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.

$649 Cheap Flights from Cardiff to Boston in 2026

1 adult

0 bags

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 Cardiff to Boston

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 pm - 7:55 pm

CWL

BOS

30h 30m

1 stop

9:00 pm - 4:45 pm

BOS

CWL

15h 45m

2 stops

$704KLM

Thu, Mar 12 - Thu, Mar 19

10:20 am - 7:15 am

CWL

BOS

24h 55m

2 stops

9:00 pm - 4:45 pm

BOS

CWL

15h 45m

2 stops

$710KLM

Thu, Mar 12 - Thu, Mar 19

5:15 pm - 10:54 pm

CWL

BOS

33h 39m

2 stops

1:55 pm - 9:50 am

BOS

CWL

15h 55m

2 stops

$730Virgin Atlantic

Fri, Mar 13 - Fri, Mar 20

5:25 pm - 7:55 pm

CWL

BOS

30h 30m

1 stop

8:10 pm - 9:50 am

BOS

CWL

9h 40m

1 stop

$734Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

10:20 am - 7:55 pm

CWL

BOS

13h 35m

1 stop

9:00 pm - 4:55 pm

BOS

CWL

15h 55m

2 stops

$745Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

10:20 am - 7:55 pm

CWL

BOS

13h 35m

1 stop

8:10 pm - 9:50 am

BOS

CWL

9h 40m

1 stop

$793Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

8:35 am - 10:48 pm

CWL

BOS

18h 13m

3 stops

6:00 am - 11:30 am

BOS

CWL

25h 30m

3 stops

$843Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

10:30 am - 4:50 pm

CWL

BOS

34h 20m

2 stops

6:35 pm - 10:00 pm

BOS

CWL

23h 25m

3 stops

$903Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

5:25 pm - 9:10 pm

CWL

BOS

31h 45m

3 stops

8:50 pm - 11:30 am

BOS

CWL

34h 40m

3 stops

$1,143Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

5:15 pm - 3:35 pm

CWL

BOS

26h 20m

3 stops

11:45 pm - 7:40 pm

BOS

CWL

15h 55m

2 stops

$1,231Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

KLM flights from Cardiff to Boston

Our best KLM deals on Cardiff to Boston flight tickets

KLM

Mar 12

CWL5:25 pmCardiff Wales

30h 30m

1 stop

BOS7:55 pmBoston Logan Intl

Mar 19

BOS9:00 pmBoston Logan Intl

15h 45m

2 stops

CWL4:45 pmCardiff Wales

$704

KLM

Mar 12

CWL10:20 amCardiff Wales

24h 55m

2 stops

BOS7:15 amBoston Logan Intl

Mar 19

BOS9:00 pmBoston Logan Intl

15h 45m

2 stops

CWL4:45 pmCardiff Wales

$710

Fly from

Fly to

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 3/12

5:25 pm-7:55 pm

1 stop30h 30m

Boston Logan Intl

Thu 3/19

9:00 pm-4:45 pm

2 stops15h 45m

$704

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 3/12

10:20 am-7:15 am

2 stops24h 55m

Boston Logan Intl

Thu 3/19

9:00 pm-4:45 pm

2 stops15h 45m

$710

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 3/13

5:15 pm-10:54 pm

2 stops33h 39m

Boston Logan Intl

Fri 3/20

1:55 pm-9:50 am

2 stops15h 55m

$730

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 3/12

5:25 pm-7:55 pm

1 stop30h 30m

Boston Logan Intl

Thu 3/19

8:10 pm-9:50 am

1 stop9h 40m

$734

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 3/13

10:20 am-7:55 pm

1 stop13h 35m

Boston Logan Intl

Fri 3/20

9:00 pm-4:55 pm

2 stops15h 55m

$745

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 3/13

10:20 am-7:55 pm

1 stop13h 35m

Boston Logan Intl

Fri 3/20

8:10 pm-9:50 am

1 stop9h 40m

$793

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 3/13

8:35 am-10:48 pm

3 stops18h 13m

Boston Logan Intl

Fri 3/20

6:00 am-11:30 am

3 stops25h 30m

$843

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 3/12

10:30 am-4:50 pm

2 stops34h 20m

Boston Logan Intl

Thu 3/19

6:35 pm-10:00 pm

3 stops23h 25m

$903

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 3/12

5:25 pm-9:10 pm

3 stops31h 45m

Boston Logan Intl

Thu 3/19

8:50 pm-11:30 am

3 stops34h 40m

$1,143

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 3/13

5:15 pm-3:35 pm

3 stops26h 20m

Boston Logan Intl

Fri 3/20

11:45 pm-7:40 pm

2 stops15h 55m

$1,231

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 Cardiff to Boston

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

What is the cheapest airline that flies from Cardiff Wales to Boston Logan Intl?

WestJet is the most popular carrier operating from Cardiff Wales to Boston Logan Intl

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	30h 30m
Direct flights	None

The fastest flight from Cardiff to Boston takes 30h 30m

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

Search flight deals

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 30h 30m, 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.

Hampton Beach

Salem

Ogunquit

Old Orchard Beach

Hampton

York Beach

Kennebunkport

Plymouth

South Yarmouth

Cambridge

Narragansett

Gloucester

Falmouth

Nashua

Brockton

Laconia

Sturbridge

Chatham

Warwick

Concord

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.