Cheap flights from Boston (BOS) to Cardiff (CWL)

BOS — CWL
Aug 14 — Aug 213

What is the cheapest day to fly round-trip from Boston to Cardiff?

Sunday is generally a great day to depart. Flying on this day could help you save up to 102%.

When is the cheapest time to fly from Boston to Cardiff (BOS - CWL)?

A simple way to save on the total cost of your ticket is to fly from Boston to Cardiff at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Cheap flights from Boston to Cardiff in August, September 2022

The best prices found for BOS to CWL flights for August, September
Sep 12 - Sep 27
BOS

Boston Logan Intl

CWL

Cardiff Wales

1 stop

17h 50m
CWL

Cardiff Wales

BOS

Boston Logan Intl

1 stop

15h 50m
$927

Delta

Pick Dates

Deal found 6.8.22

Sep 12 - Sep 27
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

19h 05m
CWL

Cardiff Wales

BOS

Boston Logan Intl

1 stop

12h 40m
$932

Delta

Pick Dates

Deal found 6.8.22

Sep 12 - Sep 27
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

16h 05m
CWL

Cardiff Wales

BOS

Boston Logan Intl

2 stops

16h 42m
$943

KLM

Pick Dates

Deal found 6.8.22

Boston to Cardiff 2022 flight deals

Cheap flights to Cardiff from Boston found for this year
Nov 1 - Nov 8
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

26h 10m
CWL

Cardiff Wales

BOS

Boston Logan Intl

2 stops

31h 10m
$863

Multiple Airlines

Pick Dates

Deal found 7.8.22

Sep 12 - Sep 27
BOS

Boston Logan Intl

CWL

Cardiff Wales

1 stop

17h 50m
CWL

Cardiff Wales

BOS

Boston Logan Intl

1 stop

15h 50m
$927

Delta

Pick Dates

Deal found 6.8.22

Sep 12 - Sep 27
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

19h 05m
CWL

Cardiff Wales

BOS

Boston Logan Intl

1 stop

12h 40m
$932

Delta

Pick Dates

Deal found 6.8.22

Cheap British Airways flights from Boston to Cardiff

Sep 28 - Oct 3
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

23h 25m
CWL

Cardiff Wales

BOS

Boston Logan Intl

2 stops

25h 33m
$974

British Airways

Pick Dates

Deal found 8.8.22

Sep 28 - Oct 2
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

23h 25m
CWL

Cardiff Wales

BOS

Boston Logan Intl

2 stops

25h 33m
$987

British Airways

Pick Dates

Deal found 9.8.22

Jan 5 - Jan 9
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

23h 00m
CWL

Cardiff Wales

BOS

Boston Logan Intl

2 stops

14h 45m
$988

British Airways

Pick Dates

Deal found 9.8.22

Cheap KLM flights from Boston to Cardiff

Sep 12 - Sep 27
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

16h 05m
CWL

Cardiff Wales

BOS

Boston Logan Intl

2 stops

16h 42m
$943

KLM

Pick Dates

Deal found 6.8.22

Sep 28 - Oct 3
BOS

Boston Logan Intl

CWL

Cardiff Wales

1 stop

17h 50m
CWL

Cardiff Wales

BOS

Boston Logan Intl

1 stop

26h 15m
$977

KLM

Pick Dates

Deal found 8.8.22

Sep 28 - Oct 3
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

16h 20m
CWL

Cardiff Wales

BOS

Boston Logan Intl

1 stop

26h 15m
$981

KLM

Pick Dates

Deal found 8.8.22

One-way flights to Cardiff from Boston

The cheapest one-way flights from Boston to Cardiff
Sep 4
BOS

Boston Logan Intl

CWL

Cardiff Wales

3 stops

42h 05m
$427

Multiple Airlines

Pick Dates

Deal found 6.8.22

Aug 16
BOS

Boston Logan Intl

CWL

Cardiff Wales

2 stops

33h 13m
$488

Multiple Airlines

Pick Dates

Deal found 8.8.22

Aug 22
BOS

Boston Logan Intl

CWL

Cardiff Wales

3 stops

38h 50m
$490

Multiple Airlines

Pick Dates

Deal found 6.8.22

Related info for your journey

Useful info, stats and facts about Boston to Cardiff flights.

Which airlines flying from Boston Logan Intl to Cardiff Wales have flexible cancellations due to COVID-19?

KLM and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Boston to Cardiff for under $900 on Cheapflights?

Yes, there are multiple flights from Boston to Cardiff for under $900. The cheapest flight booked recently is on Multiple Airlines for just $863, but on average you can expect to pay $976.

What are the most popular airlines that fly from Boston to Cardiff?

The most popular airlines flying from Boston to Cardiff are Delta, KLM and Virgin Atlantic. Something to consider prior to booking your flight.

What are the cheapest flights from Boston to Cardiff?

On average you can expect to pay $1,725 for a flight from Boston to Cardiff. The cheapest flight overall is $504 while the most popular route, (Boston Logan Intl - Cardiff Wales) is currently priced at $623.

Top 2 airlines flying from Boston to Cardiff

The chart below displays the airlines Cheapflights users traveling from Boston to Cardiff choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
KLMCheapest$685Average$976FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
DeltaCheapest$711Average$1,002FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights