$408 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 Wednesday and more expensive on a Sunday. On your return trip to London Heathrow Airport, you should consider flying back on a Monday, and avoid Saturdays for better deals.

The cheapest month for flights from London Heathrow Airport to Portland is November, where tickets cost $753 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $1,302 and $1,203 respectively.

No, with an average price for the route of $1,182, prices are generally cheapest when you fly direct.

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 29% 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 round-trip tickets from London Heathrow Airport to Portland were found on United Airlines ($874) and Air Canada ($883).

There is just one airline that flies from London Heathrow Airport to Portland direct and that is British Airways. The best round-trip deal found from British Airways for the route is $715.

Weekly flights between London and Portland historically see delays in approximately 22% of cases, with the average delay over the past year being 124 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 22% of their flights encountering any delays.

Reykjavik (KEF) is the top choice – 38% of KAYAK users who clicked on 1-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 round-trip price of $831.

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, Chicago (ORD) often has the shortest layovers from London Heathrow Airport to Portland, with an average of 1h 08m.

There are 2 cabin class options for the route. These are 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 nonstop 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 3:00 pm and most flights take off in the afternoon. Each week, there are 7 flights.