When did momondo last update prices for flights from Cardiff Wales Airport to Maine?

Prices for flights from Cardiff Wales Airport to Maine refresh daily.

How many operators does momondo search for flights from Cardiff Wales Airport to Maine?

As of December 2025, there are 2 operators available to choose from for flights from Cardiff Wales Airport to Maine.

How old do you have to be to fly from Cardiff Wales Airport to Maine?

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 Maine.

What documentation or ID do you need to fly to Maine?

The required travel and health documents for your Maine 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 Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£571 Cheap Flights from Cardiff to Maine in 2025/26

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0 bags

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Find the cheapest flights from Cardiff to Maine

Round-trip

Last minute

Cheap return flights

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17:25 - 13:30

CWL

BOS

25h 05m1 stop

19:10 - 16:45

BOS

CWL

16h 35m1 stop

£571Virgin Atlantic

Thu, 29 Jan - Thu, 5 Feb

10:20 - 22:22

CWL

BOS

17h 02m2 stops

13:00 - 09:50

BOS

CWL

15h 50m2 stops

£576Delta

Thu, 29 Jan - Thu, 5 Feb

10:30 - 16:28

CWL

BOS

34h 58m3 stops

19:50 - 22:00

BOS

CWL

21h 10m2 stops

£825Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

10:30 - 16:28

CWL

BOS

34h 58m3 stops

15:35 - 22:00

BOS

CWL

25h 25m3 stops

£898Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

10:20 - 18:55

CWL

BOS

13h 35m1 stop

20:50 - 16:45

BOS

CWL

14h 55m1 stop

£1,459Delta

Fri, 26 Dec - Sun, 4 Jan

10:20 - 22:29

CWL

BOS

17h 09m2 stops

20:50 - 16:45

BOS

CWL

14h 55m1 stop

£1,462Delta

Fri, 26 Dec - Sun, 4 Jan

10:20 - 22:29

CWL

BOS

17h 09m2 stops

20:50 - 16:45

BOS

CWL

14h 55m1 stop

£1,463Delta

Fri, 26 Dec - Sun, 4 Jan

08:35 - 21:55

CWL

BOS

18h 20m2 stops

07:30 - 11:30

BOS

CWL

23h 00m2 stops

£1,649Multiple Airlines

Fri, 26 Dec - Sun, 4 Jan

10:20 - 22:29

CWL

BOS

17h 09m2 stops

13:04 - 09:50

BOS

CWL

15h 46m2 stops

£1,654KLM

Fri, 26 Dec - Sun, 4 Jan

10:20 - 22:29

CWL

BOS

17h 09m2 stops

13:04 - 09:50

BOS

CWL

15h 46m2 stops

£1,679KLM

Fri, 26 Dec - Sun, 4 Jan

Delta flights from Cardiff to Maine

Our best Delta deals on Cardiff to Maine flight tickets

Delta

29 Jan

CWL10:20Cardiff Wales

17h 02m

2 stops

BOS22:22Boston Logan Intl

5 Feb

BOS13:00Boston Logan Intl

15h 50m

2 stops

CWL09:50Cardiff Wales

£576

Find similar

Delta

26 Dec

CWL10:20Cardiff Wales

13h 35m

1 stop

BOS18:55Boston Logan Intl

4 Jan

BOS20:50Boston Logan Intl

14h 55m

1 stop

CWL16:45Cardiff Wales

£1,459

Find similar

Delta

26 Dec

CWL10:20Cardiff Wales

17h 09m

2 stops

BOS22:29Boston Logan Intl

4 Jan

BOS20:50Boston Logan Intl

14h 55m

1 stop

CWL16:45Cardiff Wales

£1,462

Find similar

KLM flights from Cardiff to Maine

Our best KLM deals on Cardiff to Maine flight tickets

KLM

26 Dec

CWL10:20Cardiff Wales

17h 09m

2 stops

BOS22:29Boston Logan Intl

4 Jan

BOS13:04Boston Logan Intl

15h 46m

2 stops

CWL09:50Cardiff Wales

£1,654

Find similar

KLM

19 Dec

CWL10:20Cardiff Wales

13h 35m

1 stop

BOS18:55Boston Logan Intl

2 Jan

BOS20:50Boston Logan Intl

31h 55m

1 stop

CWL09:45Cardiff Wales

£1,665

Find similar

KLM

19 Dec

CWL10:20Cardiff Wales

13h 35m

1 stop

BOS18:55Boston Logan Intl

2 Jan

BOS20:50Boston Logan Intl

31h 55m

1 stop

CWL09:45Cardiff Wales

£1,666

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 29/1

17:25-13:30

1 stop25h 05m

Boston Logan Intl

Thu 5/2

19:10-16:45

1 stop16h 35m

£571

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 29/1

10:20-22:22

2 stops17h 02m

Boston Logan Intl

Thu 5/2

13:00-09:50

2 stops15h 50m

£576

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 29/1

10:30-16:28

3 stops34h 58m

Boston Logan Intl

Thu 5/2

19:50-22:00

2 stops21h 10m

£825

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 29/1

10:30-16:28

3 stops34h 58m

Boston Logan Intl

Thu 5/2

15:35-22:00

3 stops25h 25m

£898

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 26/12

10:20-18:55

1 stop13h 35m

Boston Logan Intl

Sun 4/1

20:50-16:45

1 stop14h 55m

£1,459

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 26/12

10:20-22:29

2 stops17h 09m

Boston Logan Intl

Sun 4/1

20:50-16:45

1 stop14h 55m

£1,462

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 26/12

10:20-22:29

2 stops17h 09m

Boston Logan Intl

Sun 4/1

20:50-16:45

1 stop14h 55m

£1,463

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 26/12

08:35-21:55

2 stops18h 20m

Boston Logan Intl

Sun 4/1

07:30-11:30

2 stops23h 00m

£1,649

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 26/12

10:20-22:29

2 stops17h 09m

Boston Logan Intl

Sun 4/1

13:04-09:50

2 stops15h 46m

£1,654

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 26/12

10:20-22:29

2 stops17h 09m

Boston Logan Intl

Sun 4/1

13:04-09:50

2 stops15h 46m

£1,679

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Cardiff to Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Maine?

According to our data, Tuesday is the cheapest day to fly to Maine from Cardiff. The lowest ticket price found for a Tuesday departure recently was £470. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Maine is Friday, with ticket prices averaging around £783.

What is the cheapest time of day to depart on your flight to Maine?

Flying to Maine from Cardiff in the morning is the least expensive time of day to depart. momondo users have found prices as low as £514 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Maine is in the afternoon when prices are around £681.

Cheap Cardiff to Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Maine

Fastest flight time	13h 35m
Direct flights	None

The fastest flight from Cardiff to Maine takes 13h 35m

There are no direct flights from Cardiff to Maine. There are no popular flight routes from Cardiff to Maine.

Search flight deals

When did momondo last update prices for flights from Cardiff Wales Airport to Maine?
Prices for flights from Cardiff Wales Airport to Maine refresh daily.
How many operators does momondo search for flights from Cardiff Wales Airport to Maine?
As of December 2025, there are 2 operators available to choose from for flights from Cardiff Wales Airport to Maine.
How old do you have to be to fly from Cardiff Wales Airport to Maine?
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 Maine.
What documentation or ID do you need to fly to Maine?
The required travel and health documents for your Maine 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 Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Maine. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Cardiff to Maine flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Cardiff and Maine 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 Maine right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Cardiff to Maine now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Maine and let you know when they change.