbul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Istanbul

Best Price Found

$250

Fastest flight time

10h 20m

Direct flights

Every day

Airports in Istanbul

2 airports
The best one-way flight to Istanbul from Illinois in the past 72 hours is $250. The best round-trip flight deal from Illinois to Istanbul found on momondo in the last 72 hours is $574.
The fastest flight from Illinois to Istanbul takes 10h 20m
Direct flights go from Illinois to Istanbul every day.
There are 2 airports near Istanbul: Istanbul Sabiha Gokcen (SAW), Istanbul (IST)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Istanbul?

    Prices for flights from Illinois to Istanbul are updated daily.

  • How many operators does momondo search for flights from Illinois to Istanbul?

  • How old do you have to be to fly from Illinois 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 Illinois 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 Illinois to Istanbul

Compare and see reviews for airlines that fly from Illinois to Istanbul with momondo
Airline
Rating
Free Cancellation
Price
Air SerbiaPriceFrom $382Free CancellationRating
6.2
199 reviews
Search Air Serbia flights
IcelandairPriceFrom $570Free CancellationRating
7.0
526 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $625Free CancellationRating
7.3
3,942 reviews
Search Turkish Airlines flights
LOTPriceFrom $683Free CancellationRating
7.6
1,107 reviews
Search LOT flights
American AirlinesPriceFrom $700Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $700Free CancellationRating
6.6
7,265 reviews
Search British Airways flights
DeltaPriceFrom $711Free CancellationRating
8.0
7,979 reviews
Search Delta flights
Etihad AirwaysPriceFrom $721Free CancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
Royal JordanianPriceFrom $747Free CancellationRating
6.8
421 reviews
Search Royal Jordanian flights
LufthansaPriceFrom $780Free CancellationRating
6.8
7,317 reviews
Search Lufthansa flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Istanbul. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Illinois to Istanbul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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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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