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Hannover

$302+ Cheap flights from Illinois to Hannover (HAJ)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HAJ
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Illinois to Hannover

Keep the following information in mind while searching for Illinois to Hannover flight deals. Data was last updated June 18, 2025.

Round-trip from

$600
(British Airways)

One-way from

$302
(Flightnetwork)

Popular in

May

Cheapest in

December

Average price

$1,311
From Illinois to Hannover
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One-way flight from Illinois to Hannover
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 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 Illinois to Hannover

Cheapest flights from Illinois to Hannover
Explore the most affordable flight options available from Illinois to Hannover. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

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.
Wed 8/134:55 pmORD - HAJ
1 stop21h 20mBritish Airways
Sat 8/239:30 pmHAJ - ORD
1 stop23h 20mBritish Airways
Deal found 6/18$600
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.
Wed 8/139:29 amORD - HAJ
2 stops17h 56mAmerican Airlines
Sat 8/239:30 pmHAJ - ORD
1 stop27h 45mAmerican Airlines
Deal found 6/18$603
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:25 amORD - HAJ
1 stop15h 10mTurkish Airlines
Sat 9/1310:30 amHAJ - ORD
1 stop18h 30mTurkish Airlines
Deal found 6/17$795
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/24:36 pmORD - HAJ
2 stops15h 49mMultiple Airlines
Sat 8/99:30 pmHAJ - ORD
2 stops28h 47mMultiple Airlines
Deal found 6/18$932
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.
Wed 8/136:17 pmMDW - HAJ
2 stops16h 28mDelta
Sat 8/236:00 amHAJ - MDW
2 stops18h 37mDelta
Deal found 6/16$964
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:15 pmORD - HAJ
2 stops19h 25mScandinavian Airlines
Thu 8/76:15 pmHAJ - ORD
2 stops28h 55mScandinavian Airlines
Deal found 6/17$1,180
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.
Thu 7/316:00 pmORD - HAJ
1 stop15h 30mUnited Airlines
Thu 8/78:45 amHAJ - ORD
1 stop11h 10mUnited Airlines
Deal found 6/16$1,389
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:46 pmMDW - HAJ
2 stops13h 34mKLM
Tue 8/510:50 amHAJ - MDW
2 stops14h 50mKLM
Deal found 6/16$1,409
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:40 amORD - HAJ
3 stops24h 50mTAP AIR PORTUGAL
Sat 8/235:15 pmHAJ - ORD
2 stops30h 00mTAP AIR PORTUGAL
Deal found 6/17$1,448
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/215:53 pmMDW - HAJ
2 stops14h 07mAir France
Wed 7/26:00 amHAJ - MDW
2 stops18h 40mAir France
Deal found 6/18$2,088
This AranGrant 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1610:15 pmORD - HAJ
2 stops28h 45mIcelandair
Wed 8/277:30 pmHAJ - ORD
2 stops32h 45mIcelandair
Deal found 6/17$2,729
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/212:13 pmORD - HAJ
2 stops27h 52mSingapore Airlines
Mon 7/146:50 pmHAJ - ORD
2 stops34h 38mSingapore Airlines
Deal found 6/18$2,817

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Hannover 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 June 18, 2025.
Use the filters below to find and compare flights from Illinois to Hannover that are best for you.

Fly from

Illinois

Fly to

Hannover

Route

Depart

Return

Price

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Wed 8/13

4:55 pm-9:15 pm

1 stop21h 20m

Hannover

Sat 8/23

9:30 pm-1:50 pm

1 stop23h 20m

$600

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Wed 8/13

9:29 am-10:25 am

2 stops17h 56m

Hannover

Sat 8/23

9:30 pm-6:15 pm

1 stop27h 45m

$603

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Wed 9/3

11:25 am-9:35 am

1 stop15h 10m

Hannover

Sat 9/13

10:30 am-10:00 pm

1 stop18h 30m

$795

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Sat 8/2

4:36 pm-3:25 pm

2 stops15h 49m

Hannover

Sat 8/9

9:30 pm-7:17 pm

2 stops28h 47m

$932

ChicagoHannover

MDW - HAJ

MDWHAJ

Chicago Midway

Wed 8/13

6:17 pm-5:45 pm

2 stops16h 28m

Hannover

Sat 8/23

6:00 am-5:37 pm

2 stops18h 37m

$964

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Thu 7/31

7:15 pm-9:40 pm

2 stops19h 25m

Hannover

Thu 8/7

6:15 pm-4:10 pm

2 stops28h 55m

$1,180

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Thu 7/31

6:00 pm-4:30 pm

1 stop15h 30m

Hannover

Thu 8/7

8:45 am-12:55 pm

1 stop11h 10m

$1,389

ChicagoHannover

MDW - HAJ

MDWHAJ

Chicago Midway

Tue 7/29

1:46 pm-10:20 am

2 stops13h 34m

Hannover

Tue 8/5

10:50 am-6:40 pm

2 stops14h 50m

$1,409

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Wed 8/13

8:40 am-4:30 pm

3 stops24h 50m

Hannover

Sat 8/23

5:15 pm-4:15 pm

2 stops30h 00m

$1,448

ChicagoHannover

ORD - HAJ

ORDHAJ

Chicago O'Hare Intl

Sat 8/16

10:15 pm-10:00 am

2 stops28h 45m

Hannover

Wed 8/27

7:30 pm-9:15 pm

2 stops32h 45m

$2,729

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 16 results
1
2

Best time to book a flight from Illinois to Hannover

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Hannover (average of $775). Flying from Illinois to Hannover in June is currently the most expensive (average of $1,240). 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.

What is the cheapest time of day to fly from IL to HAJ?

Find hourly flight availability from Illinois to Hannover. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Hannover as you normally would.

Rainfall in Hannover by month

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

In terms of precipitation, rainfall in Hannover ranges from 1.2 - 2.8 inches per month. July is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Hannover when rainfall is around 1.2 in.

Temperature in Hannover by month

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

If weather is an important factor for your trip to Hannover, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Hannover

Get insights into the airlines that provide service to Hannover. 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 Hannover. Reviews last updated June 18, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Delta and KLM from Illinois to Hannover 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

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very good
1,310 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Delta
8.0
Very good
7,964 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
KLM
7.8
Good
1,364 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Air France
7.5
Good
1,467 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
SWISS
7.5
Good
1,632 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Related info for your journey

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

    Most people fly into Hannover (HAJ) if they book a flight to Hannover from Illinois. Hannover is conveniently located just 6.4 mi from Hannover’s city center.

  • What are the cheapest airlines to fly from Illinois to Hannover one-way?

    The cheapest airlines for a one-way flight from Illinois to Hannover are British Airways ($302), Delta ($625), and American Airlines ($745).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Illinois to Hannover (average of $775). Flying from Illinois to Hannover in June is currently the most expensive (average of $1,240). 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

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Hildesheim
Celle

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Alternative routes for Illinois to Hannover

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Hannover

Discover the top 5 airlines that operate flights from Illinois to Hannover. 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$621Average$640FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$623Average$731FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$660Average$772FlexibilityNo cancel feeOn-time77%
DeltaCheapest$692Average$1,095FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$798Average$1,214FlexibilityNo cancel feeOn-time76%

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