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Cheap flights from Seattle to Las Vegas

SEA — LAS
8 Oct — 15 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in September or October, booked 48 days in advance, depart on a Monday or Friday and return on a Monday

Cheap flight deals from Seattle to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 September 2025.

Popular in

December

Cheapest in

September

Average price

₹ 13,820

Good round-trip deal

₹ 14,841 or less

Good one-way deal

₹ 22,010 or less
Highest demand for flights based on searches. 4% potential increase in price (₹ 76,079 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (₹ 33,512 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
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Best time to book a flight from Seattle to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Las Vegas

How far ahead should I book a flight from Seattle to Las Vegas?

Use this chart to determine the optimal time to book a return flight from Seattle to Las Vegas. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Las Vegas, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest time of day to fly from SEA to LAS?

Find hourly flight availability from Seattle to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 September 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Las Vegas in the morning. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 8 September 2025.
Get a feel of what it's like to fly with Alaska Airlines, Spirit Airlines, andFrontier from Seattle to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Spirit Airlines
6.3
Okay
8,022 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,187 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Seattle to Las Vegas flight route?

    Flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl have been viewed 14 times in the past calendar month.

  • What are the cheapest airlines flying from Seattle to Las Vegas round-trip?

    Our cheapest airline available from Seattle to Las Vegas is Spirit Airlines. Our recent data shows that you can find tickets from as low as ₹ 5,297 on this airline. Additional options worth looking into are Frontier and Alaska Airlines, starting at ₹ 6,584 and ₹ 13,334 round-trip. Spirit Airlines is 68% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Seattle to Las Vegas?

    No one likes to see their flight delayed. When booking a flight from Seattle to Las Vegas consider choosing KLM(93%), Delta(90%) or WestJet(90%), as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Seattle to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Seattle to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Las Vegas.

  • Can I find deals for business class flights from Seattle to Las Vegas?

    Yes. Cheapflights offers flight deals from Seattle to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Primm

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Top 3 airlines flying from Seattle to Las Vegas

Discover the top 3 airlines that operate flights from Seattle to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 8 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest₹ 5,297Average₹ 11,889FlexibilityNo cancel feeOn-time65%
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FrontierCheapest₹ 6,584Average₹ 23,103FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapest₹ 13,334Average₹ 14,490FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Las Vegas?

Cheapflights makes it easy to find Seattle to Las Vegas flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Las Vegas?

Cheapflights helps you find that perfect flight to Las Vegas from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle to Las Vegas with no change fees?

Need flexible booking options for your flight to Las Vegas from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Las Vegas become cheaper?

Yes! Start tracking prices for Seattle to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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