Cheap Flights from Seattle to Las Vegas
Seattle-Tacoma International (SEA) → Harry Reid International (LAS)
Avg Flight Time
2h 13m
Distance
1,395 km
Fares From
$139
Daily Flights
6–12
About Seattle to Las Vegas Flights
The Seattle (SEA) to Las Vegas (LAS) air corridor is one of the most frequently searched US domestic routes. Travelers can expect flight times of approximately 2h 13m on nonstop services, with the distance between the two cities spanning roughly 1,395 km.
Economy fares on this route typically start from $139, though prices fluctuate based on demand, season, and how far in advance you book. Business class options are available on most mainline carriers and typically run 2–3× the economy fare.
Multiple airlines compete on the SEA–LAS route, keeping fares competitive. SkyBook compares all available options in real time so you always see the lowest current price across every airline with no booking fees added.
Tips for Booking SEA to LAS
Book 3–6 Weeks Ahead
Domestic fares are cheapest in this window. Any earlier and airlines haven't released sale inventory. Any later and prices spike.
Fly Tuesday or Wednesday
Mid-week departures are consistently cheaper. Avoid Sunday evenings and Friday afternoons — peak business travel days.
Compare All Cabins
Sometimes the difference between Economy and Main Cabin Select is just $30–50 — worth checking for the extra flexibility.
Frequently Asked Questions — Seattle to Las Vegas
How long is the flight from Seattle to Las Vegas?
The average flight from Seattle (SEA) to Las Vegas (LAS) takes about 2h 13m. Nonstop flights are fastest; connecting flights add 1–3 hours depending on the layover.
What is the cheapest time to fly from Seattle to Las Vegas?
Fares on the Seattle–Las Vegas route are typically lowest on Tuesdays and Wednesdays. Booking 3–6 weeks in advance and flying mid-week usually gets you the best deal. Avoid holiday weekends for the lowest prices.
Which airlines fly from SEA to LAS?
American Airlines, Delta, and United are the most common carriers on this route. Southwest, JetBlue, and Alaska Airlines also operate flights depending on the season. SkyBook compares all of them at once so you always get the best available fare.
Does SEA to LAS have nonstop flights?
Yes — nonstop flights are widely available between Seattle and Las Vegas. Connecting flights via hubs like Dallas, Atlanta, or Chicago are also available and sometimes cheaper.
How far in advance should I book flights to Las Vegas?
For domestic US flights, the sweet spot is typically 3–8 weeks before departure. Last-minute fares (within 7 days) are usually the most expensive. SkyBook shows live pricing so you can track when fares drop.
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