Cheap flights from London to Portland

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Portland (PWM)
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How to find the cheapest flight from
London (LON) to Portland (PWM)

All the information you need to plan the best LON to PWM flight in 2022: compare London to Portland flight prices with the expected peak season, weather and rainfall in Portland.
LON - PWM
Price
£696 - £1,434
PWM
Temperature
-5 - 20 °C
PWM
Rainfall
73 - 115 mm

Popular in

December

High demand for flights, 38% potential price rise

Cheapest in

March

Best time to find cheap flights, 22% potential price drop

Average price

£767

Average for round-trip flights in August 2022

Round-trip from

£570

From London (LON) to Portland

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from London to Portland, Maine?

The best pricing can be found in the month of February. Prices to Portland, Maine from London average £493. You can even find prices in February for less than £493, as users have found deals to Portland, Maine from as low as £346. The month of July appears to be one of the more expensive times to travel to Portland, Maine from London. Flying in the targeted month can save you up to 23%.

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

Travelers have found it’s best to book a flight 61 days in advance to save up to 29% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Portland, Maine 1-2 weeks in advance for as low as £573, or £613 for flights within the next 24 hours.

When is the cheapest time to fly from London to Portland, Maine (LON - PWM)?

It’s typically best to fly out from London to Portland, Maine in the morning. Doing so could potentially save you 5% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly round-trip from London to Portland, Maine?

Thursday flights are generally found to be more expensive for flights from London to Portland, Maine. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Portland, Maine.

Cheap flights from London to Portland in August, September 2022

The best prices found for LON to PWM flights in August, September
9 Sep - 16 Sep
£660pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
PWM
Portland
PWM
Portland
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
8 Sep - 15 Sep
£675pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PWM
Portland
PWM
Portland
Multiple Airlines
 
1 STOP
LHR
London Heathrow
8 Sep - 15 Sep
£682pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
PWM
Portland
PWM
Portland
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow

London to Portland 2022 flight deals

Cheap flights to Portland from London found for this year
19 Oct - 24 Oct
£634pp
LHR
London Heathrow
KLM
   
2 STOPS
PWM
Portland
PWM
Portland
KLM
 
1 STOP
LHR
London Heathrow
19 Oct - 24 Oct
£650pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PWM
Portland
PWM
Portland
Multiple Airlines
 
1 STOP
LHR
London Heathrow
19 Oct - 23 Oct
£654pp
LHR
London Heathrow
KLM
   
2 STOPS
PWM
Portland
PWM
Portland
KLM
 
1 STOP
LHR
London Heathrow

Cheap KLM flights from London to Portland

19 Oct - 24 Oct
£634pp
LHR
London Heathrow
KLM
   
2 STOPS
PWM
Portland
PWM
Portland
KLM
 
1 STOP
LHR
London Heathrow
19 Oct - 23 Oct
£654pp
LHR
London Heathrow
KLM
   
2 STOPS
PWM
Portland
PWM
Portland
KLM
 
1 STOP
LHR
London Heathrow
19 Oct - 23 Oct
£664pp
LHR
London Heathrow
KLM
   
2 STOPS
PWM
Portland
PWM
Portland
KLM
 
1 STOP
LHR
London Heathrow

Cheap Virgin Atlantic flights from London to Portland

9 Sep - 16 Sep
£660pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
PWM
Portland
PWM
Portland
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
9 Sep - 16 Sep
£705pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
PWM
Portland
PWM
Portland
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow

Last-minute flights from London to Portland

Late deals on return flights to Portland from London, departing today and this week
19 Aug - 30 Aug
£812pp
LHR
London Heathrow
Finnair
 
1 STOP
PWM
Portland
PWM
Portland
Finnair
   
2 STOPS
LHR
London Heathrow
22 Aug - 28 Oct
£833pp
LHR
London Heathrow
United Airlines
 
1 STOP
PWM
Portland
PWM
Portland
United Airlines
   
2 STOPS
LHR
London Heathrow
22 Aug - 28 Oct
£837pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PWM
Portland
PWM
Portland
United Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Portland from London

The cheapest one-way flights from London to Portland
04:00 - 05:16
TAP AIR PORTUGAL
2 stops
30h 16m
LHR - PWM
TAP AIR PORTUGAL
£1,392
05:30 - 19:20
Air Canada
3 stops
18h 50m
LHR - PWM
Air Canada
£1,497
Air Canada
14:00 - 12:51
Austrian Airlines
1 stop
27h 51m
LHR - PWM
Austrian Airlines
£1,647
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Portland</span> flights.

Flight FAQs

From London to Portland

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 2 different airlines.

Which airlines flying from London to Portland have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London to Portland that may be offering flexible cancellation policies are Finnair and Virgin Atlantic. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from London to Portland, Maine for under £700 on Cheapflights?

Yes, there are multiple flights from London to Portland, Maine for under £700. The cheapest flight booked recently is on KLM for just £634, but on average you can expect to pay £716.

Are there last-minute flights available from London to Portland, Maine for under £900?

There are currently 20+ open flights from London to Portland, Maine within the next 7 days for less than £900.

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

Currently priced at £634, KLM will fly you from London to Portland, Maine and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Delta - these airlines can fly you to your destination from £660 and £663, respectively. KLM is 13% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from London to Portland, Maine one-way?

The cheapest airlines for a one-way flight from London to Portland, Maine are TAP AIR PORTUGAL (£1,392), Austrian Airlines (£1,480), and Air Canada (£1,482).

What are the most popular airlines that fly from London to Portland, Maine?

Finnair, KLM and Virgin Atlantic are the most popular airlines when flying from London to Portland, Maine.

What are the cheapest flights from London to Portland, Maine?

Looking for the cheapest flight from London to Portland, Maine? While on average our users pay £1,096, our data indicates the cheapest price to be £910. The most popular route (London Heathrow - Portland), is priced around £660.

COVID Restrictions

View COVID Travel Restrictions for Portland, ME

Do I need a COVID test to fly to Portland from London?

Information is based on travel restrictions from London to Portland

Most visitors from London need to provide a negative COVID-19 test result and/or quarantine to enter Portland.

COVID-19 testing requirements
Visitors from London are not required to present a negative COVID-19 PCR test or antigen result upon entering Portland.

Quarantine requirements
Visitors from London are not required to quarantine after entering Portland.

Do I need a test to fly back to London from Portland?

Returning to London from Portland

COVID-19 testing requirements
Visitors from Portland are not required to present a negative COVID-19 PCR test or antigen result upon entering London.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering London.

Hide COVID Travel Restrictions for Portland, ME
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