HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baku

$738+ Cheap flights from Illinois to Baku Heydar Aliyev Airport (GYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GYD
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Baku with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 1, 2026.

This Justfly.com deal was found by Cheapflights users on 1/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:25 am
ORD
-
GYD
1 stop19h 25m
Turkish Airlines
Sun 4/196:10 am
GYD
-
ORD
1 stop36h 30m
Turkish Airlines
Deal found 1/31$738
This FlightHub deal was found by Cheapflights users on 2/1. 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 2/511:50 am
ORD
-
GYD
1 stop14h 40m
Turkish Airlines
Sat 2/75:45 pm
GYD
-
ORD
1 stop26h 20m
Turkish Airlines
Deal found 2/1$751
This oojo deal was found by Cheapflights users on 2/1. 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.
Wed 3/1812:50 pm
ORD
-
GYD
1 stop14h 40m
Turkish Airlines
Wed 3/255:45 pm
GYD
-
ORD
1 stop26h 20m
Turkish Airlines
Deal found 2/1$756
This deal was found by Cheapflights users on 1/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:50 am
ORD
-
GYD
1 stop18h 55m
Turkish Airlines
Wed 3/47:55 am
GYD
-
ORD
1 stop20h 30m
Turkish Airlines
Deal found 1/31$784
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:25 am
STL
-
GYD
2 stops28h 10m
United Airlines
Sun 2/224:40 am
GYD
-
STL
2 stops25h 43m
United Airlines
Deal found 1/30$818
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:40 pm
ORD
-
GYD
2 stops44h 15m
United Airlines
Sat 4/182:20 am
GYD
-
ORD
1 stop17h 40m
United Airlines
Deal found 1/31$886
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:35 pm
ORD
-
GYD
1 stop17h 00m
United Airlines
Wed 3/254:45 am
GYD
-
ORD
2 stops23h 06m
United Airlines
Deal found 2/1$893
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:15 am
ORD
-
GYD
2 stops29h 20m
Multiple Airlines
Wed 3/254:05 am
GYD
-
ORD
3 stops26h 00m
Multiple Airlines
Deal found 2/1$916
This deal was found by Cheapflights users on 1/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:20 pm
ORD
-
GYD
1 stop14h 45m
Turkish Airlines
Sat 2/144:20 am
GYD
-
ORD
1 stop15h 45m
Turkish Airlines
Deal found 1/31$924
This FlightHub deal was found by Cheapflights users on 2/1. 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 3/2212:50 pm
ORD
-
GYD
1 stop23h 15m
Turkish Airlines
Sun 3/298:50 pm
GYD
-
ORD
1 stop21h 50m
Turkish Airlines
Deal found 2/1$971
This KAYAK deal was found by Cheapflights users on 1/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:05 am
STL
-
GYD
2 stops18h 25m
Turkish Airlines
Fri 2/134:20 am
GYD
-
STL
2 stops20h 09m
Turkish Airlines
Deal found 1/31$993
This Turkish Airlines deal was found by Cheapflights users on 1/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:20 pm
ORD
-
GYD
1 stop14h 45m
Turkish Airlines
Thu 3/57:55 am
GYD
-
ORD
1 stop20h 30m
Turkish Airlines
Deal found 1/30$1,089

Find flight deals from Illinois to Baku

Keep the following information in mind while searching for Illinois to Baku flight deals. Data was last updated February 1, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$738
(Justfly.com)

Popular in

June

Cheapest in

February

Average price

$683
Provider with most accurate pricing for Chicago (CHI)-Baku (BAK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Baku (BAK) flights.
Search Deals
From Illinois to Baku Heydar Aliyev
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 1, 2026.
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

Wed 3/18

12:50 pm-12:30 pm

1 stop14h 40m

Baku Heydar Aliyev

Wed 3/25

5:45 pm-11:05 am

1 stop26h 20m

$756

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Wed 2/25

11:50 am-4:45 pm

1 stop18h 55m

Baku Heydar Aliyev

Wed 3/4

7:55 am-6:25 pm

1 stop20h 30m

$784

St. LouisBaku

STL - GYD

STLGYD

Lambert-St Louis

Thu 2/19

11:25 am-1:35 am

2 stops28h 10m

Baku Heydar Aliyev

Sun 2/22

4:40 am-8:23 pm

2 stops25h 43m

$818

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Sun 4/12

6:40 pm-11:55 pm

2 stops44h 15m

Baku Heydar Aliyev

Sat 4/18

2:20 am-11:00 am

1 stop17h 40m

$886

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Wed 3/18

11:35 pm-1:35 am

1 stop17h 00m

Baku Heydar Aliyev

Wed 3/25

4:45 am-6:51 pm

2 stops23h 06m

$893

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Sun 3/22

12:50 pm-9:05 pm

1 stop23h 15m

Baku Heydar Aliyev

Sun 3/29

8:50 pm-9:40 am

1 stop21h 50m

$971

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Sun 3/1

8:20 pm-9:05 pm

1 stop14h 45m

Baku Heydar Aliyev

Thu 3/5

7:55 am-6:25 pm

1 stop20h 30m

$1,089

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Mon 5/18

7:25 pm-3:05 am

3 stops22h 40m

Baku Heydar Aliyev

Tue 6/30

9:25 pm-2:50 pm

1 stop26h 25m

$1,113

ChicagoBaku

ORD - GYD

ORDGYD

Chicago O'Hare Intl

Wed 3/18

7:15 am-2:50 am

3 stops34h 35m

Baku Heydar Aliyev

Wed 3/25

4:05 am-9:05 pm

3 stops26h 00m

$1,143

St. LouisBaku

STL - GYD

STLGYD

Lambert-St Louis

Tue 7/14

3:30 pm-11:35 pm

1 stop23h 05m

Baku Heydar Aliyev

Mon 7/27

2:20 am-1:25 pm

1 stop20h 05m

$4,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 11 results
1
2

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 14h 40m. Turkish Airlines provides one of the quickest options available for as low as $756. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Baku

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Baku flights
Dulles Intl to Baku flights
Newark to Baku flights
LaGuardia to Baku flights
Reagan-National to Baku flights
Boston to Baku flights
O'Hare Intl to Baku flights
Atlanta to Baku flights
Los Angeles to Baku flights
San Francisco to Baku flights
Miami to Baku flights
Seattle to Baku flights
Hobby to Baku flights
George Bush Intcntl to Baku flights
Baltimore to Baku flights
Raleigh to Baku flights
Tampa to Baku flights
Austin to Baku flights
Dallas/Fort Worth to Baku flights
Cincinnati to Baku flights
Oakland to Baku flights
Grand Rapids to Baku flights
Detroit to Baku flights
Denver to Baku flights
San Jose to Baku flights
St. Louis to Baku flights
Portland to Baku flights

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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$759Average$861FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights