Cheap flights from Cardiff (CWL) to Boston (BOS) from $334

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CWL — BOS
Jun 23 — Jun 301

Cheap flight deals from Cardiff to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 18, 2024.

Popular in

August

Cheapest in

September

Average price

$734

Round-trip from

$218
High demand for flights, 27% potential price rise
Best time to find cheap flights, 24% potential price drop
Average for round-trip flights in June 2024
From Cardiff Wales to Boston Logan Intl

What is the cheapest month to fly from Cardiff to Boston?

September is one of the best times of the year to fly to Boston from Cardiff. Prices for September average $755 per person but you can even find prices for as low as $544. The most expensive prices can be found in the month of August. Opting for a September flight can save you 36% on your journey compared to booking in August

What is the cheapest time of day to fly from CWL to BOS?

When flying from Cardiff to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Cardiff to Boston flights in June & July 2024

Find cheap flight options from Cardiff to Boston specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,281,944 searches. Prices were last updated on June 18, 2024.
Thu 7/189:45 amCWL - BOS
1 stop11h 55mMultiple Airlines
Thu 7/253:59 pmBOS - CWL
2 stops12h 16mMultiple Airlines
Deal found 6/18$926
Thu 7/189:45 amCWL - BOS
2 stops15h 50mKLM
Thu 7/253:59 pmBOS - CWL
2 stops12h 16mKLM
Deal found 6/18$990
Thu 7/189:45 amCWL - BOS
1 stop11h 55mMultiple Airlines
Mon 8/57:00 pmBOS - CWL
1 stop9h 15mMultiple Airlines
Deal found 6/18$1,127
Thu 7/189:45 amCWL - BOS
1 stop11h 55mMultiple Airlines
Mon 8/51:29 pmBOS - CWL
2 stops14h 46mMultiple Airlines
Deal found 6/18$1,200
Thu 7/189:45 amCWL - BOS
2 stops14h 04mKLM
Mon 8/51:29 pmBOS - CWL
2 stops14h 46mKLM
Deal found 6/18$1,411
Thu 7/1812:00 pmCWL - BOS
2 stops12h 50mBritish Airways
Mon 8/56:20 amBOS - CWL
3 stops24h 10mBritish Airways
Deal found 6/18$1,552
Thu 7/188:30 amCWL - BOS
3 stops34h 20mMultiple Airlines
Thu 7/256:00 amBOS - CWL
3 stops32h 15mMultiple Airlines
Deal found 6/18$1,732
Thu 7/188:15 pmCWL - BOS
2 stops27h 35mMultiple Airlines
Thu 7/259:45 amBOS - CWL
3 stops28h 30mMultiple Airlines
Deal found 6/18$1,813

Cardiff to Boston 2024 flight deals

Discover exclusive flight deals for travel between Cardiff and Boston in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,281,944 searches. Data last updated June 18, 2024.
Thu 7/189:45 amCWL - BOS
1 stop11h 55mMultiple Airlines
Thu 7/253:59 pmBOS - CWL
2 stops12h 16mMultiple Airlines
Deal found 6/18$926
Thu 7/189:45 amCWL - BOS
2 stops15h 50mKLM
Thu 7/253:59 pmBOS - CWL
2 stops12h 16mKLM
Deal found 6/18$990
Thu 7/189:45 amCWL - BOS
1 stop11h 55mMultiple Airlines
Mon 8/57:00 pmBOS - CWL
1 stop9h 15mMultiple Airlines
Deal found 6/18$1,127
Thu 7/189:45 amCWL - BOS
1 stop11h 55mMultiple Airlines
Mon 8/51:29 pmBOS - CWL
2 stops14h 46mMultiple Airlines
Deal found 6/18$1,200
Thu 7/189:45 amCWL - BOS
2 stops14h 04mKLM
Mon 8/51:29 pmBOS - CWL
2 stops14h 46mKLM
Deal found 6/18$1,411
Thu 7/1812:00 pmCWL - BOS
2 stops12h 50mBritish Airways
Mon 8/56:20 amBOS - CWL
3 stops24h 10mBritish Airways
Deal found 6/18$1,552
Thu 7/188:30 amCWL - BOS
3 stops34h 20mMultiple Airlines
Thu 7/256:00 amBOS - CWL
3 stops32h 15mMultiple Airlines
Deal found 6/18$1,732
Thu 7/188:15 pmCWL - BOS
2 stops27h 35mMultiple Airlines
Thu 7/259:45 amBOS - CWL
3 stops28h 30mMultiple Airlines
Deal found 6/18$1,813

One-way flights to Boston from Cardiff

Search for one-way flight options from Cardiff to Boston. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,281,944 searches. Data last updated June 18, 2024.
Tue 9/312:00 pmCWL - BOS
3 stops39h 39mMultiple Airlines
Deal found 6/18$334
Tue 9/38:15 pmCWL - BOS
2 stops26h 45mMultiple Airlines
Deal found 6/18$478
Tue 9/39:45 amCWL - BOS
1 stop11h 55mAir France
Deal found 6/18$1,519

Find flights from Cardiff to Boston within your budget

Customize your flight search to find flights from Cardiff to Boston 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 3,281,944 searches. Data last updated June 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$669 - $1,813

Route

Depart

Return

Price

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Fri 10/25

1 stop11h 20m

Boston Logan Intl

Thu 10/31

1 stop10h 20m

$669

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

1 stop11h 55m

Boston Logan Intl

Thu 7/25

2 stops12h 16m

$926

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

2 stops15h 50m

Boston Logan Intl

Thu 7/25

2 stops12h 16m

$990

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

1 stop11h 55m

Boston Logan Intl

Mon 8/5

1 stop9h 15m

$1,127

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

1 stop11h 55m

Boston Logan Intl

Mon 8/5

2 stops14h 46m

$1,200

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

2 stops14h 04m

Boston Logan Intl

Mon 8/5

2 stops14h 46m

$1,411

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

2 stops12h 50m

Boston Logan Intl

Mon 8/5

3 stops24h 10m

$1,552

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

3 stops34h 20m

Boston Logan Intl

Thu 7/25

3 stops32h 15m

$1,732

Cardiff WalesBoston Logan Intl

CWL - BOS

CWLBOS

Cardiff Wales

Thu 7/18

2 stops27h 35m

Boston Logan Intl

Thu 7/25

3 stops28h 30m

$1,813

Flights are sorted by cheapest first

Deals found on 6/17

No data available for this route at this time. Please check back soon.

Best time to book a flight from Cardiff to Boston

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

Temperature and rainfall in Boston by month

Plan your trip to Boston by taking into account the average temperature and rainfall totals by month.

BOS

Temperature

30.2 - 73.4 °F

If weather is an important factor for your trip to Boston, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated June 18, 2024.
7.9
Good
1,442 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.9

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.9
Good
1,442 reviews
7.9
Good
1,442 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.9

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.5
Good
1,674 reviews
7.9
Good
1,442 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.9

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

PLAY
7.2
Good
73 reviews
7.9
Good
1,442 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.9

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

6.8
Okay
6,714 reviews
7.9
Good
1,442 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.9

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Cardiff to Boston for under $700 on Cheapflights?

    Yes, there are multiple flights from Cardiff to Boston for under $700. The cheapest flight booked recently is on PLAY for just $669, but on average you can expect to pay $1,268.

  • What are the cheapest airlines flying from Cardiff to Boston round-trip?

    Cheapflights users have booked flights from Cardiff to Boston round-trip from $669. Other airlines that can offer you cheap pricing are KLM, from $990, and British Airways, from $1,552. PLAY is priced at 11% lower than the current average price of a flight leaving 3 months from now.

  • What does CWL to BOS mean?

    CWL stands for Cardiff Wales Airport, while BOS stands for Boston Logan Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Cardiff to Boston that include extra baggage allowance?

    The amount of baggage you can bring on your Cardiff to Boston flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Cardiff to Boston with specific airlines?

    Yes, Cheapflights allows you to browse and filter Cardiff to Boston flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Cardiff to Boston that allow pets onboard?

    Many airlines flying from Cardiff to Boston offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Cardiff to Boston?

    Yes, you can often find last-minute deals on Cardiff to Boston flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Cardiff to Boston flight deals updated?

    The Cardiff to Boston flight deals you see on this page were last updated on 6/18.

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

    Currently, January is the cheapest month in which you can book a flight from Cardiff to Boston (average of $218). Flying from Cardiff to Boston in July is currently the most expensive (average of $328). 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

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 Cardiff to Boston
See prices for flight routes from nearby airports that may be better suited for you.

Search flights from Cardiff to Boston by cabin class

Find flights from Cardiff to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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.