How do I get Price Alerts for flights from Cardiff to Boston?

Confirm your travel details to search for the latest offers for flights from Cardiff to Boston . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

$637 Cheap Flights from Cardiff to Boston (CWL-BOS) in 2025

1 adult

0 bags

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Find the cheapest flights from Cardiff to Boston (CWL-BOS)

Round-trip

One-way

Cheap round-trip flights

9:50 am - 4:30 pmCWL-BOS

11h 40m1 stop

6:45 pm - 4:45 pmBOS-CWL

17h 00m1 stop

$637Delta

Find Deal

Wed, Sep 3 - Mon, Sep 22

9:50 am - 6:25 pmCWL-BOS

13h 35m1 stop

8:15 pm - 4:45 pmBOS-CWL

15h 30m1 stop

$638Air France

Find Deal

Wed, Sep 3 - Wed, Sep 24

9:50 am - 7:26 pmCWL-BOS

14h 36m2 stops

8:50 pm - 4:45 pmBOS-CWL

14h 55m2 stops

$643Delta

Find Deal

Wed, Sep 3 - Mon, Sep 22

9:50 am - 7:26 pmCWL-BOS

14h 36m2 stops

8:15 pm - 4:45 pmBOS-CWL

15h 30m1 stop

$648

Find Deal

Wed, Sep 3 - Tue, Sep 23

10:20 am - 6:55 pmCWL-BOS

13h 35m1 stop

8:50 pm - 4:55 pmBOS-CWL

15h 05m1 stop

$654KLM

Find Deal

Wed, Dec 10 - Wed, Jan 7

9:50 am - 7:26 pmCWL-BOS

14h 36m2 stops

10:20 pm - 4:45 pmBOS-CWL

13h 25m2 stops

$673

Find Deal

Wed, Sep 3 - Wed, Sep 24

4:20 pm - 5:50 pmCWL-BOS

30h 30m2 stops

9:25 pm - 3:55 pmBOS-CWL

13h 30m1 stop

$676

Find Deal

Tue, Sep 2 - Mon, Sep 22

10:20 am - 11:34 pmCWL-BOS

18h 14m2 stops

6:00 am - 9:50 amBOS-CWL

22h 50m2 stops

$677Virgin Atlantic

Find Deal

Wed, Dec 10 - Wed, Jan 7

5:15 pm - 4:30 pmCWL-BOS

28h 15m1 stop

6:45 pm - 9:15 amBOS-CWL

9h 30m1 stop

$679KLM

Find Deal

Thu, Sep 4 - Mon, Sep 22

5:30 pm - 1:25 pmCWL-BOS

24h 55m1 stop

1:10 pm - 9:50 amBOS-CWL

15h 40m2 stops

$684Virgin Atlantic

Find Deal

Sun, Jan 11 - Fri, Jan 16

Delta flights from Cardiff to Boston

Our best Delta deals on Cardiff to Boston flight tickets

Delta

Sep 3

CWL9:50 amCardiff Wales

11h 40m

1 stop

BOS4:30 pmBoston Logan Intl

Sep 22

BOS6:45 pmBoston Logan Intl

17h 00m

1 stop

CWL4:45 pmCardiff Wales

$637

Find similar

Delta

Sep 3

CWL9:50 amCardiff Wales

14h 36m

2 stops

BOS7:26 pmBoston Logan Intl

Sep 22

BOS8:50 pmBoston Logan Intl

14h 55m

2 stops

CWL4:45 pmCardiff Wales

$643

Find similar

Delta

Sep 5

CWL9:50 amCardiff Wales

13h 35m

1 stop

BOS6:25 pmBoston Logan Intl

Sep 24

BOS1:25 pmBoston Logan Intl

14h 50m

2 stops

CWL9:15 amCardiff Wales

$678

Find similar

Air France flights from Cardiff to Boston

Our best Air France deals on Cardiff to Boston flight tickets

Air France

Sep 3

CWL9:50 amCardiff Wales

13h 35m

1 stop

BOS6:25 pmBoston Logan Intl

Sep 24

BOS8:15 pmBoston Logan Intl

15h 30m

1 stop

CWL4:45 pmCardiff Wales

$638

Find similar

Air France

Sep 4

CWL9:50 amCardiff Wales

15h 30m

2 stops

BOS8:20 pmBoston Logan Intl

Sep 24

BOS10:20 pmBoston Logan Intl

13h 25m

2 stops

CWL4:45 pmCardiff Wales

$741

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 9/3

9:50 am-4:30 pm

1 stop11h 40m

Boston Logan Intl

Mon 9/22

6:45 pm-4:45 pm

1 stop17h 00m

$637

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 9/3

9:50 am-6:25 pm

1 stop13h 35m

Boston Logan Intl

Wed 9/24

8:15 pm-4:45 pm

1 stop15h 30m

$638

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 9/3

9:50 am-7:26 pm

2 stops14h 36m

Boston Logan Intl

Mon 9/22

8:50 pm-4:45 pm

2 stops14h 55m

$643

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 9/3

9:50 am-7:26 pm

2 stops14h 36m

Boston Logan Intl

Tue 9/23

8:15 pm-4:45 pm

1 stop15h 30m

$648

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 12/10

10:20 am-6:55 pm

1 stop13h 35m

Boston Logan Intl

Wed 1/7

8:50 pm-4:55 pm

1 stop15h 05m

$654

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 9/3

9:50 am-7:26 pm

2 stops14h 36m

Boston Logan Intl

Wed 9/24

10:20 pm-4:45 pm

2 stops13h 25m

$673

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 9/2

4:20 pm-5:50 pm

2 stops30h 30m

Boston Logan Intl

Mon 9/22

9:25 pm-3:55 pm

1 stop13h 30m

$676

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 12/10

10:20 am-11:34 pm

2 stops18h 14m

Boston Logan Intl

Wed 1/7

6:00 am-9:50 am

2 stops22h 50m

$677

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 9/4

5:15 pm-4:30 pm

1 stop28h 15m

Boston Logan Intl

Mon 9/22

6:45 pm-9:15 am

1 stop9h 30m

$679

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sun 1/11

5:30 pm-1:25 pm

1 stop24h 55m

Boston Logan Intl

Fri 1/16

1:10 pm-9:50 am

2 stops15h 40m

$684

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights	None

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 10h 40m, 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.

How do I get Price Alerts for flights from Cardiff to Boston?
Confirm your travel details to search for the latest offers for flights from Cardiff to Boston. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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Falmouth

Everett

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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.