How long is the flight from Wales to Illinois?

Departing from Wales to Illinois will take you 10h 55m. The distance from Wales to Illinois is about 3855 mi. This flight may include one or multiple 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 is the cheapest time of day to fly from WLS to IL?

When flying from Wales to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Wales to Illinois?

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

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

Yes. Cheapflights offers flight deals from Wales 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.

£309+ Cheap Flights from Wales to Illinois

Cheap flight deals from Wales to Illinois

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Wales to Illinois
Explore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Thu 29/1006:20 -

1 stop13h 50m

Thu 5/1115:55 -

1 stop10h 55m

Deal found 14/9£492

Mon 2/1108:10 -

1 stop12h 00m

Mon 16/1120:05 -

1 stop14h 40m

Deal found 16/9£498

Mon 9/1109:50 -

1 stop14h 30m

Sun 22/1115:55 -

1 stop15h 40m

Deal found 14/9£500

Sat 7/1111:25 -

1 stop34h 05m

Sun 22/1120:10 -

1 stop32h 30m

Deal found 14/9£501

Tue 3/1111:55 -

1 stop11h 25m

Sat 14/1118:30 -

1 stop10h 15m

Deal found 16/9£502

Tue 27/1006:00 -

1 stop18h 20m

Tue 3/1120:05 -

1 stop15h 45m

Deal found 12/9£504

Fri 30/1006:55 -

1 stop13h 15m

Fri 6/1120:05 -

1 stop14h 40m

Deal found 15/9£507

Fri 30/1006:15 -

1 stop18h 05m

Sun 8/1115:55 -

1 stop10h 10m

Deal found 14/9£509

Thu 5/1111:55 -

1 stop11h 25m

Sat 14/1118:30 -

1 stop10h 15m

Deal found 16/9£510

Wed 23/913:50 -

2 stops28h 45m

Wed 7/1019:05 -

2 stops23h 45m

Deal found 14/9£511

Thu 10/1211:55 -

1 stop11h 25m

Fri 25/1218:30 -

1 stop10h 15m

Deal found 12/9£512

Tue 3/1117:55 -

2 stops26h 30m

Sat 14/1118:30 -

1 stop10h 15m

Deal found 16/9£513

Best flights from Wales to Illinois
Discover carefully curated flight deals from Wales to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Fri 6/1117:35 -

1 stop26h 50m

Sun 15/1107:05 -

2 stops21h 10m

Deal found 12/9£570

Thu 22/1009:20 -

1 stop10h 55m

Mon 2/1117:29 -

2 stops17h 26m

Deal found 11/9£571

Wed 21/1008:25 -

1 stop11h 35m

Mon 2/1120:05 -

1 stop17h 05m

Deal found 11/9£578

Sat 13/205:55 -

1 stop14h 30m

Fri 19/219:00 -

2 stops15h 55m

Deal found 16/9£578

Sat 7/1112:25 -

2 stops34h 20m

Tue 10/1119:15 -

1 stop32h 15m

Deal found 15/9£579

Wed 21/1017:15 -

1 stop27h 00m

Mon 2/1116:25 -

1 stop18h 35m

Deal found 11/9£599

Sat 7/1111:55 -

1 stop11h 25m

Tue 10/1118:30 -

1 stop10h 15m

Deal found 15/9£625

Fri 12/212:15 -

1 stop13h 00m

Sat 20/218:40 -

2 stops31h 15m

Deal found 16/9£637

Sat 26/906:05 -

1 stop11h 55m

Tue 6/1016:05 -

1 stop19h 30m

Deal found 13/9£679

Mon 2/1106:10 -

2 stops15h 33m

Fri 13/1107:30 -

2 stops20h 50m

Deal found 16/9£698

Fri 6/1105:55 -

2 stops21h 48m

Sun 15/1117:05 -

2 stops17h 50m

Deal found 12/9£574

Thu 22/1008:25 -

1 stop11h 35m

Mon 2/1120:05 -

1 stop12h 45m

Deal found 11/9£578

Tue 24/1112:55 -

2 stops33h 50m

Fri 27/1119:15 -

2 stops18h 25m

Deal found 11/9£591

Thu 22/1006:15 -

2 stops17h 45m

Mon 2/1109:29 -

2 stops18h 46m

Deal found 11/9£575

Wed 21/1009:45 -

2 stops17h 42m

Mon 2/1118:08 -

2 stops16h 52m

Deal found 14/9£656

Tue 6/1006:55 -

2 stops15h 55m

Wed 14/1016:26 -

2 stops14h 44m

Deal found 16/9£656

Mon 12/1012:25 -

1 stop12h 50m

Wed 14/1015:45 -

1 stop18h 15m

Deal found 14/9£598

Fri 9/1018:15 -

2 stops25h 45m

Fri 16/1015:45 -

2 stops20h 45m

Deal found 15/9£675

Sat 26/906:05 -

1 stop11h 55m

Wed 7/1022:30 -

1 stop13h 05m

Deal found 13/9£679

Thu 21/110:10 -

2 stops19h 29m

Mon 25/115:40 -

2 stops35h 50m

Deal found 15/9£625

Wed 21/1006:15 -

2 stops16h 32m

Mon 2/1109:29 -

2 stops18h 46m

Deal found 11/9£575

Sat 20/211:30 -

1 stop33h 56m

Tue 2/307:33 -

2 stops20h 47m

Deal found 15/9£702

Sat 26/906:05 -

1 stop11h 55m

Fri 9/1022:30 -

1 stop12h 50m

Deal found 13/9£679

Mon 2/1111:30 -

1 stop33h 56m

Fri 13/1115:40 -

1 stop13h 50m

Deal found 15/9£695

Wed 21/1006:15 -

2 stops16h 17m

Mon 2/1117:29 -

2 stops17h 26m

Deal found 11/9£575

Mon 5/1020:25 -

2 stops31h 18m

Tue 13/1019:15 -

2 stops34h 50m

Deal found 15/9£654

Thu 1/1017:15 -

1 stop27h 00m

Sat 10/1016:15 -

1 stop11h 00m

Deal found 15/9£728

Thu 29/1006:10 -

1 stop12h 00m

Thu 5/1105:55 -

2 stops22h 25m

Deal found 14/9£679

Wed 14/1010:40 -

1 stop17h 53m

Mon 19/1009:29 -

2 stops16h 56m

Deal found 14/9£832

Wed 16/1212:55 -

2 stops33h 50m

Tue 29/1219:15 -

1 stop17h 20m

Deal found 13/9£666

Find flight deals from Wales to Illinois

Round-trip from	£492
One-way from	£309

29/10-5/11
2 total stops
24h 45m total
Wales to Illinois

Search Deals

9/11-31/12
2 total stops
28h 35m total
Wales to Illinois

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BristolChicago

BRS Bristol - ORD Chicago O'Hare Intl

BRSORD

Bristol

Mon 9/11

19:10-14:10

1 stop25h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£369

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Sun 29/11

08:00-18:20

2 stops40h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£370

BristolChicago

BRS Bristol - MDW Chicago Midway

BRSMDW

Bristol

Mon 9/11

19:20-23:47

3 stops58h 27m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£386

ManchesterChicago

MAN Manchester - MDW Chicago Midway

MANMDW

Manchester

Fri 25/9

06:15-11:00

2 stops34h 45m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£393

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Sun 11/10

06:45-19:50

2 stops43h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£406

BristolChicago

BRS Bristol - ORD Chicago O'Hare Intl

BRSORD

Bristol

Tue 13/10

14:50-14:30

3 stops29h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£414

ManchesterChicago

MAN Manchester - MDW Chicago Midway

MANMDW

Manchester

Sun 11/10

06:55-11:00

3 stops58h 05m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£429

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Sun 7/3

18:45-12:40

1 stop23h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£433

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Wed 30/9

20:30-14:00

1 stop23h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£482

BristolChicago

BRS Bristol - MDW Chicago Midway

BRSMDW

Bristol

Mon 9/11

05:55-18:04

2 stops18h 09m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£484

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Wales to Illinois

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

BRS-ORD

MAN-ORD

CWL-ORD

MAN-STL

BRS-MDW

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 Wales to Illinois

GBWLS-USIL

BRS-ORD

MAN-ORD

CWL-ORD

MAN-STL

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with KLM from Wales to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

KLM

7.8

Good

1,577 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

How long is the flight from Wales to Illinois?
Departing from Wales to Illinois will take you 10h 55m. The distance from Wales to Illinois is about 3855 mi. This flight may include one or multiple stops.
Can I find deals for flights from Wales to Illinois that include hotel bookings?
Yes. In addition to deals on Wales to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Wales to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wales to Illinois.
Can I find deals for business class flights from Wales to Illinois?
Yes. Cheapflights offers flight deals from Wales 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Alternative routes for Wales to Illinois

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Top airline flying from Wales to Illinois

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£695	Average£698	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Wales to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Wales.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Wales today and book when prices fit your budget.

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Cheap flights from Wales to Illinois from £309

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Wales to Illinois

Cheapest flights from Wales to IllinoisExplore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Explore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Wales to IllinoisDiscover carefully curated flight deals from Wales to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Discover carefully curated flight deals from Wales to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Wales to IllinoisDiscover last-minute flight deals from Wales to Illinois. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Wales to Illinois. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Wales to IllinoisSearch for one-way flight options from Wales to Illinois. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Search for one-way flight options from Wales to Illinois. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Find flight deals from Wales to Illinois

Round-trip from

One-way from

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

Best time to book a flight from Wales to Illinois

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

Cheapflights Insights

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with KLM from Wales to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Wales to Illinois?

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

How can I find direct flights from Wales to Illinois?

Can I find deals for business class flights from Wales 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 Wales to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Illinois by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Wales to Illinois by cabin class

Find flights from Wales to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Wales and Illinois flights

Browse other Wales and Illinois flight options. Last updated on 16 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Illinois

Find the right flight back to Wales after your stay in Illinois

Wales to Illinois flights

Consider these flights travelling from Wales to Illinois.

Top airline flying from Wales to Illinois

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

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

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

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Cheapest flights from Wales to Illinois
Explore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Wales to Illinois
Discover carefully curated flight deals from Wales to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Wales to Illinois
Discover last-minute flight deals from Wales to Illinois. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Wales to Illinois
Search for one-way flight options from Wales to Illinois. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.