Find flights
When to book
Airlines
FAQs

Cheap flights from Sheffield to Illinois from £256

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — ORD
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

£482

One-way from

£256

Popular in

July

Cheapest in

February

Average price

£703
Icelandair
  • Icelandair
  • 29/8-1/9
  • 4 total stops
  • 58h 34m total
  • Sheffield to Illinois
Search Deals
28/8
  • 28/8
  • 3 total stops
  • 59h 31m total
  • Sheffield to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 4 July 2025.

Fri 29/822:20MAN - ORD
3 stops27h 09mMultiple Airlines
Mon 1/922:15ORD - MAN
1 stop31h 25mMultiple Airlines
Deal found 3/7£482
Sun 17/819:50MAN - ORD
1 stop22h 05mBritish Airways
Mon 1/919:15ORD - MAN
1 stop12h 00mBritish Airways
Deal found 3/7£483
Mon 1/919:10MAN - ORD
1 stop27h 00mScandinavian Airlines
Sat 18/1019:15ORD - MAN
1 stop17h 35mScandinavian Airlines
Deal found 3/7£484
Sun 31/818:00MAN - ORD
1 stop28h 40mTAP AIR PORTUGAL
Sun 19/1018:00ORD - MAN
1 stop17h 05mTAP AIR PORTUGAL
Deal found 30/6£484
Wed 10/913:05MAN - ORD
1 stop11h 10mIcelandair
Wed 8/1019:25ORD - MAN
1 stop10h 15mIcelandair
Deal found 2/7£493
Mon 1/907:00MAN - ORD
1 stop13h 40mAmerican Airlines
Wed 22/1016:55ORD - MAN
1 stop10h 55mAmerican Airlines
Deal found 30/6£525
Mon 25/812:35MAN - MDW
1 stop15h 09mVirgin Atlantic
Thu 11/912:43MDW - MAN
1 stop13h 52mVirgin Atlantic
Deal found 2/7£529
Fri 7/1106:25MAN - ORD
2 stops36h 36mUnited Airlines
Wed 12/1113:00ORD - MAN
2 stops15h 30mUnited Airlines
Deal found 3/7£529
Mon 1/905:55MAN - MDW
2 stops17h 42mDelta
Wed 24/918:15MDW - MAN
2 stops13h 10mDelta
Deal found 3/7£550
Thu 2/1012:35MAN - MDW
1 stop15h 01mKLM
Mon 13/1006:00MDW - MAN
1 stop20h 35mKLM
Deal found 3/7£607
Sat 15/1113:00MAN - STL
2 stops31h 20mLufthansa
Thu 20/1115:15STL - MAN
2 stops13h 05mLufthansa
Deal found 3/7£790
Sun 17/811:35MAN - STL
3 stops31h 57mMultiple Airlines
Sun 24/814:30STL - MAN
3 stops26h 30mMultiple Airlines
Deal found 3/7£797

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 4 July 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

Fri 29/8

22:20-19:29

3 stops27h 09m

Chicago O'Hare Intl

Mon 1/9

22:15-11:40

1 stop31h 25m

£482

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sun 17/8

19:50-11:55

1 stop22h 05m

Chicago O'Hare Intl

Mon 1/9

19:15-13:15

1 stop12h 00m

£483

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 1/9

19:10-16:10

1 stop27h 00m

Chicago O'Hare Intl

Sat 18/10

19:15-18:50

1 stop17h 35m

£484

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sun 31/8

18:00-16:40

1 stop28h 40m

Chicago O'Hare Intl

Sun 19/10

18:00-17:05

1 stop17h 05m

£484

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 10/9

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Wed 8/10

19:25-11:40

1 stop10h 15m

£493

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 1/9

07:00-14:40

1 stop13h 40m

Chicago O'Hare Intl

Wed 22/10

16:55-09:50

1 stop10h 55m

£525

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Mon 25/8

12:35-21:44

1 stop15h 09m

Chicago Midway

Thu 11/9

12:43-08:35

1 stop13h 52m

£529

ManchesterChicago

MAN - ORD

MANORD

Manchester

Fri 7/11

06:25-13:01

2 stops36h 36m

Chicago O'Hare Intl

Wed 12/11

13:00-10:30

2 stops15h 30m

£529

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Mon 1/9

05:55-17:37

2 stops17h 42m

Chicago Midway

Wed 24/9

18:15-13:25

2 stops13h 10m

£550

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Thu 2/10

12:35-21:36

1 stop15h 01m

Chicago Midway

Mon 13/10

06:00-08:35

1 stop20h 35m

£607

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 36 results
1
2
3
4

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 4 July 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.

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 4 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andAir France from Sheffield to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,982 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,844 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 £517 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from £536 and KLM from £679 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 - Moline Quad-City.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sheffield to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Gatwick to Newark flights
London City to Newark flights
Gatwick to LaGuardia flights
Stansted to John F Kennedy Intl flights
Luton to John F Kennedy Intl flights
Manchester to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Heathrow to Miami flights
Manchester to Orlando flights
Heathrow to San Francisco flights
London City to LaGuardia flights
Stansted to Newark flights
Heathrow to Boston flights
Heathrow to O'Hare Intl flights
Manchester to Newark flights
Gatwick to Orlando flights
Heathrow to Seattle flights
Heathrow to Dulles Intl flights
Gatwick to Boston flights
Heathrow to Atlanta flights
Luton to Newark flights
Heathrow to Las Vegas flights
Gatwick to Stewart flights
Heathrow to Dallas/Fort Worth flights
Luton to Stewart flights
London City to Los Angeles flights
Manchester to LaGuardia flights
Heathrow to Baltimore flights
London City to Miami flights
London City to Orlando flights
Heathrow to Hobby flights
Gatwick to Miami flights
Gatwick to Los Angeles flights
Heathrow to Tampa flights
Heathrow to Denver flights
Gatwick to San Francisco flights
Heathrow to George Bush Intcntl flights
London City to Boston flights
Edinburgh to Newark flights
London City to San Francisco flights
Edinburgh to John F Kennedy Intl flights
Gatwick to Las Vegas flights
Heathrow to Austin flights
Gatwick to Atlanta flights

Top 10 airlines flying from Sheffield to Illinois

Discover the top 10 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£359Average£466FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£361Average£518FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£409Average£615FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£432Average£600FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£456Average£602FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£458Average£590FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£462Average£604FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£464Average£605FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£486Average£610FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£492Average£746FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights