Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 67% on the overall cost on flights from Portland to London.
To save up to 38% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portland to London from $813 1-2 weeks out and tickets from $886 for flights departing within the next 72 hours.
February is one of the best times of the year to fly to London from Portland. Prices for February average $634 per person but you can even find prices for as low as $394. The most expensive prices can be found in the month of June. Opting for a February flight can save you 66% on your journey compared to booking in February
When flying from Portland to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight in the morning.