How long is the flight from Sheffield to Illinois?

Departing from Sheffield to Illinois will take you 11h 35m. Airlines will cover a distance of 3812 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

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).

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.

What are the most popular airlines that fly from Sheffield to Illinois?

Before booking your flight from Sheffield to Illinois check out the most popular airlines for this route: Air France, Finnair or British Airways.

How far in advance should I book a flight from Sheffield to Illinois?

To save on the cost of your flight from Sheffield to Illinois, book at least 41 days before your planned departure. Booking around this time can save you about 28% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £499 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £740.

What is the cheapest month to fly from Sheffield to Illinois?

The best pricing can be found in the month of February. Prices to Illinois from Sheffield average £570. You can even find prices in February for less than £570, as users have found deals to Illinois from as low as £370. The month of July appears to be one of the more expensive times to travel to Illinois from Sheffield. Flying in the targeted month can save you up to 26%.

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.

£284+ Flights from Sheffield to Illinois

Cheap flight deals from Sheffield to Illinois

Round-trip from	£474
One-way from	£284
Popular in	July
Cheapest in	February
Average price	£701

Icelandair
1/10-5/10
2 total stops
21h 50m total
Sheffield to Illinois

Search Deals

29/10
2 total stops
59h 50m total
Sheffield to Illinois

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£79 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 August 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 21 August 2025.

Wed 1/1012:40MAN - ORD

1 stop11h 35mIcelandair

Sun 5/1019:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 20/8£474

Sun 2/1120:30MAN - ORD

2 stops26h 15mScandinavian Airlines

Wed 7/119:20ORD - MAN

2 stops34h 55mScandinavian Airlines

Deal found 20/8£476

Wed 17/913:05MAN - ORD

1 stop14h 10mIcelandair

Mon 6/1019:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 20/8£477

Wed 24/912:40MAN - ORD

1 stop11h 35mIcelandair

Tue 30/919:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 19/8£478

Wed 1/1013:05MAN - ORD

2 stops33h 05mScandinavian Airlines

Sun 5/1019:15ORD - MAN

1 stop32h 15mScandinavian Airlines

Deal found 19/8£479

Thu 18/919:10MAN - ORD

2 stops48h 33mScandinavian Airlines

Mon 6/1019:15ORD - MAN

2 stops35h 10mScandinavian Airlines

Deal found 20/8£480

Thu 25/919:10MAN - ORD

2 stops44h 05mScandinavian Airlines

Sat 4/1019:15ORD - MAN

2 stops42h 30mScandinavian Airlines

Deal found 19/8£482

Wed 24/912:40MAN - ORD

1 stop11h 35mIcelandair

Mon 29/919:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 19/8£483

Thu 25/919:10MAN - ORD

2 stops44h 05mScandinavian Airlines

Tue 30/919:15ORD - MAN

2 stops32h 25mScandinavian Airlines

Deal found 19/8£485

Thu 6/1120:35MAN - ORD

2 stops24h 40mMultiple Airlines

Sun 16/1120:25ORD - MAN

1 stop13h 50mMultiple Airlines

Deal found 19/8£487

Thu 25/919:10MAN - ORD

2 stops44h 05mScandinavian Airlines

Thu 9/1019:15ORD - MAN

1 stop32h 05mScandinavian Airlines

Deal found 20/8£488

Mon 3/1111:55MAN - ORD

1 stop11h 25mIcelandair

Tue 18/1118:30ORD - MAN

1 stop10h 15mIcelandair

Deal found 19/8£490

Best flights from Sheffield to Illinois
Discover carefully curated flight deals from Sheffield to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2025.

Wed 1/1012:40MAN - ORD

1 stop11h 35mIcelandair

Sun 5/1019:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 20/8£474

Thu 6/1112:55MAN - ORD

2 stops33h 50mScandinavian Airlines

Wed 7/119:20ORD - MAN

2 stops34h 55mScandinavian Airlines

Deal found 20/8£476

Tue 16/912:35MAN - MDW

1 stop15h 01mVirgin Atlantic

Tue 23/912:43MDW - MAN

1 stop13h 52mVirgin Atlantic

Deal found 19/8£528

Tue 23/912:35MAN - MDW

1 stop15h 01mDelta

Tue 7/1018:23MDW - MAN

2 stops13h 02mDelta

Deal found 20/8£550

Wed 17/909:55MAN - STL

1 stop38h 15mMultiple Airlines

Wed 24/910:21STL - MAN

1 stop14h 54mMultiple Airlines

Deal found 20/8£753

Sat 15/1106:00MAN - STL

2 stops22h 45mLufthansa

Thu 20/1106:30STL - MAN

2 stops20h 15mLufthansa

Deal found 20/8£790

Mon 8/1214:50MAN - STL

2 stops26h 06mAmerican Airlines

Thu 25/1219:06STL - MAN

2 stops17h 59mAmerican Airlines

Deal found 20/8£794

Sat 4/1006:05MAN - MLI

2 stops21h 00mUnited Airlines

Sat 11/1017:29MLI - MAN

2 stops34h 21mUnited Airlines

Deal found 20/8£819

Sun 2/1120:30MAN - ORD

2 stops26h 15mScandinavian Airlines

Wed 7/119:20ORD - MAN

2 stops34h 55mScandinavian Airlines

Deal found 20/8£476

Wed 17/913:05MAN - ORD

1 stop11h 10mIcelandair

Thu 2/1019:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 20/8£477

Tue 4/1112:55MAN - ORD

2 stops33h 50mScandinavian Airlines

Wed 7/119:20ORD - MAN

2 stops34h 55mScandinavian Airlines

Deal found 20/8£476

Wed 17/913:05MAN - ORD

1 stop11h 10mIcelandair

Mon 6/1019:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 20/8£477

Last-minute flights from Sheffield to Illinois
Discover last-minute flight deals from Sheffield to Illinois. Data last updated 21 August 2025 and is based on user searches.

Sat 30/818:40MAN - ORD

1 stop23h 30mSWISS

Sat 27/919:05ORD - MAN

1 stop31h 00mSWISS

Deal found 19/8£522

Sat 30/806:05MAN - ORD

1 stop11h 50mMultiple Airlines

Sat 27/919:05ORD - MAN

1 stop31h 00mMultiple Airlines

Deal found 19/8£537

Sat 30/806:05MAN - ORD

1 stop11h 50mMultiple Airlines

Wed 1/1015:05ORD - MAN

1 stop11h 20mMultiple Airlines

Deal found 19/8£542

Sat 30/806:05MAN - ORD

1 stop11h 50mUnited Airlines

Sat 27/912:00ORD - MAN

1 stop16h 20mUnited Airlines

Deal found 19/8£545

Sat 30/806:05MAN - ORD

1 stop11h 50mUnited Airlines

Wed 1/1010:50ORD - MAN

2 stops15h 35mUnited Airlines

Deal found 19/8£547

Sat 30/811:50MAN - ORD

2 stops33h 05mAir Canada

Sat 27/910:40ORD - MAN

2 stops17h 40mAir Canada

Deal found 19/8£548

Sat 30/806:05MAN - ORD

2 stops16h 55mUnited Airlines

Sat 4/1010:50ORD - MAN

2 stops15h 35mUnited Airlines

Deal found 20/8£550

Tue 16/912:35MAN - MDW

1 stop15h 01mVirgin Atlantic

Tue 23/912:43MDW - MAN

1 stop13h 52mVirgin Atlantic

Deal found 19/8£528

Tue 16/912:35MAN - MDW

1 stop15h 01mDelta

Tue 23/918:15MDW - MAN

2 stops13h 10mDelta

Deal found 19/8£551

Wed 17/911:55MAN - MDW

1 stop15h 41mVirgin Atlantic

Mon 22/912:43MDW - MAN

1 stop13h 52mVirgin Atlantic

Deal found 20/8£528

Tue 23/912:35MAN - MDW

1 stop15h 01mVirgin Atlantic

Tue 30/912:43MDW - MAN

1 stop13h 52mVirgin Atlantic

Deal found 19/8£530

Tue 23/912:35MAN - MDW

1 stop15h 01mDelta

Tue 7/1018:23MDW - MAN

2 stops13h 02mDelta

Deal found 20/8£550

One-way flights from Sheffield to Illinois
Search for one-way flight options from Sheffield to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 August 2025.

Wed 29/1009:25MAN - ORD

2 stops59h 50mMultiple Airlines

Deal found 20/8£284

Wed 29/1012:25MAN - MDW

3 stops49h 07mMultiple Airlines

Deal found 20/8£309

Wed 27/820:30MAN - ORD

2 stops22h 20mMultiple Airlines

Deal found 20/8£315

Wed 17/912:30MAN - STL

3 stops32h 34mMultiple Airlines

Deal found 20/8£342

Sat 4/1020:15MAN - ORD

3 stops33h 05mMultiple Airlines

Deal found 19/8£371

Wed 27/818:45MAN - MDW

3 stops52h 31mMultiple Airlines

Deal found 20/8£382

Sat 3/117:25MAN - ORD

1 stop29h 55mMultiple Airlines

Deal found 20/8£391

Sat 27/1219:15MAN - ORD

1 stop27h 30mScandinavian Airlines

Deal found 20/8£393

Wed 29/1010:10MAN - ORD

1 stop15h 55mScandinavian Airlines

Deal found 20/8£401

Sat 27/1218:45MAN - ORD

2 stops26h 15mMultiple Airlines

Deal found 20/8£433

Sat 27/1217:10MAN - MDW

3 stops46h 55mMultiple Airlines

Deal found 20/8£487

Sat 3/117:25MAN - MDW

2 stops46h 40mMultiple Airlines

Deal found 20/8£531

Fly from

Fly to

Route

Depart

Return

Price

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 1/10

12:40-18:15

1 stop11h 35m

Chicago O'Hare Intl

Sun 5/10

19:25-11:40

1 stop10h 15m

£474

ManchesterChicago

MAN - ORD

MANORD

Manchester

Thu 6/11

12:55-16:45

2 stops33h 50m

Chicago O'Hare Intl

Wed 7/1

19:20-12:15

2 stops34h 55m

£476

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sun 2/11

20:30-16:45

2 stops26h 15m

Chicago O'Hare Intl

Wed 7/1

19:20-12:15

2 stops34h 55m

£476

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 4/11

12:55-16:45

2 stops33h 50m

Chicago O'Hare Intl

Wed 7/1

19:20-12:15

2 stops34h 55m

£476

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 17/9

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Thu 2/10

19:25-11:40

1 stop10h 15m

£477

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 17/9

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Mon 6/10

19:25-11:40

1 stop10h 15m

£477

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sat 8/11

12:55-16:45

2 stops33h 50m

Chicago O'Hare Intl

Tue 11/11

10:40-09:30

2 stops16h 50m

£477

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 24/9

12:40-18:15

1 stop11h 35m

Chicago O'Hare Intl

Mon 6/10

19:25-11:40

1 stop10h 15m

£477

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 1/10

13:05-16:10

2 stops33h 05m

Chicago O'Hare Intl

Sun 5/10

19:15-09:30

1 stop32h 15m

£477

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 24/9

12:40-18:15

1 stop11h 35m

Chicago O'Hare Intl

Tue 30/9

19:25-11:40

1 stop10h 15m

£478

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 49 results

...

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?

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

Check out reviews from past customers who have flown with Scandinavian Airlines, Virgin Atlantic, andAer Lingus 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.

Scandinavian Airlines

7.4

Good

1,470 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Scandinavian Airlines

7.4

Good

1,470 reviews

Scandinavian Airlines

7.4

Good

1,470 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

Virgin Atlantic

7.4

Good

658 reviews

Scandinavian Airlines

7.4

Good

1,470 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

Aer Lingus

7.1

Good

1,228 reviews

Scandinavian Airlines

7.4

Good

1,470 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

Icelandair

7.0

Good

528 reviews

Scandinavian Airlines

7.4

Good

1,470 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

British Airways

6.7

Okay

7,291 reviews

Scandinavian Airlines

7.4

Good

1,470 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

Related info for your journey

How long is the flight from Sheffield to Illinois?
Departing from Sheffield to Illinois will take you 11h 35m. Airlines will cover a distance of 3812 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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

Alternative routes for Sheffield to Illinois

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Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Greater Peoria Airport car hire

Bloomington-Normal Airport car hire

Springfield Capital Airport car hire

Champaign University-Willard Airport car hire

Chicago Greater Rockford Airport car hire

Belleville Airport car hire

Quincy Regional Airport car hire

Marion Williamson County Airport car hire

Direct flights to United States

Top 10 airlines flying from Sheffield to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£357	Average£459	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Icelandair	Cheapest£375	Average£527	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Aer Lingus	Cheapest£421	Average£641	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
British Airways	Cheapest£441	Average£610	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£462	Average£642	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£464	Average£608	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Lufthansa	Cheapest£470	Average£616	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£479	Average£618	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£496	Average£615	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air France	Cheapest£498	Average£669	FlexibilityNo cancel fee	On-time77%	Search Air France flights

Fly with Cheapflights

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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Cheap flights from Sheffield to Illinois from £284

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 21 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sheffield to Illinois

Cheapest flights from Sheffield to IllinoisExplore 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 21 August 2025.

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 21 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sheffield to Illinois that are best for you.

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.

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?

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 21 August 2025.

Reviews of airlines servicing Illinois

Check out reviews from past customers who have flown with Scandinavian Airlines, Virgin Atlantic, andAer Lingus 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.

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.

How long is the flight from Sheffield to Illinois?

What are the most popular routes from Sheffield to Illinois?

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

How can I find direct flights from Sheffield to Illinois?

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

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

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.

Top 10 airlines flying from Sheffield to Illinois

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?

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

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

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

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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 21 August 2025.