HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cardiff

$350+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$632
(Mytrip)

One-way from

$350
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$909
Provider with most accurate pricing for New York (NYC)-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Cardiff Wales flights.
Search Deals
From USA to Cardiff Wales
Search Deals
One-way flight from USA to Cardiff Wales
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($225 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/17. 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 5/1710:40 amBOS - CWL
2 stops18h 55mMultiple Airlines
Sat 5/249:00 amCWL - BOS
2 stops35h 25mMultiple Airlines
Deal found 4/17$698
This Mytrip deal was found by Cheapflights users on 4/17. 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 5/2410:30 amJFK - CWL
2 stops19h 05mMultiple Airlines
Sat 5/319:00 amCWL - JFK
2 stops32h 50mMultiple Airlines
Deal found 4/17$753
This lastminute.co.il deal was found by Cheapflights users on 4/16. 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 lastminute.co.il is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/129:30 amIAD - CWL
2 stops18h 45mVirgin Atlantic
Mon 8/185:15 pmCWL - IAD
1 stop27h 20mVirgin Atlantic
Deal found 4/16$784
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:00 pmJFK - CWL
2 stops35h 30mAer Lingus
Sat 6/2112:00 pmCWL - JFK
2 stops34h 15mAer Lingus
Deal found 4/17$800
This SmartFares deal was found by Cheapflights users on 4/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:00 pmBWI - CWL
2 stops15h 15mVirgin Atlantic
Mon 8/185:15 pmCWL - BWI
2 stops34h 42mVirgin Atlantic
Deal found 4/16$809
This SmartFares deal was found by Cheapflights users on 4/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:30 pmDCA - CWL
2 stops14h 45mVirgin Atlantic
Mon 8/185:15 pmCWL - DCA
2 stops34h 37mVirgin Atlantic
Deal found 4/16$809
This Delta deal was found by Cheapflights users on 4/16. 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 5/134:40 pmBOS - CWL
1 stop11h 35mDelta
Mon 5/199:50 amCWL - BOS
1 stop11h 35mDelta
Deal found 4/16$812
This KLM deal was found by Cheapflights users on 4/17. 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 5/65:25 pmIAD - CWL
1 stop10h 50mKLM
Fri 5/165:15 pmCWL - IAD
1 stop27h 20mKLM
Deal found 4/17$812
This KLM deal was found by Cheapflights users on 4/16. 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.
Sun 5/118:15 pmBOS - CWL
1 stop32h 00mKLM
Fri 5/165:15 pmCWL - BOS
1 stop28h 10mKLM
Deal found 4/16$813
This Delta deal was found by Cheapflights users on 4/17. 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 4/17$817
This Virgin Atlantic deal was found by Cheapflights users on 4/17. 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.
Wed 4/234:50 pmORD - CWL
1 stop10h 25mVirgin Atlantic
Wed 4/309:50 amCWL - ORD
1 stop10h 50mVirgin Atlantic
Deal found 4/17$821
This KLM deal was found by Cheapflights users on 4/17. 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 4/2312:15 pmORD - CWL
2 stops15h 00mKLM
Wed 4/309:50 amCWL - ORD
1 stop10h 50mKLM
Deal found 4/17$822

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 April 17, 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

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 5/17

10:40 am-10:35 am

2 stops18h 55m

Cardiff Wales

Sat 5/24

9:00 am-3:25 pm

2 stops35h 25m

$698

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sat 5/24

10:30 am-10:35 am

2 stops19h 05m

Cardiff Wales

Sat 5/31

9:00 am-12:50 pm

2 stops32h 50m

$753

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 8/12

9:30 am-9:15 am

2 stops18h 45m

Cardiff Wales

Mon 8/18

5:15 pm-3:35 pm

1 stop27h 20m

$784

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 6/17

7:00 pm-11:30 am

2 stops35h 30m

Cardiff Wales

Sat 6/21

12:00 pm-5:15 pm

2 stops34h 15m

$800

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Tue 8/12

1:00 pm-9:15 am

2 stops15h 15m

Cardiff Wales

Mon 8/18

5:15 pm-10:57 pm

2 stops34h 42m

$809

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Tue 8/12

1:30 pm-9:15 am

2 stops14h 45m

Cardiff Wales

Mon 8/18

5:15 pm-10:52 pm

2 stops34h 37m

$809

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 5/13

4:40 pm-9:15 am

1 stop11h 35m

Cardiff Wales

Mon 5/19

9:50 am-4:25 pm

1 stop11h 35m

$812

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 5/6

5:25 pm-9:15 am

1 stop10h 50m

Cardiff Wales

Fri 5/16

5:15 pm-3:35 pm

1 stop27h 20m

$812

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 5/11

8:15 pm-9:15 am

1 stop32h 00m

Cardiff Wales

Fri 5/16

5:15 pm-4:25 pm

1 stop28h 10m

$813

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

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 44 results
1
2
3
...
5

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 April 17, 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 April 17, 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
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
642 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
Aer Lingus
7.0
Good
1,063 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 cheapest airlines to fly from USA to Cardiff one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $466. KLM flights start at $621 while deals on Virgin Atlantic start at $2,170 one-way.

  • 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 New York LaGuardia - 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
Barry

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Manchester flights
Newark to Manchester flights
LaGuardia to Manchester flights
Atlanta to Manchester flights
O'Hare Intl to Manchester flights
Orlando to Manchester flights
Boston to Manchester flights
Seattle to Manchester flights
Dulles Intl to Manchester flights
Hobby to Manchester flights
Los Angeles to Manchester flights
Dallas/Fort Worth to Manchester flights
Baltimore to Manchester flights
San Francisco to Manchester flights
Reagan-National to Manchester flights
George Bush Intcntl to Manchester flights
Detroit to Manchester flights
Stewart to Manchester flights
Raleigh to Manchester flights
Miami to Manchester flights
Philadelphia to Manchester flights
Midway to Manchester flights
Minneapolis to Manchester flights
Burbank to Manchester flights
Denver to Manchester flights
Ontario to Manchester flights
Santa Ana to Manchester flights
Tampa to Manchester flights
John F Kennedy Intl to Bristol flights
Love Field to Manchester flights
Portland to Manchester flights
Sky Harbor Intl to Manchester flights
Newark to Bristol flights
John F Kennedy Intl to Cardiff flights
Charlotte to Manchester flights
Indianapolis to Manchester flights
Norfolk to Manchester flights
Columbus to Manchester flights
Las Vegas to Manchester flights
Cleveland to Manchester flights
San Jose to Manchester flights
San Diego to Manchester flights
Nashville to Manchester flights
LaGuardia to Bristol flights
Oakland to Manchester flights
Austin to Manchester flights
Albuquerque to Manchester flights
Newark to Cardiff flights
O'Hare Intl to Bristol flights
Seattle to Bristol flights

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$721Average$1,140FlexibilityNo cancel feeOn-time75%
DeltaCheapest$791Average$1,190FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.