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What is the cheapest month to fly to Las Vegas? The month of February is, on average, the cheapest month to fly to Las Vegas from Seattle, with most prices found around $175. The month of January is another great option to travel to Las Vegas, with average flight prices from Seattle averaging around $186.What is the cheapest day to depart on your flight to Las Vegas? Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $181. Flights from Seattle to Las Vegas on a Friday will generally be more expensive and average around $257. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.What is the cheapest time of day to depart on your flight to Las Vegas? The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $219. Flights to Las Vegas are more costly in the evening, with an average ticket price of $227. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.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 pricesHow far in advance should I book a flight to Las Vegas? 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 $210 when searching weeks out. 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 $163 on momondo.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 92% 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? Delta, United Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid IntlWhat airlines fly to Las Vegas? Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Las Vegas from Seattle according to our data. Alaska Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 6 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.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 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 which experiences the fewest number of 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 least number of 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? The number of flights available between Seattle and Las Vegas is 37 per day as of December 2025. The most frequent departure time is 6:00PM, with 36% of daily flights leaving in the evening.How many flights depart from Seattle to Las Vegas on average per week? As of December 2025, there are 263 flights per week flying from Seattle to Las Vegas. The most common day of the week flights depart is Sat, with 21% of flights taking off on this day.(责任编辑：) |