Cheap flights from London to Casco Bay Islands

View AU$1,614 flight on Tue, 20 Jan. 2026Opens in a new window

Popular airlines from London to Casco Bay Islands

  • American Airlines

    American Airlines

  • Air France

    Air France

  • Delta

    Delta

  • KLM

    KLM

  • United

    United

  • Virgin Atlantic

    Virgin Atlantic

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Cheap Flights from London (LON) to Casco Bay Islands (PWM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 7 Aug. - Mon, 11 Aug.
LHR
London
PWM
Portland
AU$1,312 Return, found 1 day ago
AU$1,312
Return
found 1 day ago
Select Delta flight, departing Thu, 7 Aug. from London to Portland, returning Mon, 11 Aug., priced at AU$1,312 found 1 day ago
Virgin Atlantic
Thu, 7 Aug. - Mon, 11 Aug.
LHR
London
PWM
Portland
AU$1,312 Return, found 1 day ago
AU$1,312
Return
found 1 day ago
Select Virgin Atlantic flight, departing Thu, 7 Aug. from London to Portland, returning Mon, 11 Aug., priced at AU$1,312 found 1 day ago
Virgin Atlantic
Thu, 7 Aug. - Mon, 11 Aug.
LHR
London
PWM
Portland
AU$1,312 Return, found 1 day ago
AU$1,312
Return
found 1 day ago
Select Virgin Atlantic flight, departing Thu, 7 Aug. from London to Portland, returning Mon, 11 Aug., priced at AU$1,312 found 1 day ago
American Airlines
Thu, 7 Aug. - Mon, 11 Aug.
LHR
London
PWM
Portland
AU$1,365 Return, found 1 day ago
AU$1,365
Return
found 1 day ago
Select American Airlines flight, departing Thu, 7 Aug. from London to Portland, returning Mon, 11 Aug., priced at AU$1,365 found 1 day ago
KLM
Thu, 7 Aug. - Mon, 11 Aug.
LHR
London
PWM
Portland
AU$1,394 Return, found 1 day ago
AU$1,394
Return
found 1 day ago
Select KLM flight, departing Thu, 7 Aug. from London to Portland, returning Mon, 11 Aug., priced at AU$1,394 found 1 day ago
Air France
Thu, 7 Aug. - Mon, 11 Aug.
LHR
London
PWM
Portland
AU$1,437 Return, found 1 day ago
AU$1,437
Return
found 1 day ago
Select Air France flight, departing Thu, 7 Aug. from London to Portland, returning Mon, 11 Aug., priced at AU$1,437 found 1 day ago
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