HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$639+ Cheap flights from Baku Heydar Aliyev Airport (GYD) to Illinois

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
GYD — ORD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baku to Illinois 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 Baku to Illinois

Keep the following information in mind while searching for Baku to Illinois flight deals. Data was last updated March 31, 2025.

Round-trip from

$639
(FlightHub)

Popular in

August

Cheapest in

March

Average price

$626
From Baku Heydar Aliyev to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Baku to Illinois

Cheapest flights from Baku to Illinois
Explore the most affordable flight options available from Baku to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:35 amGYD - ORD
1 stop17h 45mLOT
Sun 9/282:05 pmORD - GYD
1 stop30h 05mLOT
Deal found 3/30$639
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:20 amGYD - ORD
1 stop19h 35mLufthansa
Sat 9/2710:30 pmORD - GYD
1 stop16h 00mLufthansa
Deal found 3/30$704
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:20 amGYD - ORD
2 stops26h 51mMultiple Airlines
Sat 9/279:15 pmORD - GYD
2 stops41h 40mMultiple Airlines
Deal found 3/30$761
This Turkish Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 9/82:35 amGYD - ORD
1 stop16h 05mTurkish Airlines
Wed 9/2411:45 pmORD - GYD
1 stop20h 30mTurkish Airlines
Deal found 3/30$949
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/22:05 pmGYD - ORD
1 stop34h 00mQatar Airways
Wed 4/237:20 pmORD - GYD
1 stop32h 15mQatar Airways
Deal found 3/31$1,092

Cheapflights Fare Finder

Customize your flight search to find flights from Baku to Illinois 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 March 31, 2025.
Use the filters below to find and compare flights from Baku Heydar Aliyev Airport to Illinois that are best for you.

Fly from

Baku

Fly to

Illinois

Route

Depart

Return

Price

BakuChicago

GYD - ORD

GYDORD

Baku Heydar Aliyev

Wed 9/10

3:35 am-3:10 pm

1 stop20h 35m

Chicago O'Hare Intl

Fri 9/26

9:40 pm-2:25 am

1 stop19h 45m

$639

BakuChicago

GYD - ORD

GYDORD

Baku Heydar Aliyev

Thu 9/11

2:20 am-12:55 pm

1 stop19h 35m

Chicago O'Hare Intl

Sat 9/27

10:30 pm-11:30 pm

1 stop16h 00m

$704

BakuChicago

GYD - ORD

GYDORD

Baku Heydar Aliyev

Thu 9/11

2:20 am-12:55 pm

1 stop19h 35m

Chicago O'Hare Intl

Sat 9/27

9:15 pm-11:55 pm

2 stops41h 40m

$733

BakuChicago

GYD - ORD

GYDORD

Baku Heydar Aliyev

Mon 9/8

2:35 am-9:40 am

1 stop16h 05m

Chicago O'Hare Intl

Wed 9/24

11:45 pm-5:15 am

1 stop20h 30m

$949

BakuChicago

GYD - ORD

GYDORD

Baku Heydar Aliyev

Fri 9/12

2:05 pm-12:40 pm

2 stops31h 35m

Chicago O'Hare Intl

Sat 9/27

6:00 am-12:35 pm

2 stops21h 35m

$1,370

BakuChicago

GYD - ORD

GYDORD

Baku Heydar Aliyev

Mon 9/15

10:40 pm-6:05 am

3 stops40h 25m

Chicago O'Hare Intl

Mon 9/29

5:51 pm-8:40 pm

3 stops41h 49m

$6,513

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Best time to book a flight from Baku to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Baku 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 Baku Heydar Aliyev Airport to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated March 31, 2025.
LOT
7.6
Good
1,065 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2024

WAW - LAX

It was a small jet plane and they spoke very fast, difficult to understand flight departure instructions in English.
LOT
7.6
Good
1,065 reviews
LOT
7.6
Good
1,065 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2024

WAW - LAX

It was a small jet plane and they spoke very fast, difficult to understand flight departure instructions in English.
China Southern
7.5
Good
94 reviews
LOT
7.6
Good
1,065 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2024

WAW - LAX

It was a small jet plane and they spoke very fast, difficult to understand flight departure instructions in English.
Qatar Airways
7.4
Good
3,541 reviews
LOT
7.6
Good
1,065 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2024

WAW - LAX

It was a small jet plane and they spoke very fast, difficult to understand flight departure instructions in English.
Turkish Airlines
7.3
Good
3,748 reviews
LOT
7.6
Good
1,065 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2024

WAW - LAX

It was a small jet plane and they spoke very fast, difficult to understand flight departure instructions in English.
Lufthansa
6.7
Okay
6,961 reviews
LOT
7.6
Good
1,065 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2024

WAW - LAX

It was a small jet plane and they spoke very fast, difficult to understand flight departure instructions in English.

Related info for your journey

Find useful and relevant information for your journey from Baku to Illinois. 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 from for flights from Baku to Illinois?

    Located just 12.0 mi from the city center, Baku Heydar Aliyev (GYD) is the airport most travelers will use when flying to Illinois from Baku.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baku to Illinois 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 Baku Heydar Aliyev Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Baku Heydar Aliyev Airport to Illinois (average of $245). Flying from Baku Heydar Aliyev Airport to Illinois in March is currently the most expensive (average of $323). 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

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.

Top airline flying from Baku to Illinois

Discover the top airline that operate flights from Baku to Illinois. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$901Average$924FlexibilityNo 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.