£472 Find Cheap Flights from London Heathrow Airport to Portland – Compare and Save

Your flight ticket price will generally be cheaper if you fly to Portland on a Friday and more expensive on a Monday. On your return trip to London Heathrow Airport, you should consider flying back on a Monday, and avoid Wednesdays for better deals.

The cheapest month for flights from London Heathrow Airport to Portland is February, where tickets cost £586 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is £948 and £936 respectively.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 2 stops stopover the cheapest option at £805 on average.

To get a below average price on the flight from London Heathrow Airport to Portland, you should book around 3 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

In the past 5 days, the cheapest return tickets from London Heathrow Airport to Portland were found on Scandinavian Airlines (£611) and Icelandair (£623).

There are 4 airlines that fly direct from London Heathrow Airport to Portland. They are: Aer Lingus, American Airlines, British Airways and Finnair. The cheapest price of all airlines flying this route was found with American Airlines at £535 for a return flight. On average, the best prices for this route can be found at British Airways.

Weekly flights between London and Portland historically see delays in approximately 21% of cases, with the average delay over the past year being 129 minutes.

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Friday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Based on our data, British Airways have experienced the fewest delays on this route in the past 12 months, with only about 21% of their flights encountering any delays.

Reykjavik (KEF) is the top choice – 51% of KAYAK users who clicked on one-stop flights from London Heathrow Airport to Portland picked an itinerary connecting there.

Flights via Vancouver (YVR) offer the most affordable fares, with an average price of £490 for a return.

Consider flying via Vancouver (YVR) for the shortest journey. The average one-way travel time for flights connecting there is 12h 36m.

If you prefer a quick connection, Denver (DEN) often has the shortest stopovers from London Heathrow Airport to Portland, with an average time of 1h 17m.

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

There is a maximum of 1 direct flight a day that takes off from London Heathrow Airport and lands in Portland, with an average flight time of 10h 00m. The most common departure time is 15:00 and most flights take off in the afternoon. Each week, there are 7 flights.