Cheapest one-way
$ 197.00
Frontier Airlines · 1 stop
One-way tickets on LAX–SEA recently started around $ 197.00.
Flights from Los Angeles to Seattle
Recent BookingTrolley searches found Los Angeles to Seattle fares from $ 393.00 — compare live LAX–SEA prices, airlines and durations below.
Los Angeles to Seattle flights overview
LAX and SEA sit roughly 1,537 km apart, so total travel time depends on whether you fly nonstop or connect. BookingTrolley found 3 airlines currently compete on the LAX–SEA corridor, with Frontier Airlines posting one of the lowest fares at $ 393.00. 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 $ 393.00. Across the months we have sampled, the typical round-trip fare averages about $ 466.00. Oct tends to be the cheapest month to fly (around $ 393.00), while Jun is usually the most expensive at about $ 585.00 — a swing of roughly 49%.
Frequently asked questions about flying from Los Angeles to Seattle
Tuesday and Wednesday are typically the cheapest days to fly from Los Angeles to Seattle. According to BookingTrolley fare data on the Los Angeles to Seattle route (LAX–SEA), round-trip tickets started at $ 393.00. United States travellers often save by shifting 3–4 days around their preferred date on BookingTrolley.
The cheapest airlines on Los Angeles to Seattle are Frontier Airlines (from $ 393.00), Alaska Airlines (from $ 548.00), American Airlines (from $ 637.00), according to BookingTrolley's multi-provider comparison priced for the United States market currency when available.
The cheapest flights from Los Angeles to Seattle started at $ 393.00 round trip with one stop on Frontier Airlines, per BookingTrolley data relevant to United States shoppers. Fares fluctuate with demand.
Flight time from Los Angeles to Seattle depends on the airline and on whether the itinerary is nonstop or connecting. BookingTrolley shows a duration only when it is calculated from observed departure and arrival times.
Shoulder season around peak holidays often pairs softer airfares with lighter crowds. According to BookingTrolley fare data on the Los Angeles to Seattle route (LAX–SEA), round-trip tickets started at $ 393.00. BookingTrolley suggests booking 4–8 weeks ahead for routes like Los Angeles to Seattle.
Use BookingTrolley's flexible-date comparison for Los Angeles (LAX) to Seattle (SEA) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United States travellers to cut the ticket price.
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Explore fares from Los Angeles, into Seattle, and on related corridors with BookingTrolley.
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