Skip to main content
Beginning of main content

PWM (Portland) to LHR (London) Flights $713.49

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap PWM to LHR Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

London

$2773.86

$725.73

$758.11

Southend-on-Sea

$4355.86

Interesting Facts About Flights from Portland to London (PWM to LHR)

Question : In the next four weeks, what day should you book your trip?
Answer : Since low prices are preferred, look at Aug 1st. As of Jul 24th, it's showing the cheapest ticket sales at $893. That is 53% below the average price for this route, so you can spend that extra cash on a fun experience in London.

Question : How much should a trip from Portland (PWM) to London (LHR) cost?
Answer : Prices for this trip tend to fluctuate much more than other flights from the United States. They can vary anywhere from $719 to $3,811. Remember, you can save by booking further in advance.

Question : Who's offering the cheapest round-trip flight to London Heathrow Airport (LHR) over the coming months?
Answer : American Airlines is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $719 and, when compared to the high-end bookings of $3,811, it's quite a deal.

Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Wednesday. Being flexible with your travel days garners even more savings during booking.

Question : When flying into London, is London Heathrow Airport your cheapest option?
Answer : London City Airport (LCY) is just 22 miles away and on average, flights are 41% cheaper for the coming two months. Save a few bucks and put it towards your next trip.

Question : How many days should you spend in London?
Answer : The average time spent in London by passengers from Portland is two weeks.