Cheap flights from the United States to Cardiff from $420
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Cardiff departing on 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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KLM flights from United States to Cardiff
Our best KLM deals on United States to Cardiff flight tickets
Delta flights from United States to Cardiff
Our best Delta deals on United States to Cardiff flight tickets
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How to get the cheapest flight ticket from United States to Cardiff
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Cardiff?
The cheapest day to depart on your flight to Cardiff is on a Thursday when prices can be found for as low as $905. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,575. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cardiff.
What is the cheapest time of day to depart on your flight to Cardiff?
Flying to Cardiff from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,048 on average. Flights to Cardiff from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest airline that flies from United States to Cardiff Wales?
Delta, ITA Airways, and KLM are the most popular carriers operating from United States to Cardiff Wales
What airlines fly to Cardiff?
KLM, Aer Lingus and Delta are the top three most popular airlines that fly to Cardiff from United States according to our data. KLM is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Cardiff. Keep in mind that there are 3 different airlines that fly to Cardiff on a routine basis, so you have a few additional options to choose from.
Cheap United States to Cardiff flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Cardiff
When did momondo last update prices for flights from United States to Cardiff Wales Airport?
Prices for flights from United States to Cardiff Wales Airport are updated daily.
How many operators does momondo search for flights from United States to Cardiff Wales Airport?
As of April 2025, there are 2 operators available to choose from for flights from United States to Cardiff Wales Airport.
How old do you have to be to fly from United States to Cardiff Wales Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The travel and health documents required for your trip to Cardiff Wales Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cardiff Wales Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from United States to Cardiff
Compare and see reviews for airlines that fly from United States to Cardiff with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $742 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $756 | Free Cancellation | Rating 7.8 1,334 reviews |
Traveling to a place near Cardiff?
Book flights to Cardiff if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United States to Cardiff?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Cardiff for you.
Can I find flights from United States to Cardiff with flexible booking policies on momondo?
momondo does allow users to show only those flights to Cardiff from United States which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from United States to Cardiff?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from United States.
I’m not ready to book a flight from United States to Cardiff right now. Can momondo alert me if prices change?
If you are not ready to book a flight from United States to Cardiff now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cardiff and let you know when they change.