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Cheap flights from Cardiff to Maine from £271

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — PWM
15 Aug — 22 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Maine

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Maine
Explore the most affordable flight options available from Cardiff to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 July 2026.

Fri 21/822:45
CWL
-
BOS
2 stops25h 30m
Multiple Airlines
Sun 30/821:15
BOS
-
CWL
1 stop19h 45m
Multiple Airlines
Deal found 16/7£644
Wed 5/823:15
CWL
-
BOS
2 stops38h 50m
Multiple Airlines
Fri 28/817:25
BOS
-
CWL
1 stop8h 30m
Multiple Airlines
Deal found 15/7£662
Wed 5/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Thu 27/817:25
BOS
-
CWL
1 stop23h 55m
Multiple Airlines
Deal found 15/7£663
Tue 4/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Fri 28/817:25
BOS
-
CWL
1 stop8h 30m
Multiple Airlines
Deal found 15/7£664
Tue 4/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Thu 27/817:25
BOS
-
CWL
1 stop23h 55m
Multiple Airlines
Deal found 15/7£664
Tue 4/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Mon 31/821:15
BOS
-
CWL
1 stop20h 35m
Multiple Airlines
Deal found 15/7£666
Wed 5/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Sun 30/821:15
BOS
-
CWL
1 stop19h 45m
Multiple Airlines
Deal found 15/7£667
Wed 5/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Sat 29/821:15
BOS
-
CWL
1 stop19h 05m
Multiple Airlines
Deal found 15/7£667
Tue 4/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Sun 30/821:15
BOS
-
CWL
1 stop19h 45m
Multiple Airlines
Deal found 15/7£668
Tue 4/823:15
CWL
-
BOS
2 stops24h 35m
Multiple Airlines
Sat 29/821:15
BOS
-
CWL
1 stop19h 05m
Multiple Airlines
Deal found 15/7£669
Thu 6/822:50
CWL
-
BOS
2 stops25h 00m
Multiple Airlines
Sun 30/821:15
BOS
-
CWL
1 stop19h 45m
Multiple Airlines
Deal found 15/7£670
Thu 6/822:50
CWL
-
BOS
2 stops25h 00m
Multiple Airlines
Sat 29/821:15
BOS
-
CWL
1 stop19h 05m
Multiple Airlines
Deal found 15/7£670

Find flight deals from Cardiff to Maine

Keep the following information in mind while searching for Cardiff to Maine flight deals. Data was last updated 16 July 2026.

Round-trip from

£662

One-way from

£271
5/8-28/8
  • 5/8-28/8
  • 3 total stops
  • 47h 20m total
  • Cardiff to Maine
Search Deals
8/9
  • 8/9
  • 3 total stops
  • 51h 05m total
  • Cardiff to Maine
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 July 2026.
Use the filters below to find and compare flights from Cardiff to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 21/8

22:45-19:15

2 stops25h 30m

Boston Logan Intl

Sun 30/8

21:15-22:00

1 stop19h 45m

£644

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 21/8

17:15-13:18

1 stop25h 03m

Boston Logan Intl

Sun 30/8

16:45-09:15

1 stop11h 30m

£690

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 4/8

23:15-09:05

2 stops38h 50m

Boston Logan Intl

Thu 13/8

23:40-06:55

1 stop26h 15m

£723

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 4/8

17:15-18:30

1 stop30h 15m

Boston Logan Intl

Thu 13/8

16:45-16:45

1 stop19h 00m

£775

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 3/8

09:45-22:43

2 stops17h 58m

Boston Logan Intl

Sat 29/8

13:34-09:15

2 stops14h 41m

£778

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 21/8

09:45-22:43

2 stops17h 58m

Boston Logan Intl

Sun 30/8

12:25-09:15

2 stops15h 50m

£794

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 1/8

09:50-13:18

1 stop32h 28m

Boston Logan Intl

Mon 31/8

19:05-09:15

1 stop9h 10m

£803

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 5/8

09:45-13:18

1 stop32h 33m

Boston Logan Intl

Wed 2/9

20:25-16:45

1 stop15h 20m

£803

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 8/8

09:50-13:18

1 stop32h 28m

Boston Logan Intl

Sun 30/8

16:45-09:15

1 stop11h 30m

£803
Fastest return journey

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 3/8

09:45-18:30

1 stop13h 45m

Boston Logan Intl

Wed 26/8

16:45-09:15

1 stop11h 30m

£803

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Cardiff to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Cardiff with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Maine

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Maine?

    For a flight from Cardiff to Maine, you will be flying from Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city.

  • How long is the flight from Cardiff to Maine?

    KLM can get you from Cardiff to Maine in just under 25h 03m. Your travel time can differ by up to . There are 3137 mi between Cardiff and Maine.

  • Can I find deals for flights from Cardiff to Maine that include hotel bookings?

    Yes. In addition to deals on Cardiff to Maine flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Maine.

  • Can I find deals for business class flights from Cardiff to Maine?

    Yes. Cheapflights offers flight deals from Cardiff to Maine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Maine?

When you search for this flight from Cardiff to Maine, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Maine?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Maine from Cardiff.

Can Cheapflights find flights from Cardiff to Maine with no change fees?

Need flexible booking options for your flight to Maine from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cardiff to Maine become cheaper?

Not ready to book yet? You can track prices for flights from Cardiff to Maine on Cheapflights with our Price Alert feature and get notified when better prices are available.

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