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Cheap flights from Sheffield to Illinois from £257

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — ORD
4 May — 11 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 29 April 2025.

Round-trip from

£484

One-way from

£257

Popular in

July

Cheapest in

February

Average price

£550
7/6-23/6
  • 7/6-23/6
  • 4 total stops
  • 43h 15m total
  • Sheffield to Illinois
Search Deals
15/5
  • 15/5
  • 2 total stops
  • 45h 11m 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 29 April 2025.

Sat 7/618:15MAN - ORD
2 stops24h 40mMultiple Airlines
Mon 23/619:05ORD - MAN
2 stops18h 35mMultiple Airlines
Deal found 28/4£484
Wed 10/919:10MAN - ORD
1 stop27h 00mScandinavian Airlines
Sun 14/919:15ORD - MAN
1 stop32h 15mScandinavian Airlines
Deal found 27/4£489
Mon 1/908:55MAN - ORD
1 stop13h 00mBritish Airways
Wed 24/922:35ORD - MAN
1 stop11h 00mBritish Airways
Deal found 28/4£495
Wed 17/906:05MAN - ORD
2 stops14h 45mUnited Airlines
Wed 24/913:00ORD - MAN
2 stops15h 20mUnited Airlines
Deal found 27/4£516
Fri 26/912:35MAN - MDW
1 stop15h 09mVirgin Atlantic
Tue 30/913:00MDW - MAN
2 stops15h 20mVirgin Atlantic
Deal found 29/4£529
Sun 11/505:55MAN - ORD
1 stop14h 15mDelta
Sun 18/507:00ORD - MAN
1 stop18h 45mDelta
Deal found 27/4£541
Fri 26/905:55MAN - MDW
2 stops18h 41mDelta
Tue 30/917:59MDW - MAN
2 stops13h 26mDelta
Deal found 29/4£544
Sat 29/1111:55MAN - ORD
1 stop11h 25mIcelandair
Fri 12/1218:30ORD - MAN
1 stop10h 15mIcelandair
Deal found 28/4£560
Mon 1/906:05MAN - ORD
2 stops14h 46mAir Canada
Fri 12/918:30ORD - MAN
1 stop9h 50mAir Canada
Deal found 28/4£575
Mon 2/606:00MAN - ORD
1 stop19h 55mLufthansa
Sat 21/620:25ORD - MAN
1 stop31h 55mLufthansa
Deal found 28/4£580
Tue 27/520:40MAN - ORD
1 stop23h 30mVirgin Atlantic
Wed 18/613:45ORD - MAN
1 stop12h 50mVirgin Atlantic
Deal found 28/4£622
Tue 27/508:50MAN - ORD
1 stop13h 05mSWISS
Tue 3/614:20ORD - MAN
1 stop21h 35mSWISS
Deal found 29/4£623

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 29 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

Sat 7/6

18:15-12:55

2 stops24h 40m

Chicago O'Hare Intl

Mon 23/6

19:05-19:40

2 stops18h 35m

£484

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 10/9

19:10-16:10

1 stop27h 00m

Chicago O'Hare Intl

Sun 14/9

19:15-09:30

1 stop32h 15m

£489

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sat 10/5

07:00-14:40

1 stop13h 40m

Chicago O'Hare Intl

Thu 15/5

19:10-22:00

1 stop20h 50m

£494

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 17/9

06:05-14:50

2 stops14h 45m

Chicago O'Hare Intl

Wed 24/9

13:00-10:20

2 stops15h 20m

£516

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Fri 26/9

12:35-21:44

1 stop15h 09m

Chicago Midway

Tue 30/9

13:00-10:20

2 stops15h 20m

£529

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sun 11/5

05:55-14:10

1 stop14h 15m

Chicago O'Hare Intl

Sun 18/5

07:00-07:45

1 stop18h 45m

£541

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Fri 26/9

05:55-18:36

2 stops18h 41m

Chicago Midway

Tue 30/9

17:59-13:25

2 stops13h 26m

£544

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 1/9

06:05-14:51

2 stops14h 46m

Chicago O'Hare Intl

Fri 12/9

18:30-10:20

1 stop9h 50m

£575

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 2/6

06:00-19:55

1 stop19h 55m

Chicago O'Hare Intl

Sat 21/6

20:25-10:20

1 stop31h 55m

£580

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 27/5

20:40-14:10

1 stop23h 30m

Chicago O'Hare Intl

Wed 18/6

13:45-08:35

1 stop12h 50m

£622

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 41 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 29 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 29 April 2025.
Read through reviews of airlines operating flights from Sheffield to Illinois, such as Delta, KLM and SWISS. 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
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

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 £415 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £465 and Aer Lingus from £530 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£359Average£491FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£368Average£520FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£422Average£611FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£437Average£961FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£465Average£637FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£481Average£623FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£488Average£612FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£495Average£660FlexibilityNo 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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