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

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Compare Seattle 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 to Las Vegas Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Seattle to Las Vegas Harry Reid International? Find the lowest prices on one-way and return tickets right here.
Las Vegas.$151 per passenger.Departing Mon, 21 Jul, returning Fri, 25 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Paine Field on Mon, 21 Jul, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Fri, 25 Jul, arriving in Paine Field.Price includes taxes and charges.From $151, select.
Las Vegas.$171 per passenger.Departing Mon, 28 Jul, returning Mon, 4 Aug.Return flight with Frontier Airlines and Spirit Airlines.Outbound direct flight with Frontier Airlines departs from Paine Field on Mon, 28 Jul, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Mon, 4 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $171, select.
Las Vegas.$173 per passenger.Departing Sat, 2 Aug, returning Sun, 3 Aug.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Sat, 2 Aug, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Sun, 3 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $173, select.
Las Vegas.$174 per passenger.Departing Tue, 21 Oct, returning Tue, 4 Nov.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Tue, 21 Oct, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Tue, 4 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $174, select.
Las Vegas.$174 per passenger.Departing Fri, 5 Sep, returning Fri, 12 Sep.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Fri, 5 Sep, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Fri, 12 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $174, select.
Las Vegas.$174 per passenger.Departing Thu, 11 Sep, returning Wed, 1 Oct.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Thu, 11 Sep, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Wed, 1 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $174, select.
Las Vegas.$174 per passenger.Departing Tue, 7 Oct, returning Sat, 18 Oct.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Seattle / Tacoma International on Tue, 7 Oct, arriving in Las Vegas Harry Reid International.Inbound direct flight with Spirit Airlines departs from Las Vegas Harry Reid International on Sat, 18 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $174, select.
Las Vegas.$182 per passenger.Departing Mon, 23 Jun, returning Fri, 27 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Paine Field on Mon, 23 Jun, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Fri, 27 Jun, arriving in Paine Field.Price includes taxes and charges.From $182, select.

The cheapest month to fly from Seattle 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 to Las Vegas Harry Reid International Airport flight prices forecast over the next 12 months.
Jun
from $182
Jul
from $151
Aug
from $173
Sep
from $174
Oct
from $174
Nov
from $193
Dec
from $360
Jan
from $378
Feb
from $397
Mar
from $380
Apr
from $380
May
from $381
Cheapest month:July
Most expensive month:February

Direct flights from Seattle to Las Vegas Harry Reid International

Seattle to Las Vegas Harry Reid International: Alternative routes

Compare routes from Seattle 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$151
Cheapest month to flyJuly
Average flight time2 hrs, 35 mins
Most popular airlineAir Tahiti Nui
Average flights per week442

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

The best price we found for a return flight from Seattle to Las Vegas Harry Reid International is $151. 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 35 minutes is the average flight time from Seattle to Las Vegas Harry Reid International.
WestJet, Alaska Airlines and Air Tahiti Nui fly direct from Seattle to Las Vegas Harry Reid International.
As of June 2025, there are 408 flights per week flying from Seattle to Las Vegas Harry Reid International.
The cheapest month to fly from Seattle to Las Vegas Harry Reid International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Las Vegas Harry Reid International Airport on Monday, 21 July 2025.
Yes – the average flight time is 2 hours and 35 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.
The cheapest airline that flies to Las Vegas Harry Reid International is Frontier Airlines .

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

  • Kick off your travels at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Look for flights from Seattle to Harry Reid Airport (formerly McCarran Airport) (LAS) that leave from this base.

  • The average duration of a direct flight from Seattle to Harry Reid Airport (formerly McCarran Airport) is 2 hours 34 minutes.

  • Harry Reid Airport (formerly McCarran Airport) is located in Las Vegas. The city's timezone is UTC-7, which is the same as Seattle.

  • Seattle-Tacoma International Airport (SEA) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the most popular route. There are 264 direct weekly flights to choose from. If you prefer a later start to the day, take the last flight with Frontier Airlines at 22:59. Opt for the first SEA to LAS departure with Southwest Airlines at 05:00 if you want to get going earlier.

  • Arrive at the airport on time so you don't miss your flight from Seattle to LAS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • Travelling during a peak month like July? Popular periods (like Thanksgiving, Christmas/New Year and spring break) can easily add another hour at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) offers an easy route to your destination. Nonstop flights from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport (LAS) can be booked from this terminal.

  • These are some of the leading airlines offering direct flights from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport leaving from SEA:

  • The distance from central Seattle to SEA is about 23 kilometres. Use travel apps like Google Maps for the quickest way to get there, whether you want to drive or use public transport.

  • Want a hassle-free start to your trip? Stay near Seattle-Tacoma International Airport. Whether you're taking an early flight from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport or just don't like being rushed, these hotels are ideal:

Lake Union Sea Plane Base (LKE)

About Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • If you have a late flight from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport, few things top the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and sleeping not long after at one of these options near LAS:

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

  • From Harry Reid Airport (formerly McCarran Airport) Airport, Las Vegas is approximately 19 kilometres away. It takes around 15 minutes to get to the centre driving.

  • It takes roughly 1 hour if you're using public transport.

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

  • Pick up a one-way ticket from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport from $76 or travel return from just $151. Prices are accurate at the time of listing and may change based on availability when you book.

  • You're more likely to score flight tickets from Seattle to LAS if you book 8 months before your departure date. We crunched the flight price data and found that's the time fares for this journey tend to be at their lowest.

  • The cheapest month for tickets from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport is May. Use the 'Whole month' search feature to find the most affordable day to fly if you're flexible with your departure dates.

  • Create a Price Alert for flight tickets from Seattle to LAS. You don't need to search every day to find out if prices have dropped. We'll tell you as soon as there's a change in price.

  • Customise your trip using filters. Adjust the duration, number of stops, and departure and arrival times to find the right flight from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport. You can also sort the results to see the 'Cheapest,' 'Best' or 'Fastest' options first.

The best time to fly from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • October is the busiest month to board a flight from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport while May is the quietest. To work out the best time to visit Las Vegas, consider your preferred travel pace and style.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC and 42ºC. Book your flights from Seattle to LAS in this month if you enjoy this type of weather.

  • Search for cheap flights from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 13ºC on average.

More about Las Vegas

  • Start your Las Vegas trip off on the right foot by choosing the ideal place to stay. After booking your flight from Seattle to Harry Reid Airport (formerly McCarran Airport) Airport, check out our selection of accommodation options including:

  • All great journeys should include some sightseeing. Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience are essential stops on your Las Vegas itinerary.

Complete your Las Vegas trip with a car rental

  • Grab the keys to one of our car rentals in Las Vegas and explore the city on your own terms. Easily compare prices from trusted providers in one go after booking your hotel and cheap flights from Seattle to Harry Reid Airport (formerly McCarran Airport).

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.