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Cheap flights from Portland, Maine to England from £337

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to England

Enter your travel dates to find the best prices.

Cheapest flights from Portland to England
Explore the most affordable flight options available from Portland to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Fri 12/1206:00PWM - LHR
1 stop9h 35mUnited Airlines
Fri 19/1207:25LHR - PWM
1 stop19h 04mUnited Airlines
Deal found 10/12£645
Fri 12/1206:00PWM - LHR
1 stop20h 50mMultiple Airlines
Fri 19/1216:25LHR - PWM
1 stop24h 24mMultiple Airlines
Deal found 11/12£922
Fri 12/1209:46PWM - LGW
1 stop19h 14mMultiple Airlines
Fri 19/1214:00LGW - PWM
1 stop25h 36mMultiple Airlines
Deal found 10/12£1,071
Mon 15/1215:55PWM - LHR
1 stop10h 55mMultiple Airlines
Thu 18/1210:05LHR - PWM
1 stop17h 50mMultiple Airlines
Deal found 11/12£1,075
Mon 15/1215:30PWM - LGW
2 stops14h 25mMultiple Airlines
Thu 18/1211:55LGW - PWM
2 stops17h 25mMultiple Airlines
Deal found 11/12£1,441
Fri 12/1214:34PWM - LCY
2 stops13h 56mDelta
Fri 19/1207:45LCY - PWM
2 stops19h 38mDelta
Deal found 11/12£7,174

Find flight deals from Portland to England

Keep the following information in mind while searching for Portland to England flight deals. Data was last updated 12 December 2025.

Round-trip from

£437

One-way from

£337

Popular in

June

Cheapest in

October

Average price

£539
Delta
  • Delta
  • 13/3-15/3
  • 3 total stops
  • 41h 45m total
  • Portland to England
Search Deals
6/6
  • 6/6
  • 2 total stops
  • 34h 44m total
  • Portland to England
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to England 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 12 December 2025.
Use the filters below to find and compare flights from Portland to England that are best for you.

Fly from

Portland

Fly to

England

Route

Depart

Return

Price

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 13/3

06:25-06:20

1 stop19h 55m

London Heathrow

Sun 15/3

06:20-00:10

2 stops21h 50m

£437

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 23/1

14:35-09:20

2 stops13h 45m

London Heathrow

Fri 30/1

06:40-00:20

2 stops22h 40m

£449

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 21/1

06:16-17:40

2 stops30h 24m

London Heathrow

Sun 25/1

17:00-00:20

2 stops36h 20m

£458

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sat 24/1

05:30-07:50

1 stop21h 20m

London Heathrow

Sat 31/1

12:30-22:27

1 stop14h 57m

£462

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 25/1

14:35-10:15

1 stop14h 40m

London Heathrow

Sun 1/2

11:45-00:20

2 stops17h 35m

£470

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 13/3

06:25-06:20

1 stop19h 55m

London Heathrow

Mon 16/3

10:00-00:10

2 stops18h 10m

£470

PortlandLondon

PWM - LCY

PWMLCY

Portland

Sat 24/1

14:35-13:15

2 stops17h 40m

London City

Sat 31/1

10:00-23:59

2 stops18h 59m

£488

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 1/5

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 13/5

11:55-23:36

1 stop16h 41m

£500

PortlandLondon

PWM - LGW

PWMLGW

Portland

Fri 23/1

09:47-10:00

1 stop19h 13m

London Gatwick

Fri 30/1

14:00-10:22

1 stop25h 22m

£509

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 10/5

06:00-20:45

1 stop9h 45m

London Heathrow

Sat 16/5

11:55-23:36

1 stop16h 41m

£515

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 22 results
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Best time to book a flight from Portland to England

Have a flexible travel schedule? Discover the best time to fly to England from Portland 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 Portland to England

What is the cheapest month to book a flight from Portland, Maine to England?

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to England (average of £140). Flying from Portland, Maine to England in December is currently the most expensive (average of £356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to England. 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 Portland to England?

    Most people fly from Portland (PWM) if they book a flight from Portland to England. Portland is conveniently located just 2.9 mi from Portland’s city center.

  • How long is the flight from Portland, Maine to England?

    For as low as £449, Delta can have you in England from Portland, Maine in 13h 45m. Portland, Maine and England are separated by a distance of 3173 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Portland, Maine to England?

    Most travelers choose Portland - London Heathrow, Portland - London Gatwick or Portland - London City when deciding on the best route from Portland, Maine to England.

  • Can I find deals for flights from Portland to England that include hotel bookings?

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

  • How can I find direct flights from Portland to England?

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

  • Can I find deals for business class flights from Portland to England?

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

  • What is the cheapest month to book a flight from Portland, Maine to England?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to England (average of £140). Flying from Portland, Maine to England in December is currently the most expensive (average of £356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights from Portland to England?

Deals for Portland to England flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Portland to England?

Millions of users choose and trust Cheapflights to book the best flight deals from Portland to England for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portland to England with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to England with no change fees.

Can Cheapflights notify me if prices for flights from Portland to England become cheaper?

Yes, Cheapflights offers price alerts on Portland to England flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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