S$85 Cheap Flights from Seattle to Las Vegas

View S$85 flight on Tue, 19 Aug, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Harry Reid Intl. Airport (LAS)

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

Prices were available within the past 7 days and start at S$85 for one-way flights and S$169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 19 Aug - Wed, 20 Aug
SEA
Seattle
LAS
Las Vegas
S$169 Return, found 6 days ago
S$169
Return
found 6 days ago
Select Delta flight, departing Tue, 19 Aug from Seattle to Las Vegas, returning Wed, 20 Aug, priced at S$169 found 6 days ago
Delta
Tue, 5 Aug - Wed, 6 Aug
SEA
Seattle
LAS
Las Vegas
S$176 Return, found 1 day ago
S$176
Return
found 1 day ago
Select Delta flight, departing Tue, 5 Aug from Seattle to Las Vegas, returning Wed, 6 Aug, priced at S$176 found 1 day ago
Delta
Thu, 4 Sep - Thu, 18 Sep
SEA
Seattle
LAS
Las Vegas
S$215 Return, found 1 day ago
S$215
Return
found 1 day ago
Select Delta flight, departing Thu, 4 Sep from Seattle to Las Vegas, returning Thu, 18 Sep, priced at S$215 found 1 day ago
United
Thu, 4 Sep - Thu, 18 Sep
SEA
Seattle
LAS
Las Vegas
S$228 Return, found 1 day ago
S$228
Return
found 1 day ago
Select United flight, departing Thu, 4 Sep from Seattle to Las Vegas, returning Thu, 18 Sep, priced at S$228 found 1 day ago
American Airlines
Tue, 19 Aug - Wed, 20 Aug
SEA
Seattle
LAS
Las Vegas
S$232 Return, found 6 days ago
S$232
Return
found 6 days ago
Select American Airlines flight, departing Tue, 19 Aug from Seattle to Las Vegas, returning Wed, 20 Aug, priced at S$232 found 6 days ago
American Airlines
Thu, 4 Sep - Thu, 18 Sep
SEA
Seattle
LAS
Las Vegas
S$236 Return, found 1 day ago
S$236
Return
found 1 day ago
Select American Airlines flight, departing Thu, 4 Sep from Seattle to Las Vegas, returning Thu, 18 Sep, priced at S$236 found 1 day ago
Delta
Thu, 4 Sep - Thu, 18 Sep
SEA
Seattle
LAS
Las Vegas
S$254 Return, found 1 day ago
S$254
Return
found 1 day ago
Select Delta flight, departing Thu, 4 Sep from Seattle to Las Vegas, returning Thu, 18 Sep, priced at S$254 found 1 day ago
United
Thu, 28 Aug - Thu, 4 Sep
SEA
Seattle
LAS
Las Vegas
S$257 Return, found 2 days ago
S$257
Return
found 2 days ago
Select United flight, departing Thu, 28 Aug from Seattle to Las Vegas, returning Thu, 4 Sep, priced at S$257 found 2 days ago
Alaska Airlines
Wed, 10 Sep - Fri, 19 Sep
PAE
Seattle
LAS
Las Vegas
S$599 Return, found 2 days ago
S$599
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 10 Sep from Seattle to Las Vegas, returning Fri, 19 Sep, priced at S$599 found 2 days ago
Hawaiian Airlines
Thu, 4 Sep - Thu, 18 Sep
SEA
Seattle
LAS
Las Vegas
S$1,415 Return, found 1 day ago
S$1,415
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, 4 Sep from Seattle to Las Vegas, returning Thu, 18 Sep, priced at S$1,415 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Las Vegas (LAS)

September is typically the cheapest month to fly

From S$50 - S$155 per traveller.

Graph displaying average flight prices per month

Seattle to Las Vegas route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, Hawaiian Airlines, United
Return price
S$168
Distance
1385 km
Average flight time
2 hours 35 mins

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 S$169. 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.

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