SEA - LON Price
|
$487 - $787
|
LON Temperature
|
48.2 - 73.4 °F
|
LON Rainfall
|
1.4 - 2.8 inches
|
Popular in December High demand for flights, 27% potential price rise |
Cheapest in October Best time to find cheap flights, 15% potential price drop |
Round-trip from $487 From Seattle to London |
One-way from $380 One-way flight from Seattle to London |
Monday is generally a great day to depart. Flying on this day could help you save up to 18%.
To save on the cost of your flight from Seattle to London, book at least 61 days before your planned departure. Booking around this time can save you about 44% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $910 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,146.
October is one of the best times of the year to fly to London from Seattle. Prices for October average $714 per person but you can even find prices for as low as $445. The most expensive prices can be found in the month of July. Opting for a October flight can save you 31% on your journey compared to booking in October
Unlike in the evening, when flights are generally more expensive, you can save up to 9% on flights from Seattle to London by exploring options for tickets in the morning.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
---|---|---|---|---|---|---|
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$414 | $583 | No cancel fee | 77% | ||
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$378 | $592 | No cancel fee | 76% | ||
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$415 | $609 | No cancel fee | 75% | ||
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$373 | $633 | No cancel fee | 67% | ||
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$377 | $635 | No cancel fee | N/A | ||
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$407 | $642 | No cancel fee | 69% | ||
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$403 | $697 | No cancel fee | 74% | ||
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$415 | $735 | No cancel fee | 71% | ||
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$335 | $853 | No cancel fee | 76% | ||
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$438 | $877 | No cancel fee | 78% |
Afternoon Noon to 6 PM | 100% of SEA to LON departures |
Early morning Midnight to 6 AM | 0% of SEA to LON departures |
Morning 6 AM to noon | 0% of SEA to LON departures |
Evening 6 PM to midnight | 0% of SEA to LON departures |