What are the cheapest airlines to fly from USA to Cardiff one-way?

To fly one-way, consider booking your trip with ITA Airways, which is currently one of the cheapest options available, starting at $406. Delta flights start at $426 while deals on KLM start at $504 one-way.

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

Currently, February is the cheapest month in which you can book a flight from USA to Cardiff (average of $773). Flying from USA to Cardiff in June is currently the most expensive (average of $1,622). 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.

In terms of precipitation, rainfall in Cardiff ranges from 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Cardiff when rainfall is around 2.0 in.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from USA to Cardiff?

The most popular route from USA to Cardiff is New York John F Kennedy Intl - Cardiff Wales. You may also consider Newark - Cardiff Wales or Washington, D.C. Dulles Intl - Cardiff Wales.

What is the cheapest time of day to fly from US to CWL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Cardiff as you normally would.

What airport do you fly into for flights to Cardiff from United States?

Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Cardiff from United States.

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

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

How can I find direct flights from USA to Cardiff?

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

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

Yes. Cheapflights offers flight deals from USA to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$223+ Flights from the United States to Cardiff

Round-trip from	$478 (Mytrip)
One-way from	$223 (Kiwi.com)

KLM's Economy Comfort offers 4 inches extra legroom on long-haul flights, enhancing comfort.

KLM's long-haul premium economy provides extra width and legroom with an upgraded service.

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$766	Average$1,023	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$791	Average$992	FlexibilityNo cancel fee	On-timeN/A

$223+ Cheap flights from the United States to Cardiff (CWL)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Cardiff

Keep the following information in mind while searching for USA to Cardiff flight deals. Data was last updated July 30, 2025.

Round-trip from

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Cheapest flights from USA to CardiffExplore the most affordable flight options available from USA to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from USA to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

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The best insider tips for theUnited States to Cardiff flights

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Best time to book a flight from USA to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from USA with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United States to Cardiff

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

What is the cheapest time of day to fly from US to CWL?

Find hourly flight availability from USA to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Reviews of airlines servicing Cardiff

See what other customers who have flown with Delta, KLM, and Air France from the United States to Cardiff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Cardiff. 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 into for flights to Cardiff from United States?

What are the cheapest airlines to fly from USA to Cardiff one-way?

What are the most popular routes from USA to Cardiff?

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

How can I find direct flights from USA to Cardiff?

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

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

Traveling to a place near Cardiff?

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Alternative routes for USA to Cardiff

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Top 2 airlines flying from USA to Cardiff

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Cheapest flights from USA to Cardiff
Explore the most affordable flight options available from USA to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.