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 April 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.

£580 Cheap Flights from Cardiff to Maine in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Cardiff to Maine

Round-trip

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

23:15 - 17:35

CWL

BOS

23h 20m

2 stops

18:50 - 10:15

BOS

CWL

34h 25m

2 stops

£580Multiple Airlines

Tue, 2 Jun - Tue, 9 Jun

23:15 - 22:39

CWL

BOS

28h 24m

3 stops

18:30 - 10:15

BOS

CWL

34h 45m

3 stops

£589Multiple Airlines

Tue, 2 Jun - Tue, 9 Jun

23:15 - 22:39

CWL

BOS

28h 24m

2 stops

18:30 - 10:15

BOS

CWL

34h 45m

3 stops

£591Multiple Airlines

Tue, 2 Jun - Tue, 9 Jun

23:15 - 09:05

CWL

BOS

38h 50m

2 stops

21:15 - 23:05

BOS

CWL

20h 50m

1 stop

£616Multiple Airlines

Tue, 2 Jun - Tue, 9 Jun

11:35 - 09:05

CWL

BOS

26h 30m

1 stop

16:45 - 10:15

BOS

CWL

36h 30m

2 stops

£635Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

22:50 - 22:39

CWL

BOS

28h 49m

2 stops

05:50 - 22:20

BOS

CWL

35h 30m

3 stops

£653Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

22:50 - 20:55

CWL

BOS

27h 05m

3 stops

05:50 - 22:20

BOS

CWL

35h 30m

3 stops

£656Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

22:50 - 22:39

CWL

BOS

28h 49m

2 stops

10:05 - 22:20

BOS

CWL

31h 15m

2 stops

£658Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

17:35 - 13:15

CWL

BOS

24h 40m

1 stop

21:50 - 09:50

BOS

CWL

32h 00m

1 stop

£769KLM

Sat, 17 Oct - Mon, 26 Oct

17:35 - 13:15

CWL

BOS

24h 40m

1 stop

17:00 - 09:50

BOS

CWL

12h 50m

2 stops

£772KLM

Sat, 17 Oct - Mon, 26 Oct

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KLM flights from Cardiff to Maine

Our best KLM deals on Cardiff to Maine flight tickets

KLM

17 Oct

CWL17:35Cardiff Wales

24h 40m

1 stop

BOS13:15Boston Logan Intl

26 Oct

BOS21:50Boston Logan Intl

32h 00m

1 stop

CWL09:50Cardiff Wales

£769

KLM

17 Oct

CWL17:35Cardiff Wales

24h 40m

1 stop

BOS13:15Boston Logan Intl

26 Oct

BOS17:00Boston Logan Intl

12h 50m

2 stops

CWL09:50Cardiff Wales

£772

KLM

24 Apr

CWL09:45Cardiff Wales

14h 50m

2 stops

BOS19:35Boston Logan Intl

29 Apr

BOS13:30Boston Logan Intl

14h 45m

2 stops

CWL09:15Cardiff Wales

£1,234

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 2/6

23:15-17:35

2 stops23h 20m

Boston Logan Intl

Tue 9/6

18:50-10:15

2 stops34h 25m

£580

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 2/6

23:15-22:39

3 stops28h 24m

Boston Logan Intl

Tue 9/6

18:30-10:15

3 stops34h 45m

£589

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 2/6

23:15-22:39

2 stops28h 24m

Boston Logan Intl

Tue 9/6

18:30-10:15

3 stops34h 45m

£591

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 2/6

23:15-09:05

2 stops38h 50m

Boston Logan Intl

Tue 9/6

21:15-23:05

1 stop20h 50m

£616

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 4/6

11:35-09:05

1 stop26h 30m

Boston Logan Intl

Thu 11/6

16:45-10:15

2 stops36h 30m

£635

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 4/6

22:50-22:39

2 stops28h 49m

Boston Logan Intl

Thu 11/6

05:50-22:20

3 stops35h 30m

£653

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 4/6

22:50-20:55

3 stops27h 05m

Boston Logan Intl

Thu 11/6

05:50-22:20

3 stops35h 30m

£656

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 4/6

22:50-22:39

2 stops28h 49m

Boston Logan Intl

Thu 11/6

10:05-22:20

2 stops31h 15m

£658

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 17/10

17:35-13:15

1 stop24h 40m

Boston Logan Intl

Mon 26/10

21:50-09:50

1 stop32h 00m

£769

Fastest return journey

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 17/10

17:35-13:15

1 stop24h 40m

Boston Logan Intl

Mon 26/10

17:00-09:50

2 stops12h 50m

£772

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	15h 31m
Direct flights	None

The fastest flight from Cardiff to Maine takes 15h 31m

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

Search flight deals

Frequently asked questions about flying from Cardiff to Maine

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 April 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.

Frequently asked questions about flying from Cardiff to Maine

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.