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.

American Airlines
Mon, 15 Sep. - Tue, 23 Sep.
LHR
London
PWM
Portland
AU$1,082 Return, found 23 hours ago
AU$1,082
Return
found 23 hours ago
Select American Airlines flight, departing Mon, 15 Sep. from London to Portland, returning Tue, 23 Sep., priced at AU$1,082 found 23 hours ago
Virgin Atlantic
Mon, 15 Sep. - Tue, 23 Sep.
LHR
London
PWM
Portland
AU$1,082 Return, found 23 hours ago
AU$1,082
Return
found 23 hours ago
Select Virgin Atlantic flight, departing Mon, 15 Sep. from London to Portland, returning Tue, 23 Sep., priced at AU$1,082 found 23 hours ago
Delta
Mon, 15 Sep. - Tue, 23 Sep.
LHR
London
PWM
Portland
AU$1,082 Return, found 23 hours ago
AU$1,082
Return
found 23 hours ago
Select Delta flight, departing Mon, 15 Sep. from London to Portland, returning Tue, 23 Sep., priced at AU$1,082 found 23 hours ago
British Airways
Mon, 15 Sep. - Tue, 23 Sep.
LHR
London
PWM
Portland
AU$1,135 Return, found 23 hours ago
AU$1,135
Return
found 23 hours ago
Select British Airways flight, departing Mon, 15 Sep. from London to Portland, returning Tue, 23 Sep., priced at AU$1,135 found 23 hours ago
Finnair
Mon, 15 Sep. - Tue, 23 Sep.
LHR
London
PWM
Portland
AU$1,136 Return, found 23 hours ago
AU$1,136
Return
found 23 hours ago
Select Finnair flight, departing Mon, 15 Sep. from London to Portland, returning Tue, 23 Sep., priced at AU$1,136 found 23 hours ago
KLM
Mon, 15 Sep. - Tue, 23 Sep.
LHR
London
PWM
Portland
AU$1,165 Return, found 23 hours ago
AU$1,165
Return
found 23 hours ago
Select KLM flight, departing Mon, 15 Sep. from London to Portland, returning Tue, 23 Sep., priced at AU$1,165 found 23 hours ago
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