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.
$269+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
Jun 17 — Jun 241
1 adult, Economy
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Find cheap flights from USA to Cardiff with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $528 (Mytrip) |
|---|---|
One-way from | $269 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $1,346 |
Find flight deals from USA to Cardiff
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 June 12, 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 June 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:45 pmJFK - CWL
2 stops11h 40mMultiple Airlines
Tue 8/194:20 pmCWL - JFK
1 stop26h 05mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$528
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2710:20 amEWR - CWL
2 stops21h 25mMultiple Airlines
Sun 8/311:00 amCWL - EWR
2 stops32h 43mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$614
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1312:15 pmBOS - CWL
2 stops19h 30mMultiple Airlines
Sun 7/2011:00 amCWL - BOS
2 stops35h 40mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$675
This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:30 pmJFK - CWL
1 stop10h 45mKLM
Mon 9/85:15 pmCWL - JFK
1 stop25h 15mKLM
Deal found 6/12![KLM logo]()
$675
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:15 amJFK - CWL
2 stops16h 55mDelta
Fri 9/199:50 amCWL - JFK
1 stop10h 35mDelta
Deal found 6/12![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:00 pmLGA - CWL
2 stops12h 10mDelta
Fri 9/199:50 amCWL - LGA
2 stops17h 53mDelta
Deal found 6/10![Delta logo]()
$740
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/123:20 pmEWR - CWL
2 stops12h 50mDelta
Fri 9/199:50 amCWL - EWR
2 stops14h 38mDelta
Deal found 6/10![Delta logo]()
$740
This Virgin Atlantic deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/41:30 pmJFK - CWL
2 stops14h 45mVirgin Atlantic
Mon 8/185:15 pmCWL - JFK
1 stop10h 35mVirgin Atlantic
Deal found 6/11![Virgin Atlantic logo]()
$765
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:40 pmBOS - CWL
1 stop9h 35mKLM
Fri 8/19:50 amCWL - BOS
1 stop11h 45mKLM
Deal found 6/10![KLM logo]()
$768
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/213:35 pmORD - CWL
2 stops18h 20mMultiple Airlines
Mon 7/281:10 pmCWL - ORD
2 stops31h 54mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$820
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:35 pmIAD - CWL
1 stop18h 20mKLM
Mon 11/35:25 pmCWL - IAD
1 stop27h 20mKLM
Deal found 6/10![KLM logo]()
$821
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/138:59 pmBOS - CWL
2 stops14h 46mDelta
Sun 7/209:50 amCWL - BOS
1 stop13h 35mDelta
Deal found 6/11![Delta logo]()
$825
Cheapflights Fare Finder
Customize your flight search to find flights from USA to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from the United States to Cardiff that are best for you.
Fly from
USA
Fly to
Cardiff
Route
Depart
Return
Price
New YorkCardiff
JFK - CWL
JFKCWL
New York John F Kennedy Intl
Wed 8/13
2:45 pm-7:25 am
2 stops11h 40m
Cardiff Wales
Tue 8/19
4:20 pm-1:25 pm
1 stop26h 05m
$528
NewarkCardiff
EWR - CWL
EWRCWL
Newark
Sun 7/27
10:20 am-12:45 pm
2 stops21h 25m
Cardiff Wales
Sun 8/3
11:00 am-2:43 pm
2 stops32h 43m
$614
New YorkCardiff
JFK - CWL
JFKCWL
New York John F Kennedy Intl
Wed 9/3
5:30 pm-9:15 am
1 stop10h 45m
Cardiff Wales
Mon 9/8
5:15 pm-1:30 pm
1 stop25h 15m
$675
BostonCardiff
BOS - CWL
BOSCWL
Boston Logan Intl
Sun 7/13
12:15 pm-12:45 pm
2 stops19h 30m
Cardiff Wales
Sun 7/20
11:00 am-5:40 pm
2 stops35h 40m
$675
New YorkCardiff
JFK - CWL
JFKCWL
New York John F Kennedy Intl
Fri 9/12
11:15 am-9:10 am
2 stops16h 55m
Cardiff Wales
Fri 9/19
9:50 am-3:25 pm
1 stop10h 35m
$729
New YorkCardiff
LGA - CWL
LGACWL
New York LaGuardia
Fri 9/12
4:00 pm-9:10 am
2 stops12h 10m
Cardiff Wales
Fri 9/19
9:50 am-10:43 pm
2 stops17h 53m
$740
NewarkCardiff
EWR - CWL
EWRCWL
Newark
Fri 9/12
3:20 pm-9:10 am
2 stops12h 50m
Cardiff Wales
Fri 9/19
9:50 am-7:28 pm
2 stops14h 38m
$740
New YorkCardiff
JFK - CWL
JFKCWL
New York John F Kennedy Intl
Mon 8/4
1:30 pm-9:15 am
2 stops14h 45m
Cardiff Wales
Mon 8/18
5:15 pm-10:50 pm
1 stop10h 35m
$765
BostonCardiff
BOS - CWL
BOSCWL
Boston Logan Intl
Fri 7/25
6:40 pm-9:15 am
1 stop9h 35m
Cardiff Wales
Fri 8/1
9:50 am-4:35 pm
1 stop11h 45m
$768
ChicagoCardiff
ORD - CWL
ORDCWL
Chicago O'Hare Intl
Mon 7/21
3:35 pm-3:55 pm
2 stops18h 20m
Cardiff Wales
Mon 7/28
1:10 pm-3:04 pm
2 stops31h 54m
$820
Showing 1-10 of 49 results
The best insider tips for theUnited States to Cardiff flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Cardiff trip
Airlines
![Delta]()
Delta
Delta One offers 180-degree flat-bed seats with duvets and lumbar pillows on long-haul routes.
Delta Comfort Plus includes extra legroom and upgraded snacks on international flights.
Our travel experts
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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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?
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.
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 June 12, 2025.
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.
Rainfall in Cardiff by month
Plan your trip to Cardiff by taking into account the average rainfall totals by month.
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.
Temperature in Cardiff by month
Plan your trip to Cardiff by taking into account the average temperature totals by month.
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).
Reviews of airlines servicing Cardiff
Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Air France from USA to Cardiff. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
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.
Traveling to a place near the United States?
Book flights to the United States if you plan to visit one of these locationsBarry
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Alternative routes for USA to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from USA to Cardiff
Discover the top 2 airlines that operate flights from USA to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$760 | Average$1,050 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$791 | Average$1,190 | FlexibilityNo cancel fee | On-timeN/A |