Which airports can I use when flying from Boston to Cardiff?

Flights from Boston to Cardiff usually depart from Boston Logan Intl (BOS) and arrive at Cardiff Wales (CWL).

What cabin classes can I book on flights from Boston to Cardiff?

Only Economy Class is available on flights from Boston to Cardiff.

Which airports do connecting flights from Boston to Cardiff pass through?

Connecting flights from Boston to Cardiff most commonly pass through: • Amsterdam Schiphol (AMS) - 96% of one-stop connections • Dublin (DUB) - 4% of one-stop connections

Can I save money by using flexible dates for flights from Boston to Cardiff?

Yes. Flexible dates can save you up to 51% on flights from Boston to Cardiff. Thursday is the cheapest departure day at $839 round-trip on average, while Wednesday is the most expensive at $1,681, a difference of $842. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Boston to Cardiff?

There are currently no nonstop flights available from Boston to Cardiff. Flights with 1 layover take between 11h 32m and 12h 10m in total, depending on the connection.

Do I need a passport to fly from Boston to Cardiff?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Boston to Cardiff looking right now?

One-way fares from Boston to Cardiff are currently lower than usual. Average one-way flight prices are about $401, which is 10% below the typical average for this route.

How much time can I save by choosing a different layover airport from Boston to Cardiff?

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 11h 32m, compared with 12h 10m via Dublin (DUB).

What is the time difference between Boston and Cardiff?

Cardiff is 5 hours ahead of Boston (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Cardiff Wales Airport (CWL)?

Cardiff Wales Airport (CWL) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include: • Alamo • Budget • Avis • Enterprise Rent-A-Car • National

How much should I expect to pay for a Boston to Cardiff flight?

Round-trip flights from Boston to Cardiff range from $830 to $1,360, with an average of $1,166 over the past 12 months. Anything below $830 counts as a good deal.

What’s the most popular layover airport when flying from Boston to Cardiff?

Amsterdam Schiphol (AMS) is the most popular layover for the Boston to Cardiff route. 96% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via AMS.

What is the cheapest layover airport when flying from Boston to Cardiff?

Flights via Dublin (DUB) offer the most affordable fares, with an average round-trip price of $971. Based on KAYAK data over the past 3 months.

When flying from Boston to Cardiff which airport offers the shortest layover?

Amsterdam Schiphol (AMS) had the shortest average connection time for Boston to Cardiff layovers at 7h 23m over the past 3 months.

Cheap Flights from Boston to Cardiff | KAYAK

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$644

Typical prices: $830-$1,360

Multiple Airlines

Wed 11/7Wed 11/14

BOS - CWL • 1 stop

Cheapest one-way

$338

Typical prices: $403-$553

Multiple Airlines

Sun 1/14

BOS - CWL • 1 stop

When to travel

January

Cheapest • 29% price drop

April

Most popular

Good to know

Top layover airports

Dublin (DUB)

Cheapest • Avg $971 (round-trip)

Amsterdam Schiphol (AMS)

Shortest trip • 11h 32m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Cardiff!

Flight Deals

Cheap Flights from Boston to Cardiff (BOS-CWL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Boston to Cardiff

Sat, Nov 7 - Sat, Nov 14

9:20 pm - 1:55 pmBOS Boston Logan Intl-CWL Cardiff Wales

11h 35m1 stop Dublin

8:15 am - 7:05 pmCWL Cardiff Wales-BOS Boston Logan Intl

15h 50m1 stop Dublin

$644Multiple Airlines

Fri, Nov 13 - Mon, Nov 16

5:15 pm - 7:50 amBOS Boston Logan Intl-CWL Cardiff Wales

9h 35m1 stop Dublin

8:35 am - 8:30 pmCWL Cardiff Wales-BOS Boston Logan Intl

40h 55m2 stops Dublin Porto

$807Multiple Airlines

Fri, Dec 11 - Mon, Dec 14

5:15 pm - 7:50 amBOS Boston Logan Intl-CWL Cardiff Wales

9h 35m1 stop Dublin

8:35 am - 1:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

10h 20m1 stop Dublin

$819Multiple Airlines

Fri, Nov 13 - Mon, Nov 16

5:15 pm - 7:50 amBOS Boston Logan Intl-CWL Cardiff Wales

9h 35m1 stop Dublin

8:35 am - 1:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

10h 20m1 stop Dublin

$820Multiple Airlines

Fri, Dec 11 - Mon, Dec 14

11:10 am - 7:50 amBOS Boston Logan Intl-CWL Cardiff Wales

15h 40m2 stops New York John F Kennedy Intl Dublin

8:35 am - 1:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

10h 20m1 stop Dublin

$826Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

9:20 pm - 1:55 pmBOS Boston Logan Intl-CWL Cardiff Wales

11h 35m1 stop Dublin

10:20 am - 1:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

32h 35m3 stops Amsterdam Schiphol Paris Charles de Gaulle Dublin

$856Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

9:20 pm - 1:55 pmBOS Boston Logan Intl-CWL Cardiff Wales

11h 35m1 stop Dublin

5:30 pm - 1:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

25h 25m2 stops Amsterdam Schiphol Dublin

$869Multiple Airlines

Wed, Nov 25 - Wed, Dec 2

5:15 pm - 1:00 pmBOS Boston Logan Intl-CWL Cardiff Wales

14h 45m1 stop Dublin

12:15 pm - 1:55 pmCWL Cardiff Wales-BOS Boston Logan Intl

30h 40m3 stops Belfast City Glasgow Intl Dublin

$877Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

3:10 pm - 1:55 pmBOS Boston Logan Intl-CWL Cardiff Wales

17h 45m2 stops Toronto Pearson Intl Dublin

5:30 pm - 10:37 pmCWL Cardiff Wales-BOS Boston Logan Intl

34h 07m3 stops Amsterdam Schiphol Dublin Toronto Pearson Intl

$951Multiple Airlines

Sun, Nov 22 - Sun, Nov 29

5:15 pm - 8:10 amBOS Boston Logan Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

9:05 am - 4:15 pmCWL Cardiff Wales-BOS Boston Logan Intl

36h 10m2 stops Alicante Shannon

$998Multiple Airlines

Booking Insights

Price, demand and travel trends for Boston to Cardiff flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What’s the most popular layover airport when flying from Boston to Cardiff? KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.: Amsterdam Schiphol (AMS) is the most popular layover for the Boston to Cardiff route. 96% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via AMS.
What is the cheapest layover airport when flying from Boston to Cardiff?: Flights via Dublin (DUB) offer the most affordable fares, with an average round-trip price of $971. Based on KAYAK data over the past 3 months.
When flying from Boston to Cardiff which airport offers the shortest layover?: Amsterdam Schiphol (AMS) had the shortest average connection time for Boston to Cardiff layovers at 7h 23m over the past 3 months.

Find deals

Low season	November
High season	April
Cheapest flight	$338

Beat the crowds with an average 42% drop in travelers.

The most popular month to fly with an average 190% increase in travelers.

One-way flight from Boston to Cardiff

When to book flights from Boston to Cardiff

Are your dates flexible? Find out the best times to travel from Boston to Cardiff based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Boston to Cardiff?
Only Economy Class is available on flights from Boston to Cardiff.
How long is a flight from Boston to Cardiff?
There are currently no nonstop flights available from Boston to Cardiff. Flights with 1 layover take between 11h 32m and 12h 10m in total, depending on the connection.
Do I need a passport to fly from Boston to Cardiff?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Boston to Cardiff flight?
Round-trip flights from Boston to Cardiff range from $830 to $1,360, with an average of $1,166 over the past 12 months. Anything below $830 counts as a good deal.
How are flight prices from Boston to Cardiff looking right now?
One-way fares from Boston to Cardiff are currently lower than usual. Average one-way flight prices are about $401, which is 10% below the typical average for this route.
What car rental options are available at Cardiff Wales Airport (CWL)?
Cardiff Wales Airport (CWL) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

• Alamo
• Budget
• Avis
• Enterprise Rent-A-Car
• National
Which airports can I use when flying from Boston to Cardiff?
Flights from Boston to Cardiff usually depart from Boston Logan Intl (BOS) and arrive at Cardiff Wales (CWL).
Which airports do connecting flights from Boston to Cardiff pass through?
Connecting flights from Boston to Cardiff most commonly pass through:

• Amsterdam Schiphol (AMS) - 96% of one-stop connections
• Dublin (DUB) - 4% of one-stop connections
Can I save money by using flexible dates for flights from Boston to Cardiff?
Yes. Flexible dates can save you up to 51% on flights from Boston to Cardiff. Thursday is the cheapest departure day at $839 round-trip on average, while Wednesday is the most expensive at $1,681, a difference of $842.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Boston to Cardiff?
Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 11h 32m, compared with 12h 10m via Dublin (DUB).
What is the time difference between Boston and Cardiff?
Cardiff is 5 hours ahead of Boston (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Thursday departure and avoid flying on Wednesday. On this route, Thursday flights average $839, about $842 less than Wednesday fares (50% savings) based on the last 12 months.
If you can choose when to travel, plan your Boston to Cardiff trip for January. Fares historically average $827 round-trip in that month - typically $1,200 less than the most expensive month, which is May (based on the last 12 months).

More options for your flight from Boston to Cardiff

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Cardiff with a hotel stay or car rental

Car rentals in Cardiff

Hotels in Cardiff

BOS - CWL

$338 Find Cheap Flights from Boston to Cardiff - Compare and Save

Everything you should know

Cheap Flights from Boston to Cardiff (BOS-CWL)

Recent round-trip flight deals from Boston to Cardiff

Recent one-way flight deals from Boston to Cardiff

Price, demand and travel trends for Boston to Cardiff flights

What’s the most popular layover airport when flying from Boston to Cardiff?

What is the cheapest layover airport when flying from Boston to Cardiff?

When flying from Boston to Cardiff which airport offers the shortest layover?

Key details for Boston to Cardiff flights

Low season

High season

Cheapest flight

When to book flights from Boston to Cardiff

Your Boston to Cardiff flight questions, answered

Your guide to booking Boston to Cardiff flights

More options for your flight from Boston to Cardiff

Complete your trip to Cardiff with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Boston to Cardiff

Find direct flights to and from Boston and Cardiff

Flights from domestic origins to Cardiff

Flights to other popular destinations

Find deals for your return flight