$275+ Cheap flights from Portland (PDX) to London (LON)

For a flight from Portland to London, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 3 outbound flights to London per day. 13 airlines have flights to London from Portland on a regular basis.

Icelandair, KLM, and Scandinavian Airlines can get you from Portland to London in just under 12h 10m. Your travel time can differ by up to 8h 30m. There are 4921 mi between Portland and London. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

Cheapflights users have booked flights from Portland to London round-trip from $493. Other airlines that can offer you cheap pricing are Delta, from $554, and KLM, from $561. You may be able to fly from Portland to London for 39% less than the average price by searching for these airlines.

The cheapest airlines for a one-way flight from Portland to London are Icelandair ($339), Air Canada ($381), and United Airlines ($424).

The most popular flight routes from Portland to London are Portland - London Heathrow, Portland - London Gatwick and Portland - London City.

The top 3 most reliable airlines when flying from Portland to London are American Airlines (82%), Alaska Airlines (82%) and Aer Lingus (82%).

The cheapest flight price from Portland to London is $436. On average you can expect to pay $1,425. The most popular route, (Portland - London Heathrow), can usually be booked for $479.

Portland to London flights have a layover in Reykjavik most often.

Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Travelers on a layover in Reykjavik can visit Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool, by traveling 23.3 mi, 23.2 mi, and 24.6 mi, respectively after landing at Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $48 per day to make their sightseeing more efficient.

Portland to London flights that have layovers will least frequently stop in Seattle.

Yes. In addition to deals on Portland to London flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to London.

Yes. Cheapflights offers flight deals from Portland to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, October is the cheapest month in which you can book a flight from Portland to London (average of $525). Flying from Portland to London in June is currently the most expensive (average of $808). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.