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£384 Cheap Flights from Denver (DEN) to Cardiff (CWL)

View £384 flight on Wed, 23 Dec 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to Cardiff International Airport (CWL)

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Cheap Flights from Denver (DEN) to Cardiff (CWL)

Prices were available within the past 7 days and start at £384 for one-way flights and £855 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Tue, 15 Sept - Tue, 22 Sept
DEN
Denver
CWL
Cardiff
£855 Return, found 7 hours ago
£855
Return
found 7 hours ago
Select Air France flight, departing Tue, 15 Sept from Denver to Cardiff, returning Tue, 22 Sept, priced at £855 found 7 hours ago
KLM
Tue, 15 Sept - Tue, 22 Sept
DEN
Denver
CWL
Cardiff
£855 Return, found 7 hours ago
£855
Return
found 7 hours ago
Select KLM flight, departing Tue, 15 Sept from Denver to Cardiff, returning Tue, 22 Sept, priced at £855 found 7 hours ago
Virgin Atlantic
Tue, 15 Sept - Tue, 22 Sept
DEN
Denver
CWL
Cardiff
£855 Return, found 7 hours ago
£855
Return
found 7 hours ago
Select Virgin Atlantic flight, departing Tue, 15 Sept from Denver to Cardiff, returning Tue, 22 Sept, priced at £855 found 7 hours ago
Delta
Mon, 21 Sept - Fri, 9 Oct
DEN
Denver
CWL
Cardiff
£864 Return, found 6 days ago
£864
Return
found 6 days ago
Select Delta flight, departing Mon, 21 Sept from Denver to Cardiff, returning Fri, 9 Oct, priced at £864 found 6 days ago
Delta
Mon, 31 Aug - Fri, 18 Sept
DEN
Denver
CWL
Cardiff
£867 Return, found 6 days ago
£867
Return
found 6 days ago
Select Delta flight, departing Mon, 31 Aug from Denver to Cardiff, returning Fri, 18 Sept, priced at £867 found 6 days ago
Virgin Atlantic
Tue, 15 Sept - Tue, 22 Sept
DEN
Denver
CWL
Cardiff
£876 Return, found 7 hours ago
£876
Return
found 7 hours ago
Select Virgin Atlantic flight, departing Tue, 15 Sept from Denver to Cardiff, returning Tue, 22 Sept, priced at £876 found 7 hours ago
Virgin Atlantic
Tue, 15 Sept - Tue, 22 Sept
DEN
Denver
CWL
Cardiff
£876 Return, found 7 hours ago
£876
Return
found 7 hours ago
Select Virgin Atlantic flight, departing Tue, 15 Sept from Denver to Cardiff, returning Tue, 22 Sept, priced at £876 found 7 hours ago
KLM
Tue, 15 Sept - Tue, 22 Sept
DEN
Denver
CWL
Cardiff
£877 Return, found 7 hours ago
£877
Return
found 7 hours ago
Select KLM flight, departing Tue, 15 Sept from Denver to Cardiff, returning Tue, 22 Sept, priced at £877 found 7 hours ago
Delta
Thu, 24 Dec - Wed, 6 Jan
DEN
Denver
CWL
Cardiff
£883 Return, found 8 hours ago
£883
Return
found 8 hours ago
Select Delta flight, departing Thu, 24 Dec from Denver to Cardiff, returning Wed, 6 Jan, priced at £883 found 8 hours ago
Air France
Tue, 15 Sept - Tue, 22 Sept
DEN
Denver
CWL
Cardiff
£897 Return, found 7 hours ago
£897
Return
found 7 hours ago
Select Air France flight, departing Tue, 15 Sept from Denver to Cardiff, returning Tue, 22 Sept, priced at £897 found 7 hours 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. Cheapest option available. Average driving time to city centre is 1 hour 0 minutes. Flights from £913
BRS
Bristol Intl.
Cheapest
Average driving time to city centre1 h 0 min
Flights from £913

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) cost?
You can find one-way and return flights from DEN to CWL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to CWL ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
The cheapest months to fly from DEN to CWL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
Enter DEN to CWL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
Delta is one of the cheapest airlines offering connecting return flights from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.), with prices starting from around £717 for flights that can be booked for departure within the next year. These flights typically include a layover in Minneapolis - St. Paul Intl. (MSP). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
There are approximately 22 connecting flights per day from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Minneapolis - St. Paul Intl. (MSP), and Detroit Metropolitan Wayne County (DTW).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
The earliest flight from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) typically departs around 12:35 AM local time. This route is operated by airlines such as Delta and KLM. This is a seasonal service, active in April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
You'll typically find the most flights from Denver International Airport (DEN) to Cardiff (CWL) on a Wednesday, with around 54 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Delta and British Airways.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
The most popular departure times for flights from Denver Intl. (DEN) to Cardiff Intl. (CWL) are in the morning, between 9am and 12pm. Delta offers flights during this window. Many travellers prefer this timing as it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
There are no nonstop flights from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.). Flights with two or more stops typically take around 20 hours 18 minutes to cover the approximately 7,340 kilometers between the two cities. Keep in mind that actual travel times can vary depending on your specific routing, layover durations, and factors like wind patterns.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
Select the "Business class" and "First class" filters when looking for DEN to CWL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cardiff (CWL) from Denver, CO (DEN)?
If you're planning to travel to Cardiff from Denver Intl. (DEN), you typically fly into Cardiff Intl. (CWL). Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Minneapolis - St. Paul Intl. (MSP), or Detroit Metropolitan Wayne County (DTW) before reaching Cardiff. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Cardiff (CWL-Cardiff Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Cardiff Intl.
Airlines serving
Air France, Delta, KLM, Virgin Atlantic
Return price
£854
Distance
7296 km

Book with confidence

Compare flights from Denver to Cardiff easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Denver to Cardiff. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Cardiff Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Denver Intl. to Cardiff Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Denver Intl. (DEN) to Cardiff Intl. (CWL)

The easiest way to view the best deals on flights from Denver to Cardiff today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Denver Intl. to Cardiff Intl. start at just £855 and range up to £897.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Denver and Cardiff
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Denver to Cardiff flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Denver Intl. to Cardiff Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Denver to Cardiff easily and book with confidence

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*Available to Expedia members.