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Cheap flights from Cardiff to Boston from £339

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.
Multiple Airlines Logo
07:45 - 14:55CWL  Cardiff Wales-BOS Boston Logan Intl
12h 10m1 stop Dublin
Multiple Airlines Logo
21:15 - 21:20BOS  Boston Logan Intl-CWL Cardiff Wales
19h 05m1 stop Dublin
£510Multiple Airlines
Fri, 9 Oct - Sat, 17 Oct
Multiple Airlines Logo
17:15 - 14:55CWL  Cardiff Wales-BOS Boston Logan Intl
26h 40m2 stops Amsterdam Schiphol Dublin
Multiple Airlines Logo
21:15 - 21:20BOS  Boston Logan Intl-CWL Cardiff Wales
19h 05m1 stop Dublin
£655Multiple Airlines
Fri, 9 Oct - Sat, 17 Oct
Multiple Airlines Logo
09:45 - 18:30CWL  Cardiff Wales-BOS Boston Logan Intl
13h 45m1 stop Amsterdam Schiphol
Multiple Airlines Logo
20:20 - 17:00BOS  Boston Logan Intl-CWL Cardiff Wales
16h 40m1 stop Amsterdam Schiphol
£664Multiple Airlines
Sat, 24 Oct - Sat, 31 Oct
Multiple Airlines Logo
10:20 - 14:20CWL  Cardiff Wales-BOS Boston Logan Intl
33h 00m1 stop Amsterdam Schiphol
Multiple Airlines Logo
19:25 - 09:50BOS  Boston Logan Intl-CWL Cardiff Wales
9h 25m1 stop Amsterdam Schiphol
£701Multiple Airlines
Wed, 16 Dec - Mon, 21 Dec
Delta Logo
09:45 - 18:30CWL  Cardiff Wales-BOS Boston Logan Intl
13h 45m1 stop Amsterdam Schiphol
Delta Logo
13:35 - 09:50BOS  Boston Logan Intl-CWL Cardiff Wales
16h 15m2 stops Chicago O'Hare Intl Amsterdam Schiphol
£738Delta
Sat, 24 Oct - Sat, 31 Oct
Virgin Atlantic Logo
09:45 - 13:15CWL  Cardiff Wales-BOS Boston Logan Intl
32h 30m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
17:25 - 09:15BOS  Boston Logan Intl-CWL Cardiff Wales
34h 50m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£741Virgin Atlantic
Wed, 7 Oct - Sat, 10 Oct
Multiple Airlines Logo
09:45 - 18:30CWL  Cardiff Wales-BOS Boston Logan Intl
13h 45m1 stop Amsterdam Schiphol
Multiple Airlines Logo
20:25 - 16:45BOS  Boston Logan Intl-CWL Cardiff Wales
15h 20m1 stop Amsterdam Schiphol
£743Multiple Airlines
Wed, 7 Oct - Sat, 10 Oct
Multiple Airlines Logo
10:20 - 23:59CWL  Cardiff Wales-BOS Boston Logan Intl
18h 39m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Multiple Airlines Logo
19:25 - 09:50BOS  Boston Logan Intl-CWL Cardiff Wales
9h 25m1 stop Amsterdam Schiphol
£752Multiple Airlines
Wed, 16 Dec - Mon, 21 Dec
Air France Logo
09:45 - 19:35CWL  Cardiff Wales-BOS Boston Logan Intl
14h 50m2 stops Amsterdam Schiphol Paris Charles de Gaulle
Air France Logo
21:45 - 16:45BOS  Boston Logan Intl-CWL Cardiff Wales
14h 00m2 stops Paris Charles de Gaulle Amsterdam Schiphol
£757Air France
Fri, 9 Oct - Sat, 17 Oct
Multiple Airlines Logo
09:45 - 23:08CWL  Cardiff Wales-BOS Boston Logan Intl
18h 23m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Multiple Airlines Logo
23:40 - 09:15BOS  Boston Logan Intl-CWL Cardiff Wales
28h 35m2 stops Dublin Amsterdam Schiphol
£764Multiple Airlines
Wed, 7 Oct - Sat, 10 Oct

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

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Route

Depart

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Price

Cheapest return flight

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 9/10

07:45-14:55

1 stop12h 10m

Boston Logan Intl

Sat 17/10

21:15-21:20

1 stop19h 05m

£510

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 9/10

17:15-14:55

2 stops26h 40m

Boston Logan Intl

Sat 17/10

21:15-21:20

1 stop19h 05m

£655

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sat 24/10

09:45-18:30

1 stop13h 45m

Boston Logan Intl

Sat 31/10

20:20-17:00

1 stop16h 40m

£664

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 16/12

10:20-14:20

1 stop33h 00m

Boston Logan Intl

Mon 21/12

19:25-09:50

1 stop9h 25m

£701

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sat 24/10

09:45-18:30

1 stop13h 45m

Boston Logan Intl

Sat 31/10

13:35-09:50

2 stops16h 15m

£738

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 7/10

09:45-13:15

1 stop32h 30m

Boston Logan Intl

Sat 10/10

17:25-09:15

2 stops34h 50m

£741

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 7/10

09:45-18:30

1 stop13h 45m

Boston Logan Intl

Sat 10/10

20:25-16:45

1 stop15h 20m

£743
Fastest return journey

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 16/12

10:20-23:59

2 stops18h 39m

Boston Logan Intl

Mon 21/12

19:25-09:50

1 stop9h 25m

£752

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 9/10

09:45-19:35

2 stops14h 50m

Boston Logan Intl

Sat 17/10

21:45-16:45

2 stops14h 00m

£757

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 7/10

09:45-23:08

2 stops18h 23m

Boston Logan Intl

Sat 10/10

23:40-09:15

2 stops28h 35m

£764

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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

£339

Fastest flight time

13h 45m

Direct flights

None
The best one-way flight to Boston from Cardiff in the past 72 hours is £339. The best return flight deal from Cardiff to Boston found on momondo in the last 72 hours is £510.
The fastest flight from Cardiff to Boston takes 13h 45m
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 45m.

  • 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
Waltham
Braintree
Dedham
Chelsea
Brookline
Plymouth
Foxborough
Weymouth
Woburn
Randolph
Burlington
Seekonk
Marlborough
York Beach
Needham
Quincy
Amherst
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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