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Cheap Flights from Seattle (SEA) to Las Vegas (LAS)

Compare Seattle / Tacoma International to Las Vegas Harry Reid International flight deals

Find the cheapest month or even day of the year to fly to Las Vegas Harry Reid International

Book the best Las Vegas Harry Reid International fare with no extra fees

Flight deals from Seattle / Tacoma International to Las Vegas Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to Las Vegas Harry Reid International? Find the lowest prices on one-way and return tickets right here.
Las Vegas.$171 per passenger.Departing Thu, 7 Aug, returning Sat, 9 Aug.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Thu, 7 Aug, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Sat, 9 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $171, select.
Las Vegas.$171 per passenger.Departing Sat, 19 Jul, returning Wed, 6 Aug.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Sat, 19 Jul, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Wed, 6 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $171, select.
Las Vegas.$172 per passenger.Departing Sat, 19 Jul, returning Mon, 21 Jul.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Sat, 19 Jul, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Mon, 21 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $172, select.
Las Vegas.$191 per passenger.Departing Sun, 5 Oct, returning Fri, 10 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Sun, 5 Oct, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Fri, 10 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $191, select.
Las Vegas.$192 per passenger.Departing Mon, 29 Sep, returning Thu, 2 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Mon, 29 Sep, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Thu, 2 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $192, select.
Las Vegas.$192 per passenger.Departing Mon, 3 Nov, returning Fri, 7 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Mon, 3 Nov, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Fri, 7 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $192, select.
Las Vegas.$206 per passenger.Departing Fri, 5 Sep, returning Fri, 12 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Fri, 5 Sep, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Fri, 12 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $206, select.
Las Vegas.$208 per passenger.Departing Mon, 30 Jun, returning Thu, 10 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Mon, 30 Jun, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Thu, 10 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $208, select.

The cheapest month to fly from Seattle / Tacoma International Airport to Las Vegas Harry Reid International Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Seattle / Tacoma International Airport to Las Vegas Harry Reid International Airport flight prices forecast over the next 12 months.
Jun
from $289
Jul
from $172
Aug
from $171
Sep
from $206
Oct
from $191
Nov
from $192
Dec
from $339
Jan
from $494
Feb
from $378
Mar
from $391
Apr
from $395
May
from $378
Cheapest month:August
Most expensive month:January

Direct flights from Seattle / Tacoma International to Las Vegas Harry Reid International

Seattle / Tacoma International to Las Vegas Harry Reid International: Alternative routes

Compare routes from Seattle / Tacoma International to Las Vegas below. You may find an airport to fly into that's cheaper, faster, or easier than Las Vegas Harry Reid International.

Seattle to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$171
Cheapest month to flyJuly
Average flight time2 hrs, 36 mins
Most popular airlineAir Tahiti Nui
Average flights per week415

Finding cheap flights from Seattle / Tacoma International to Las Vegas Harry Reid International: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to Las Vegas Harry Reid International is $171. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 36 minutes is the average flight time from Seattle / Tacoma International to Las Vegas Harry Reid International.
Air Tahiti Nui, WestJet and Hawaiian Airlines fly direct from Seattle / Tacoma International to Las Vegas Harry Reid International.
As of June 2025, there are 415 flights per week flying from Seattle / Tacoma International to Las Vegas Harry Reid International.
The cheapest month to fly from Seattle / Tacoma International to Las Vegas Harry Reid International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Las Vegas Harry Reid International Airport on Saturday, 19 July 2025.
Yes – the average flight time is 2 hours and 36 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas Harry Reid International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines offers the cheapest flight tickets to Las Vegas Harry Reid International.

Travelling from Seattle-Tacoma International Airport (SEA) to Harry Reid Airport (formerly McCarran Airport) (LAS): what you need to know

  • The average time for a direct flight from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport) is 2 hours 35 minutes.

  • Seattle and Las Vegas are both in the UTC-7 timezone. That means there's no time difference to consider.

  • You can choose from 264 weekly Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport) flights. The 05:00 departure with Southwest Airlines is the earliest available. Frontier Airlines operates the last service of the day at 22:59.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport on time to board your SEA to LAS flight.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during peak periods in general.

  • A good range of airlines offer direct flights from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport). Fly nonstop to Las Vegas with one of these carriers and discover this amazing part of United States:

  • Alaska Airlines tops the list for bookings on this route.

  • Frontier Airlines tops the rankings as the most punctual carrier for SEA to LAS flights, with 94.29% of its services reaching their destination on schedule.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport), uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Popular stopovers between SEA and LAS include:

    • Portland International Airport

    • Sacramento International Airport

    • Boise Air Terminal (Gowen Field) Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The lowest price we've seen for a one-way Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport) flight is $86. A return fare is currently $171. Depending on the availability and when you book, these fares can change.

  • To pick up cheap tickets from SEA to LAS, reserve your journey six months ahead of your planned departure.

  • The cheapest month for flights from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport) is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.

  • Landing cheap flights from SEA to LAS is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when a new deal comes up.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport).

Handy information about Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport gets high marks for on-time performance. 81.27% of flights that depart SEA arrive at their destination as scheduled.

  • Central Seattle to Seattle-Tacoma International Airport is approximately 23 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • The trip when using public transport takes about 55 minutes.

  • Get your journey off to a stress-free start by staying near SEA. Whether you've booked an early flight from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport) or just don't want to be rushed, these hotels are perfect:

Arriving at Harry Reid Airport (formerly McCarran Airport) (LAS)

Getting from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas

  • You'll find LAS at 5757 Wayne Newton Boulevard.

  • Harry Reid Airport (formerly McCarran Airport) to central Las Vegas has a drive time of around 15 minutes. It's approximately 19 kilometres away.

  • It takes around 1 hour when travelling by public transport.

When to fly to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The quietest month for a flight from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport) is May, while October is the most popular. Pick the best time to visit Las Vegas based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 42ºC (108ºF). Book your flights from Seattle-Tacoma International Airport to Harry Reid Airport (formerly McCarran Airport) in this month if this is the type of weather you like.

  • Look for cheap tickets from SEA to LAS in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC (30ºF) and 13ºC (55ºF) on average.

Explore more of United States

  • Las Vegas is always a good idea, but there are so many other parts of United States just waiting to be explored. Around 370 kilometres south-west of Las Vegas, a visit to Los Angeles will keep you on the move. Start with popular sights like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 418 kilometres south-east of Las Vegas, Phoenix is another essential stop in United States. Start your sightseeing at Desert Botanical Garden, Heard Museum and Papago Park.

Plan the rest of your trip from Seattle to Las Vegas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.