Question 1

What is the cheapest day to depart on your flight to Las Vegas?

Accepted Answer

On average, the least expensive day to fly to Las Vegas from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $271. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Las Vegas is Wednesday, with ticket prices averaging around $461.

Question 2

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Accepted Answer

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Question 3

How have Seattle to Las Vegas flight prices changed over time?

Accepted Answer

As of December 2025, prices for Seattle to Las Vegas flights are approximately 78% more expensive when compared to flights at the same time last year.

Question 4

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

Accepted Answer

You are more likely to see cheaper flights to Las Vegas from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $315 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Seattle for as low as $245 on momondo.

Question 5

How often are flights from Seattle to Las Vegas delayed?

Accepted Answer

Historically, on average around 15% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 7

What is the cheapest time of day to depart on your flight to Las Vegas?

Accepted Answer

In the morning is the cheapest time of day to fly from Seattle to Las Vegas when you can find flight prices for as low as $322. Flying to Las Vegas in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $461.

Question 8

What is the most punctual flight time for Seattle to Las Vegas flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Question 9

What is the cheapest month to fly to Las Vegas?

Accepted Answer

The cheapest month to fly to Las Vegas from Seattle is in February. Flight prices, which tend to average around $266, are often lower during this time because this is during the off-season. If you aren’t able to travel to Las Vegas during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $279.

Question 10

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

Accepted Answer

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 11

What is the typical price of a round-trip flight between Seattle and Las Vegas?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $243 to $529.
The lowest price recently found on this route was $135.

Question 12

Which airline has the best punctuality record on Seattle to Las Vegas flights?

Accepted Answer

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Question 13

How many flights depart from Seattle to Las Vegas on average per week?

Accepted Answer

The number of flights available between Seattle and Las Vegas is 211 per week as of December 2025. The most frequent departure day is Mon, with 27% of weekly flights leaving on this day.

Question 14

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Accepted Answer

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

Question 15

How many flights depart from Seattle to Las Vegas on average per day?

Accepted Answer

As of December 2025, 30 flights take off from Seattle and land in Las Vegas each day. The most common flight departure time for this route is 18:00, with 39% of daily flights taking off in the evening.

Question 16

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

Accepted Answer

Prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport refresh daily.

Question 17

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.

Question 18

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Cheap flights from Seattle to Las Vegas from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Las Vegas departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Seattle to Las Vegas

What is the typical price of a round-trip flight between Seattle and Las Vegas?

What is the cheapest month to fly to Las Vegas?

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

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

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Las Vegas flight prices changed over time?

As of December 2025, prices for Seattle to Las Vegas flights are approximately 78% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 15% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

How many flights depart from Seattle to Las Vegas on average per day?

As of December 2025, 30 flights take off from Seattle and land in Las Vegas each day. The most common flight departure time for this route is 18:00, with 39% of daily flights taking off in the evening.

How many flights depart from Seattle to Las Vegas on average per week?

The number of flights available between Seattle and Las Vegas is 211 per week as of December 2025. The most frequent departure day is Mon, with 27% of weekly flights leaving on this day.

When to book flights from Seattle to Las Vegas

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How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?

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How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

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