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$367+ Cheap flights from Illinois to Baku Heydar Aliyev Airport (GYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GYD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Illinois to Baku

Keep the following information in mind while searching for Illinois to Baku flight deals. Data was last updated September 16, 2025.

Round-trip from

$761
(FlightHub)

One-way from

$367
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$1,429
From Illinois to Baku Heydar Aliyev
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One-way flight from Illinois to Baku Heydar Aliyev
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Highest demand for flights based on searches. 15% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Illinois to Baku

Cheapest flights from Illinois to Baku
Explore the most affordable flight options available from Illinois to Baku. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:45 pmORD - GYD
1 stop16h 50mTurkish Airlines
Tue 10/284:20 amGYD - ORD
1 stop15h 45mTurkish Airlines
Deal found 9/16$761
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:55 pmORD - GYD
1 stop22h 20mLOT
Tue 11/1812:00 pmGYD - ORD
1 stop18h 00mLOT
Deal found 9/16$775
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:20 pmORD - GYD
1 stop19h 45mTurkish Airlines
Mon 11/174:20 amGYD - ORD
1 stop15h 45mTurkish Airlines
Deal found 9/16$784
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:55 pmORD - GYD
1 stop22h 20mLOT
Thu 11/612:00 pmGYD - ORD
1 stop18h 00mLOT
Deal found 9/15$785
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:50 amORD - GYD
1 stop18h 55mTurkish Airlines
Mon 11/1010:05 pmGYD - ORD
1 stop30h 20mTurkish Airlines
Deal found 9/16$798
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:50 pmORD - GYD
1 stop20h 45mTurkish Airlines
Wed 10/294:20 amGYD - ORD
1 stop24h 05mTurkish Airlines
Deal found 9/14$807
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:50 amORD - GYD
1 stop23h 15mTurkish Airlines
Sat 11/154:20 amGYD - ORD
1 stop15h 45mTurkish Airlines
Deal found 9/16$816
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:50 pmORD - GYD
1 stop35h 05mTurkish Airlines
Mon 10/274:20 amGYD - ORD
1 stop15h 45mTurkish Airlines
Deal found 9/14$821
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:50 pmORD - GYD
1 stop20h 45mTurkish Airlines
Sun 10/198:50 pmGYD - ORD
1 stop34h 10mTurkish Airlines
Deal found 9/14$825
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:45 pmORD - GYD
1 stop16h 50mTurkish Airlines
Fri 10/244:55 pmGYD - ORD
1 stop25h 45mTurkish Airlines
Deal found 9/16$831
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:45 pmORD - GYD
1 stop20h 30mTurkish Airlines
Sat 10/258:50 pmGYD - ORD
1 stop31h 35mTurkish Airlines
Deal found 9/14$839
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:50 pmORD - GYD
1 stop32h 10mTurkish Airlines
Wed 11/54:20 amGYD - ORD
1 stop24h 05mTurkish Airlines
Deal found 9/15$857

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Baku 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Illinois to Baku Heydar Aliyev Airport that are best for you.

Fly from

Illinois

Fly to

Baku

Route

Depart

Return

Price

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Thu 10/30

10:55 pm-6:15 am

1 stop22h 20m

Baku Heydar Aliyev

Thu 11/6

12:00 pm-8:00 pm

1 stop18h 00m

$785

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Thu 10/23

7:50 pm-1:35 am

1 stop20h 45m

Baku Heydar Aliyev

Wed 10/29

4:20 am-7:25 pm

1 stop24h 05m

$807

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Wed 10/22

7:50 pm-3:55 pm

1 stop35h 05m

Baku Heydar Aliyev

Mon 10/27

4:20 am-11:05 am

1 stop15h 45m

$821

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Sun 10/12

7:50 pm-1:35 am

1 stop20h 45m

Baku Heydar Aliyev

Sun 10/19

8:50 pm-10:00 pm

1 stop34h 10m

$825

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Sat 10/18

11:45 pm-5:15 am

1 stop20h 30m

Baku Heydar Aliyev

Sat 10/25

8:50 pm-7:25 pm

1 stop31h 35m

$839

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Sat 1/17

8:20 pm-2:05 am

1 stop19h 45m

Baku Heydar Aliyev

Thu 1/22

4:20 am-6:25 pm

1 stop24h 05m

$844

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Thu 10/30

12:50 pm-6:00 am

1 stop32h 10m

Baku Heydar Aliyev

Wed 11/5

4:20 am-6:25 pm

1 stop24h 05m

$857

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Thu 11/20

11:50 am-2:05 am

1 stop28h 15m

Baku Heydar Aliyev

Fri 11/28

4:20 am-10:05 am

1 stop15h 45m

$862

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Thu 10/16

11:25 am-3:55 pm

1 stop19h 30m

Baku Heydar Aliyev

Fri 10/24

6:15 am-5:55 pm

1 stop20h 40m

$879

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Thu 10/30

7:50 pm-2:50 am

3 stops22h 00m

Baku Heydar Aliyev

Wed 11/5

4:05 am-6:25 pm

3 stops24h 20m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 17 results
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Best time to book a flight from Illinois to Baku

Have a flexible travel schedule? Discover the best time to fly to Baku from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Baku Heydar Aliyev Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Baku. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Baku from Illinois?

    Baku Heydar Aliyev (GYD) is the airport you will fly into if you book a flight from Illinois to Baku. It is only a 12.0 mi journey from Heydar Aliyev (GYD) to Baku’s city center.

  • How long is the flight from Illinois to Baku Heydar Aliyev Airport?

    A quick flight from Illinois to Baku Heydar Aliyev Airport can take about 20h 45m. LOT provides one of the quickest options available for as low as $807. The distance from Illinois to Baku Heydar Aliyev Airport is about 6159 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Illinois to Baku that include hotel bookings?

    Yes. In addition to deals on Illinois to Baku flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Baku?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Baku.

  • Can I find deals for business class flights from Illinois to Baku?

    Yes. Cheapflights offers flight deals from Illinois to Baku by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Baku Heydar Aliyev Airport?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Baku Heydar Aliyev Airport (average of $782). Flying from Illinois to Baku Heydar Aliyev Airport in December is currently the most expensive (average of $1,347). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Illinois to Baku

Discover the top airline that operate flights from Illinois to Baku. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$684Average$855FlexibilityNo cancel feeOn-time77%

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