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Most popular airline for this trip
British Airways
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Average flight duration between Watford and Seattle
10h 57m
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Popular airlines who fly from Watford to Seattle
British Airways, Icelandair, Delta Air Lines, United Airlines
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Average deal for this trip
USD 798.93 (USD)
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Currency exchange rate
£1.00(GBP) = USD 1.36(USD)
USD
CAD - English 
CAD - Francais