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Cheap Flights from Portland to London $552.46

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Cheapest Flights from Portland to London (PWM to LHR)

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

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

Question : Should you take that vacation to London in the next 30 days?
Answer : February 10th offers bookings (as of January 16th) that are 53% below the average price for this route. Saving now means you'll have more cash in hand for the trip.

Question : Do travelers from Portland typically stay in London for very long?
Answer : Over the next two months, passengers from PWM to LHR are planning on staying for 10 days on average.

Question : Would you be willing to change your travel days if it saved you money?
Answer : The lowest-cost day to fly in February is Thursday. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : Who's offering the cheapest round-trip flight to London Heathrow Airport (LHR) over the coming months?
Answer : KLM is offering its passengers the cheapest flights over the next three months.