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Cheap flights from Portland, Maine to England from £253

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 November 2025.

Wed 12/1106:35PWM - LHR
1 stop20h 30mDelta
Wed 19/1108:55LHR - PWM
2 stops19h 59mDelta
Deal found 11/11£448
Mon 8/1216:53PWM - LHR
1 stop10h 52mDelta
Mon 15/1211:45LHR - PWM
2 stops17h 14mDelta
Deal found 10/11£451
Wed 12/1113:25PWM - LHR
1 stop13h 25mKLM
Wed 19/1112:30LHR - PWM
1 stop14h 49mKLM
Deal found 11/11£454
Tue 11/1119:44PWM - LHR
1 stop10h 21mUnited Airlines
Tue 18/1106:50LHR - PWM
2 stops15h 58mUnited Airlines
Deal found 11/11£470
Wed 12/1114:20PWM - LHR
2 stops13h 05mUnited Airlines
Wed 19/1111:10LHR - PWM
2 stops17h 07mUnited Airlines
Deal found 11/11£472
Wed 12/1110:45PWM - LHR
2 stops14h 55mUnited Airlines
Tue 18/1106:50LHR - PWM
2 stops15h 58mUnited Airlines
Deal found 11/11£473
Thu 11/1206:08PWM - LHR
2 stops19h 57mDelta
Thu 18/1210:45LHR - PWM
1 stop16h 38mDelta
Deal found 10/11£475
Wed 12/1114:30PWM - LHR
1 stop14h 45mDelta
Mon 17/1109:00LHR - PWM
2 stops19h 54mDelta
Deal found 10/11£486
Wed 12/1116:53PWM - LHR
1 stop10h 52mKLM
Mon 17/1110:45LHR - PWM
1 stop16h 34mKLM
Deal found 10/11£491
Wed 12/1110:45PWM - LHR
2 stops22h 20mAustrian Airlines
Mon 17/1119:25LHR - PWM
2 stops27h 23mAustrian Airlines
Deal found 11/11£502
Fri 14/1110:45PWM - LHR
2 stops17h 35mUnited Airlines
Thu 20/1111:10LHR - PWM
2 stops17h 07mUnited Airlines
Deal found 10/11£506
Fri 14/1106:35PWM - LCY
2 stops20h 35mDelta
Tue 18/1107:45LCY - PWM
2 stops19h 34mDelta
Deal found 10/11£528

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 12 November 2025.

Round-trip from

£451

One-way from

£253

Popular in

June

Cheapest in

October

Average price

£646
Delta
  • Delta
  • 8/12-15/12
  • 3 total stops
  • 28h 06m total
  • Portland to England
Search Deals
1/12
  • 1/12
  • 3 total stops
  • 33h 25m total
  • Portland to England
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£107 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 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

Mon 8/12

16:53-08:45

1 stop10h 52m

London Heathrow

Mon 15/12

11:45-23:59

2 stops17h 14m

£451

PortlandLondon

PWM - LHR

PWMLHR

Portland

Thu 11/12

06:08-07:05

2 stops19h 57m

London Heathrow

Thu 18/12

10:45-22:23

1 stop16h 38m

£475

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 29/4

06:00-09:30

1 stop22h 30m

London Heathrow

Thu 7/5

08:15-23:36

1 stop20h 21m

£495

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 10/5

14:18-09:30

1 stop14h 12m

London Heathrow

Sat 16/5

08:15-23:36

1 stop20h 21m

£549

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sat 6/12

19:46-09:10

1 stop32h 24m

London Heathrow

Fri 26/12

13:25-18:27

2 stops34h 02m

£550

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 29/4

06:00-06:30

1 stop19h 30m

London Heathrow

Thu 7/5

08:40-23:59

2 stops20h 19m

£584

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 8/12

14:34-14:35

3 stops19h 01m

London Heathrow

Mon 15/12

06:40-23:59

2 stops22h 19m

£586

PortlandLondon

PWM - LCY

PWMLCY

Portland

Sun 1/3

15:05-12:55

2 stops16h 50m

London City

Tue 31/3

19:20-19:01

2 stops28h 41m

£613

PortlandManchester

PWM - MAN

PWMMAN

Portland

Fri 27/3

16:25-12:20

2 stops15h 55m

Manchester

Tue 31/3

10:35-22:58

2 stops17h 23m

£620

PortlandLondon

PWM - LGW

PWMLGW

Portland

Wed 29/4

14:18-16:20

2 stops21h 02m

London Gatwick

Thu 7/5

07:00-23:36

2 stops21h 36m

£622

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 28 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, August is the cheapest month in which you can book a flight from Portland, Maine to England (average of £236). Flying from Portland, Maine to England in July is currently the most expensive (average of £359). 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 £451, Delta can have you in England from Portland, Maine in 10h 52m. 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 - Edinburgh Turnhouse 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, August is the cheapest month in which you can book a flight from Portland, Maine to England (average of £236). Flying from Portland, Maine to England in July is currently the most expensive (average of £359). 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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How does Cheapflights help users find flights from Portland to England?

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

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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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