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Cheap flights from Portland, Maine to England from £242

PWM — LHR
2 Nov — 9 Nov1
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

Mon 16/1105:35 -
2 stops23h 30m
Wed 18/1109:00 -
2 stops43h 21m
Deal found 28/9£555
Mon 9/1108:49 -
2 stops41h 21m
Thu 12/1106:50 -
2 stops21h 31m
Deal found 30/9£559
Sun 1/1117:08 -
1 stop33h 47m
Wed 4/1106:50 -
2 stops21h 31m
Deal found 1/10£560
Wed 11/1115:40 -
2 stops34h 30m
Sat 14/1106:50 -
2 stops17h 12m
Deal found 2/10£563
Wed 21/1006:00 -
1 stop9h 45m
Sat 7/1112:20 -
1 stop16h 23m
Deal found 28/9£641
Mon 16/1116:03 -
1 stop13h 27m
Mon 23/1108:40 -
2 stops20h 39m
Deal found 2/10£646
Wed 21/1006:00 -
2 stops19h 30m
Sat 7/1112:20 -
1 stop16h 23m
Deal found 28/9£647
Wed 11/1105:50 -
2 stops19h 40m
Sun 15/1112:20 -
1 stop16h 23m
Deal found 28/9£650

Find flight deals from Portland to England

Round-trip from

£555

One-way from

£242

Popular in

July

Cheapest in

February

Average price

£709
United Airlines
  • United Airlines
  • 16/11-18/11
  • 4 total stops
  • 66h 51m total
  • Portland to England
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JetBlue
  • JetBlue
  • 23/10-31/12
  • 1 total stop
  • 9h 45m total
  • Portland to England
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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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

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Fri 23/10

06:00-05:55

2 stops18h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249
Fastest return journey

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Fri 23/10

08:03-06:30

3 stops17h 27m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£314

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 16/11

14:05-10:50

1 stop15h 45m

London Heathrow

Wed 18/11

09:00-23:21

2 stops19h 21m

£556

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Wed 11/11

17:08-07:55

1 stop33h 47m

London Heathrow

Sat 14/11

06:50-09:00

2 stops31h 10m

£560

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 1/11

19:35-06:40

1 stop30h 05m

London Heathrow

Sun 8/11

12:05-23:21

2 stops16h 16m

£656

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Wed 11/11

12:45-09:25

2 stops15h 40m

London Heathrow

Sun 15/11

08:40-00:19

2 stops20h 39m

£656

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Thu 12/11

16:03-10:30

2 stops13h 27m

London Heathrow

Thu 19/11

10:00-00:19

2 stops19h 19m

£656

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Wed 14/10

16:15-08:50

1 stop11h 35m

London Heathrow

Tue 27/10

08:40-23:18

2 stops18h 38m

£660

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 13/2

12:50-09:25

2 stops15h 35m

London Heathrow

Sun 21/2

08:40-23:49

2 stops20h 09m

£666

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Sorted by cheapest first

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 £556, United Airlines can have you in England from Portland, Maine in 15h 45m. Portland, Maine and England are separated by a distance of 3173 mi.

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

    Most travelers choose Portland - London Heathrow, Portland - London Gatwick or Portland - Manchester 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.

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

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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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