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Cheap flights from Wales to Illinois from £259

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ORD
4 May — 11 May1
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 4 April 2026.

Thu 16/420:55
MAN
-
ORD
2 stops25h 05m
Multiple Airlines
Fri 1/522:25
ORD
-
MAN
1 stop31h 15m
Multiple Airlines
Deal found 3/4£508
Tue 21/413:35
MAN
-
ORD
3 stops40h 49m
Multiple Airlines
Tue 28/419:25
ORD
-
MAN
1 stop10h 15m
Multiple Airlines
Deal found 31/3£513
Mon 19/1019:10
MAN
-
ORD
1 stop27h 00m
Scandinavian Airlines
Mon 2/1119:20
ORD
-
MAN
1 stop17h 15m
Scandinavian Airlines
Deal found 2/4£523
Tue 21/413:35
MAN
-
ORD
2 stops32h 25m
Multiple Airlines
Mon 27/419:25
ORD
-
MAN
1 stop10h 15m
Multiple Airlines
Deal found 4/4£524
Mon 11/522:35
MAN
-
ORD
2 stops26h 50m
Multiple Airlines
Sun 24/509:55
ORD
-
MAN
2 stops30h 15m
Multiple Airlines
Deal found 31/3£528
Wed 14/1009:35
MAN
-
ORD
1 stop12h 35m
Scandinavian Airlines
Sat 24/1020:20
ORD
-
MAN
1 stop17h 15m
Scandinavian Airlines
Deal found 31/3£529
Tue 3/1112:55
MAN
-
ORD
2 stops33h 50m
Scandinavian Airlines
Tue 10/1119:20
ORD
-
MAN
1 stop17h 15m
Scandinavian Airlines
Deal found 1/4£533
Fri 23/1009:35
MAN
-
ORD
1 stop12h 35m
Scandinavian Airlines
Fri 30/1020:20
ORD
-
MAN
1 stop32h 10m
Scandinavian Airlines
Deal found 30/3£540
Tue 19/508:20
BRS
-
ORD
1 stop11h 40m
Multiple Airlines
Tue 26/521:00
ORD
-
BRS
1 stop13h 35m
Multiple Airlines
Deal found 4/4£547
Mon 18/508:55
BRS
-
ORD
1 stop16h 20m
Multiple Airlines
Mon 25/515:45
ORD
-
BRS
1 stop9h 50m
Multiple Airlines
Deal found 3/4£549
Mon 18/508:20
BRS
-
ORD
3 stops44h 55m
Multiple Airlines
Sun 24/509:55
ORD
-
BRS
3 stops27h 10m
Multiple Airlines
Deal found 4/4£608
Tue 19/523:15
CWL
-
ORD
2 stops23h 44m
Multiple Airlines
Tue 26/515:50
ORD
-
CWL
2 stops25h 15m
Multiple Airlines
Deal found 4/4£647

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 4 April 2026.

Round-trip from

£508

One-way from

£259
Icelandair
  • Icelandair
  • 16/4-1/5
  • 3 total stops
  • 56h 20m total
  • Wales to Illinois
Search Deals
7/5
  • 7/5
  • 2 total stops
  • 43h 31m 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 4 April 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

Tue 5/5

07:30-14:00

1 stop12h 30m

Chicago O'Hare Intl

Tue 12/5

21:00-17:25

1 stop14h 25m

£546
Fastest return journey

BristolChicago

BRS - ORD

BRSORD

Bristol

Mon 18/5

08:55-19:15

1 stop16h 20m

Chicago O'Hare Intl

Mon 25/5

15:45-07:35

1 stop9h 50m

£549

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 21/4

13:35-00:24

3 stops40h 49m

Chicago O'Hare Intl

Thu 23/4

17:10-16:55

1 stop17h 45m

£591

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 19/5

23:15-19:40

2 stops26h 25m

Chicago O'Hare Intl

Tue 26/5

13:18-10:15

3 stops38h 57m

£654

BristolChicago

BRS - ORD

BRSORD

Bristol

Mon 18/5

12:25-16:10

2 stops33h 45m

Chicago O'Hare Intl

Sun 24/5

19:15-22:55

2 stops21h 40m

£677

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sun 17/5

21:45-19:40

2 stops27h 55m

Chicago O'Hare Intl

Sun 24/5

09:55-10:15

1 stop18h 20m

£700

ManchesterChicago

MAN - MDW

MANMDW

Manchester

Wed 16/9

05:55-18:31

2 stops18h 36m

Chicago Midway

Wed 23/9

13:00-08:15

2 stops13h 15m

£732

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Thu 7/5

09:45-18:33

2 stops14h 48m

Chicago Midway

Tue 12/5

19:13-16:45

2 stops15h 32m

£747

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Tue 19/5

09:45-18:33

2 stops14h 48m

Chicago Midway

Tue 26/5

13:22-09:15

2 stops13h 53m

£753

ManchesterSt. Louis

MAN - STL

MANSTL

Manchester

Thu 3/9

07:45-20:19

2 stops18h 34m

Lambert-St Louis

Wed 9/9

09:46-09:50

2 stops18h 04m

£753

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 53 resultsSorted by cheapest first
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2
3
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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 4 April 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
7.7
Good
1,487 reviews
Check prices

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,487 reviews
KLM
7.7
Good
1,487 reviews
Check prices

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 14h 48m. The distance from Wales to Illinois is about 3833 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 4 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£557Average£713FlexibilityNo 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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