Currently, the most affordable month to book a Iberia flight from London Heathrow Airport to Philadelphia in March, with an average price of £629. Conversely, traveling with Iberia from London Heathrow Airport to Philadelphia in July will be the most expensive, with an average cost of £748. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£511
February
£514
March
£495
April
£513
May
£533
June
£572
July
£589
August
£568
September
£518
October
£528
November
£503
December
£527
PHL Temperature | 1 - 26 °C |
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If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).
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