$1,011 Cheap Flights from Billings (BIL) to Cardiff (CWL)

View $1,011 flight on Thu, Jun 5, 2025Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Cardiff International Airport (CWL)

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Find available prices by choosing your travel dates.

Cheap Flights from Billings to Cardiff (BIL-CWL)

Prices were available within the past 7 days and start at $1,011 for one-way flights and $1,242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 3 - Wed, Jun 11
BIL
Billings
CWL
Cardiff
$1,242 Roundtrip, found 5 days ago
$1,242
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jun 3 from Billings to Cardiff, returning Wed, Jun 11, priced at $1,242 found 5 days ago
Delta
Wed, Jun 4 - Mon, Jun 9
BIL
Billings
CWL
Cardiff
$1,262 Roundtrip, found 5 days ago
$1,262
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jun 4 from Billings to Cardiff, returning Mon, Jun 9, priced at $1,262 found 5 days ago
Delta
Mon, Jun 2 - Sun, Jun 8
BIL
Billings
CWL
Cardiff
$1,302 Roundtrip, found 5 days ago
$1,302
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Jun 2 from Billings to Cardiff, returning Sun, Jun 8, priced at $1,302 found 5 days ago
Delta
Thu, Jun 5 - Thu, Jun 12
BIL
Billings
CWL
Cardiff
$1,312 Roundtrip, found 5 days ago
$1,312
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jun 5 from Billings to Cardiff, returning Thu, Jun 12, priced at $1,312 found 5 days ago
Delta
Wed, Jun 4 - Sun, Jun 8
BIL
Billings
CWL
Cardiff
$1,322 Roundtrip, found 5 days ago
$1,322
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jun 4 from Billings to Cardiff, returning Sun, Jun 8, priced at $1,322 found 5 days ago
Delta
Fri, Jun 6 - Wed, Jun 11
BIL
Billings
CWL
Cardiff
$1,332 Roundtrip, found 5 days ago
$1,332
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Jun 6 from Billings to Cardiff, returning Wed, Jun 11, priced at $1,332 found 5 days ago
Delta
Thu, Jun 5 - Mon, Jun 9
BIL
Billings
CWL
Cardiff
$1,341 Roundtrip, found 5 days ago
$1,341
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jun 5 from Billings to Cardiff, returning Mon, Jun 9, priced at $1,341 found 5 days ago
Delta
Thu, Jun 5 - Mon, Jun 9
BIL
Billings
CWL
Cardiff
$1,358 Roundtrip, found 5 days ago
$1,358
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jun 5 from Billings to Cardiff, returning Mon, Jun 9, priced at $1,358 found 5 days ago
Delta
Thu, Jun 5 - Mon, Jun 9
BIL
Billings
CWL
Cardiff
$1,367 Roundtrip, found 5 days ago
$1,367
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jun 5 from Billings to Cardiff, returning Mon, Jun 9, priced at $1,367 found 5 days ago
Air France
Thu, Jun 5 - Mon, Jun 9
BIL
Billings
CWL
Cardiff
$1,434 Roundtrip, found 5 days ago
$1,434
Roundtrip
found 5 days ago
Select Air France flight, departing Thu, Jun 5 from Billings to Cardiff, returning Mon, Jun 9, priced at $1,434 found 5 days ago
Flights from Billings (BIL) to Cardiff (CWL)
Origin airport
Logan Intl.
Destination airport
Cardiff Intl.
Roundtrip price
$1,242
Distance
4386 mi

Billings to Cardiff Flights

The cheapest times to fly from Billings 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 Billings to Cardiff are during the month of June. You can find some of the cheapest flights from Billings to Cardiff with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Billings to Cardiff

Sunday is one of the best days to book for cheap flights from Billings 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 Billings 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 Billings to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,011 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 Billings 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 Billings 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.

Frequently asked questions

How much does a flight from Logan Intl. Airport (BIL) to Cardiff Intl. Airport (CWL) cost?
Discover the latest flight deals from BIL to CWL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BIL to CWL?
The cheapest flights from BIL to CWL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BIL to CWL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BIL to CWL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Logan Intl. Airport (BIL) to Cardiff Intl. Airport (CWL)?
Direct flights from Logan Intl. Airport (BIL) 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 choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from BIL to CWL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, including the airline 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 Logan Intl. Airport (BIL) to Cardiff Intl. Airport (CWL)?
Choose a flight from Logan Intl. Airport (BIL) to Cardiff Intl. Airport (CWL) that takes off 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 Logan Intl. Airport (BIL) to Cardiff Intl. Airport (CWL) last-minute?
Holding off until just before your trip to book your flight from BIL to CWL generally means paying more. Although you may find some last-minute deals, there’s no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a BIL to CWL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BIL to CWL flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Cardiff Intl. Airport (CWL)?
Usually, it’s possible to cancel or reschedule your BIL to CWL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.