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Cheap flights from Wales to Illinois from £586
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ORD
8 Nov — 15 Nov1
Cheap flight deals from Wales to Illinois
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
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 9 October 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 9 October 2026.
Fri 30/1023:10 -
1 stop21h 00m
Wed 4/1115:55 -
1 stop15h 05m
Deal found 6/10£586
Sun 22/1110:20 -
2 stops19h 34m
Sun 29/1116:25 -
1 stop11h 25m
Deal found 8/10£652
Wed 18/1110:20 -
2 stops19h 34m
Wed 25/1116:25 -
1 stop18h 35m
Deal found 5/10£652
Fri 30/1010:20 -
1 stop34h 05m
Wed 4/1110:30 -
2 stops17h 15m
Deal found 6/10£661
Wed 18/1117:30 -
1 stop26h 55m
Wed 25/1116:25 -
1 stop11h 20m
Deal found 5/10£661
Mon 2/1117:30 -
2 stops29h 02m
Mon 9/1116:25 -
1 stop11h 20m
Deal found 5/10£666
Mon 2/1117:30 -
3 stops29h 50m
Mon 9/1118:30 -
3 stops33h 20m
Deal found 5/10£690
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 9 October 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 9 October 2026.
Fri 30/1023:10 -
1 stop21h 00m
Wed 4/1115:55 -
1 stop15h 05m
Deal found 6/10£586
Fri 30/1010:20 -
1 stop34h 05m
Wed 4/1110:30 -
2 stops17h 15m
Deal found 6/10£661
Mon 2/1117:30 -
2 stops29h 02m
Mon 9/1116:25 -
1 stop11h 20m
Deal found 5/10£666
Sun 22/1110:20 -
2 stops19h 34m
Sun 29/1116:25 -
1 stop11h 25m
Deal found 8/10£652
Wed 18/1110:20 -
2 stops19h 34m
Wed 25/1112:38 -
2 stops15h 07m
Deal found 5/10£655
Mon 5/409:50 -
2 stops17h 43m
Tue 27/410:10 -
2 stops17h 05m
Deal found 5/10£774
Mon 2/1108:35 -
2 stops14h 45m
Mon 9/1118:30 -
3 stops33h 20m
Deal found 5/10£705
Fri 20/1110:20 -
2 stops19h 34m
Fri 27/1118:00 -
2 stops17h 00m
Deal found 6/10£786
Sat 3/415:40 -
3 stops30h 20m
Sat 24/419:25 -
2 stops15h 30m
Deal found 5/10£801
Last-minute flights from Wales to IllinoisDiscover last-minute flight deals from Wales to Illinois. Data last updated 9 October 2026 and is based on user searches.
Discover last-minute flight deals from Wales to Illinois. Data last updated 9 October 2026 and is based on user searches.
Fri 30/1023:10 -
1 stop21h 00m
Wed 4/1115:55 -
1 stop15h 05m
Deal found 6/10£586
Fri 30/1010:20 -
1 stop34h 05m
Wed 4/1110:30 -
2 stops17h 15m
Deal found 6/10£661
Mon 2/1117:30 -
2 stops29h 02m
Mon 9/1116:25 -
1 stop11h 20m
Deal found 5/10£666
Mon 2/1117:30 -
3 stops29h 50m
Mon 9/1118:30 -
3 stops33h 20m
Deal found 5/10£690
Wed 18/1110:20 -
2 stops19h 34m
Wed 25/1116:25 -
1 stop18h 35m
Deal found 5/10£652
Wed 18/1117:30 -
1 stop26h 55m
Wed 25/1116:25 -
1 stop11h 20m
Deal found 5/10£661
Sun 22/1110:20 -
2 stops19h 34m
Sun 29/1116:25 -
1 stop11h 25m
Deal found 8/10£652
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 7,457,451 searches. Data last updated 9 October 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
Cheapest return flight
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Fri 30/10
23:10-15:10
1 stop21h 00m
Chicago O'Hare Intl
Wed 4/11
15:55-13:00
1 stop15h 05m
£586
Fastest return journey
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Sun 22/11
10:20-23:54
2 stops19h 34m
Chicago O'Hare Intl
Sun 29/11
16:25-09:50
1 stop11h 25m
£652
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Wed 18/11
10:20-23:54
2 stops19h 34m
Chicago O'Hare Intl
Wed 25/11
12:38-09:45
2 stops15h 07m
£655
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Fri 30/10
10:20-15:25
1 stop34h 05m
Chicago O'Hare Intl
Wed 4/11
10:30-09:45
2 stops17h 15m
£661
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Mon 2/11
17:30-16:32
2 stops29h 02m
Chicago O'Hare Intl
Mon 9/11
16:25-09:45
1 stop11h 20m
£666
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Mon 2/11
08:35-17:20
2 stops14h 45m
Chicago O'Hare Intl
Mon 9/11
18:30-09:50
3 stops33h 20m
£705
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Mon 5/4
09:50-21:33
2 stops17h 43m
Chicago O'Hare Intl
Tue 27/4
10:10-09:15
2 stops17h 05m
£774
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Fri 20/11
10:20-23:54
2 stops19h 34m
Chicago O'Hare Intl
Fri 27/11
18:00-17:00
2 stops17h 00m
£786
CardiffChicago
CWL Cardiff Wales - ORD Chicago O'Hare Intl
CWLORD
Cardiff Wales
Sat 3/4
15:40-16:00
3 stops30h 20m
Chicago O'Hare Intl
Sat 24/4
19:25-16:55
2 stops15h 30m
£801
Sorted 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.
CWL-ORD
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
CWL-ORD
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 October 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.
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sept 2026
QRO - ATL
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sept 2026
QRO - ATL
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
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 9 October 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
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 7,457,451 searches. Data last updated 9 October 2026.
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 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.