฿1,545 Cheap Flights from Seattle (SEA) to Las Vegas (LAS)

View ฿1,545 flight on Sun, 22 Feb 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿1,545 for one-way flights and ฿3,720 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 28 Feb - Mon, 2 Mar
SEA
Seattle
LAS
Las Vegas
฿3,720 Return, found 17 hours ago
฿3,720
Return
found 17 hours ago
Select Delta flight, departing Sat, 28 Feb from Seattle to Las Vegas, returning Mon, 2 Mar, priced at ฿3,720 found 17 hours ago
Delta
Thu, 26 Mar - Thu, 2 Apr
SEA
Seattle
LAS
Las Vegas
฿4,350 Return, found 1 day ago
฿4,350
Return
found 1 day ago
Select Delta flight, departing Thu, 26 Mar from Seattle to Las Vegas, returning Thu, 2 Apr, priced at ฿4,350 found 1 day ago
Delta
Sat, 28 Feb - Mon, 2 Mar
SEA
Seattle
LAS
Las Vegas
฿4,665 Return, found 17 hours ago
฿4,665
Return
found 17 hours ago
Select Delta flight, departing Sat, 28 Feb from Seattle to Las Vegas, returning Mon, 2 Mar, priced at ฿4,665 found 17 hours ago
Delta
Thu, 26 Mar - Thu, 2 Apr
SEA
Seattle
LAS
Las Vegas
฿5,590 Return, found 1 day ago
฿5,590
Return
found 1 day ago
Select Delta flight, departing Thu, 26 Mar from Seattle to Las Vegas, returning Thu, 2 Apr, priced at ฿5,590 found 1 day ago
Delta
Mon, 6 Apr - Wed, 8 Apr
SEA
Seattle
LAS
Las Vegas
฿5,615 Return, found 1 day ago
฿5,615
Return
found 1 day ago
Select Delta flight, departing Mon, 6 Apr from Seattle to Las Vegas, returning Wed, 8 Apr, priced at ฿5,615 found 1 day ago
Delta
Sat, 28 Feb - Mon, 2 Mar
SEA
Seattle
LAS
Las Vegas
฿5,895 Return, found 17 hours ago
฿5,895
Return
found 17 hours ago
Select Delta flight, departing Sat, 28 Feb from Seattle to Las Vegas, returning Mon, 2 Mar, priced at ฿5,895 found 17 hours ago
United
Sat, 28 Feb - Mon, 2 Mar
SEA
Seattle
LAS
Las Vegas
฿6,250 Return, found 17 hours ago
฿6,250
Return
found 17 hours ago
Select United flight, departing Sat, 28 Feb from Seattle to Las Vegas, returning Mon, 2 Mar, priced at ฿6,250 found 17 hours ago
Delta
Mon, 27 Apr - Wed, 29 Apr
SEA
Seattle
LAS
Las Vegas
฿6,565 Return, found 3 days ago
฿6,565
Return
found 3 days ago
Select Delta flight, departing Mon, 27 Apr from Seattle to Las Vegas, returning Wed, 29 Apr, priced at ฿6,565 found 3 days ago
United
Mon, 27 Apr - Wed, 29 Apr
SEA
Seattle
LAS
Las Vegas
฿6,730 Return, found 3 days ago
฿6,730
Return
found 3 days ago
Select United flight, departing Mon, 27 Apr from Seattle to Las Vegas, returning Wed, 29 Apr, priced at ฿6,730 found 3 days ago
American Airlines
Sat, 28 Feb - Mon, 2 Mar
SEA
Seattle
LAS
Las Vegas
฿7,670 Return, found 17 hours ago
฿7,670
Return
found 17 hours ago
Select American Airlines flight, departing Sat, 28 Feb from Seattle to Las Vegas, returning Mon, 2 Mar, priced at ฿7,670 found 17 hours ago
Flight from Seattle to Las Vegas route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, United
Return price
฿3,720
Distance
1385 km
Average flight time
2 hours 29 mins

Perfect flights from Seattle to Las Vegas

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Las Vegas. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Harry Reid Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿1,545 and roundtrip prices from ฿3,720. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Harry Reid Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Las Vegas.

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 ฿3,720. 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.
*Available to Expedia members.