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Cheap flights from Cardiff to Boston from £376

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cardiff to Boston

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
10:20 - 19:01CWL  Cardiff Wales-BOS Boston Logan Intl
13h 41m1 stop Amsterdam Schiphol
KLM Logo
20:55 - 09:50BOS  Boston Logan Intl-CWL Cardiff Wales
31h 55m1 stop Amsterdam Schiphol
£657KLM
Wed, 23 Dec - Wed, 30 Dec
KLM Logo
17:30 - 22:34CWL  Cardiff Wales-BOS Boston Logan Intl
34h 04m2 stops Amsterdam Schiphol New York John F Kennedy Intl
KLM Logo
20:55 - 09:50BOS  Boston Logan Intl-CWL Cardiff Wales
31h 55m1 stop Amsterdam Schiphol
£689KLM
Wed, 23 Dec - Wed, 30 Dec
KLM Logo
17:15 - 18:20CWL  Cardiff Wales-BOS Boston Logan Intl
30h 05m1 stop Amsterdam Schiphol
KLM Logo
21:05 - 16:45BOS  Boston Logan Intl-CWL Cardiff Wales
14h 40m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
£753KLM
Fri, 30 Apr - Thu, 6 May
KLM Logo
09:45 - 07:24CWL  Cardiff Wales-BOS Boston Logan Intl
26h 39m2 stops Amsterdam Schiphol New York John F Kennedy Intl
KLM Logo
21:05 - 16:45BOS  Boston Logan Intl-CWL Cardiff Wales
14h 40m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
£776KLM
Fri, 30 Apr - Thu, 6 May
Multiple Airlines Logo
09:45 - 13:18CWL  Cardiff Wales-BOS Boston Logan Intl
32h 33m1 stop Amsterdam Schiphol
Multiple Airlines Logo
16:40 - 16:45BOS  Boston Logan Intl-CWL Cardiff Wales
19h 05m1 stop Amsterdam Schiphol
£786Multiple Airlines
Fri, 30 Apr - Thu, 6 May
Multiple Airlines Logo
15:35 - 14:45CWL  Cardiff Wales-BOS Boston Logan Intl
28h 10m3 stops Dublin Kastrup Copenhagen Lisbon Humberto Delgado
Multiple Airlines Logo
20:50 - 15:10BOS  Boston Logan Intl-CWL Cardiff Wales
13h 20m2 stops Reykjavik Keflavik Intl Dublin
£809Multiple Airlines
Fri, 30 Apr - Thu, 6 May
Multiple Airlines Logo
15:35 - 14:45CWL  Cardiff Wales-BOS Boston Logan Intl
28h 10m3 stops Dublin Kastrup Copenhagen Lisbon Humberto Delgado
Multiple Airlines Logo
10:35 - 15:10BOS  Boston Logan Intl-CWL Cardiff Wales
23h 35m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
£819Multiple Airlines
Fri, 30 Apr - Thu, 6 May
Multiple Airlines Logo
10:20 - 22:34CWL  Cardiff Wales-BOS Boston Logan Intl
41h 14m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Multiple Airlines Logo
06:00 - 09:45BOS  Boston Logan Intl-CWL Cardiff Wales
22h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
£821Multiple Airlines
Wed, 23 Dec - Wed, 30 Dec
Multiple Airlines Logo
17:30 - 15:45CWL  Cardiff Wales-BOS Boston Logan Intl
51h 15m3 stops Amsterdam Schiphol Dublin Kastrup Copenhagen
Multiple Airlines Logo
17:35 - 09:50BOS  Boston Logan Intl-CWL Cardiff Wales
35h 15m3 stops Kastrup Copenhagen Dublin Amsterdam Schiphol
£836Multiple Airlines
Wed, 23 Dec - Wed, 30 Dec
Multiple Airlines Logo
17:30 - 13:55CWL  Cardiff Wales-BOS Boston Logan Intl
25h 25m2 stops Amsterdam Schiphol Dublin
Multiple Airlines Logo
21:20 - 08:30BOS  Boston Logan Intl-CWL Cardiff Wales
30h 10m3 stops Dublin Glasgow Intl Belfast City
£986Multiple Airlines
Wed, 23 Dec - Wed, 30 Dec

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KLM flights from Cardiff to Boston

Our best KLM deals on Cardiff to Boston flight tickets
KLM
23 Dec
CWL10:20Cardiff Wales
13h 41m
1 stop
BOS19:01Boston Logan Intl
30 Dec
BOS20:55Boston Logan Intl
31h 55m
1 stop
CWL09:50Cardiff Wales
£657
KLM
23 Dec
CWL17:30Cardiff Wales
34h 04m
2 stops
BOS22:34Boston Logan Intl
30 Dec
BOS20:55Boston Logan Intl
31h 55m
1 stop
CWL09:50Cardiff Wales
£689
KLM
30 Apr
CWL17:15Cardiff Wales
30h 05m
1 stop
BOS18:20Boston Logan Intl
6 May
BOS21:05Boston Logan Intl
14h 40m
2 stops
CWL16:45Cardiff Wales
£753

momondo Fare Finder

 
Use the filters below to find and compare flights from Cardiff to Boston that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 23/12

10:20-19:01

1 stop13h 41m

Boston Logan Intl

Wed 30/12

20:55-09:50

1 stop31h 55m

£657

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 23/12

17:30-22:34

2 stops34h 04m

Boston Logan Intl

Wed 30/12

20:55-09:50

1 stop31h 55m

£689

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 30/4

17:15-18:20

1 stop30h 05m

Boston Logan Intl

Thu 6/5

21:05-16:45

2 stops14h 40m

£753
Fastest return journey

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 30/4

09:45-07:24

2 stops26h 39m

Boston Logan Intl

Thu 6/5

21:05-16:45

2 stops14h 40m

£776

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 30/4

09:45-13:18

1 stop32h 33m

Boston Logan Intl

Thu 6/5

16:40-16:45

1 stop19h 05m

£786

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 30/4

15:35-14:45

3 stops28h 10m

Boston Logan Intl

Thu 6/5

20:50-15:10

2 stops13h 20m

£809

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 30/4

15:35-14:45

3 stops28h 10m

Boston Logan Intl

Thu 6/5

10:35-15:10

3 stops23h 35m

£819

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 23/12

10:20-22:34

2 stops41h 14m

Boston Logan Intl

Wed 30/12

06:00-09:45

2 stops22h 45m

£821

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 23/12

17:30-15:45

3 stops51h 15m

Boston Logan Intl

Wed 30/12

17:35-09:50

3 stops35h 15m

£836

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 23/12

17:30-13:55

2 stops25h 25m

Boston Logan Intl

Wed 30/12

21:20-08:30

3 stops30h 10m

£986

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 return 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

£376

Fastest flight time

13h 41m

Direct flights

None
The best one-way flight to Boston from Cardiff in the past 72 hours is £376. The best return flight deal from Cardiff to Boston found on momondo in the last 72 hours is £657.
The fastest flight from Cardiff to Boston takes 13h 41m
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 straight-line distance from Cardiff Wales to Boston Logan Intl is 3144.0 mi. A reasonable flight in good conditions will take 13h 41m.

  • 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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Boston Logan Intl 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 Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable 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?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Cardiff from Boston. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Salem
Cambridge
Braintree
Dedham
Brookline
Chelsea
Plymouth
Foxborough
Weymouth
Waltham
Woburn
Randolph
Burlington
Seekonk
Marlborough
York Beach
Amherst
Quincy
Canton
Framingham

Why use momondo?

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

Finding the right flight to Boston from Cardiff is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Boston from Cardiff which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Cardiff and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Boston from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Boston trip

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