Find flights
When to book
Airlines
FAQs

Cheap flights from London to Portland from £556

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
8 Oct — 15 Oct1
1 adult

Cheap flight deals from London to Portland

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 October 2024.

Round-trip from

£559

One-way from

£556

Popular in

December

Cheapest in

February
Delta
  • Delta
  • 11/12-9/1
  • 3 total stops
  • 39h 24m total
  • London to Portland
8/11
  • 8/11
  • 3 total stops
  • 48h 50m total
  • London to Portland
High demand for flights, 22% potential price rise
Best time to find cheap flights, 19% potential price drop

London to Portland 2024 flight deals

Discover exclusive flight deals for travel between London and Portland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 951,753 searches. Data last updated 3 October 2024.
Wed 11/1210:00LHR - PWM
2 stops18h 59mDelta
Thu 9/105:30PWM - LHR
1 stop20h 25mDelta
Deal found 2/10£559
Tue 10/1213:10LHR - PWM
1 stop14h 36mMultiple Airlines
Thu 9/116:00PWM - LHR
1 stop9h 35mMultiple Airlines
Deal found 2/10£560
Tue 10/1213:10LHR - PWM
1 stop14h 36mAmerican Airlines
Thu 9/114:31PWM - LHR
2 stops12h 19mAmerican Airlines
Deal found 2/10£570
Thu 12/1217:00LHR - PWM
2 stops35h 59mScandinavian Airlines
Thu 9/114:35PWM - LHR
2 stops22h 05mScandinavian Airlines
Deal found 2/10£667
Thu 12/1212:20LHR - PWM
1 stop15h 52mKLM
Wed 8/114:35PWM - LHR
1 stop12h 20mKLM
Deal found 2/10£694
Tue 10/1210:00LHR - PWM
1 stop13h 46mAustrian Airlines
Wed 8/111:35PWM - LHR
1 stop28h 00mAustrian Airlines
Deal found 2/10£1,109

One-way flights to Portland from London

Search for one-way flight options from London to Portland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 951,753 searches. Data last updated 3 October 2024.
Fri 8/1120:45LHR - PWM
3 stops48h 50mMultiple Airlines
Deal found 2/10£556
Fri 8/1119:30LHR - PWM
2 stops33h 56mScandinavian Airlines
Deal found 2/10£706
Fri 8/1112:20LHR - PWM
1 stop16h 00mVirgin Atlantic
Deal found 2/10£2,190

Find flights from London to Portland within your budget

Customise your flight search to find flights from London to Portland 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 951,753 searches. Data last updated 3 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£559 - £1,109

Route

Depart

Return

Price

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 11/12

2 stops18h 59m

Portland

Thu 9/1

1 stop20h 25m

£559

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 10/12

1 stop14h 36m

Portland

Thu 9/1

1 stop9h 35m

£560

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 10/12

1 stop14h 36m

Portland

Thu 9/1

2 stops12h 19m

£570

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 12/12

2 stops35h 59m

Portland

Thu 9/1

2 stops22h 05m

£667

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 12/12

1 stop15h 52m

Portland

Wed 8/1

1 stop12h 20m

£694

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 10/12

1 stop13h 46m

Portland

Wed 8/1

1 stop28h 00m

£1,109

Flights are sorted by cheapest first

Deals found on 2/10

Best time to book a flight from London to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from London 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.

Travel insights for flights from London to Portland

Get recent, data-driven insights about flights from London to Portland including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to Portland, Maine?

Use this chart to determine the optimal time to book a return flight from London to Portland. Price data was last updated on 27 September 2024.

The price you pay for your flight from London to Portland, Maine may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from London to Portland, Maine (average of £186). Flying from London to Portland, Maine in July is currently the most expensive (average of £395). 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.

What is the cheapest time of day to fly from LON to PWM?

Find hourly flight availability from London to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 October 2024.

It’s typically best to fly out from London to Portland, Maine in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 73.0 - 115.0 inches per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Portland, Maine when rainfall is around 73.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 3 October 2024.
8.0
Very Good
9,007 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

8.0
Very Good
9,007 reviews
8.0
Very Good
9,007 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

7.8
Good
1,358 reviews
8.0
Very Good
9,007 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

7.7
Good
857 reviews
8.0
Very Good
9,007 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

7.6
Good
679 reviews
8.0
Very Good
9,007 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

7.3
Good
1,305 reviews
8.0
Very Good
9,007 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from London to Portland. 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 into for flights to Portland from London?

    If you book a flight to Portland from London, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland. There are 0 flights from London to Portland per day from 4 different airlines.

  • What are the cheapest airlines flying from London to Portland, Maine round-trip?

    Currently priced at £559, Delta will fly you from London to Portland, Maine and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Scandinavian Airlines - these airlines can fly you to your destination from £570 and £667, respectively. Delta is 14% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from London to Portland that include hotel bookings?

    Yes. In addition to deals on London to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Portland.

  • Can I find deals for business class flights from London to Portland?

    Yes. Cheapflights offers flight deals from London to Portland 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 London to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from London to Portland, Maine (average of £186). Flying from London to Portland, Maine in July is currently the most expensive (average of £395). 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.

Top 4 airlines flying from London to Portland

Discover the top 4 airlines that operate flights from London to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 951,753 searches. Data last updated 3 October 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£460Average£730FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£484Average£628FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£513Average£880FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£517Average£546FlexibilityNo cancel feeOn-time75%
Search KLM 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 London to Portland?

When you search for this flight from London to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Portland from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Portland with no change fees?

Need flexible booking options for your flight to Portland from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Portland become cheaper?

Of course! You can now track prices for flights from London to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price 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.