Portland → London flights

Portland (PWM)→London (LCY, LGW, LHR, LTN, SEN, STN)

from€783

Last observed price · Last checked: 24 Aug 2026 · Price may change

Short answer

The lowest fare our own searches returned is €783, seen on 24 Aug 2026. September 2026 is the cheapest month in our observations, at €783. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Selected search

Last checked: 24 Aug 2026 · Price may change

€783

Wed 9 Sep 2026 → Sun 13 Sep 2026

JetBlue1 stop4 nights

Cheapest

Last checked: 24 Aug 2026 · Price may change

€783 lowest8h 16m fastest

Options found on this date

JEJetBlue06:00 · 1 stop€783

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Tickets found in the last 7 days

The lowest fares our queries caught, cheapest first.

JE€783Cheapest9 Sep 2026 → 13 Sep 2026JetBlue · 1 stop · 06:00Last checked: 24 Aug 2026 · Price may change4 nightsView ticket →UA€78826 Aug 2026 → 30 Aug 2026United Airlines · 2 stops · 06:00Last checked: 24 Aug 2026 · Price may change4 nightsView ticket →

Starting prices by month

The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.

Observed priceLowest monthno price observedLast checked: 24 Aug 2026

Portland → LondonWed 9 Sep 2026 · €783

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Route facts

Cheapest month

September 2026

€783

Typical duration

8h 16m

5130 km

Alternative airports

LGW, LHR, LTN, SEN, STN

Frequently asked

Are there direct flights from Portland to London?+

Our data holds no non-stop flight from Portland to London. The fares on this page include at least one stop.

How much is a flight from Portland to London?+

The lowest fare we have observed is €783, found on 24 Aug 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Portland to London?+

In our observations September 2026 is the cheapest month so far, at €783.

More routes from Portland

Portland → Toronto€604

Last checked: 24 Aug 2026