Cheap flights from London to Oregon from £333

The month of November is another great option to travel to Oregon, with average flight prices from London averaging around £728.

Our data shows that Tuesday is the least expensive day to fly to Oregon. Tickets to fly out on this day can be as low as £786. Flights from London to Oregon on a Monday will generally be more expensive and average around £861. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Oregon is at midday. Flights from London to Oregon during this time can be as low as £764. In the afternoon is when there is more demand to fly to Oregon, so prices are often more expensive at around £843 per ticket.

Fly from London Heathrow to Portland for the best London - Oregon flight prices

You are more likely to see cheaper flights to Oregon from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around £805 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from London for as low as £723 on momondo.

There are 3 cabin classes available to choose from on London to Oregon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Alaska Airlines, and Air New Zealand are the most popular carriers operating from London to Oregon

British Airways, Icelandair and American Airlines are the top three most popular airlines that fly to Oregon from London 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 Oregon. Keep in mind that there are 9 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

The number of flights available between London and Oregon is 2 per day as of October 2026. The most frequent departure time is 14:00, with 100% of daily flights leaving in the afternoon.

The number of flights available between London and Oregon is 14 per week as of October 2026. The most frequent departure day is Wed, with 50% of weekly flights leaving on this day.