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Cheap flights from Pennsylvania to London

PHL — LON
1 Apr — 8 Apr1
1 adult

Best time to book a flight from Pennsylvania to London

Have a flexible travel schedule? Discover the best time to fly to London from Pennsylvania with our price prediction graph.
Estimated return price
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Everything you need to know about your flight from Pennsylvania to London

Rainfall in London by month

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Temperature in London by month

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Travelling to a place near Pennsylvania?

Book flights to Pennsylvania if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall
Dartford
Folkestone

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Alternative routes for Pennsylvania to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Pennsylvania to London

Discover the top 4 airlines that operate flights from Pennsylvania to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£452Average£602FlexibilityNo cancel feeOn-time77%
Search Iberia flights
JetBlueCheapest£470Average£545FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£475Average£592FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£511Average£591FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
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