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$497+ Cheap flights from Massachusetts 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Massachusetts to Cardiff

Keep the following information in mind while searching for Massachusetts to Cardiff flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$813
(KLM)

One-way from

$498
(Delta)

Popular in

July

Cheapest in

February

Average price

$1,141
Provider with most accurate pricing for Boston Logan Intl-Cardiff Wales flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Cardiff Wales flights.
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From Massachusetts to Cardiff Wales
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One-way flight from Massachusetts to Cardiff Wales
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Highest demand for flights based on searches. 16% potential increase in price ($200 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Massachusetts to Cardiff

Cheapest flights from Massachusetts to Cardiff
Explore the most affordable flight options available from Massachusetts to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 4/284:45 pmBOS - CWL
1 stop11h 30mDelta
Mon 5/59:50 amCWL - BOS
1 stop11h 35mDelta
Deal found 4/22$813
This KLM deal was found by Cheapflights users on 4/22. 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.
Mon 4/284:45 pmBOS - CWL
1 stop11h 30mKLM
Mon 5/55:15 pmCWL - BOS
1 stop30h 05mKLM
Deal found 4/22$814
This Mytrip deal was found by Cheapflights users on 4/23. 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 6/76:00 amBOS - CWL
2 stops23h 35mMultiple Airlines
Sat 6/144:50 pmCWL - BOS
2 stops32h 00mMultiple Airlines
Deal found 4/23$913
This oojo deal was found by Cheapflights users on 4/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/275:05 pmBOS - CWL
2 stops19h 00mITA Airways
Sun 6/299:50 amCWL - BOS
2 stops32h 50mITA Airways
Deal found 4/22$1,413
This business-class.com deal was found by Cheapflights users on 4/21. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/98:15 pmBOS - CWL
1 stop15h 30mAir France
Sun 7/139:50 amCWL - BOS
1 stop13h 35mAir France
Deal found 4/21$4,006

Cheapflights Fare Finder

Customize your flight search to find flights from Massachusetts 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 24, 2025.
Use the filters below to find and compare flights from Massachusetts to Cardiff that are best for you.

Fly from

Massachusetts

Fly to

Cardiff

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 5/13

4:40 pm-9:15 am

1 stop11h 35m

Cardiff Wales

Mon 5/19

5:15 pm-4:25 pm

1 stop28h 10m

$814

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

$818

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 6/7

6:00 am-10:35 am

2 stops23h 35m

Cardiff Wales

Sat 6/14

4:50 pm-7:50 pm

2 stops32h 00m

$913

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 6/27

5:05 pm-5:05 pm

2 stops19h 00m

Cardiff Wales

Sun 6/29

9:50 am-1:40 pm

2 stops32h 50m

$1,413

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 7/9

8:15 pm-4:45 pm

1 stop15h 30m

Cardiff Wales

Sun 7/13

9:50 am-6:25 pm

1 stop13h 35m

$4,006

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 5/10

6:35 pm-4:45 pm

1 stop17h 10m

$497

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sat 5/3

1:10 pm-9:15 am

2 stops15h 05m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Best time to book a flight from Massachusetts to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Massachusetts 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 Massachusetts to Cardiff

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

Currently, February is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of $773). Flying from Massachusetts 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 MA to CWL?

Find hourly flight availability from Massachusetts 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 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Massachusetts 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 24, 2025.
Peruse reviews from past customers who have flown with Delta and KLM from Massachusetts to Cardiff to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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 Massachusetts 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 Massachusetts?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly into when you book flights from Massachusetts to Cardiff.

  • What are the most popular routes from Massachusetts to Cardiff?

    While some choose either Provincetown - Cardiff Wales or Hartford Bradley Intl - Cardiff Wales, Boston Logan Intl - Cardiff Wales is the most popular route from Massachusetts to Cardiff.

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

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

  • How can I find direct flights from Massachusetts to Cardiff?

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

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

    Yes. Cheapflights offers flight deals from Massachusetts 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 Massachusetts to Cardiff?

    Currently, February is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of $773). Flying from Massachusetts 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

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Alternative routes for Massachusetts to Cardiff

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Top 2 airlines flying from Massachusetts to Cardiff

Discover the top 2 airlines that operate flights from Massachusetts 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$773Average$1,041FlexibilityNo cancel feeOn-time75%
DeltaCheapest$791Average$992FlexibilityNo cancel feeOn-timeN/A

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