CWL - CHI

£597 Find Cheap Flights from Cardiff to Chicago – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£597
Typical prices: £674-£892
Air France, KLM
Sun 21/10Fri 2/11
CWL - ORD • 1 stop
Top routes
CWL - MDW
Cheapest • 8% average savings
CWL - ORD
Most popular
Insights
Insights
When to travel
February
Cheapest • 28% price drop
July
Most popular
Good to know
+1
Good to know
+1
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Cheap Flights from Cardiff to Chicago (CWL-CHI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Cardiff to Chicago

Wed, 21 Oct - Mon, 2 Nov
Multiple Airlines Logo
17:15 - 14:15CWL  Cardiff Wales-ORD Chicago O'Hare Intl
27h 00m1 stop Amsterdam Schiphol
Multiple Airlines Logo
16:25 - 17:00ORD  Chicago O'Hare Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
£597Multiple Airlines
Thu, 22 Oct - Mon, 2 Nov
Multiple Airlines Logo
17:15 - 14:15CWL  Cardiff Wales-ORD Chicago O'Hare Intl
27h 00m1 stop Amsterdam Schiphol
Multiple Airlines Logo
16:25 - 09:45ORD  Chicago O'Hare Intl-CWL Cardiff Wales
11h 20m1 stop Amsterdam Schiphol
£597Multiple Airlines
Wed, 21 Oct - Mon, 2 Nov
Multiple Airlines Logo
17:15 - 14:15CWL  Cardiff Wales-ORD Chicago O'Hare Intl
27h 00m1 stop Amsterdam Schiphol
Multiple Airlines Logo
16:25 - 17:00ORD  Chicago O'Hare Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
£598Multiple Airlines
Wed, 21 Oct - Mon, 2 Nov
Multiple Airlines Logo
09:45 - 21:43CWL  Cardiff Wales-ORD Chicago O'Hare Intl
17h 58m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Multiple Airlines Logo
16:25 - 09:45ORD  Chicago O'Hare Intl-CWL Cardiff Wales
11h 20m1 stop Amsterdam Schiphol
£604Multiple Airlines
Thu, 22 Oct - Mon, 2 Nov
Multiple Airlines Logo
09:45 - 21:43CWL  Cardiff Wales-ORD Chicago O'Hare Intl
17h 58m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Multiple Airlines Logo
16:25 - 09:45ORD  Chicago O'Hare Intl-CWL Cardiff Wales
11h 20m1 stop Amsterdam Schiphol
£604Multiple Airlines
Wed, 21 Oct - Mon, 2 Nov
Multiple Airlines Logo
09:45 - 21:43CWL  Cardiff Wales-ORD Chicago O'Hare Intl
17h 58m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Multiple Airlines Logo
16:25 - 09:45ORD  Chicago O'Hare Intl-CWL Cardiff Wales
11h 20m1 stop Amsterdam Schiphol
£605Multiple Airlines
Wed, 21 Oct - Mon, 2 Nov
Delta Logo
09:45 - 20:30CWL  Cardiff Wales-ORD Chicago O'Hare Intl
16h 45m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
17:29 - 17:00ORD  Chicago O'Hare Intl-CWL Cardiff Wales
17h 31m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£619Delta
Wed, 21 Oct - Mon, 2 Nov
Delta Logo
09:45 - 20:30CWL  Cardiff Wales-ORD Chicago O'Hare Intl
16h 45m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
17:29 - 17:00ORD  Chicago O'Hare Intl-CWL Cardiff Wales
17h 31m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£619Delta
Wed, 21 Oct - Mon, 2 Nov
KLM Logo
09:45 - 21:27CWL  Cardiff Wales-ORD Chicago O'Hare Intl
17h 42m2 stops Amsterdam Schiphol Minneapolis St Paul
KLM Logo
18:08 - 17:00ORD  Chicago O'Hare Intl-CWL Cardiff Wales
16h 52m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£653KLM
Wed, 21 Oct - Mon, 2 Nov
KLM Logo
09:45 - 22:33CWL  Cardiff Wales-MDW Chicago Midway
18h 48m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
KLM Logo
11:38 - 09:45MDW  Chicago Midway-CWL Cardiff Wales
16h 07m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£920KLM
Booking Insights

Price, demand, and travel trends for Cardiff to Chicago flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Cardiff to Chicago with more confidence.

What is the cheapest Cardiff to Chicago flight route?

Cardiff (CWL) to Chicago Midway Airport (MDW) is the cheapest Cardiff to Chicago route, averaging £674 return. Other Cardiff to Chicago routes average £786, based on KAYAK data over the past 12 months.

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Key details for Cardiff to Chicago flights

Low season

April
Most popular time to fly (11% more expensive on average)

When to book flights from Cardiff to Chicago

Are your dates flexible? Find out the best times to travel from Cardiff to Chicago based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Cardiff to Chicago flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Cardiff to Chicago?

    Flights from Cardiff to Chicago usually depart from Cardiff Wales (CWL) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

  • Which cabin classes can I book on flights from Cardiff to Chicago?

    Only Economy class is available on flights from Cardiff to Chicago.

  • Which airports do connecting flights from Cardiff to Chicago pass through?

    Most connecting flights from Cardiff to Chicago pass through Amsterdam Schiphol (AMS), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Cardiff to Chicago?

    Yes. Being flexible with your travel dates can save you up to 36% on the Cardiff to Chicago route. Thursday is the cheapest departure day at £565 return on average, while Wednesday is the most expensive at £873, a difference of £308. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Chicago?

    Some of the most popular sights in Chicago are Grant Park, Magnificent Mile, and United Center. These are among the most viewed places in Chicago on KAYAK.

  • Do I need a passport to fly from Cardiff to Chicago?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Cardiff to Chicago changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £597 to £1,653. That means the highest observed fare was about 3x higher than the lowest one.

  • What is the time difference between Cardiff and Chicago?

    Chicago is 6 hours behind Cardiff (Central Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car hire options are available in Chicago?

    Since Chicago is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near Chicago O'Hare Intl Airport (ORD) – daily rates from around £13:

    • Routes Car & Truck Rentals
    • Europcar
    • Hertz
    • Dollar
    • Ace

    Near Chicago Midway Airport (MDW) – daily rates from around £24:

    • Hertz
    • Dollar
    • Budget
    • Alamo
    • Rent-A-Wreck

    Near Chicago Greater Rockford Airport (RFD) – daily rates from around £22:

    • Alamo
    • Enterprise Rent-A-Car
    • Budget
    • Avis
    • National

  • How much should I expect to pay for a Cardiff to Chicago flight?

    Return flights from Cardiff to Chicago range from £674 to £892, with an average of £786 over the past 12 months. Anything below £674 counts as a good deal.

Your guide to booking Cardiff to Chicago flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Wednesday. On this route, Thursday flights average £565 – about £308 less than Wednesday (35% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Cardiff to Chicago trip for February. Fares historically average £565 return in that month – typically £555 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chicago Midway Airport.
    - DoubleTree by Hilton Chicago Midway Airport
    - Skylark Motel

More options for your flight from Cardiff to Chicago

Complete your trip to Chicago with a hotel stay or car hire

Car hire in Chicago
Hotels in Chicago
Holidays in Chicago