Cheap Flights from Los Angeles to Seattle from AU$ 46

Flight FAQs

• Which airlines offer the cheapest flights from Los Angeles to Seattle?

  Based on Trip.com data, Frontier Airlines offers Cheapest nonstop one-way flights from AU$ 46 (for example, LAX–SEA on Sat, Nov 7). For a Cheapest nonstop return flight, Frontier Airlines offers fares from AU$ 92, departing on Wed, Oct 14 and returning on Tue, Oct 20.

• Which airlines offer direct flights from Los Angeles to Seattle?

  At the moment, you can catch a direct flight from Los Angeles to Seattle with the following airlines, including: Alaska Airlines Frontier Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flights from Los Angeles (LAX) to Seattle (SEA)?

  It takes about 2 hours 53 minutes to fly from Los Angeles (LAX) to Seattle (SEA).

• When is the best time to book flights from Los Angeles to Seattle?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Los Angeles to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Los Angeles to Seattle each week?

  On average, 149 direct flights operate each week between Los Angeles and Seattle. See below the schedules of the main airlines serving this route:
  Delta Air Lines: S/M/T/W/T/F/S – DL3816 (departure at 06:16)

• How can I find the best deals on flights from Los Angeles to Seattle?

  Here are some tips for finding the best flight deals from Los Angeles to Seattle on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Sat, Nov 7, with one-way fares from just AU$ 46.
  · Compare airlines. Frontier Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to Seattle.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Los Angeles to Seattle to get the best price?

  The cheapest month to book a flight from Los Angeles to Seattle is usually October, when demand is lower.

• Which upcoming date is the cheapest for flights from Los Angeles to Seattle?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Los Angeles to Seattle on September 17, 2026 with Frontier Airlines, with prices starting at AU$ 41.

• Which airports should you choose for flights from Los Angeles to Seattle?

  Flights to Seattle can arrive at: King County (Boeing Field) International Airport (BFI), Kenmore Air Harbor Seaplane Base (LKE) and Seattle-Tacoma International Airport (SEA). The most common route connects Los Angeles International Airport and Seattle-Tacoma International Airport (LAX–SEA).

• What is the time difference between Los Angeles and Seattle?

  The time difference between Seattle and Los Angeles is 0m.

• How can I change or cancel my flight ticket from Los Angeles to Seattle?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Los Angeles to Seattle?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Los Angeles to Seattle is AU$ 230. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Los Angeles to Seattle?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Los Angeles to Seattle is AU$ 325. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Los Angeles to Seattle on Trip.com?

  Enter Los Angeles and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Los Angeles to Seattle route?

  Frontier Airlinesare the most popular budget airlines flying from Los Angeles to Seattle. Check baggage, seat and payment fees before comparing the final price.