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$523+ Cheap flights from Hannover (HAJ) 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
HAJ — ORD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Hannover to Illinois

Keep the following information in mind while searching for Hannover to Illinois flight deals. Data was last updated April 30, 2025.

Round-trip from

$523
(Billigflug)

Popular in

July

Cheapest in

November

Average price

$596
From Hannover to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Hannover to Illinois

Cheapest flights from Hannover to Illinois
Explore the most affordable flight options available from Hannover to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Billigflug deal was found by Cheapflights users on 4/29. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1910:00 pmHAJ - ORD
1 stop20h 45mMultiple Airlines
Tue 5/278:20 pmORD - HAJ
2 stops31h 05mMultiple Airlines
Deal found 4/29$523
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:00 pmHAJ - ORD
1 stop20h 50mAmerican Airlines
Sun 9/2810:08 amORD - HAJ
2 stops17h 37mAmerican Airlines
Deal found 4/30$524
This Flysmarter deal was found by Cheapflights users on 4/29. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:05 pmHAJ - ORD
2 stops22h 25mBritish Airways
Thu 5/157:10 pmORD - HAJ
1 stop19h 00mBritish Airways
Deal found 4/29$525
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/197:45 pmHAJ - ORD
1 stop23h 25mSWISS
Tue 5/277:05 pmORD - HAJ
1 stop11h 40mSWISS
Deal found 4/29$533
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 6/69:00 amHAJ - ORD
2 stops16h 35mUnited Airlines
Fri 6/133:00 pmORD - HAJ
2 stops16h 30mUnited Airlines
Deal found 4/30$550
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:50 amHAJ - MDW
2 stops17h 38mDelta
Mon 5/121:08 pmMDW - HAJ
2 stops14h 12mDelta
Deal found 4/29$552
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:50 amHAJ - ORD
2 stops14h 47mKLM
Mon 5/125:40 pmORD - HAJ
2 stops13h 05mKLM
Deal found 4/29$552
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:00 amHAJ - ORD
2 stops17h 45mDelta
Mon 5/125:40 pmORD - HAJ
2 stops13h 05mDelta
Deal found 4/30$553
This lastminute.com deal was found by Cheapflights users on 4/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:00 amHAJ - MDW
2 stops19h 28mMultiple Airlines
Thu 10/91:00 pmMDW - HAJ
2 stops19h 00mMultiple Airlines
Deal found 4/30$624
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/69:00 amHAJ - ORD
2 stops16h 35mLufthansa
Fri 6/134:05 pmORD - HAJ
2 stops17h 25mLufthansa
Deal found 4/29$634
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:00 amHAJ - ORD
2 stops18h 45mAustrian Airlines
Fri 6/134:05 pmORD - HAJ
2 stops34h 45mAustrian Airlines
Deal found 4/29$639
This Flighttix deal was found by Cheapflights users on 4/29. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:00 amHAJ - ORD
2 stops16h 12mAir Canada
Thu 5/157:00 amORD - HAJ
2 stops20h 15mAir Canada
Deal found 4/29$659

Cheapflights Fare Finder

Customize your flight search to find flights from Hannover 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 April 30, 2025.
Use the filters below to find and compare flights from Hannover to Illinois that are best for you.

Fly from

Hannover

Fly to

Illinois

Route

Depart

Return

Price

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Mon 5/19

10:00 pm-11:45 am

1 stop20h 45m

Chicago O'Hare Intl

Tue 5/27

8:20 pm-10:25 am

2 stops31h 05m

$523

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Sun 9/14

10:00 pm-11:50 am

1 stop20h 50m

Chicago O'Hare Intl

Sun 9/28

10:08 am-10:45 am

2 stops17h 37m

$524

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Sun 9/14

10:00 pm-1:50 pm

1 stop22h 50m

Chicago O'Hare Intl

Sun 9/28

4:59 pm-9:10 pm

2 stops21h 11m

$527

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Mon 5/19

7:45 pm-12:10 pm

1 stop23h 25m

Chicago O'Hare Intl

Tue 5/27

7:05 pm-1:45 pm

1 stop11h 40m

$533

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Fri 6/6

9:00 am-6:35 pm

2 stops16h 35m

Chicago O'Hare Intl

Fri 6/13

3:00 pm-2:30 pm

2 stops16h 30m

$550

HannoverChicago

HAJ - MDW

HAJMDW

Hannover

Tue 8/12

10:50 am-6:03 pm

2 stops14h 13m

Chicago Midway

Fri 10/10

9:20 am-10:20 am

2 stops18h 00m

$552

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Mon 5/19

2:15 pm-11:58 pm

2 stops16h 43m

Chicago O'Hare Intl

Tue 5/27

5:40 pm-1:45 pm

2 stops13h 05m

$552

HannoverChicago

HAJ - MDW

HAJMDW

Hannover

Mon 8/11

6:00 am-6:28 pm

2 stops19h 28m

Chicago Midway

Thu 10/9

1:00 pm-3:00 pm

2 stops19h 00m

$624

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Fri 6/6

8:15 pm-1:20 pm

1 stop24h 05m

Chicago O'Hare Intl

Fri 6/13

4:05 pm-9:50 am

2 stops34h 45m

$634

HannoverChicago

HAJ - ORD

HAJORD

Hannover

Fri 6/6

6:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Tue 6/10

4:20 pm-10:20 am

1 stop11h 00m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 22 results
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Best time to book a flight from Hannover to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Hannover 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 Hannover to Illinois

What is the cheapest month to book a flight from Hannover to Illinois?

Currently, August is the cheapest month in which you can book a flight from Hannover to Illinois (average of $245). Flying from Hannover to Illinois in March is currently the most expensive (average of $321). 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.

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 April 30, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Hannover to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,935 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,935 reviews
Delta
8.0
Very good
7,935 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,935 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,935 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,935 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,935 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Hannover 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 Hannover to Illinois?

    For a flight from Hannover to Illinois, you will be flying from Hannover. Hannover (HAJ) is just 6.4 mi from the center of the city.

  • What are the most popular routes from Hannover to Illinois?

    The most popular route from Hannover to Illinois is Hannover - Chicago O'Hare Intl. You may also consider Hannover - Chicago Midway or Hannover - Lambert-St Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hannover 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 Hannover to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Hannover to Illinois (average of $245). Flying from Hannover to Illinois in March is currently the most expensive (average of $321). 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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