Cheap flights from London Heathrow Airport to Portland from £439
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Portland departing on 15/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Virgin Atlantic flights from London Heathrow Airport to Portland, Maine
Our best Virgin Atlantic deals on London Heathrow Airport to Portland, Maine flight tickets
Delta flights from London Heathrow Airport to Portland, Maine
Our best Delta deals on London Heathrow Airport to Portland, Maine flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to Portland, Maine
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London Heathrow Airport and Portland, Maine?
What is the cheapest month to fly to Portland, Maine?
The cheapest month to fly to Portland, Maine from London Heathrow Airport is in February. Flight prices, which tend to average around £517, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Portland, Maine, with average flight prices from London Heathrow Airport averaging around £533.
What is the cheapest day to depart on your flight to Portland, Maine?
According to our data, Monday is the cheapest day to fly to Portland, Maine from London Heathrow Airport. The lowest ticket price found for a Monday departure recently was £640. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Portland, Maine on Friday is £781.
What is the cheapest airline that flies from London Heathrow to Portland?
JetBlue and Scandinavian Airlines are the most popular carriers operating from London Heathrow to Portland
Which airlines fly to Portland, Maine?
British Airways, Virgin Atlantic and Finnair are the top three most popular airlines that fly to Portland, Maine from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Portland, Maine. Keep in mind that there are 17 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.
When to book flights from London Heathrow Airport to Portland, Maine
Cheap London Heathrow Airport to Portland, Maine (LHR to PWM) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Portland, Maine
Best price found | £516 |
|---|---|
Fastest flight time | 11h 25m |
Direct flights | None |
Airports in Portland, Maine | 1 airport |
How far is London Heathrow to Portland by plane?
A flight from London Heathrow to Portland will travel around 3170.3 mi. Flights usually cover this in 13h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to Portland Airport?
Prices for flights from London Heathrow Airport to Portland Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Portland Airport?
As of May 2025, there are 6 operators available to choose from for flights from London Heathrow Airport to Portland Airport.
How old do you have to be to fly from London Heathrow Airport to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London Heathrow Airport to Portland, Maine?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Portland, Maine is Finnair, representing 32% of all bookings. The subsequent popular airlines are United Airlines at 21%, JetBlue at 19%, and KLM at 10%.
Best airlines flying from London Heathrow Airport to Portland, Maine
Compare and see reviews for airlines that fly from London Heathrow Airport to Portland, Maine with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £386 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom £401 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom £472 | Free Cancellation | Rating 7.4 643 reviews | |||
| PriceFrom £481 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom £485 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom £537 | Free Cancellation | Rating 7.4 8,696 reviews |
Travelling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Portland?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from London.
Can I find flights from London to Portland with flexible booking policies on momondo?
All flight searches from London to Portland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Portland?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Portland.
I’m not ready to book a flight from London to Portland right now. Can momondo alert me if prices change?
Price alerts on flights to Portland from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.