How long does it take to fly to Cardiff?

If you’re flying from a popular airport in Massachusetts, such as Provincetown or Boston, and flying into Cardiff, then you can expect flight times to average 14h 58m and 17h 05m, respectively.

What airlines fly to Cardiff?

Aer Lingus, KLM and Delta are the top three most popular airlines that fly to Cardiff from Massachusetts according to our data. Aer Lingus is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Cardiff. Keep in mind that there are 3 different airlines that fly to Cardiff on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Massachusetts to Cardiff Wales Airport?

Prices for flights from Massachusetts to Cardiff Wales Airport are updated daily.

How many operators does momondo search for flights from Massachusetts to Cardiff Wales Airport?

As of February 2026, there are 2 operators available to choose from for flights from Massachusetts to Cardiff Wales Airport.

How old do you have to be to fly from Massachusetts to Cardiff Wales Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Cardiff Wales Airport.

What documentation or ID do you need to fly to Cardiff Wales Airport?

The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$281 Cheap Flights from Massachusetts to Cardiff in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Massachusetts to Cardiff

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:45 pm - 9:50 am

BOS

CWL

17h 05m

2 stops

10:20 am - 11:53 pm

CWL

BOS

17h 33m

2 stops

$710Delta

Wed, Mar 18 - Wed, Mar 25

9:50 pm - 4:55 pm

BOS

CWL

15h 05m

1 stop

5:25 pm - 2:20 pm

CWL

BOS

24h 55m

1 stop

$796KLM

Wed, Mar 18 - Wed, Mar 25

12:45 pm - 9:50 am

BOS

CWL

17h 05m

2 stops

10:20 am - 7:55 pm

CWL

BOS

13h 35m

1 stop

$799Delta

Wed, Mar 18 - Wed, Mar 25

11:30 pm - 10:25 pm

BOS

CWL

17h 55m

1 stop

11:50 pm - 10:00 pm

CWL

BOS

27h 10m

1 stop

$1,127Multiple Airlines

Wed, Jun 24 - Wed, Jul 1

11:00 am - 9:15 am

BOS

CWL

17h 15m

2 stops

9:45 am - 4:40 pm

CWL

BOS

11h 55m

1 stop

$1,257Delta

Wed, Jun 24 - Wed, Jul 1

6:01 am - 3:10 pm

BOS

CWL

29h 09m

3 stops

3:55 pm - 9:10 pm

CWL

BOS

33h 15m

2 stops

$1,278Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

5:30 am - 10:15 am

BOS

CWL

23h 45m

2 stops

12:00 pm - 5:00 pm

CWL

BOS

34h 00m

2 stops

$1,311Multiple Airlines

Wed, Jun 24 - Wed, Jul 1

Delta flights from Massachusetts to Cardiff

Our best Delta deals on Massachusetts to Cardiff flight tickets

Delta

Mar 18

BOS12:45 pmBoston Logan Intl

17h 05m

2 stops

CWL9:50 amCardiff Wales

Mar 25

CWL10:20 amCardiff Wales

17h 33m

2 stops

BOS11:53 pmBoston Logan Intl

$710

Delta

Mar 18

BOS12:45 pmBoston Logan Intl

17h 05m

2 stops

CWL9:50 amCardiff Wales

Mar 25

CWL10:20 amCardiff Wales

13h 35m

1 stop

BOS7:55 pmBoston Logan Intl

$799

Delta

Jun 24

BOS11:00 amBoston Logan Intl

17h 15m

2 stops

CWL9:15 amCardiff Wales

Jul 1

CWL9:45 amCardiff Wales

11h 55m

1 stop

BOS4:40 pmBoston Logan Intl

$1,257

KLM flights from Massachusetts to Cardiff

Our best KLM deals on Massachusetts to Cardiff flight tickets

KLM

Mar 17

BOS5:15 pmBoston Logan Intl

12h 35m

2 stops

CWL9:50 amCardiff Wales

Mar 24

CWL5:25 pmCardiff Wales

24h 55m

1 stop

BOS2:20 pmBoston Logan Intl

$689

KLM

Mar 17

BOS5:15 pmBoston Logan Intl

12h 35m

2 stops

CWL9:50 amCardiff Wales

Mar 24

CWL10:20 amCardiff Wales

24h 55m

2 stops

BOS7:15 amBoston Logan Intl

$695

KLM

Mar 18

BOS9:50 pmBoston Logan Intl

15h 05m

1 stop

CWL4:55 pmCardiff Wales

Mar 25

CWL5:25 pmCardiff Wales

24h 55m

1 stop

BOS2:20 pmBoston Logan Intl

$796

Fly from

Fly to

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 3/18

12:45 pm-9:50 am

2 stops17h 05m

Cardiff Wales

Wed 3/25

10:20 am-11:53 pm

2 stops17h 33m

$710

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 3/18

9:50 pm-4:55 pm

1 stop15h 05m

Cardiff Wales

Wed 3/25

5:25 pm-2:20 pm

1 stop24h 55m

$796

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 3/18

12:45 pm-9:50 am

2 stops17h 05m

Cardiff Wales

Wed 3/25

10:20 am-7:55 pm

1 stop13h 35m

$799

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 6/24

11:30 pm-10:25 pm

1 stop17h 55m

Cardiff Wales

Wed 7/1

11:50 pm-10:00 pm

1 stop27h 10m

$1,127

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 6/24

11:00 am-9:15 am

2 stops17h 15m

Cardiff Wales

Wed 7/1

9:45 am-4:40 pm

1 stop11h 55m

$1,257

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 3/18

6:01 am-3:10 pm

3 stops29h 09m

Cardiff Wales

Wed 3/25

3:55 pm-9:10 pm

2 stops33h 15m

$1,278

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 6/24

5:30 am-10:15 am

2 stops23h 45m

Cardiff Wales

Wed 7/1

12:00 pm-5:00 pm

2 stops34h 00m

$1,311

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 4/1

11:00 pm-10:25 pm

3 stops18h 25m

$270

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 3/18

6:10 pm-10:05 am

1 stop11h 55m

$281

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 4/1

5:20 pm-10:25 pm

1 stop24h 05m

$293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Cardiff?

The month of January is, on average, the cheapest month to fly to Cardiff from Massachusetts, with most prices found around $735. If you aren’t able to travel to Cardiff during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $774.

Cheap Massachusetts to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Cardiff

Fastest flight time	14h 58m
Direct flights	None

The fastest flight from Massachusetts to Cardiff takes 14h 58m

There are no direct flights from Massachusetts to Cardiff. There are no popular flight routes from Massachusetts to Cardiff.

Search flight deals

When did momondo last update prices for flights from Massachusetts to Cardiff Wales Airport?
Prices for flights from Massachusetts to Cardiff Wales Airport are updated daily.
How many operators does momondo search for flights from Massachusetts to Cardiff Wales Airport?
As of February 2026, there are 2 operators available to choose from for flights from Massachusetts to Cardiff Wales Airport.
How old do you have to be to fly from Massachusetts to Cardiff Wales Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to Cardiff

Compare and see reviews for airlines that fly from Massachusetts to Cardiff with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $644	Free Cancellation	Rating 7.7 1,448 reviews		Search KLM flights
Delta	PriceFrom $791	Free Cancellation	Rating 7.9 8,132 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Cardiff?

It is quick and easy to find Massachusetts to Cardiff flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cardiff that suits you.

Can I find flights from Massachusetts to Cardiff with flexible booking policies on momondo?

All flight searches from Massachusetts to Cardiff on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Massachusetts to Cardiff?

Once you have performed a search for Massachusetts to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Massachusetts to Cardiff right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Massachusetts to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.