Currently, the most affordable month to book a Virgin Atlantic flight from London Heathrow Airport to Seattle in December, with an average price of £594. Conversely, traveling with Virgin Atlantic from London Heathrow Airport to Seattle in July will be the most expensive, with an average cost of £802. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£489
February
£481
March
£507
April
£521
May
£556
June
£613
July
£642
August
£611
September
£548
October
£526
November
£481
December
£475
SEA Temperature | 5 - 19 °C |
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If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).
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