$525 Cheap Flights from Detroit (DTW) to Cardiff (CWL)

View $525 flight on Sun, Jan 4, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff International Airport (CWL)

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Cheap Flights from Detroit to Cardiff (DTW-CWL)

Prices were available within the past 7 days and start at $525 for one-way flights and $803 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 2 - Mon, Dec 15
DTW
Detroit
CWL
Cardiff
$803 Roundtrip, found 6 days ago
$803
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Dec 2 from Detroit to Cardiff, returning Mon, Dec 15, priced at $803 found 6 days ago
Delta
Sun, Nov 30 - Mon, Dec 15
DTW
Detroit
CWL
Cardiff
$808 Roundtrip, found 6 days ago
$808
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Nov 30 from Detroit to Cardiff, returning Mon, Dec 15, priced at $808 found 6 days ago
Delta
Fri, Dec 12 - Tue, Dec 23
DTW
Detroit
CWL
Cardiff
$808 Roundtrip, found 6 days ago
$808
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Dec 12 from Detroit to Cardiff, returning Tue, Dec 23, priced at $808 found 6 days ago
Virgin Atlantic
Thu, Feb 5 - Thu, Feb 12
DTW
Detroit
CWL
Cardiff
$811 Roundtrip, found 23 hours ago
$811
Roundtrip
found 23 hours ago
Select Virgin Atlantic flight, departing Thu, Feb 5 from Detroit to Cardiff, returning Thu, Feb 12, priced at $811 found 23 hours ago
Delta
Sat, Feb 7 - Sun, Feb 22
DTW
Detroit
CWL
Cardiff
$811 Roundtrip, found 5 days ago
$811
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 7 from Detroit to Cardiff, returning Sun, Feb 22, priced at $811 found 5 days ago
Delta
Tue, Dec 2 - Sun, Dec 14
DTW
Detroit
CWL
Cardiff
$814 Roundtrip, found 6 days ago
$814
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Dec 2 from Detroit to Cardiff, returning Sun, Dec 14, priced at $814 found 6 days ago
Delta
Fri, Jan 9 - Fri, Jan 23
DTW
Detroit
CWL
Cardiff
$816 Roundtrip, found 5 days ago
$816
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Jan 9 from Detroit to Cardiff, returning Fri, Jan 23, priced at $816 found 5 days ago
Delta
Fri, Jan 9 - Tue, Jan 20
DTW
Detroit
CWL
Cardiff
$816 Roundtrip, found 6 days ago
$816
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jan 9 from Detroit to Cardiff, returning Tue, Jan 20, priced at $816 found 6 days ago
KLM
Thu, Feb 5 - Thu, Feb 12
DTW
Detroit
CWL
Cardiff
$863 Roundtrip, found 23 hours ago
$863
Roundtrip
found 23 hours ago
Select KLM flight, departing Thu, Feb 5 from Detroit to Cardiff, returning Thu, Feb 12, priced at $863 found 23 hours ago
Air France
Mon, Apr 6 - Mon, Apr 20
DTW
Detroit
CWL
Cardiff
$929 Roundtrip, found 5 days ago
$929
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Apr 6 from Detroit to Cardiff, returning Mon, Apr 20, priced at $929 found 5 days ago

Alternative airports near Cardiff

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bristol Intl. BRS. Average driving time to city center is 1 hour 0 minutes. Flights from $1,009
BRS
Bristol Intl.
Average driving time to city center1 h 0 min
Flights from $1,009

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL) cost?
Snag a cheap one-way flight from $525 or cheap return flight from $803 from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL)?
December is the cheapest month to fly from DTW to CWL. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DTW to CWL flight.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL)?
Nonstop flights from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DTW to CWL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL)?
Select a flight from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL) last-minute?
Holding off until just before your trip to book a flight from DTW to CWL generally means paying more. While you may come across some last-minute offers, there's no guarantee. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a DTW to CWL flight and hotel package?
You'll generally save money by securing a DTW to CWL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Cardiff Intl. Airport (CWL)?
It's usually possible to cancel or reschedule your DTW to CWL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
Cardiff Intl.
Airlines serving
Air France, Delta, KLM, Virgin Atlantic
Roundtrip price
$803
Distance
3644 mi

Book with confidence

Detroit to Cardiff Flights

The cheapest times to fly from Detroit to Cardiff

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Cardiff are during the month of December. You can find some of the cheapest flights from Detroit to Cardiff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Cardiff

Sunday is one of the best days to book for cheap flights from Detroit to Cardiff: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Cardiff

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $525 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Cardiff flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Cardiff airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Detroit to Cardiff Flights

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*Available to One Key members.