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$358+ Cheap flights from Cardiff (CWL) to Illinois

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ORD
ene. 21 — ene. 281
mié. 1/21
mié. 1/28
1 adult, Economy
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Cheap flight deals from Cardiff to Illinois

Best flights from Cardiff to Illinois
Discover carefully curated flight deals from Cardiff to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 22, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/35:25 pmCWL - ORD
1 stop26h 55mVirgin Atlantic
mar. 2/107:00 amORD - CWL
2 stops20h 50mVirgin Atlantic
Deal found 12/20$700
This KLM deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/710:20 amCWL - ORD
2 stops16h 45mKLM
sáb. 2/1412:29 pmORD - CWL
2 stops15h 16mKLM
Deal found 12/21$706
This Delta deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/310:20 amCWL - ORD
2 stops17h 15mDelta
mar. 2/108:50 amORD - CWL
2 stops19h 00mDelta
Deal found 12/20$706
This Mytrip deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/75:25 pmCWL - ORD
3 stops29h 30mMultiple Airlines
sáb. 2/147:20 pmORD - CWL
3 stops19h 35mMultiple Airlines
Deal found 12/21$747
This oojo deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/58:35 amCWL - ORD
2 stops14h 25mBritish Airways
jue. 2/129:45 pmORD - CWL
2 stops31h 45mBritish Airways
Deal found 12/22$791
This KLM deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/35:25 pmCWL - MDW
2 stops30h 04mKLM
mar. 2/101:26 pmMDW - CWL
2 stops14h 24mKLM
Deal found 12/20$710
This Expedia deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/55:25 pmCWL - MDW
2 stops31h 11mMultiple Airlines
jue. 2/126:40 pmMDW - CWL
2 stops57h 05mMultiple Airlines
Deal found 12/22$891
This KLM deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/75:25 pmCWL - MDW
2 stops28h 51mKLM
sáb. 2/141:29 pmMDW - CWL
2 stops14h 16mKLM
Deal found 12/21$903
This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/510:30 amCWL - ORD
2 stops34h 55mMultiple Airlines
jue. 2/129:00 pmORD - CWL
1 stop19h 00mMultiple Airlines
Deal found 12/22$986
This Mytrip deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/35:25 pmCWL - ORD
3 stops27h 35mMultiple Airlines
mar. 2/103:55 pmORD - CWL
2 stops17h 35mMultiple Airlines
Deal found 12/20$1,005

Find flight deals from Cardiff to Illinois

Keep the following information in mind while searching for Cardiff to Illinois flight deals. Data was last updated diciembre 22, 2025.

Round-trip from

$700
(Virgin Atlantic)

One-way from

$358
(Kiwi.com)
From Cardiff Wales to Illinois
Search Deals
One-way flight from Cardiff Wales to Illinois
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cardiff 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 2,558,603 searches. Data last updated diciembre 22, 2025.
Use the filters below to find and compare flights from Cardiff to Illinois that are best for you.

Fly from

Cardiff

Fly to

Illinois

Route

Depart

Return

Price

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

mar. 2/3

5:25 pm-2:20 pm

1 stop26h 55m

Chicago O'Hare Intl

mar. 2/10

7:00 am-9:50 am

2 stops20h 50m

$700

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

sáb. 2/7

10:20 am-9:05 pm

2 stops16h 45m

Chicago O'Hare Intl

sáb. 2/14

12:29 pm-9:45 am

2 stops15h 16m

$706

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

mar. 2/3

10:20 am-9:35 pm

2 stops17h 15m

Chicago O'Hare Intl

mar. 2/10

8:50 am-9:50 am

2 stops19h 00m

$706

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

mar. 2/3

5:25 pm-5:29 pm

2 stops30h 04m

Chicago Midway

mar. 2/10

1:26 pm-9:50 am

2 stops14h 24m

$710

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

sáb. 2/7

5:25 pm-4:55 pm

3 stops29h 30m

Chicago O'Hare Intl

sáb. 2/14

7:20 pm-8:55 pm

3 stops19h 35m

$747

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

jue. 2/5

8:35 am-5:00 pm

2 stops14h 25m

Chicago O'Hare Intl

jue. 2/12

9:45 pm-11:30 am

2 stops31h 45m

$791

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

jue. 2/5

5:25 pm-6:36 pm

2 stops31h 11m

Chicago Midway

jue. 2/12

6:40 pm-9:45 am

2 stops57h 05m

$891

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

sáb. 2/7

5:25 pm-4:16 pm

2 stops28h 51m

Chicago Midway

sáb. 2/14

1:29 pm-9:45 am

2 stops14h 16m

$903

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

jue. 2/5

10:30 am-3:25 pm

2 stops34h 55m

Chicago O'Hare Intl

jue. 2/12

9:00 pm-10:00 pm

1 stop19h 00m

$986

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

mar. 2/3

5:25 pm-3:00 pm

3 stops27h 35m

Chicago O'Hare Intl

mar. 2/10

3:55 pm-3:30 pm

2 stops17h 35m

$1,005

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 13 results
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Best time to book a flight from Cardiff to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Cardiff with our price prediction graph.
Estimated round-trip 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 Cardiff to Illinois

What is the cheapest month to book a flight from Cardiff to Illinois?

Currently, September is the cheapest month in which you can book a flight from Cardiff to Illinois (average of $204). Flying from Cardiff to Illinois in October is currently the most expensive (average of $1,250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Illinois?

    Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to Illinois. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

  • How long is the flight from Cardiff to Illinois?

    For as low as $706, Virgin Atlantic can have you in Illinois from Cardiff in 16h 45m. Cardiff and Illinois are separated by a distance of 3831 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Cardiff to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Cardiff 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.

  • What is the cheapest month to book a flight from Cardiff to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Cardiff to Illinois (average of $204). Flying from Cardiff to Illinois in October is currently the most expensive (average of $1,250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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