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Cheap flights from Sheffield to Illinois from £231

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — ORD
29 Apr — 6 May1
1 adult

Cheap flight deals from Sheffield to Illinois

Keep the following information in mind while searching for Sheffield to Illinois flight deals. Data was last updated 24 April 2025.

Round-trip from

£487

One-way from

£231

Popular in

July

Cheapest in

February

Average price

£558
21/5-28/5
  • 21/5-28/5
  • 4 total stops
  • 54h 10m total
  • Sheffield to Illinois
Search Deals
7/6
  • 7/6
  • 2 total stops
  • 30h 17m total
  • Sheffield to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Sheffield to Illinois

Cheapest flights from Sheffield to Illinois
Explore the most affordable flight options available from Sheffield to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

Wed 21/515:15MAN - ORD
2 stops36h 00mMultiple Airlines
Wed 28/519:25ORD - MAN
2 stops18h 10mMultiple Airlines
Deal found 23/4£487
Fri 17/1019:10MAN - ORD
1 stop27h 00mScandinavian Airlines
Fri 31/1020:20ORD - MAN
2 stops31h 20mScandinavian Airlines
Deal found 24/4£492
Mon 1/908:00MAN - ORD
1 stop11h 50mBritish Airways
Wed 24/917:45ORD - MAN
1 stop10h 05mBritish Airways
Deal found 24/4£498
Mon 1/907:00MAN - ORD
2 stops19h 17mFinnair
Wed 24/922:35ORD - MAN
1 stop14h 15mFinnair
Deal found 23/4£516
Wed 14/506:05MAN - ORD
2 stops20h 07mUnited Airlines
Wed 21/520:25ORD - MAN
2 stops30h 00mUnited Airlines
Deal found 23/4£525
Tue 16/913:05MAN - ORD
1 stop11h 10mIcelandair
Tue 30/919:25ORD - MAN
1 stop10h 15mIcelandair
Deal found 24/4£529
Wed 17/905:55MAN - MDW
2 stops18h 41mVirgin Atlantic
Mon 22/913:00MDW - MAN
2 stops15h 20mVirgin Atlantic
Deal found 24/4£531
Mon 1/906:05MAN - ORD
2 stops14h 46mAir Canada
Wed 24/914:00ORD - MAN
2 stops14h 25mAir Canada
Deal found 24/4£546
Mon 1/905:55MAN - MDW
2 stops18h 33mDelta
Wed 24/913:00MDW - MAN
2 stops15h 20mDelta
Deal found 24/4£549
Mon 1/905:55MAN - ORD
2 stops18h 45mDelta
Wed 24/913:35ORD - MAN
2 stops14h 45mDelta
Deal found 23/4£552
Mon 2/606:00MAN - ORD
1 stop12h 55mLufthansa
Sat 21/621:14ORD - MAN
1 stop30h 46mLufthansa
Deal found 24/4£583
Wed 14/505:55MAN - ORD
1 stop14h 45mVirgin Atlantic
Wed 21/513:45ORD - MAN
2 stops14h 35mVirgin Atlantic
Deal found 24/4£593

Cheapflights Fare Finder

Customise your flight search to find flights from Sheffield 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 858,174 searches. Data last updated 24 April 2025.
Use the filters below to find and compare flights from Sheffield to Illinois that are best for you.

Fly from

Sheffield

Fly to

Illinois

Route

Depart

Return

Price

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 21/5

15:15-21:15

2 stops36h 00m

Chicago O'Hare Intl

Wed 28/5

19:25-19:35

2 stops18h 10m

£487

ManchesterChicago

MAN - ORD

MANORD

Manchester

Fri 17/10

19:10-16:10

1 stop27h 00m

Chicago O'Hare Intl

Fri 31/10

20:20-08:40

2 stops31h 20m

£492

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 1/9

08:00-13:50

1 stop11h 50m

Chicago O'Hare Intl

Wed 24/9

17:45-09:50

1 stop10h 05m

£498

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 1/9

07:00-20:17

2 stops19h 17m

Chicago O'Hare Intl

Wed 24/9

22:35-18:50

1 stop14h 15m

£516

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 14/5

06:05-20:12

2 stops20h 07m

Chicago O'Hare Intl

Wed 21/5

20:25-08:25

2 stops30h 00m

£525

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 16/9

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Tue 30/9

19:25-11:40

1 stop10h 15m

£529

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Wed 17/9

05:55-18:36

2 stops18h 41m

Chicago Midway

Mon 22/9

13:00-10:20

2 stops15h 20m

£531

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 1/9

06:05-14:51

2 stops14h 46m

Chicago O'Hare Intl

Wed 24/9

14:00-10:25

2 stops14h 25m

£546

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Mon 1/9

05:55-18:28

2 stops18h 33m

Chicago Midway

Wed 24/9

13:00-10:20

2 stops15h 20m

£549

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 1/9

05:55-18:40

2 stops18h 45m

Chicago O'Hare Intl

Wed 24/9

13:35-10:20

2 stops14h 45m

£552

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 44 results
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Best time to book a flight from Sheffield to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Sheffield with our price prediction graph.
Estimated return 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 Sheffield to Illinois

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

Currently, January is the cheapest month in which you can book a flight from Sheffield to Illinois (average of £595). Flying from Sheffield to Illinois in July is currently the most expensive (average of £843). 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 SH9 to IL?

Find hourly flight availability from Sheffield to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 April 2025.

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

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 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 24 April 2025.
Read through reviews of airlines operating flights from Sheffield to Illinois, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
1,333 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
1,582 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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 Sheffield to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    One-way options have recently been found by users for as low as £410 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from £439 and Aer Lingus from £507 one-way.

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sheffield to Illinois (average of £595). Flying from Sheffield to Illinois in July is currently the most expensive (average of £843). 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

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Alternative routes for Sheffield to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Sheffield to Illinois

Discover the top 8 airlines that operate flights from Sheffield 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 858,174 searches. Data last updated 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£362Average£495FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£371Average£523FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£424Average£612FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£438Average£968FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£468Average£648FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£485Average£628FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£492Average£619FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£498Average£665FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sheffield to Illinois?

Cheapflights makes it easy to find Sheffield to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sheffield to Illinois?

Cheapflights simply makes it quick and affordable to book flights from Sheffield to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Sheffield to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sheffield to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sheffield to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Sheffield to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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