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

Search flight deals from Cardiff to Maine . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Cardiff to Maine with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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 March 2026, 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.

£511 Cheap Flights from Cardiff to Maine in 2026

1 adult

0 bags

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Find the cheapest flights from Cardiff to Maine

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

22:50 - 21:05

CWL

BOS

27h 15m

2 stops

23:30 - 22:50

BOS

CWL

18h 20m

1 stop

£511Multiple Airlines

Thu, 16 Apr - Mon, 20 Apr

16:55 - 21:05

CWL

BOS

33h 10m

2 stops

23:30 - 22:50

BOS

CWL

18h 20m

1 stop

£514Multiple Airlines

Thu, 16 Apr - Mon, 20 Apr

23:50 - 21:05

CWL

BOS

26h 15m

2 stops

21:15 - 22:25

BOS

CWL

20h 10m

1 stop

£540Multiple Airlines

Wed, 15 Apr - Wed, 22 Apr

09:45 - 16:25

CWL

BOS

11h 40m

1 stop

16:35 - 09:15

BOS

CWL

11h 40m

1 stop

£544KLM

Wed, 15 Apr - Wed, 22 Apr

21:45 - 21:05

CWL

BOS

52h 20m

2 stops

17:25 - 22:00

BOS

CWL

23h 35m

1 stop

£555Multiple Airlines

Sun, 12 Apr - Sun, 19 Apr

17:15 - 13:13

CWL

BOS

24h 58m

1 stop

20:25 - 16:45

BOS

CWL

15h 20m

1 stop

£570Air France

Thu, 16 Apr - Mon, 20 Apr

09:45 - 23:52

CWL

BOS

19h 07m

2 stops

05:30 - 09:15

BOS

CWL

22h 45m

2 stops

£572Virgin Atlantic

Wed, 15 Apr - Wed, 22 Apr

17:15 - 13:13

CWL

BOS

24h 58m

1 stop

20:25 - 16:45

BOS

CWL

15h 20m

1 stop

£574Air France

Thu, 16 Apr - Mon, 20 Apr

21:45 - 18:30

CWL

BOS

25h 45m

2 stops

20:25 - 22:00

BOS

CWL

20h 35m

2 stops

£592Multiple Airlines

Sun, 29 Mar - Sun, 5 Apr

22:50 - 20:20

CWL

BOS

26h 30m

2 stops

20:50 - 22:50

BOS

CWL

21h 00m

3 stops

£602Multiple Airlines

Thu, 16 Apr - Mon, 20 Apr

Air France flights from Cardiff to Maine

Our best Air France deals on Cardiff to Maine flight tickets

Air France

16 Apr

CWL17:15Cardiff Wales

24h 58m

1 stop

BOS13:13Boston Logan Intl

20 Apr

BOS20:25Boston Logan Intl

15h 20m

1 stop

CWL16:45Cardiff Wales

£574

Air France

29 Mar

CWL17:15Cardiff Wales

50h 40m

2 stops

BOS14:55Boston Logan Intl

5 Apr

BOS17:10Boston Logan Intl

18h 35m

2 stops

CWL16:45Cardiff Wales

£791

KLM flights from Cardiff to Maine

Our best KLM deals on Cardiff to Maine flight tickets

KLM

15 Apr

CWL09:45Cardiff Wales

11h 40m

1 stop

BOS16:25Boston Logan Intl

22 Apr

BOS16:35Boston Logan Intl

11h 40m

1 stop

CWL09:15Cardiff Wales

£544

KLM

12 Apr

CWL09:50Cardiff Wales

32h 23m

1 stop

BOS13:13Boston Logan Intl

19 Apr

BOS20:25Boston Logan Intl

31h 50m

1 stop

CWL09:15Cardiff Wales

£648

KLM

29 Mar

CWL17:15Cardiff Wales

30h 15m

1 stop

BOS18:30Boston Logan Intl

5 Apr

BOS16:35Boston Logan Intl

19h 10m

1 stop

CWL16:45Cardiff Wales

£785

Fly from

Fly to

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 16/4

22:50-21:05

2 stops27h 15m

Boston Logan Intl

Mon 20/4

23:30-22:50

1 stop18h 20m

£511

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 16/4

16:55-21:05

2 stops33h 10m

Boston Logan Intl

Mon 20/4

23:30-22:50

1 stop18h 20m

£514

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 15/4

23:50-21:05

2 stops26h 15m

Boston Logan Intl

Wed 22/4

21:15-22:25

1 stop20h 10m

£540

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 15/4

09:45-16:25

1 stop11h 40m

Boston Logan Intl

Wed 22/4

16:35-09:15

1 stop11h 40m

£544

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sun 12/4

21:45-21:05

2 stops52h 20m

Boston Logan Intl

Sun 19/4

17:25-22:00

1 stop23h 35m

£555

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 16/4

17:15-13:13

1 stop24h 58m

Boston Logan Intl

Mon 20/4

20:25-16:45

1 stop15h 20m

£570

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 15/4

09:45-23:52

2 stops19h 07m

Boston Logan Intl

Wed 22/4

05:30-09:15

2 stops22h 45m

£572

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 16/4

17:15-13:13

1 stop24h 58m

Boston Logan Intl

Mon 20/4

20:25-16:45

1 stop15h 20m

£574

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sun 29/3

21:45-18:30

2 stops25h 45m

Boston Logan Intl

Sun 5/4

20:25-22:00

2 stops20h 35m

£592

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 16/4

22:50-20:20

2 stops26h 30m

Boston Logan Intl

Mon 20/4

20:50-22:50

3 stops21h 00m

£602

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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	27h 15m
Direct flights	None

The fastest flight from Cardiff to Maine takes 27h 15m

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 March 2026, 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.

How do I get Price Alerts for flights from Cardiff to Maine?
Search flight deals from Cardiff to Maine. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Cardiff to Maine with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.