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.

$318 Cheap Flights from Cardiff to Boston in 2026

Find the cheapest flights from Cardiff to Boston

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 am - 5:17 pm

CWL

BOS

14h 47m

1 stop

9:45 pm - 9:20 pm

BOS

CWL

18h 35m

2 stops

$716Multiple Airlines

Sat, Aug 1 - Sat, Aug 8

7:30 am - 5:17 pm

CWL

BOS

14h 47m

1 stop

11:40 pm - 9:20 pm

BOS

CWL

16h 40m

1 stop

$772Multiple Airlines

Sat, Aug 1 - Sat, Aug 8

5:15 pm - 1:15 pm

CWL

BOS

25h 00m

1 stop

4:45 pm - 4:45 pm

BOS

CWL

19h 00m

1 stop

$824Air France

Thu, Oct 15 - Tue, Oct 20

5:15 pm - 1:15 pm

CWL

BOS

25h 00m

1 stop

1:35 pm - 9:15 am

BOS

CWL

14h 40m

2 stops

$835KLM

Thu, Oct 15 - Tue, Oct 20

4:55 pm - 2:55 pm

CWL

BOS

27h 00m

2 stops

11:40 pm - 10:25 pm

BOS

CWL

17h 45m

1 stop

$844Multiple Airlines

Thu, Oct 15 - Wed, Oct 21

7:45 am - 9:05 am

CWL

BOS

30h 20m

2 stops

11:40 pm - 11:25 pm

BOS

CWL

18h 45m

1 stop

$846Multiple Airlines

Fri, Oct 16 - Tue, Oct 20

5:15 pm - 4:36 pm

CWL

BOS

28h 21m

1 stop

1:35 pm - 9:15 am

BOS

CWL

14h 40m

2 stops

$847KLM

Fri, Oct 16 - Wed, Oct 21

9:45 am - 11:08 pm

CWL

BOS

18h 23m

2 stops

9:10 am - 9:15 am

BOS

CWL

19h 05m

2 stops

$850Virgin Atlantic

Thu, Oct 15 - Tue, Oct 20

9:45 am - 11:08 pm

CWL

BOS

18h 23m

2 stops

1:35 pm - 9:15 am

BOS

CWL

14h 40m

2 stops

$853Multiple Airlines

Thu, Oct 15 - Wed, Oct 21

7:30 am - 9:05 am

CWL

BOS

30h 35m

2 stops

5:25 pm - 9:20 pm

BOS

CWL

22h 55m

1 stop

$869Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

Save money when you book flights with momondo

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WestJet flights from Cardiff to Boston

Our best WestJet deals on Cardiff to Boston flight tickets

WestJet

Aug 15

CWL11:35 amCardiff Wales

59h 05m

2 stops

BOS5:40 pmBoston Logan Intl

Aug 22

BOS6:30 pmBoston Logan Intl

34h 45m

2 stops

CWL10:15 amCardiff Wales

$1,811

WestJet

Aug 17

CWL11:35 amCardiff Wales

59h 05m

2 stops

BOS5:40 pmBoston Logan Intl

Aug 24

BOS6:30 pmBoston Logan Intl

58h 45m

2 stops

CWL10:15 amCardiff Wales

$6,410

Air France flights from Cardiff to Boston

Our best Air France deals on Cardiff to Boston flight tickets

Air France

Oct 15

CWL5:15 pmCardiff Wales

25h 00m

1 stop

BOS1:15 pmBoston Logan Intl

Oct 20

BOS4:45 pmBoston Logan Intl

19h 00m

1 stop

CWL4:45 pmCardiff Wales

$824

Air France

Aug 15

CWL9:50 amCardiff Wales

13h 40m

1 stop

BOS6:30 pmBoston Logan Intl

Aug 22

BOS8:25 pmBoston Logan Intl

15h 20m

1 stop

CWL4:45 pmCardiff Wales

$1,031

Air France

Jul 10

CWL9:45 amCardiff Wales

13h 45m

1 stop

BOS6:30 pmBoston Logan Intl

Jul 10

BOS9:45 pmBoston Logan Intl

14h 20m

2 stops

CWL5:05 pmCardiff Wales

$2,789

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 8/1

7:30 am-5:17 pm

1 stop14h 47m

Boston Logan Intl

Sat 8/8

9:45 pm-9:20 pm

2 stops18h 35m

$716

Quickest round-trip

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 8/1

7:30 am-5:17 pm

1 stop14h 47m

Boston Logan Intl

Sat 8/8

11:40 pm-9:20 pm

1 stop16h 40m

$772

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 10/15

5:15 pm-1:15 pm

1 stop25h 00m

Boston Logan Intl

Tue 10/20

4:45 pm-4:45 pm

1 stop19h 00m

$824

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 10/15

5:15 pm-1:15 pm

1 stop25h 00m

Boston Logan Intl

Tue 10/20

1:35 pm-9:15 am

2 stops14h 40m

$835

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 10/15

4:55 pm-2:55 pm

2 stops27h 00m

Boston Logan Intl

Wed 10/21

11:40 pm-10:25 pm

1 stop17h 45m

$844

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 10/16

7:45 am-9:05 am

2 stops30h 20m

Boston Logan Intl

Tue 10/20

11:40 pm-11:25 pm

1 stop18h 45m

$846

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 10/16

5:15 pm-4:36 pm

1 stop28h 21m

Boston Logan Intl

Wed 10/21

1:35 pm-9:15 am

2 stops14h 40m

$847

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 10/15

9:45 am-11:08 pm

2 stops18h 23m

Boston Logan Intl

Tue 10/20

9:10 am-9:15 am

2 stops19h 05m

$850

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 10/15

9:45 am-11:08 pm

2 stops18h 23m

Boston Logan Intl

Wed 10/21

1:35 pm-9:15 am

2 stops14h 40m

$853

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 8/15

7:30 am-9:05 am

2 stops30h 35m

Boston Logan Intl

Sat 8/22

5:25 pm-9:20 pm

1 stop22h 55m

$869

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Fastest flight time	27h 10m
Direct flights	None

The fastest flight from Cardiff to Boston takes 27h 10m

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 27h 10m, 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.

Hampton Beach

Salem

Ogunquit

Old Orchard Beach

Hampton

Cambridge

York Beach

Plymouth

Kennebunkport

South Yarmouth

Laconia

Revere

Gloucester

Warwick

Brockton

Falmouth

South Portland

Narragansett

Middletown

Chatham

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.