$44 Cheap Frontier Airlines flights Las Vegas (LAS) to Seattle (SEA)

You’ll find affordable return Frontier Airlines flights from $71 from LAS to SEA by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals from $44 for a one-way journey.**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 one-way or round-trip flights to Seattle in January or February. You could find an affordable fare with Frontier Airlines during these off-peak travel months.

Look for affordable Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to Seattle - Tacoma Intl. Airport (SEA) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 offers direct flights from Harry Reid Intl. Airport (LAS) to Seattle - Tacoma Intl. Airport (SEA), with 5 departures every week. Just apply the “Nonstop” and “Airline” filters while searching on Expedia to see all direct Frontier Airlines flights to SEA.

The travel time for a nonstop Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to Seattle - Tacoma Intl. Airport (SEA) typically takes 2h 50m.

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

Departing LAS at 6:00AM UTC-8, the earliest Frontier Airlines flight to SEA lands at 8:50AM UTC-8. Traveling earlier in the day means you’re less likely to experience cancellations.* Prefer a later start? The last Frontier Airlines flight from LAS to SEA departs at 1:31PM UTC-8 and touches down at 4:26PM UTC-8.*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.

Seattle - Tacoma Intl. Airport (SEA) is the main hub for Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to Seattle. But this carrier also travels to Snohomish County - Paine Field Airport (PAE). Make sure you check the “All Airports” option for your destination to see exactly what’s available for your trip to Seattle.

Journey from LAS to SEA with Frontier Airlines and look forward to a host of benefits including a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll probably catch an Airbus A320neo for your Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to Seattle - Tacoma Intl. Airport (SEA). However, you may end up on another aircraft if there are operational changes.

It’s generally possible to cancel or reschedule your flight, although additional charges may apply if you made your booking over 24 hours ago. Need to keep your options open? Use our “No cancel fee” or “Changes included” filter to find flights that won’t penalize you if you need to alter your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.