Question 1

How popular is this Seattle to Las Vegas flight route?

Accepted Answer

This flight path from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl was viewed by 33 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

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

Accepted Answer

According to our current data, Spirit Airlines (£101), Alaska Airlines (£110), and Delta (£115) offers the cheapest pricing from Seattle to Las Vegas. Users have found that Spirit Airlines is 26% cheaper than the other options available to this destination.

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 Frontier. According to our data, you can fly for as low as £53. Users have also found prices from £56 and £58 on Alaska Airlines and Delta, respectively.

Question 4

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

Accepted Answer

The best time to book flights from Seattle to Las Vegas is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 5

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of £689). Flying from Seattle to Las Vegas in July is currently the most expensive (average of £1,020). 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 afternoons when fares are most often at their lowest. Sunday afternoons 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 Wednesday (52 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (22 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 cheapest flights from Seattle to Las Vegas?

Accepted Answer

While on average a flight from Seattle to Las Vegas is generally £167, our data shows the cheapest flight currently is £46. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay £135 for that flight.

Question 11

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

Accepted Answer

Consider KLM (93%), Scandinavian Airlines (93%) or Air France (92%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Las Vegas.

Question 12

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

Accepted Answer

Flights from Seattle to Las Vegas are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Las Vegas.

Question 13

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 60% on flights from Seattle to Las Vegas compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £115. For sooner than that we have options available in the next 3 days from £213.

Question 14

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

Accepted Answer

October is one of the best times of the year to fly to Las Vegas from Seattle. Prices for October average £137 per person but you can even find prices for as low as £28. The most expensive prices can be found in the month of December. Opting for a October flight can save you 27% on your journey compared to booking in December

Question 15

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

Accepted Answer

It’s typically best to fly out from Seattle to Las Vegas at midday. Doing so could potentially save you 56% on the flight price compared to flying in the evening, which is usually more expensive.

Question 16

What airports do I use to fly from Seattle to Las Vegas?

Accepted Answer

If you book a flight from Seattle to Las Vegas, you will be flying from Seattle/Tacoma Intl to Harry Reid Intl. Flights to Las Vegas Harry Reid Intl (LAS) from Seattle/Tacoma Intl (SEA) take 2h 28m for a nonstop flight. There are 36 flights from Seattle/Tacoma Intl to Las Vegas per day from 2 airlines.

Question 17

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 18

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 19

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 20

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

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Las Vegas from Seattle today with Cheapflights!

Question 21

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

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Seattle.

Question 22

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

Accepted Answer

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.

Question 23

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

Accepted Answer

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.

Round-trip from	£101
One-way from	£53
Popular in	December
Cheapest in	October
Average price	£136
Good round-trip deal	£120 or less
Good one-way deal	£57 or less

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest£42	Average£101	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
Alaska Airlines	Cheapest£85	Average£149	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

Cheap flights from Seattle to Las Vegas from £53

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 27/7. 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 Friday or Tuesday and return on a Saturday

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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 2 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 2 July 2025.

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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 2 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 2 July 2025.

Reviews of airlines servicing Las Vegas

Check out reviews from past customers who have flown with Alaska Airlines, Southwest, andDelta from Seattle to Las Vegas to help guide your decision. You can also see how each airline stacks up 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.

What airports do I use to fly from Seattle to Las Vegas?

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?

What are the cheapest flights 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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Alternative routes for Seattle to Las Vegas

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Top 2 airlines flying 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 2 July 2025.