Portland (PDX) to London Heathrow (LHR) cheap flight deal from $514 USD in economy class – flightdeals.net

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Icelandair

Round Trip•Economy

Portland International Airport

Portland, United States

London Heathrow Airport

London Heathrow, United Kingdom

$947 USD

-46%$514 USD

Verified Sep 19, 2025 at 3:48 PM

September 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19$1,198 20$1,198 21$1,061 22$748 23 24$710 25$1,052 26$727 27$997 28$627 29$531 30$1,048 1$620 2$670 3$1,257 4$524 5$1,221

Fair Availability

22% of dates checked are available within 10% of the lowest price

Tuesday, September 30th, 2025

4 round-trip options

Returning

Sun, Oct 5, 2025•5 Day Trip

$1,489 USD

Returning

Mon, Oct 6, 2025•6 Day Trip

$1,146 USD

Returning

Tue, Oct 7, 2025•7 Day Trip

$1,048 USD

Returning

Wed, Oct 8, 2025•8 Day Trip

$1,194 USD