Cheapest one-way
A$ 299.44
Frontier Airlines · 1 stop · 5 hr 31 min
One-way tickets on LAX–SEA recently started around A$ 299.44.
Flights from Los Angeles to Seattle
BookingTrolley tracks the Los Angeles to Seattle route (LAX–SEA), where tickets recently opened at A$ 597.36. 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 A$ 597.36. 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 A$ 597.36. Across the months we have sampled, the typical round-trip fare averages about A$ 617.12. Nov tends to be the cheapest month to fly (around A$ 513.76), while Jun is usually the most expensive at about A$ 764.56 — 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 A$ 597.36. Prices are shown in USD for comparison; Australia 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 A$ 597.36), Alaska Airlines (from A$ 832.96), American Airlines (from A$ 968.24) 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 A$ 597.36. BookingTrolley helps Australia 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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