The cheapest times to fly from LHR to PDX are

  • January 8th to March 25th
  • April 23rd to July 1st (except the week of June 18th)
  • October 29th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LHR to PDX is mid May. Prices can be as high as $1504 for Saturday flights during early August, or as low as $380 for Tuesday flights around mid May.


When to Fly to Portland

Flying from London (LHR) to Portland, OR (PDX) will usually cost between $457 to $1132 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $452. Due to high demand the most expensive time to fly is early August, with an average price of $1300. Planning your trip to low-cost times can easily save you $848 on economy flights and even more on first-class flights. Generally, any price below $590 can be considered a good price for a round-trip LHR to PDX flight.

See below for a graph of average weekly prices for the LHR to PDX route. All prices are for round-trip tickets in USD.

LHR to PDX Flight Prices

Compared to other flights, the LHR to PDX flight is cheaper than the average and costs less than the average flight leaving from London. The average price per mile (for a direct flight) is $0.07, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $111 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $623. Return trip prices are from the PDX to LHR flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LHR to PDX can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 9 hour 48 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from LHR to PDX while comparing.

Destination alternative #1: Seattle/Tacoma International Airport (SEA) in Seattle, WA

  • 129 miles (208 km) away from PDX
  • Usually 17.97% less expensive than PDX
  • Nonstop flights available

See LHR to SEA flights


Flight Hacking LHR to PDX

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LHR to PDX — but Champion Traveler does!

Hack #1: Dublin (LHR > DUB > PDX)

  • Price for both tickets: $580
  • Average savings: $10 (1.69%)

See LHR to flights


Flight Questions Answered

Still have questions about flying from LHR to PDX? We’ve got answers.

Which airlines fly this route?

You can find 29 major airlines flying this route most often: Aer Lingus, Aeromexico, Air Canada, Air France, Air New Zealand, Alaska, Alitalia, American, Austrian, British Airways, Brussels Airlines, Condor, Delta, Finnair, Frontier, Iberia, Icelandair, JetBlue, KLM, LOT, Lufthansa, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, WestJet, and potentially more during busy seasons.

How far away is it from Portland International Airport to London Heathrow Airport?

The distance between the two airports is roughly 4899 miles or 7884 kilometers.

How long does it take to fly from LHR to PDX?

The real-world flight time for a nonstop LHR to PDX flight is about 9 hour 48 minutes.

How many flights go between London and Portland, OR?

It depends on the day of the week and the date, but a typical day might have around 61 available flights from LHR to PDX.


Airport Location Info


Departing Airport

Origination code LHR
Origination airport name London Heathrow Airport
City London
Country the United Kingdom
Latitude 51.5
Longitude -0.5

Return Airport

Destination code PDX
Destination airport name Portland International Airport
City Portland, OR
Country the United States
Latitude 45.6
Longitude -122.6


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.