Cheap flights from London to Southwest Pennsylvania

View AU$1,037 flight on Mon, 15 Sep. 2025Opens in a new window

Popular airlines from London to Southwest Pennsylvania

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Air France

    Air France

  • Finnair

    Finnair

  • British Airways

    British Airways

  • Delta

    Delta

  • Aer Lingus

    Aer Lingus

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Cheap Flights from London (LON) to Southwest Pennsylvania (PIT)

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.

Air Canada
Mon, 15 Sep. - Wed, 1 Oct.
LHR
London
PIT
Pittsburgh
AU$1,043 Return, found 1 day ago
AU$1,043
Return
found 1 day ago
Select Air Canada flight, departing Mon, 15 Sep. from London to Pittsburgh, returning Wed, 1 Oct., priced at AU$1,043 found 1 day ago
United
Mon, 15 Sep. - Tue, 30 Sep.
LHR
London
PIT
Pittsburgh
AU$1,072 Return, found 6 days ago
AU$1,072
Return
found 6 days ago
Select United flight, departing Mon, 15 Sep. from London to Pittsburgh, returning Tue, 30 Sep., priced at AU$1,072 found 6 days ago
American Airlines
Mon, 15 Sep. - Wed, 1 Oct.
LHR
London
PIT
Pittsburgh
AU$1,079 Return, found 1 day ago
AU$1,079
Return
found 1 day ago
Select American Airlines flight, departing Mon, 15 Sep. from London to Pittsburgh, returning Wed, 1 Oct., priced at AU$1,079 found 1 day ago
American Airlines
Mon, 15 Sep. - Tue, 30 Sep.
LHR
London
PIT
Pittsburgh
AU$1,088 Return, found 6 days ago
AU$1,088
Return
found 6 days ago
Select American Airlines flight, departing Mon, 15 Sep. from London to Pittsburgh, returning Tue, 30 Sep., priced at AU$1,088 found 6 days ago
Virgin Atlantic
Mon, 15 Sep. - Tue, 30 Sep.
LHR
London
PIT
Pittsburgh
AU$1,097 Return, found 6 days ago
AU$1,097
Return
found 6 days ago
Select Virgin Atlantic flight, departing Mon, 15 Sep. from London to Pittsburgh, returning Tue, 30 Sep., priced at AU$1,097 found 6 days ago
Delta
Mon, 15 Sep. - Tue, 30 Sep.
LHR
London
PIT
Pittsburgh
AU$1,097 Return, found 6 days ago
AU$1,097
Return
found 6 days ago
Select Delta flight, departing Mon, 15 Sep. from London to Pittsburgh, returning Tue, 30 Sep., priced at AU$1,097 found 6 days ago
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