How long is the flight from Wales to Illinois?

Departing from Wales to Illinois will take you 14h. 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.

£260+ 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 1 September 2026.

Thu 15/1012:00 -

2 stops34h 10m

Thu 22/1019:15 -

2 stops21h 40m

Deal found 31/8£499

Thu 15/1014:25 -

2 stops31h 45m

Thu 22/1019:15 -

2 stops21h 20m

Deal found 31/8£522

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 27/8£523

Sat 17/1017:10 -

3 stops29h 00m

Sat 24/1019:15 -

3 stops21h 35m

Deal found 27/8£523

Thu 12/1112:00 -

1 stop12h 20m

Fri 27/1120:05 -

1 stop14h 40m

Deal found 31/8£524

Sat 26/906:50 -

1 stop13h 10m

Sat 3/1015:45 -

1 stop10h 00m

Deal found 29/8£529

Mon 19/1008:15 -

1 stop13h 55m

Sat 24/1019:15 -

1 stop13h 25m

Deal found 30/8£529

Wed 16/918:00 -

2 stops24h 40m

Sun 27/922:25 -

1 stop31h 15m

Deal found 31/8£530

Sun 1/1119:15 -

1 stop27h 30m

Mon 16/1119:15 -

1 stop17h 20m

Deal found 29/8£531

Wed 4/1110:10 -

1 stop12h 35m

Sun 8/1119:15 -

2 stops17h 55m

Deal found 29/8£532

Thu 12/1110:10 -

1 stop12h 35m

Fri 27/1119:15 -

2 stops18h 25m

Deal found 31/8£532

Thu 12/1111:55 -

1 stop11h 25m

Fri 27/1118:30 -

1 stop10h 15m

Deal found 27/8£533

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 1 September 2026.

Thu 15/1012:00 -

2 stops34h 10m

Thu 22/1019:15 -

2 stops21h 40m

Deal found 31/8£499

Fri 23/1006:05 -

2 stops17h 00m

Sat 24/1016:00 -

2 stops36h 00m

Deal found 29/8£538

Thu 1/1006:15 -

1 stop14h 00m

Thu 8/1016:15 -

1 stop10h 35m

Deal found 29/8£553

Thu 12/1112:55 -

2 stops33h 50m

Fri 27/1119:15 -

2 stops18h 25m

Deal found 31/8£555

Thu 15/1009:20 -

1 stop10h 55m

Thu 22/1010:24 -

2 stops16h 26m

Deal found 31/8£568

Thu 1/1017:15 -

1 stop27h 00m

Thu 22/1017:29 -

2 stops17h 16m

Deal found 31/8£597

Mon 12/1012:25 -

1 stop12h 50m

Thu 29/1016:55 -

1 stop10h 00m

Deal found 27/8£618

Fri 20/1120:40 -

2 stops25h 38m

Fri 4/1212:39 -

2 stops15h 51m

Deal found 29/8£690

Wed 23/909:20 -

2 stops17h 24m

Sat 3/1011:01 -

2 stops16h 44m

Deal found 27/8£695

Wed 4/1106:10 -

2 stops36h 59m

Thu 5/1117:50 -

1 stop10h 30m

Deal found 31/8£550

Tue 6/1009:20 -

1 stop10h 55m

Thu 22/1017:29 -

2 stops17h 31m

Deal found 1/9£568

Tue 6/1006:15 -

1 stop14h 00m

Thu 22/1016:15 -

1 stop18h 45m

Deal found 1/9£568

Tue 13/1012:45 -

2 stops33h 25m

Tue 20/1019:15 -

1 stop17h 15m

Deal found 29/8£573

Thu 15/1009:50 -

2 stops17h 53m

Thu 22/1016:15 -

1 stop11h 00m

Deal found 31/8£602

Thu 1/1006:15 -

2 stops18h 18m

Thu 8/1009:29 -

2 stops17h 21m

Deal found 29/8£572

Mon 5/1009:35 -

1 stop12h 35m

Tue 13/1019:15 -

2 stops32h 25m

Deal found 29/8£575

Tue 23/210:20 -

2 stops16h 17m

Wed 3/313:35 -

2 stops21h 25m

Deal found 27/8£691

Thu 15/1006:15 -

2 stops17h 45m

Thu 22/1018:44 -

2 stops16h 16m

Deal found 31/8£572

Fri 19/212:15 -

2 stops32h 40m

Sun 28/220:10 -

1 stop13h 55m

Deal found 28/8£630

Mon 2/1111:55 -

2 stops18h 04m

Sat 14/1113:10 -

2 stops13h 40m

Deal found 27/8£709

Thu 5/1110:25 -

2 stops36h 20m

Mon 9/1119:15 -

1 stop32h 15m

Deal found 31/8£591

Sat 26/906:05 -

2 stops17h 15m

Sat 3/1011:00 -

2 stops13h 30m

Deal found 29/8£683

Mon 12/1017:15 -

1 stop27h 00m

Thu 29/1017:25 -

1 stop18h 35m

Deal found 27/8£687

Thu 1/1006:15 -

2 stops20h 15m

Thu 8/1016:15 -

1 stop15h 00m

Deal found 29/8£572

Wed 30/912:45 -

2 stops33h 25m

Sat 3/1019:15 -

2 stops18h 15m

Deal found 28/8£595

Wed 14/1005:55 -

2 stops18h 05m

Wed 21/1013:27 -

2 stops12h 58m

Deal found 30/8£737

Wed 14/1007:05 -

2 stops15h 48m

Wed 21/1010:00 -

2 stops17h 50m

Deal found 30/8£747

Mon 2/1111:30 -

1 stop33h 56m

Fri 13/1115:40 -

1 stop13h 50m

Deal found 29/8£695

Mon 2/1106:10 -

2 stops19h 20m

Sat 14/1118:50 -

2 stops33h 30m

Deal found 31/8£701

Thu 21/110:10 -

2 stops19h 29m

Mon 25/115:40 -

2 stops35h 50m

Deal found 30/8£605

Find flight deals from Wales to Illinois

Round-trip from	£499
One-way from	£260

15/10-22/10
4 total stops
55h 50m total
Wales to Illinois

Search Deals

19/10
3 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

Thu 15/10

12:00-16:10

2 stops34h 10m

Chicago O'Hare Intl

Thu 22/10

19:15-22:55

2 stops21h 40m

£499

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Fri 23/10

06:05-17:05

2 stops17h 00m

Chicago O'Hare Intl

Sat 24/10

16:00-10:00

2 stops36h 00m

£538

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Wed 4/11

06:10-13:09

2 stops36h 59m

Chicago O'Hare Intl

Thu 5/11

17:50-10:20

1 stop10h 30m

£550

BristolChicago

BRS Bristol - ORD Chicago O'Hare Intl

BRSORD

Bristol

Thu 1/10

06:15-14:15

1 stop14h 00m

Chicago O'Hare Intl

Thu 8/10

16:15-08:50

1 stop10h 35m

£553

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Thu 12/11

12:55-16:45

2 stops33h 50m

Chicago O'Hare Intl

Fri 27/11

19:15-19:40

2 stops18h 25m

£555

BristolChicago

BRS Bristol - ORD Chicago O'Hare Intl

BRSORD

Bristol

Thu 15/10

09:20-14:15

1 stop10h 55m

Chicago O'Hare Intl

Thu 22/10

10:24-08:50

2 stops16h 26m

£568

BristolChicago

BRS Bristol - ORD Chicago O'Hare Intl

BRSORD

Bristol

Tue 6/10

09:20-14:15

1 stop10h 55m

Chicago O'Hare Intl

Thu 22/10

17:29-17:00

2 stops17h 31m

£568

BristolChicago

BRS Bristol - ORD Chicago O'Hare Intl

BRSORD

Bristol

Tue 6/10

06:15-14:15

1 stop14h 00m

Chicago O'Hare Intl

Thu 22/10

16:15-17:00

1 stop18h 45m

£568

BristolChicago

BRS Bristol - MDW Chicago Midway

BRSMDW

Bristol

Thu 1/10

06:15-18:33

2 stops18h 18m

Chicago Midway

Thu 8/10

09:29-08:50

2 stops17h 21m

£572

BristolChicago

BRS Bristol - MDW Chicago Midway

BRSMDW

Bristol

Thu 15/10

06:15-18:00

2 stops17h 45m

Chicago Midway

Thu 22/10

18:44-17:00

2 stops16h 16m

£572

Flights are sorted by cheapest return flights first.

Deals found on 29/8

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.

MAN-ORD

BRS-ORD

MAN-STL

MAN-MDW

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

MAN-ORD

BRS-ORD

MAN-STL

MAN-MDW

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

1,569 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

KLM

7.8

Good

1,569 reviews

KLM

7.8

Good

1,569 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very 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 14h. 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£691	Average£695	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 £260

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 19/10. 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 1 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 1 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 1 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 1 September 2026.

Last-minute flights from Wales to IllinoisDiscover last-minute flight deals from Wales to Illinois. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Wales to Illinois. Data last updated 1 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 1 September 2026.

Search for one-way flight options from Wales to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from Wales to Illinois

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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 1 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

Fly with Cheapflights

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

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

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 1 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 1 September 2026.

Last-minute flights from Wales to Illinois
Discover last-minute flight deals from Wales to Illinois. Data last updated 1 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 1 September 2026.