Cheap Flights from Las Vegas to Seattle from S$ 43

Frequently Asked Questions

• Which airlines offer the cheapest flights from Las Vegas to Seattle?

  Based on Trip.com data, Frontier Airlines offers Cheapest nonstop one-way flights from S$ 43 (for example, LAS–SEA on Fri, Oct 30). For a Cheapest nonstop return flight, Frontier Airlines offers fares from S$ 74, departing on Wed, Sep 23 and returning on Fri, Sep 25.

• Which airlines offer direct flights from Las Vegas to Seattle?

  At the moment, you can catch a direct flight from Las Vegas to Seattle with the following airlines, including: Alaska 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 a flight from Las Vegas (LAS) to Seattle (SEA)?

  It takes about 2 hours 54 minutes to fly from Las Vegas (LAS) to Seattle (SEA).

• When is the best time to book flights from Las Vegas 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 Las Vegas 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 Las Vegas to Seattle each week?

  On average, 80 direct flights operate each week between Las Vegas and Seattle. See below the schedules of the main airlines serving this route:
  Alaska Airlines: S/M/T/W/T/F/S – AS741 (departure at 06:15) Alaska Airlines: S/M/T/W/T/F/S – AS701 (departure at 08:31)

• How can I find the best deals on flights from Las Vegas to Seattle?

  Here are some tips for finding the best flight deals from Las Vegas to Seattle on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Fri, Oct 30, with one-way fares from just S$ 43.
  · 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 Las Vegas to Seattle to get the best price?

  The cheapest month to book a flight from Las Vegas to Seattle is usually November, when demand is lower.

• Which upcoming date is the cheapest for flights from Las Vegas to Seattle?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Las Vegas to Seattle on September 11, 2026 with Frontier Airlines, with prices starting at S$ 37.

• Which airports should you choose for flights from Las Vegas to Seattle?

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

• What is the time difference between Las Vegas and Seattle?

  The time difference between Seattle and Las Vegas is 0m.

• How can I change or cancel my flight ticket from Las Vegas 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 cost of a one-way flight from Las Vegas to Seattle?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Las Vegas to Seattle is S$ 193. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Las Vegas to Seattle?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Las Vegas to Seattle is S$ 277. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Las Vegas to Seattle on Trip.com?

  Enter Las Vegas 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 traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Las Vegas to Seattle route?

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