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Cheap flights from Portland, Maine to England from £242

PWM — LHR
28 Oct — 4 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 16/1115:41 -
2 stops14h 34m
Wed 18/1109:00 -
2 stops43h 21m
Deal found 23/9£555
Mon 23/1115:41 -
2 stops34h 29m
Thu 26/1106:50 -
2 stops17h 12m
Deal found 26/9£564
Fri 9/1016:15 -
1 stop14h 50m
Wed 14/1008:40 -
2 stops20h 30m
Deal found 24/9£594
Tue 6/1016:15 -
1 stop14h 50m
Sun 11/1015:50 -
1 stop13h 20m
Deal found 23/9£599
Sat 7/1114:33 -
1 stop12h 32m
Sat 14/1111:15 -
2 stops18h 04m
Deal found 23/9£624

Find flight deals from Portland to England

Round-trip from

£555

One-way from

£242

Popular in

July

Cheapest in

February

Average price

£566
United Airlines
  • United Airlines
  • 16/11-18/11
  • 4 total stops
  • 57h 55m total
  • Portland to England
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JetBlue
  • JetBlue
  • 10/10-31/12
  • 1 total stop
  • 9h 45m total
  • Portland to England
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£104 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 September 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.

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Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 11/10

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 10/10

06:00-21:00

2 stops34h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 15/11

06:00-06:35

1 stop19h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Wed 11/11

12:13-07:00

2 stops13h 47m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 15/11

06:00-07:05

2 stops20h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 20/3

16:50-07:45

1 stop10h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 3/10

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Fri 9/10

18:54-20:40

1 stop20h 46m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 18/10

06:00-06:30

2 stops19h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 3/10

16:45-13:05

2 stops15h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 23 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 £556, Delta can have you in England from Portland, Maine in 12h 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 City or Portland - London Gatwick 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.

See more FAQs

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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.

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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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