Question 1

How popular is this Seattle to Las Vegas flight route?

Accepted Answer

Within the past month, 62 users have taken a look at flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl. Find deals

Question 2

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

Accepted Answer

Cheapflights users have booked flights from Seattle to Las Vegas round-trip from $152. Other airlines that can offer you cheap pricing are Spirit Airlines, from $181, and Alaska Airlines, from $192. You may be able to fly from Seattle to Las Vegas for 47% less than the average price by searching for these airlines. Find deals

Question 3

What are the cheapest airlines to fly from Seattle to Las Vegas one-way?

Accepted Answer

For one-way options, check prices for Southwest. According to our data, you can fly for as low as $88. Users have also found prices from $101 and $128 on Delta and Alaska Airlines, respectively. Find deals

Question 4

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

Accepted Answer

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be. Find deals

Question 5

What is the cheapest month to book a flight from Seattle to Las Vegas?

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of $978). Flying from Seattle to Las Vegas in December is currently the most expensive (average of $1,549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 6

What is the cheapest day to fly from Seattle to Las Vegas?

Accepted Answer

Travellers seeking maximum savings on their Seattle to Las Vegas flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from Seattle to Las Vegas

Accepted Answer

The most flights from SEA to LAS are scheduled on a Monday (61 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Question 10

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

Accepted Answer

Before booking your flight to Las Vegas from Seattle, have a look at the most reliable airlines to get you to your destination on time: KLM (96%), Air France (89%), Delta( 88%).

Question 11

What is the cheapest day to fly return from Seattle to Las Vegas?

Accepted Answer

Users have found that flying from Seattle to Las Vegas on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 12

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

Accepted Answer

To save on the cost of your flight from Seattle to Las Vegas, book at least 31 days before your planned departure. Booking around this time can save you about 60% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $241 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $449.

Question 13

What is the cheapest month to fly from Seattle to Las Vegas?

Accepted Answer

The best pricing can be found in the month of October. Prices to Las Vegas from Seattle average $288. You can even find prices in October for less than $288, as users have found deals to Las Vegas from as low as $58. The month of December appears to be one of the more expensive times to travel to Las Vegas from Seattle. Flying in the targeted month can save you up to 27%.

Question 14

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

Accepted Answer

Unlike at midday, when flights are generally more expensive, you can save up to 27% on flights from Seattle to Las Vegas by exploring options for tickets in the morning.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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.

Question 17

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

Accepted Answer

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.

Question 18

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

Accepted Answer

Cheapflights helps you search for flights from Seattle to Las Vegas via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 19

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Las Vegas for you. Better yet — we are completely free to use.

Question 20

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from Seattle to Las Vegas with no change fees.

Question 21

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

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	$152
One-way from	$88
Popular in	December
Cheapest in	October
Average price	$286

Cheap flights from Seattle to Las Vegas from $88

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in October or September, booked 81 days in advance, depart on a Thursday or Tuesday and return on a Monday

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Cheapest flights from Seattle to Las VegasExplore the most affordable flight options available from Seattle to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Explore the most affordable flight options available from Seattle to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Las Vegas that are best for you.

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.

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 27 June 2025.

What is the cheapest month to book a flight from Seattle to Las Vegas?

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 July 2025.

Weekly flight availability from Seattle to Las Vegas

Explore weekly flight availability from Seattle to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 8 July 2025.

Reviews of airlines servicing Las Vegas

See what other customers who have flown with Alaska Airlines, Southwest, andDelta from Seattle to Las Vegas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What are the cheapest airlines to fly from Seattle to Las Vegas one-way?

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

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

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

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

What is the cheapest month to book a flight from Seattle to Las Vegas?

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

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

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

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

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Cheapest flights from Seattle to Las Vegas
Explore the most affordable flight options available from Seattle to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.