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$456+ Cheap flights from Hannover (HAJ) to Illinois

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
HAJ — ORD
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 junio 18, 2025.

Round-trip from

$510
(Billigflug)

One-way from

$456
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$635
From Hannover to Illinois
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One-way flight from Hannover to Illinois
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Highest demand for flights based on searches. 9% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 18, 2025.

This Billigflug deal was found by Cheapflights users on 6/18. 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.
lun. 6/3010:00 pmHAJ - ORD
1 stop20h 55mMultiple Airlines
lun. 7/75:40 pmORD - HAJ
1 stop20h 35mMultiple Airlines
Deal found 6/18$510
This United Airlines deal was found by Cheapflights users on 6/17. 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.
sáb. 9/136:00 amHAJ - ORD
2 stops21h 11mUnited Airlines
sáb. 9/274:00 pmORD - HAJ
1 stop15h 10mUnited Airlines
Deal found 6/17$526
This Flysmarter deal was found by Cheapflights users on 6/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:20 amHAJ - ORD
1 stop11h 40mLufthansa
dom. 9/283:35 pmORD - HAJ
1 stop13h 40mLufthansa
Deal found 6/16$527
This American Airlines deal was found by Cheapflights users on 6/18. 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.
lun. 6/3011:35 amHAJ - ORD
1 stop12h 25mAmerican Airlines
lun. 7/74:53 pmORD - HAJ
2 stops15h 57mAmerican Airlines
Deal found 6/18$530
This British Airways deal was found by Cheapflights users on 6/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/1410:00 pmHAJ - ORD
1 stop22h 50mBritish Airways
dom. 9/281:59 pmORD - HAJ
2 stops13h 46mBritish Airways
Deal found 6/18$532
This KLM deal was found by Cheapflights users on 6/18. 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.
dom. 6/296:00 amHAJ - ORD
1 stop15h 10mKLM
sáb. 7/54:20 pmORD - HAJ
1 stop11h 00mKLM
Deal found 6/18$540
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/136:00 amHAJ - ORD
2 stops17h 47mDelta
sáb. 9/275:20 pmORD - HAJ
2 stops14h 40mDelta
Deal found 6/16$541
This Delta deal was found by Cheapflights users on 6/17. 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.
lun. 6/306:00 amHAJ - MDW
2 stops19h 41mDelta
mar. 7/86:20 pmMDW - HAJ
2 stops13h 40mDelta
Deal found 6/17$547
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/113:15 pmHAJ - STL
2 stops31h 29mUnited Airlines
jue. 10/2311:39 amSTL - HAJ
2 stops14h 51mUnited Airlines
Deal found 6/16$627
This Flysmarter deal was found by Cheapflights users on 6/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:30 amHAJ - STL
2 stops20h 08mAir Canada
jue. 10/239:15 amSTL - HAJ
2 stops22h 00mAir Canada
Deal found 6/16$631
This British Airways deal was found by Cheapflights users on 6/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/119:30 pmHAJ - STL
2 stops25h 52mBritish Airways
jue. 10/234:52 pmSTL - HAJ
2 stops17h 23mBritish Airways
Deal found 6/17$669
This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/811:00 amHAJ - ORD
2 stops27h 59mAir Canada
mié. 8/63:35 pmORD - HAJ
2 stops15h 40mAir Canada
Deal found 6/16$760

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 junio 18, 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

lun. 6/30

10:00 pm-11:55 am

1 stop20h 55m

Chicago O'Hare Intl

lun. 7/7

5:40 pm-9:15 pm

1 stop20h 35m

$510

HannoverChicago

HAJ - ORD

HAJORD

Hannover

sáb. 9/13

6:00 am-8:11 pm

2 stops21h 11m

Chicago O'Hare Intl

sáb. 9/27

4:00 pm-2:10 pm

1 stop15h 10m

$526

HannoverChicago

HAJ - ORD

HAJORD

Hannover

dom. 9/14

6:20 am-11:00 am

1 stop11h 40m

Chicago O'Hare Intl

dom. 9/28

3:35 pm-12:15 pm

1 stop13h 40m

$527

HannoverChicago

HAJ - ORD

HAJORD

Hannover

lun. 6/30

11:35 am-5:00 pm

1 stop12h 25m

Chicago O'Hare Intl

lun. 7/7

4:53 pm-3:50 pm

2 stops15h 57m

$530

HannoverChicago

HAJ - ORD

HAJORD

Hannover

dom. 9/14

10:00 pm-1:50 pm

1 stop22h 50m

Chicago O'Hare Intl

dom. 9/28

1:59 pm-10:45 am

2 stops13h 46m

$532

HannoverChicago

HAJ - ORD

HAJORD

Hannover

dom. 6/29

6:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

sáb. 7/5

2:00 pm-10:20 am

2 stops13h 20m

$540

HannoverChicago

HAJ - ORD

HAJORD

Hannover

sáb. 9/13

6:00 am-4:47 pm

2 stops17h 47m

Chicago O'Hare Intl

sáb. 9/27

5:20 pm-3:00 pm

2 stops14h 40m

$541

HannoverChicago

HAJ - MDW

HAJMDW

Hannover

lun. 6/30

6:00 am-6:41 pm

2 stops19h 41m

Chicago Midway

mar. 7/8

6:20 pm-3:00 pm

2 stops13h 40m

$547

HannoverSt. Louis

HAJ - STL

HAJSTL

Hannover

sáb. 10/11

3:15 pm-3:44 pm

2 stops31h 29m

Lambert-St Louis

jue. 10/23

11:39 am-9:30 am

2 stops14h 51m

$627

HannoverSt. Louis

HAJ - STL

HAJSTL

Hannover

vie. 10/10

6:30 am-7:38 pm

2 stops20h 08m

Lambert-St Louis

jue. 10/23

9:15 am-2:15 pm

2 stops22h 00m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 27 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 junio 18, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Delta and KLM 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.
Singapore Airlines
8.1
Very good
1,310 reviews

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,310 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Delta
8.0
Very good
7,964 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
KLM
7.8
Good
1,364 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Austrian Airlines
7.6
Good
804 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
SWISS
7.5
Good
1,632 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 - Lambert-St Louis or Hannover - Chicago Midway.

  • 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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