Cheapest one-way
£ 155.63
Frontier Airlines · 1 stop · 5 hr 31 min
One-way tickets on LAX–SEA recently started around £ 155.63.
Flights from Los Angeles to Seattle
BookingTrolley tracks the Los Angeles to Seattle route (LAX–SEA), where tickets recently opened at £ 310.47. See how prices shift by airline, stops and season below.
Los Angeles to Seattle flights overview
The fastest nonstop Los Angeles to Seattle flights cover about 1,537 km in roughly 2 hr 43 min. BookingTrolley found 3 airlines currently compete on the LAX–SEA corridor, with Frontier Airlines posting one of the lowest fares at £ 310.47. 2 of them offer nonstop options, which save layover time but can cost more than connecting itineraries.
On the latest Los Angeles to Seattle searches, the cheapest ticket BookingTrolley recorded was £ 310.47. Across the months we have sampled, the typical round-trip fare averages about £ 320.74. Nov tends to be the cheapest month to fly (around £ 267.02), while Jun is usually the most expensive at about £ 397.37 — a swing of roughly 49%.
Frequently asked questions about flying from Los Angeles to Seattle
According to BookingTrolley fare data on the Los Angeles to Seattle route (LAX–SEA), round-trip tickets started at £ 310.47. Prices are shown in USD for comparison; United Kingdom travellers should confirm the final checkout currency on BookingTrolley.
A nonstop flight from Los Angeles to Seattle takes about 2 hr 43 min in the air on the fastest outbound leg, based on BookingTrolley itinerary data from recent searches. Connecting flights add layover time and can extend total travel to a full day or more.
Recent BookingTrolley comparisons list Frontier Airlines (from £ 310.47), Alaska Airlines (from £ 432.92), American Airlines (from £ 503.23) among the lowest fares on Los Angeles to Seattle. Carrier availability changes with season and sales.
Mid-week departures and shoulder seasons usually cost less. According to BookingTrolley fare data on the Los Angeles to Seattle route (LAX–SEA), round-trip tickets started at £ 310.47. BookingTrolley helps United Kingdom travellers spot dips before peak travel.
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Explore fares from Los Angeles, into Seattle, and on related corridors with BookingTrolley.
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