Cheap Flights from Seattle (SEA) to Las Vegas (LAS) from HK$594~

View HK$594 flight on Wed, 8 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$594 for one-way flights and HK$1,178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 8 Oct - Tue, 21 Oct
SEA
Seattle
LAS
Las Vegas
HK$1,178 Return, found 1 hour ago
HK$1,178
Return
found 1 hour ago
Select Delta flight, departing Wed, 8 Oct from Seattle to Las Vegas, returning Tue, 21 Oct, priced at HK$1,178 found 1 hour ago
Delta
Mon, 8 Sep - Tue, 23 Sep
SEA
Seattle
LAS
Las Vegas
HK$1,253 Return, found 1 hour ago
HK$1,253
Return
found 1 hour ago
Select Delta flight, departing Mon, 8 Sep from Seattle to Las Vegas, returning Tue, 23 Sep, priced at HK$1,253 found 1 hour ago
Delta
Mon, 8 Sep - Tue, 23 Sep
SEA
Seattle
LAS
Las Vegas
HK$1,522 Return, found 1 hour ago
HK$1,522
Return
found 1 hour ago
Select Delta flight, departing Mon, 8 Sep from Seattle to Las Vegas, returning Tue, 23 Sep, priced at HK$1,522 found 1 hour ago
United
Wed, 8 Oct - Tue, 21 Oct
SEA
Seattle
LAS
Las Vegas
HK$1,606 Return, found 1 hour ago
HK$1,606
Return
found 1 hour ago
Select United flight, departing Wed, 8 Oct from Seattle to Las Vegas, returning Tue, 21 Oct, priced at HK$1,606 found 1 hour ago
Delta
Wed, 8 Oct - Tue, 21 Oct
SEA
Seattle
LAS
Las Vegas
HK$1,609 Return, found 1 hour ago
HK$1,609
Return
found 1 hour ago
Select Delta flight, departing Wed, 8 Oct from Seattle to Las Vegas, returning Tue, 21 Oct, priced at HK$1,609 found 1 hour ago
American Airlines
Tue, 9 Sep - Tue, 23 Sep
SEA
Seattle
LAS
Las Vegas
HK$1,620 Return, found 1 hour ago
HK$1,620
Return
found 1 hour ago
Select American Airlines flight, departing Tue, 9 Sep from Seattle to Las Vegas, returning Tue, 23 Sep, priced at HK$1,620 found 1 hour ago
Delta
Thu, 11 Sep - Sat, 20 Sep
SEA
Seattle
LAS
Las Vegas
HK$1,651 Return, found 1 hour ago
HK$1,651
Return
found 1 hour ago
Select Delta flight, departing Thu, 11 Sep from Seattle to Las Vegas, returning Sat, 20 Sep, priced at HK$1,651 found 1 hour ago
Delta
Mon, 8 Sep - Tue, 23 Sep
SEA
Seattle
LAS
Las Vegas
HK$1,683 Return, found 1 hour ago
HK$1,683
Return
found 1 hour ago
Select Delta flight, departing Mon, 8 Sep from Seattle to Las Vegas, returning Tue, 23 Sep, priced at HK$1,683 found 1 hour ago
Delta
Mon, 8 Sep - Tue, 23 Sep
SEA
Seattle
LAS
Las Vegas
HK$1,685 Return, found 1 hour ago
HK$1,685
Return
found 1 hour ago
Select Delta flight, departing Mon, 8 Sep from Seattle to Las Vegas, returning Tue, 23 Sep, priced at HK$1,685 found 1 hour ago
Hawaiian Airlines
Thu, 11 Sep - Mon, 22 Sep
SEA
Seattle
LAS
Las Vegas
HK$2,016 Return, found 1 hour ago
HK$2,016
Return
found 1 hour ago
Select Hawaiian Airlines flight, departing Thu, 11 Sep from Seattle to Las Vegas, returning Mon, 22 Sep, priced at HK$2,016 found 1 hour ago

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

September is typically the cheapest month to fly

From HK$308 - HK$1,016 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, United
Return price
HK$1,178
Distance
1385 km
Average flight time
2 hours 36 mins

Flights from Seattle to Las Vegas

Book cheap flights from Seattle (SEA) to Las Vegas (LAS) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seattle (SEA) to Las Vegas (LAS) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle (SEA) to Las Vegas (LAS) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Las Vegas flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Las Vegas and things to do in Las Vegas for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Las Vegas more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Las Vegas is HK$594 now!

 

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 HK$1,178. 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 kilometers between Seattle - Tacoma Intl. Airport (SEA) and LAS. Chances are you'll spend more time traveling 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.

Explore a world of travel with Expedia

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