Cheap flights from Portland (PDX) to London (LON) from $251

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

To save on the cost of your flight from Portland to London, book at least 22 days before your planned departure. Booking around this time can save you about 54% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,101 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,168.

February can be a great time to fly to London from Portland with a flight ticket averaging about $985. Cheapflights users have found deals in the month of February for as cheap as $621. The most expensive prices can be found in the month of July.

Unlike at noon, when flights are generally more expensive, you can save up to 16% on flights from Portland to London by exploring options for tickets in the morning.

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 2 outbound flights to London per day. 14 airlines have flights to London from Portland on a regular basis.

Yes, there are multiple flights from Portland to London for under $600. The cheapest flight booked recently is on Icelandair for just $586, but on average you can expect to pay $689.

Cheapflights has at least 20 direct flights from Portland to London under $800. A good price for a nonstop flight from Portland to London is less than $790.

There are currently 20+ open flights from Portland to London within the next 7 days for less than $700.

Cheapflights users have booked flights from Portland to London round-trip from $586. Other airlines that can offer you cheap pricing are Air France, from $708, and Air Canada, from $726. You may be able to fly from Portland to London for 40% less than the average price by searching for these airlines.

The cheapest airlines for a one-way flight from Portland to London are WestJet ($414), Air Canada ($453), and Icelandair ($491).

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

When booking a flight from Portland to London, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

The top 3 most reliable airlines when flying from Portland to London are American Airlines (44%), Aer Lingus (44%) and Finnair (44%).

The cheapest flight price from Portland to London is $555. On average you can expect to pay $1,856. The most popular route, (Portland - London Heathrow), can usually be booked for $587.

PDX stands for Portland Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London City Airport (LCY), London Stansted Airport (STN), London Luton Airport (LTN), London Southend Airport (SEN).

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

Seattle Waterfront, Pike Place Market, and Space Needle are the most popular attractions in Seattle if you're in need of something to do during your layover. Travelers on a layover in Seattle can visit Seattle Waterfront, Pike Place Market, and Space Needle, by traveling 10.9 mi, 11.2 mi, and 12.0 mi, respectively after landing at Seattle/Tacoma Intl. Travelers can book a car rental at Seattle/Tacoma Intl for about $47 per day to make their sightseeing more efficient.

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

Deals for Portland to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to London.

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to London, users can toggle the no change fees filter when performing a flight search.

Of course! You can now track prices for flights from Portland to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.