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Cheap flights from Cardiff to Maine from £417

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — PWM
24 Apr — 1 May1
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 25 March 2026.

Wed 6/509:45
CWL
-
BOS
1 stop11h 40m
KLM
Wed 13/518:50
BOS
-
CWL
1 stop16h 55m
KLM
Deal found 22/3£600
Wed 6/509:45
CWL
-
BOS
2 stops18h 42m
Delta
Wed 13/520:25
BOS
-
CWL
1 stop15h 20m
Delta
Deal found 22/3£624
Wed 6/509:45
CWL
-
BOS
2 stops31h 20m
Virgin Atlantic
Wed 13/517:15
BOS
-
CWL
2 stops35h 00m
Virgin Atlantic
Deal found 22/3£644
Tue 27/1010:20
CWL
-
BOS
1 stop32h 05m
Delta
Wed 4/1120:50
BOS
-
CWL
1 stop15h 05m
Delta
Deal found 21/3£652
Mon 11/509:45
CWL
-
BOS
1 stop11h 40m
KLM
Sun 17/520:25
BOS
-
CWL
1 stop31h 50m
KLM
Deal found 23/3£663
Wed 28/1010:20
CWL
-
BOS
2 stops17h 14m
Delta
Wed 4/1120:50
BOS
-
CWL
1 stop15h 05m
Delta
Deal found 21/3£665
Mon 4/522:10
CWL
-
BOS
2 stops41h 31m
Multiple Airlines
Sat 9/523:30
BOS
-
CWL
1 stop16h 50m
Multiple Airlines
Deal found 24/3£671
Mon 11/517:15
CWL
-
BOS
3 stops30h 35m
Multiple Airlines
Sun 17/523:00
BOS
-
CWL
2 stops17h 45m
Multiple Airlines
Deal found 23/3£673
Mon 26/1010:20
CWL
-
BOS
1 stop13h 35m
Delta
Tue 3/1119:10
BOS
-
CWL
1 stop16h 45m
Delta
Deal found 21/3£679
Thu 29/1010:20
CWL
-
BOS
1 stop32h 05m
Delta
Wed 4/1119:10
BOS
-
CWL
1 stop16h 45m
Delta
Deal found 21/3£682
Tue 27/1010:20
CWL
-
BOS
1 stop32h 05m
Delta
Mon 2/1112:55
BOS
-
CWL
2 stops23h 00m
Delta
Deal found 21/3£692

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 25 March 2026.

Round-trip from

£583

One-way from

£417
20/4-27/4
  • 20/4-27/4
  • 3 total stops
  • 52h 25m total
  • Cardiff to Maine
Search Deals
22/4
  • 22/4
  • 3 total stops
  • 38h 45m 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 25 March 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

Wed 6/5

09:45-16:25

1 stop11h 40m

Boston Logan Intl

Wed 13/5

18:50-16:45

1 stop16h 55m

£600

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 6/5

09:45-23:27

2 stops18h 42m

Boston Logan Intl

Wed 13/5

20:25-16:45

1 stop15h 20m

£624

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 6/5

09:45-12:05

2 stops31h 20m

Boston Logan Intl

Wed 13/5

17:15-09:15

2 stops35h 00m

£644

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 4/5

22:10-10:41

2 stops41h 31m

Boston Logan Intl

Sat 9/5

23:30-21:20

1 stop16h 50m

£671

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 11/5

17:15-18:50

3 stops30h 35m

Boston Logan Intl

Sun 17/5

23:00-21:45

2 stops17h 45m

£673

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 11/5

09:45-23:37

2 stops18h 52m

Boston Logan Intl

Sun 17/5

06:00-09:15

2 stops22h 15m

£705
Fastest return journey

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 23/4

09:45-23:52

2 stops19h 07m

Boston Logan Intl

Fri 1/5

18:50-09:15

1 stop9h 25m

£754

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 6/5

17:15-22:39

3 stops34h 24m

Boston Logan Intl

Wed 13/5

23:15-22:25

3 stops18h 10m

£869

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 23/4

22:50-19:55

2 stops26h 05m

Boston Logan Intl

Fri 1/5

13:30-17:05

3 stops22h 35m

£917
Cheapest one-way
Fastest single journey

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 22/4

23:50-09:35

3 stops38h 45m

£417

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Sorted by cheapest first

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, Delta, and Virgin Atlantic can get you from Cardiff to Maine in just under 11h 40m. Your travel time can differ by up to 19h 40m. There are 3137 mi between Cardiff and Maine. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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

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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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