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Cheap flights from Wales to Illinois from £250

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ORD
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Wales to Illinois

Enter your travel dates to find the best prices.

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 9 June 2026.

Mon 31/818:40
MAN
-
ORD
2 stops29h 35m
Multiple Airlines
Mon 14/919:25
ORD
-
MAN
2 stops21h 50m
Multiple Airlines
Deal found 6/6£494
Fri 21/823:00
MAN
-
ORD
3 stops27h 05m
Multiple Airlines
Sat 5/922:25
ORD
-
MAN
1 stop31h 15m
Multiple Airlines
Deal found 4/6£500
Thu 3/906:55
MAN
-
ORD
2 stops16h 55m
Multiple Airlines
Mon 5/1019:25
ORD
-
MAN
1 stop10h 15m
Multiple Airlines
Deal found 7/6£502
Thu 24/906:55
MAN
-
ORD
2 stops16h 55m
Multiple Airlines
Wed 30/919:25
ORD
-
MAN
1 stop10h 15m
Multiple Airlines
Deal found 4/6£510
Tue 27/1006:45
MAN
-
ORD
2 stops17h 05m
Multiple Airlines
Sun 1/1118:30
ORD
-
MAN
1 stop10h 15m
Multiple Airlines
Deal found 7/6£514
Thu 17/906:55
MAN
-
ORD
2 stops16h 55m
Multiple Airlines
Sun 27/919:25
ORD
-
MAN
1 stop10h 15m
Multiple Airlines
Deal found 5/6£516
Mon 31/818:00
MAN
-
ORD
2 stops29h 50m
Multiple Airlines
Sun 6/919:25
ORD
-
MAN
1 stop10h 15m
Multiple Airlines
Deal found 8/6£520
Tue 1/913:50
MAN
-
ORD
2 stops34h 00m
Multiple Airlines
Sun 6/921:00
ORD
-
MAN
1 stop10h 55m
Multiple Airlines
Deal found 8/6£527
Mon 24/817:10
MAN
-
ORD
3 stops29h 00m
Multiple Airlines
Mon 31/819:15
ORD
-
MAN
2 stops21h 05m
Multiple Airlines
Deal found 5/6£534
Tue 1/921:30
MAN
-
MDW
3 stops26h 31m
Multiple Airlines
Sun 6/916:52
MDW
-
MAN
3 stops24h 48m
Multiple Airlines
Deal found 8/6£576
Tue 25/823:15
CWL
-
ORD
2 stops26h 37m
Multiple Airlines
Mon 31/819:25
ORD
-
CWL
2 stops21h 25m
Multiple Airlines
Deal found 8/6£615
Sat 14/1116:00
BRS
-
ORD
1 stop28h 00m
British Airways
Tue 17/1118:33
ORD
-
BRS
2 stops39h 27m
British Airways
Deal found 8/6£627

Find flight deals from Wales to Illinois

Keep the following information in mind while searching for Wales to Illinois flight deals. Data was last updated 9 June 2026.

Round-trip from

£494

One-way from

£250
31/8-14/9
  • 31/8-14/9
  • 4 total stops
  • 51h 25m total
  • Wales to Illinois
Search Deals
9/9
  • 9/9
  • 2 total stops
  • 31h 50m total
  • Wales to Illinois
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Wales 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 9 June 2026.
Use the filters below to find and compare flights from Wales to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterChicago

MAN - ORD

MANORD

Manchester

Thu 15/10

09:35-16:10

1 stop12h 35m

Chicago O'Hare Intl

Tue 20/10

19:15-20:30

2 stops19h 15m

£569

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 23/11

19:15-16:45

1 stop27h 30m

Chicago O'Hare Intl

Fri 27/11

19:15-08:40

2 stops31h 25m

£570

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 5/10

20:25-16:10

2 stops25h 45m

Chicago O'Hare Intl

Sun 18/10

19:15-19:45

2 stops18h 30m

£572

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 23/11

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Fri 27/11

18:30-10:45

1 stop10h 15m

£614

BristolChicago

BRS - ORD

BRSORD

Bristol

Sat 14/11

16:00-14:00

1 stop28h 00m

Chicago O'Hare Intl

Tue 17/11

18:33-16:00

2 stops39h 27m

£627

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 25/8

23:15-14:00

1 stop20h 45m

Chicago O'Hare Intl

Mon 31/8

15:45-09:15

2 stops35h 30m

£630

ManchesterChicago

MAN - ORD

MANORD

Manchester

Fri 11/9

09:35-22:06

2 stops18h 31m

Chicago O'Hare Intl

Thu 17/9

19:15-19:45

2 stops18h 30m

£631

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 16/9

09:35-22:22

2 stops18h 47m

Chicago O'Hare Intl

Wed 23/9

19:15-18:30

1 stop17h 15m

£651

BristolChicago

BRS - ORD

BRSORD

Bristol

Mon 13/7

14:55-11:30

1 stop26h 35m

Chicago O'Hare Intl

Tue 28/7

15:45-16:00

1 stop18h 15m

£660

ManchesterSt. Louis

MAN - STL

MANSTL

Manchester

Fri 2/10

09:00-20:00

1 stop17h 00m

Lambert-St Louis

Sat 10/10

07:30-09:50

2 stops20h 20m

£678

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 54 resultsSorted by cheapest first
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2
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6

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

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 9 June 2026.
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
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Wales 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 Wales to Illinois?

    Departing from Wales to Illinois will take you 11h 25m. The distance from Wales to Illinois is about 3812 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

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Alternative routes for Wales to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Wales to Illinois

Discover the top airline that operate flights from Wales 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£702Average£705FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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