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Cardiff

$488+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$654
(Kiwi.com)

One-way from

$488
(Delta)

Popular in

August

Cheapest in

February

Average price

$1,030
Provider with most accurate pricing for New York (NYC)-Cardiff Wales flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Cardiff Wales flights.
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From USA to Cardiff Wales
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One-way flight from USA to Cardiff Wales
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Highest demand for flights based on searches. 13% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from USA to Cardiff

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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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 8/14:55 pmJFK - CWL
1 stop8h 50mMultiple Airlines
Mon 8/41:10 pmCWL - JFK
1 stop11h 10mMultiple Airlines
Deal found 4/29$613
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/305:30 pmBOS - CWL
1 stop8h 15mMultiple Airlines
Fri 6/612:25 pmCWL - BOS
1 stop11h 20mMultiple Airlines
Deal found 4/30$654
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sat 6/148:15 amEWR - CWL
2 stops21h 20mMultiple Airlines
Sat 6/219:00 amCWL - EWR
2 stops35h 32mMultiple Airlines
Deal found 4/30$738
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sat 6/1410:30 amLGA - CWL
2 stops19h 05mMultiple Airlines
Sat 6/219:00 amCWL - LGA
2 stops35h 53mMultiple Airlines
Deal found 4/30$745
This KLM deal was found by Cheapflights users on 4/29. 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.
Tue 5/136:35 pmBOS - CWL
1 stop17h 10mKLM
Mon 5/195:15 pmCWL - BOS
1 stop25h 20mKLM
Deal found 4/29$777
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 5/131:00 pmBOS - CWL
2 stops15h 15mDelta
Mon 5/199:50 amCWL - BOS
1 stop11h 35mDelta
Deal found 4/29$800
This KLM deal was found by Cheapflights users on 4/30. 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 8/205:25 pmIAD - CWL
1 stop18h 20mKLM
Wed 8/279:50 amCWL - IAD
1 stop10h 45mKLM
Deal found 4/30$814
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 8/209:30 amIAD - CWL
2 stops18h 45mDelta
Wed 8/279:50 amCWL - IAD
1 stop10h 45mDelta
Deal found 4/30$819
This AirNGo deal was found by Cheapflights users on 4/29. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:05 amBOS - CWL
2 stops22h 10mVirgin Atlantic
Wed 5/149:50 amCWL - BOS
2 stops14h 15mVirgin Atlantic
Deal found 4/29$820
This KLM deal was found by Cheapflights users on 4/29. 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 9/55:30 pmJFK - CWL
1 stop18h 35mKLM
Thu 9/115:15 pmCWL - JFK
1 stop30h 50mKLM
Deal found 4/29$827
This Air France deal was found by Cheapflights users on 4/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:00 pmBWI - CWL
2 stops15h 15mMultiple Airlines
Wed 8/279:50 amCWL - BWI
2 stops16h 03mMultiple Airlines
Deal found 4/30$829
This Delta deal was found by Cheapflights users on 4/29. 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 9/52:46 pmJFK - CWL
2 stops13h 24mDelta
Thu 9/119:50 amCWL - JFK
1 stop10h 35mDelta
Deal found 4/29$832

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 May 1, 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

Fri 8/1

4:55 pm-6:45 am

1 stop8h 50m

Cardiff Wales

Mon 8/4

1:10 pm-7:20 pm

1 stop11h 10m

$613

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 5/30

5:30 pm-6:45 am

1 stop8h 15m

Cardiff Wales

Fri 6/6

12:25 pm-6:45 pm

1 stop11h 20m

$654

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sat 6/14

8:15 am-10:35 am

2 stops21h 20m

Cardiff Wales

Sat 6/21

9:00 am-3:32 pm

2 stops35h 32m

$738

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Sat 6/14

10:30 am-10:35 am

2 stops19h 05m

Cardiff Wales

Sat 6/21

9:00 am-3:53 pm

2 stops35h 53m

$745

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 5/13

6:35 pm-4:45 pm

1 stop17h 10m

Cardiff Wales

Mon 5/19

5:15 pm-1:35 pm

1 stop25h 20m

$777

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 5/13

1:00 pm-9:15 am

2 stops15h 15m

Cardiff Wales

Mon 5/19

9:50 am-4:25 pm

1 stop11h 35m

$800

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 8/20

5:25 pm-4:45 pm

1 stop18h 20m

Cardiff Wales

Wed 8/27

9:50 am-3:35 pm

1 stop10h 45m

$814

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 8/20

9:30 am-9:15 am

2 stops18h 45m

Cardiff Wales

Wed 8/27

9:50 am-3:35 pm

1 stop10h 45m

$819

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Fri 9/5

5:30 pm-5:05 pm

1 stop18h 35m

Cardiff Wales

Thu 9/11

5:15 pm-7:05 pm

1 stop30h 50m

$827

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Wed 8/20

1:00 pm-9:15 am

2 stops15h 15m

Cardiff Wales

Wed 8/27

9:50 am-8:53 pm

2 stops16h 03m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 40 results
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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.
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 May 1, 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 May 1, 2025.
Read reviews from past customers who have flown Delta, KLM and Virgin Atlantic from USA to Cardiff. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
643 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
ITA Airways
6.7
Okay
967 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    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.

  • 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 Boston Logan Intl - Cardiff Wales or Newark - Cardiff Wales.

  • 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.

  • 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.

See more FAQs

Traveling to a place near the United States?

Book flights to the United States if you plan to visit one of these locations
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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.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$742Average$1,193FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$756Average$1,081FlexibilityNo cancel feeOn-time75%

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