$54 Cheap Frontier Airlines flights Seattle (SEA) to Las Vegas (LAS)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Frontier Airlines round-trip flights from $108 from SEA to LAS. Affordable one-way fares from $54 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for round-trip or one-way flights to Las Vegas in January or June. You could find a cheap fare with Frontier Airlines during these off-season months.

Begin your search one to three months ahead of your departure date to find cheaper fares on Frontier Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Frontier Airlines has direct flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS), with 5 departures every week. Simply choose the “Nonstop” and “Airline” filters while searching on Expedia to see all direct Frontier Airlines flights to LAS.

From takeoff till touchdown, a direct Frontier Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS) typically takes 2h 37m.

Sunday has the most Frontier Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS). With 2 daily departures, this is the best day to book something that will suit your plans.

The first flight from SEA to LAS with Frontier Airlines leaves at 9:40AM UTC-8. You’ll land at 12:18PM UTC-8. The final Frontier Airlines flight of the day leaves at 5:16PM UTC-8 and arrives at 7:48PM UTC-8. With around 20% fewer cancellations for morning and mid-morning departures, heading out early is generally the best option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Jump on a Frontier Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Las Vegas, and you’ll probably come in to Harry Reid Intl. Airport (LAS). This is the airline’s main hub here.

Offering a rewarding loyalty program, Frontier Airlines is a top pick for many passengers heading from SEA to LAS. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Frontier Airlines generally operates Airbus A320neo planes for flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS). Remember that aircraft type can differ depending on operational demands, so the plane you board might be different on the day.

It’s usually possible to change or cancel your flight, although there may be additional fees if you booked over 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to revise your plans. To make modifications, go to “Trips,” select your flight and click on “Manage Booking” for more information.