How do I get Price Alerts for flights from Cardiff to Boston?

Confirm your travel details to search for the latest offers for flights from Cardiff to Boston . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Cardiff to Boston with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Cardiff Wales Airport to Boston Logan Intl Airport?

Prices for flights from Cardiff Wales Airport to Boston Logan Intl Airport are updated daily.

How old do you have to be to fly from Cardiff Wales Airport to Boston Logan Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Boston Logan Intl Airport.

What documentation or ID do you need to fly to Boston Logan Intl Airport?

The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$527 Cheap Flights from Cardiff to Boston in 2026/27

Find the cheapest flights from Cardiff to Boston

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:25 pm - 7:05 pmCWL Cardiff Wales-BOS Boston Logan Intl

10h 40m1 stop Dublin

5:15 pm - 3:40 pmBOS Boston Logan Intl-CWL Cardiff Wales

17h 25m1 stop Dublin

$748Multiple Airlines

Thu, Nov 19 - Thu, Nov 26

1:25 pm - 2:40 pmCWL Cardiff Wales-BOS Boston Logan Intl

30h 15m2 stops Dublin Lisbon Humberto Delgado

5:15 pm - 3:40 pmBOS Boston Logan Intl-CWL Cardiff Wales

17h 25m1 stop Dublin

$819Multiple Airlines

Thu, Nov 19 - Thu, Nov 26

5:30 pm - 2:13 pmCWL Cardiff Wales-BOS Boston Logan Intl

25h 43m1 stop Amsterdam Schiphol

7:25 pm - 9:50 amBOS Boston Logan Intl-CWL Cardiff Wales

9h 25m1 stop Amsterdam Schiphol

$867KLM

Sun, Nov 1 - Sun, Nov 15

5:30 pm - 2:20 pmCWL Cardiff Wales-BOS Boston Logan Intl

25h 50m1 stop Amsterdam Schiphol

7:25 pm - 5:00 pmBOS Boston Logan Intl-CWL Cardiff Wales

16h 35m1 stop Amsterdam Schiphol

$878Virgin Atlantic

Thu, Dec 3 - Mon, Dec 7

5:30 pm - 2:33 pmCWL Cardiff Wales-BOS Boston Logan Intl

26h 03m2 stops Amsterdam Schiphol New York John F Kennedy Intl

9:10 am - 9:45 amBOS Boston Logan Intl-CWL Cardiff Wales

19h 35m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$883Virgin Atlantic

Thu, Dec 3 - Mon, Dec 7

10:20 am - 2:20 pmCWL Cardiff Wales-BOS Boston Logan Intl

33h 00m1 stop Amsterdam Schiphol

9:10 am - 9:50 amBOS Boston Logan Intl-CWL Cardiff Wales

43h 40m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$884KLM

Thu, Dec 3 - Thu, Dec 10

5:30 pm - 2:13 pmCWL Cardiff Wales-BOS Boston Logan Intl

25h 43m1 stop Amsterdam Schiphol

9:10 am - 9:45 amBOS Boston Logan Intl-CWL Cardiff Wales

19h 35m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$885KLM

Mon, Nov 23 - Mon, Nov 30

10:20 am - 10:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

17h 35m2 stops Amsterdam Schiphol New York John F Kennedy Intl

3:00 pm - 9:50 amBOS Boston Logan Intl-CWL Cardiff Wales

13h 50m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$890Delta

Thu, Nov 19 - Thu, Nov 26

10:20 am - 7:01 pmCWL Cardiff Wales-BOS Boston Logan Intl

13h 41m1 stop Amsterdam Schiphol

8:55 pm - 5:00 pmBOS Boston Logan Intl-CWL Cardiff Wales

15h 05m1 stop Amsterdam Schiphol

$902Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

10:20 am - 10:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

17h 35m2 stops Amsterdam Schiphol New York John F Kennedy Intl

12:05 pm - 9:45 amBOS Boston Logan Intl-CWL Cardiff Wales

16h 40m2 stops Chicago O'Hare Intl Amsterdam Schiphol

$904Delta

Mon, Nov 23 - Mon, Nov 30

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KLM flights from Cardiff to Boston

Our best KLM deals on Cardiff to Boston flight tickets

KLM

Nov 1

CWL5:30 pmCardiff Wales

25h 43m

1 stop

BOS2:13 pmBoston Logan Intl

Nov 15

BOS7:25 pmBoston Logan Intl

9h 25m

1 stop

CWL9:50 amCardiff Wales

$867

KLM

Dec 3

CWL10:20 amCardiff Wales

33h 00m

1 stop

BOS2:20 pmBoston Logan Intl

Dec 10

BOS9:10 amBoston Logan Intl

43h 40m

2 stops

CWL9:50 amCardiff Wales

$884

KLM

Nov 23

CWL5:30 pmCardiff Wales

25h 43m

1 stop

BOS2:13 pmBoston Logan Intl

Nov 30

BOS9:10 amBoston Logan Intl

19h 35m

2 stops

CWL9:45 amCardiff Wales

$885

Delta flights from Cardiff to Boston

Our best Delta deals on Cardiff to Boston flight tickets

Delta

Nov 19

CWL10:20 amCardiff Wales

17h 35m

2 stops

BOS10:55 pmBoston Logan Intl

Nov 26

BOS3:00 pmBoston Logan Intl

13h 50m

2 stops

CWL9:50 amCardiff Wales

$890

Delta

Nov 23

CWL10:20 amCardiff Wales

17h 35m

2 stops

BOS10:55 pmBoston Logan Intl

Nov 30

BOS12:05 pmBoston Logan Intl

16h 40m

2 stops

CWL9:45 amCardiff Wales

$904

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Thu 11/19

1:25 pm-7:05 pm

1 stop10h 40m

Boston Logan Intl

Thu 11/26

5:15 pm-3:40 pm

1 stop17h 25m

$748

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Thu 11/19

1:25 pm-2:40 pm

2 stops30h 15m

Boston Logan Intl

Thu 11/26

5:15 pm-3:40 pm

1 stop17h 25m

$819

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 11/1

5:30 pm-2:13 pm

1 stop25h 43m

Boston Logan Intl

Sun 11/15

7:25 pm-9:50 am

1 stop9h 25m

$867

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Thu 12/3

5:30 pm-2:20 pm

1 stop25h 50m

Boston Logan Intl

Mon 12/7

7:25 pm-5:00 pm

1 stop16h 35m

$878

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Thu 12/3

5:30 pm-2:33 pm

2 stops26h 03m

Boston Logan Intl

Mon 12/7

9:10 am-9:45 am

2 stops19h 35m

$883

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Thu 12/3

10:20 am-2:20 pm

1 stop33h 00m

Boston Logan Intl

Thu 12/10

9:10 am-9:50 am

2 stops43h 40m

$884

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Mon 11/23

5:30 pm-2:13 pm

1 stop25h 43m

Boston Logan Intl

Mon 11/30

9:10 am-9:45 am

2 stops19h 35m

$885

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Thu 11/19

10:20 am-10:55 pm

2 stops17h 35m

Boston Logan Intl

Thu 11/26

3:00 pm-9:50 am

2 stops13h 50m

$890

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Mon 11/23

10:20 am-7:01 pm

1 stop13h 41m

Boston Logan Intl

Mon 11/30

8:55 pm-5:00 pm

1 stop15h 05m

$902

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Mon 11/23

10:20 am-10:55 pm

2 stops17h 35m

Boston Logan Intl

Mon 11/30

12:05 pm-9:45 am

2 stops16h 40m

$904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

When to book flights from Cardiff to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Boston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Cardiff to Boston (CWL to BOS) flight deals and tips

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

Best Price Found	$527
Fastest flight time	10h 40m
Direct flights	None

The best one-way flight to Boston from Cardiff in the past 72 hours is $527. The best round-trip flight deal from Cardiff to Boston found on momondo in the last 72 hours is $748.

The fastest flight from Cardiff to Boston takes 10h 40m

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

Search flight deals

Frequently asked questions about flying from Cardiff to Boston

How far is Cardiff Wales to Boston Logan Intl by plane?
The distance between Cardiff Wales and Boston Logan Intl is about 3144.0 mi. Flights usually cover this in 10h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Cardiff Wales Airport to Boston Logan Intl Airport?
Prices for flights from Cardiff Wales Airport to Boston Logan Intl Airport are updated daily.
How old do you have to be to fly from Cardiff Wales Airport to Boston Logan Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Cardiff to Boston

How do I get Price Alerts for flights from Cardiff to Boston?
Confirm your travel details to search for the latest offers for flights from Cardiff to Boston. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Cardiff to Boston with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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Salem

Kennebunkport

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Hampton

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Seekonk

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cardiff to Boston. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from Cardiff.

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

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Cardiff and alert you when they change.