Cheap flights from Portland, Maine to England from £267

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portland to England

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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 7 November 2025.

Sat 8/1113:27PWM - LHR
1 stop11h 58mDelta
Sat 15/1108:55LHR - PWM
2 stops19h 59mDelta
Deal found 6/11£526
Sat 8/1114:38PWM - LHR
1 stop12h 27mKLM
Sat 15/1112:40LHR - PWM
1 stop16h 14mKLM
Deal found 6/11£532
Fri 7/1114:38PWM - LCY
2 stops13h 52mDelta
Tue 11/1108:40LCY - PWM
2 stops44h 14mDelta
Deal found 4/11£620
Sat 8/1114:20PWM - LCY
2 stops17h 25mMultiple Airlines
Sat 15/1112:10LCY - PWM
2 stops40h 49mMultiple Airlines
Deal found 6/11£649
Wed 26/1106:35PWM - EDI
2 stops21h 05mDelta
Mon 1/1213:30EDI - PWM
2 stops15h 24mDelta
Deal found 5/11£765
Tue 25/1109:45PWM - LHR
1 stop15h 10mUnited Airlines
Sun 30/1118:00LHR - PWM
2 stops34h 17mUnited Airlines
Deal found 6/11£882
Fri 7/1114:38PWM - LCY
2 stops12h 32mKLM
Tue 11/1118:55LCY - PWM
2 stops33h 59mKLM
Deal found 6/11£974
Tue 25/1106:00PWM - LHR
2 stops20h 10mAir Canada
Sun 30/1113:25LHR - PWM
2 stops33h 33mAir Canada
Deal found 6/11£1,022
Tue 25/1110:45PWM - LHR
1 stop28h 50mAustrian Airlines
Sun 30/1109:05LHR - PWM
2 stops37h 53mAustrian Airlines
Deal found 6/11£1,035
Sat 20/1210:19PWM - LHR
2 stops20h 01mUnited Airlines
Sat 27/1216:20LHR - PWM
1 stop22h 24mUnited Airlines
Deal found 5/11£1,052
Tue 25/1115:20PWM - LHR
2 stops15h 00mMultiple Airlines
Sun 30/1118:00LHR - PWM
3 stops24h 36mMultiple Airlines
Deal found 6/11£1,125
Sat 20/1207:17PWM - LHR
1 stop20h 58mMultiple Airlines
Sat 27/1210:15LHR - PWM
1 stop17h 39mMultiple Airlines
Deal found 5/11£1,146

Cheap flight deals from Portland to England

Keep the following information in mind while searching for Portland to England flight deals. Data was last updated 7 November 2025.

Round-trip from

£554

One-way from

£267

Popular in

June

Cheapest in

October

Average price

£603
United Airlines
  • United Airlines
  • 18/3-25/3
  • 4 total stops
  • 33h 26m total
  • Portland to England
JetBlue
  • JetBlue
  • 19/4
  • 1 total stop
  • 14h 10m total
  • Portland to England
Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in November 2025

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 7 November 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

Wed 18/3

11:17-09:20

2 stops18h 03m

London Heathrow

Wed 25/3

06:50-18:13

2 stops15h 23m

£554

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 18/3

14:35-10:15

1 stop15h 40m

London Heathrow

Wed 25/3

12:10-21:59

1 stop13h 49m

£576

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 18/3

11:17-09:20

3 stops18h 03m

London Heathrow

Wed 25/3

12:00-23:11

2 stops15h 11m

£580

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 18/3

11:17-09:20

3 stops18h 03m

London Heathrow

Wed 25/3

18:00-10:48

3 stops20h 48m

£586

PortlandManchester

PWM - MAN

PWMMAN

Portland

Fri 27/3

14:35-10:10

2 stops15h 35m

Manchester

Tue 31/3

06:00-23:49

2 stops22h 49m

£639

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 20/4

14:20-09:30

1 stop14h 10m

London Heathrow

Sun 26/4

11:55-13:23

1 stop30h 28m

£649

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 20/4

14:35-10:30

2 stops14h 55m

London Heathrow

Sun 26/4

12:55-23:59

1 stop16h 04m

£654

PortlandManchester

PWM - MAN

PWMMAN

Portland

Fri 27/3

14:30-10:20

2 stops15h 50m

Manchester

Tue 31/3

07:00-19:24

2 stops17h 24m

£660

PortlandManchester

PWM - MAN

PWMMAN

Portland

Fri 27/3

06:30-20:00

2 stops33h 30m

Manchester

Tue 31/3

11:10-16:15

2 stops34h 05m

£677

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sat 18/4

11:17-10:00

2 stops17h 43m

London Heathrow

Sat 25/4

14:05-18:20

2 stops33h 15m

£684

Flights are sorted by cheapest return flights first.

Deals found on 6/11

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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, August is the cheapest month in which you can book a flight from Portland, Maine to England (average of £238). Flying from Portland, Maine to England in July is currently the most expensive (average of £361). 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.

How much does it cost for a return flight from Portland, Maine to England?

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 £576, United Airlines can have you in England from Portland, Maine in 15h 40m. 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 cheapest airlines to fly from Portland, Maine to England one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £267. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Portland, Maine to England for a low price.

  • What are the most popular routes 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, August is the cheapest month in which you can book a flight from Portland, Maine to England (average of £238). Flying from Portland, Maine to England in July is currently the most expensive (average of £361). 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.

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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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