Find flights
When to book
FAQs

Cheap flights from Portland, Maine to England from £293

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
28 Nov — 5 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 29 October 2025.

Tue 11/1113:25PWM - LHR
1 stop12h 00mDelta
Tue 18/1106:20LHR - PWM
2 stops22h 34mDelta
Deal found 27/10£445
Sun 9/1106:00PWM - LHR
1 stop19h 20mDelta
Tue 18/1111:45LHR - PWM
2 stops17h 09mDelta
Deal found 28/10£446
Mon 10/1114:30PWM - LHR
2 stops15h 20mDelta
Tue 18/1110:00LHR - PWM
2 stops18h 19mDelta
Deal found 28/10£449
Wed 26/1106:00PWM - LHR
1 stop19h 35mAmerican Airlines
Wed 3/1207:50LHR - PWM
2 stops15h 25mAmerican Airlines
Deal found 27/10£464
Tue 11/1106:00PWM - LHR
2 stops24h 20mAir Canada
Tue 18/1113:25LHR - PWM
2 stops33h 23mAir Canada
Deal found 28/10£466
Tue 11/1114:20PWM - LHR
2 stops13h 05mUnited Airlines
Tue 18/1106:35LHR - PWM
2 stops17h 24mUnited Airlines
Deal found 27/10£468
Tue 25/1114:30PWM - LHR
2 stops13h 30mDelta
Tue 2/1211:30LHR - PWM
2 stops17h 29mDelta
Deal found 28/10£469
Sun 9/1106:00PWM - LHR
2 stops22h 20mAir Canada
Tue 18/1109:00LHR - PWM
2 stops37h 48mAir Canada
Deal found 27/10£470
Fri 7/1119:46PWM - LHR
2 stops56h 34mAir Canada
Tue 18/1109:00LHR - PWM
2 stops37h 48mAir Canada
Deal found 28/10£474
Wed 26/1106:00PWM - LHR
2 stops22h 20mAir Canada
Wed 3/1218:00LHR - PWM
2 stops34h 09mAir Canada
Deal found 27/10£476
Wed 26/1119:22PWM - LCY
2 stops17h 18mMultiple Airlines
Wed 3/1217:40LCY - PWM
2 stops30h 14mMultiple Airlines
Deal found 27/10£536
Tue 25/1114:30PWM - LCY
2 stops13h 20mDelta
Tue 2/1208:40LCY - PWM
2 stops20h 19mDelta
Deal found 28/10£612

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 29 October 2025.

Round-trip from

£445

One-way from

£293

Popular in

June

Cheapest in

October

Average price

£479
Delta
  • Delta
  • 11/11-18/11
  • 3 total stops
  • 34h 34m total
  • Portland to England
Search Deals
Air Canada
  • Air Canada
  • 29/11
  • 2 total stops
  • 33h 35m total
  • Portland to England
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 29 October 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

Tue 11/11

12:48-08:45

1 stop14h 57m

London Heathrow

Tue 18/11

11:45-23:54

2 stops17h 09m

£446

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 9/11

06:35-06:55

1 stop19h 20m

London Heathrow

Tue 18/11

08:40-23:19

2 stops19h 39m

£446

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 12/11

11:25-06:55

1 stop14h 30m

London Heathrow

Tue 18/11

10:00-23:19

2 stops18h 19m

£446

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 10/11

06:35-06:20

1 stop18h 45m

London Heathrow

Tue 18/11

08:40-23:54

2 stops20h 14m

£446

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 11/11

13:25-07:50

1 stop13h 25m

London Heathrow

Tue 18/11

14:30-23:54

1 stop14h 24m

£450

PortlandLondon

PWM - LCY

PWMLCY

Portland

Wed 26/11

19:22-17:40

2 stops17h 18m

London City

Wed 3/12

17:40-18:54

2 stops30h 14m

£536

PortlandManchester

PWM - MAN

PWMMAN

Portland

Fri 27/3

09:34-10:20

2 stops20h 46m

Manchester

Tue 31/3

06:05-19:24

2 stops18h 19m

£584

PortlandLondon

PWM - LCY

PWMLCY

Portland

Tue 25/11

14:30-08:50

2 stops13h 20m

London City

Tue 2/12

08:40-23:59

2 stops20h 19m

£612

PortlandLondon

PWM - LCY

PWMLCY

Portland

Mon 24/11

15:20-17:05

2 stops20h 45m

London City

Mon 1/12

09:50-23:59

2 stops19h 09m

£620

PortlandLondon

PWM - LGW

PWMLGW

Portland

Tue 14/4

14:20-15:35

2 stops20h 15m

London Gatwick

Tue 28/4

14:00-10:22

1 stop25h 22m

£635

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 42 results
1
2
3
...
5

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 £234). Flying from Portland, Maine to England in July is currently the most expensive (average of £355). 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 £446, Delta can have you in England from Portland, Maine in 14h 57m. 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 cheapest airlines to fly from Portland, Maine to England one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as £293. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Portland, Maine to England for a low price.

  • 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 £234). Flying from Portland, Maine to England in July is currently the most expensive (average of £355). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to England

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Heathrow flights
Boston to Gatwick flights
Boston to London City flights
Boston to Stansted flights
Boston to Luton flights
Boston to Edinburgh flights
Boston to Glasgow Intl flights
Boston to Southend flights
Boston to Manchester flights
Boston to Birmingham flights
Boston to Southampton flights
Boston to Belfast City flights
Boston to Belfast Intl flights
Boston to Liverpool flights
Portland to Heathrow flights
Boston to Leeds flights
Bangor to Heathrow flights
Boston to Cardiff flights
Boston to Newcastle upon Tyne flights
Boston to Inverness flights
Boston to Bristol flights
Portland to Manchester flights
Boston to Aberdeen flights
Boston to East Midlands flights
Boston to Kirkwall flights
Boston to Doncaster flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to England?

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.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.