LAS to SEA: Flights from Las Vegas to Seattle Guide
Cheapest flight found
$63
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: LAS → SEA
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$63
Highest Fare
$184
Median Fare
$148
Price Spread
$121
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $63)
Most expensive month: July 2026 (from $184)
Biggest price drop caught: $35 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Las Vegas to Seattle range from $63 to $184, a $121 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $35 between hourly checks on this route.
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From
Las Vegas (LAS)
To
Seattle (SEA)
Airport Information
Las Vegas (LAS)
Harry Reid International Airport (LAS), located just south of the famous Las Vegas Strip, is one of the busiest and most unique airports in the United States. It features two main terminals and is well-known for its vibrant atmosphere, complete with thousands of slot machines throughout the terminals. Travelers can enjoy a wide array of dining options, from high-end sit-down restaurants to quick local favorites, ensuring a comfortable pre-flight experience.
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), commonly referred to as Sea-Tac, serves as the primary international gateway for the Pacific Northwest. Located about 14 miles south of downtown Seattle, the airport is a major hub for Alaska Airlines and Delta Air Lines. It offers premium amenities, including an impressive permanent art collection, live music performances in the terminals, and diverse food options that highlight local ingredients like Pacific salmon and artisanal coffee.
Frequently Asked Questions
How long is the average flight from LAS to SEA?
The average non-stop flight duration from Harry Reid International Airport to Seattle-Tacoma International Airport is approximately 2 hours and 40 minutes.
Which airlines offer direct flights between Las Vegas and Seattle?
Several major carriers offer non-stop service, including Alaska Airlines, Delta Air Lines, Southwest Airlines, and Spirit Airlines.
Is there a time difference between Las Vegas and Seattle?
No, both Las Vegas and Seattle are located in the Pacific Time Zone, so there is no time change when traveling between these two cities.
What is the cheapest day of the week to fly to Seattle?
Typically, mid-week flights on Tuesdays and Wednesdays offer the lowest fares, while Friday and Sunday departures tend to be the most expensive due to weekend demand.
How far is the airport from downtown Seattle?
Sea-Tac Airport is approximately 14 miles south of downtown Seattle, which takes about 20-40 minutes by car depending on traffic, or 40 minutes via the Link light rail.
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