Cheap flights from Portland, Maine to England from £247

PWM — LHR
9 Dec — 16 Dec1
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

Thu 12/1106:30 -
1 stop10h 10m
Wed 18/1112:20 -
1 stop16h 23m
Deal found 5/11£633
Tue 1/1206:00 -
2 stops34h 00m
Wed 9/1209:00 -
2 stops41h 12m
Deal found 9/11£638
Tue 1/1212:49 -
1 stop13h 56m
Wed 9/1211:45 -
2 stops17h 36m
Deal found 9/11£645
Thu 12/1105:50 -
1 stop9h 45m
Wed 18/1109:00 -
2 stops19h 21m
Deal found 5/11£655
Sat 5/1206:00 -
1 stop19h 20m
Sat 12/1212:05 -
2 stops16h 19m
Deal found 7/11£656
Fri 4/1216:00 -
1 stop10h 15m
Fri 11/1210:00 -
2 stops18h 52m
Deal found 6/11£657
Sun 15/1105:50 -
2 stops20h 20m
Thu 19/1109:00 -
2 stops19h 21m
Deal found 8/11£659
Tue 17/1114:05 -
2 stops14h 05m
Mon 23/1112:05 -
2 stops16h 16m
Deal found 8/11£660
Thu 12/1108:49 -
2 stops31h 11m
Wed 18/1113:00 -
2 stops39h 21m
Deal found 5/11£663
Tue 8/1206:00 -
1 stop10h 20m
Fri 11/1213:00 -
2 stops35h 25m
Deal found 6/11£664
Sun 15/1109:46 -
2 stops16h 24m
Thu 19/1109:00 -
3 stops19h 21m
Deal found 8/11£665

Find flight deals from Portland to England

Round-trip from

£571

One-way from

£247

Popular in

July

Cheapest in

February

Average price

£647
United Airlines
  • United Airlines
  • 23/2-25/2
  • 3 total stops
  • 35h 46m total
  • Portland to England
United Airlines
  • United Airlines
  • 31/3-31/12
  • 1 total stop
  • 10h 25m total
  • Portland to England
Highest demand for flights based on searches. 15% potential increase in price (£90 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portland to England that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Wed 31/3

06:00-21:25

1 stop10h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£247

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Wed 10/3

06:00-06:25

1 stop19h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£250

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 23/11

14:05-09:00

1 stop13h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£260

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 23/11

05:30-05:55

2 stops19h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£260

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Fri 27/11

08:49-06:30

3 stops16h 41m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£264

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 17/11

08:49-06:40

2 stops16h 51m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£308

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 23/2

15:14-10:25

1 stop14h 11m

London Heathrow

Thu 25/2

06:50-23:25

2 stops21h 35m

£571

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 6/12

16:00-08:05

1 stop11h 05m

London Heathrow

Sun 13/12

08:40-00:21

2 stops20h 41m

£657

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Fri 4/12

12:49-10:30

2 stops16h 41m

London Heathrow

Fri 11/12

08:40-00:21

2 stops20h 41m

£660

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 8/12

06:00-21:20

1 stop10h 20m

London Heathrow

Fri 11/12

13:00-19:25

2 stops35h 25m

£664

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 15 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from Portland to England

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

Related info for your journey

  • 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 £657, United Airlines can have you in England from Portland, Maine in 11h 05m. 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?

  • 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.

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