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Cheap flights from Portland, Maine to England from £470

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
14 dic. — 21 dic.1
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 14 noviembre 2025.

mar. 11/1119:44PWM - LHR
1 stop10h 21mUnited Airlines
mar. 18/1106:50LHR - PWM
2 stops15h 58mUnited Airlines
Deal found 11/11£470
mié. 12/1110:45PWM - LHR
2 stops14h 55mUnited Airlines
mar. 18/1106:50LHR - PWM
2 stops15h 58mUnited Airlines
Deal found 11/11£473
mié. 12/1116:53PWM - LHR
1 stop10h 52mKLM
lun. 17/1110:10LHR - PWM
1 stop18h 44mKLM
Deal found 11/11£492
mié. 12/1110:45PWM - LHR
2 stops22h 20mAustrian Airlines
lun. 17/1119:25LHR - PWM
2 stops27h 23mAustrian Airlines
Deal found 11/11£502
mar. 11/1119:44PWM - LHR
1 stop10h 21mUnited Airlines
lun. 17/1106:50LHR - PWM
2 stops15h 58mUnited Airlines
Deal found 11/11£508
mié. 12/1110:45PWM - LHR
2 stops17h 35mAir Canada
dom. 16/1113:25LHR - PWM
2 stops38h 52mAir Canada
Deal found 11/11£512
mar. 11/1119:44PWM - LHR
2 stops43h 51mAir Canada
mar. 18/1113:25LHR - PWM
2 stops38h 52mAir Canada
Deal found 11/11£516
jue. 13/1116:53PWM - LHR
1 stop10h 52mKLM
lun. 17/1110:45LHR - PWM
1 stop16h 34mKLM
Deal found 11/11£530
vie. 14/1106:35PWM - LCY
2 stops20h 35mDelta
mar. 18/1110:00LCY - PWM
2 stops18h 54mDelta
Deal found 12/11£534
vie. 14/1110:45PWM - LHR
2 stops22h 20mAustrian Airlines
lun. 17/1109:05LHR - PWM
2 stops37h 43mAustrian Airlines
Deal found 11/11£540
jue. 13/1115:20PWM - LHR
2 stops37h 00mAir Canada
dom. 16/1112:00LHR - PWM
2 stops30h 36mAir Canada
Deal found 11/11£541
jue. 13/1119:44PWM - LHR
1 stop10h 21mUnited Airlines
dom. 16/1112:05LHR - PWM
2 stops16h 12mUnited Airlines
Deal found 11/11£546

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 14 noviembre 2025.

Round-trip from

£496

Popular in

June

Cheapest in

October

Average price

£646
JetBlue
  • JetBlue
  • 1/5-10/5
  • 2 total stops
  • 42h 51m 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 14 noviembre 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

vie. 1/5

06:00-09:30

1 stop22h 30m

London Heathrow

dom. 10/5

08:15-23:36

1 stop20h 21m

£496

PortlandLondon

PWM - LHR

PWMLHR

Portland

dom. 10/5

06:00-20:45

1 stop9h 45m

London Heathrow

sáb. 16/5

11:55-23:36

1 stop16h 41m

£528

PortlandLondon

PWM - LHR

PWMLHR

Portland

jue. 11/12

06:00-05:55

2 stops18h 55m

London Heathrow

vie. 19/12

16:20-09:44

1 stop22h 24m

£530

PortlandLondon

PWM - LHR

PWMLHR

Portland

sáb. 2/5

06:00-20:45

1 stop9h 45m

London Heathrow

dom. 10/5

11:55-23:36

1 stop16h 41m

£530

PortlandLondon

PWM - LHR

PWMLHR

Portland

vie. 1/5

06:00-20:45

1 stop9h 45m

London Heathrow

sáb. 9/5

11:55-23:36

1 stop16h 41m

£542

PortlandLondon

PWM - LHR

PWMLHR

Portland

sáb. 2/5

06:00-20:45

1 stop9h 45m

London Heathrow

sáb. 9/5

11:55-23:36

1 stop16h 41m

£552

PortlandLondon

PWM - LHR

PWMLHR

Portland

jue. 30/4

06:00-20:45

1 stop9h 45m

London Heathrow

lun. 11/5

11:55-23:36

1 stop16h 41m

£558

PortlandLondon

PWM - LHR

PWMLHR

Portland

vie. 1/5

06:00-20:45

1 stop9h 45m

London Heathrow

lun. 11/5

11:55-23:36

1 stop16h 41m

£558

PortlandLondon

PWM - LHR

PWMLHR

Portland

sáb. 2/5

06:00-20:45

1 stop9h 45m

London Heathrow

lun. 11/5

11:55-23:36

1 stop16h 41m

£568

PortlandLondon

PWM - LHR

PWMLHR

Portland

sáb. 2/5

06:30-09:35

2 stops22h 05m

London Heathrow

lun. 11/5

07:05-23:59

2 stops21h 54m

£609

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 30 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 £530, JetBlue can have you in England from Portland, Maine in 18h 55m. 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.

  • 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?

Millions of users choose and trust Cheapflights to book the best flight deals from Portland to England for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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