Find the cheapest flights on Expedia from Seattle (SEA) to Las Vegas (LAS). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at NZ$123 for travel on 2 December 2026.
Cheap Flights from Seattle to Las Vegas (SEA-LAS)
Prices were available within the past 7 days and start at NZ$123 for one-way flights and NZ$245 for return, for the period specified. Prices and availability are subject to change.
Ready to have the time of your life? When you use Expedia.co.nz to book cheap flights from Seattle to Las Vegas, you can experience all of the attractions this city is famous for, or escape the crowds and explore the outskirts on your own. Our amazing deals on airfare help you save big on tickets, so you can spend more of your hard-earned money enjoying local entertainment options. Even if you seek to score a seat on one of the last-minute SEA to LAS flights, you’ll still save a bundle when compared to the competition.
See for yourself how simple it is to book the holiday of your dreams to Las Vegas by using our helpful search engine today. We have the largest inventory of flights on the internet, and our intuitive tools make it easy to find affordable airfare at any time of year.
Prefer to fly with a particular airline? Our extensive network of travel partners ensures that you can travel with whichever carrier you prefer. So if you’ve been searching for cheap flights to Las Vegas from Seattle, Expedia.co.nz has exactly what you’re looking for. As the world’s leader in travel, we’re committed to helping you get the best rates around.
Frequently Asked Questions
How much is a flight from SEA to Harry Reid Airport (formerly McCarran Airport)?
Round-trip tickets between Seattle - Tacoma Intl. Airport (SEA) and LAS start from NZ$245. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to LAS?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Airport (formerly McCarran Airport) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Airport (formerly McCarran Airport) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Sea-Tac Airport to McCarran Intl. Airport (LAS)?
It only takes around 2 hours and 28 minutes to journey from SEA to McCarran Intl. Airport (LAS). Recline your seat and get comfortable — but not too comfortable. You'll be touching down in Las Vegas in no time.
How far is the flight from Sea-Tac Airport to LAS?
It's just 1 400 kilometres between Seattle - Tacoma Intl. Airport (SEA) and LAS. Chances are you'll spend more time travelling to and from the airport than actually flying!
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Airport (formerly McCarran Airport)?
Check out the deals on offer with these top carriers and book your ticket from Seattle - Tacoma Intl. Airport (SEA) to LAS today:
Alaska Airlines - (AS) with 230 monthly flights
Delta Air Lines - (DL) with 152 monthly flights
Spirit Airlines - (NK) with 86 monthly flights
Southwest Airlines - (WN) with 86 monthly flights
Are SEA to LAS flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes find a bargain, with some super cheap fares from Seattle - Tacoma Intl. Airport (SEA) to LAS emerging a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline advertises prices that far in advance.
Travel information
Origin airport
Seattle-Tacoma International Airport
Destination airport
Harry Reid Intl. Airport
Distance
1,393 km away
Airlines serving
Alaska Airlines, Frontier Airlines, Delta, United, American Airlines, Southwest Airlines