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How to get the cheapest flight ticket from Seattle to Las Vegas
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
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?
In general, September is the cheapest month to fly from Seattle to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £102. If you’re not able to fly to Las Vegas in September, then October is your next best option. Flight prices from Seattle to Las Vegas during October average around £105.
What is the cheapest day to depart on your flight to Las Vegas?
The cheapest day to depart on your flight to Las Vegas is on a Wednesday when prices can be found for as low as £85. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £237.
What is the cheapest time of day to depart on your flight to Las Vegas?
Our data shows that the cheapest Seattle to Las Vegas flights are usually those with departure times at midday. Our users have found flights to Las Vegas at midday for as low as £68. Flights to Las Vegas are more costly in the evening, with an average ticket price of £150. 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 prices
How 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 4 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around £137 when searching 4 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 £116 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 many flights depart from Seattle to Las Vegas on average per day?
As of June 2025, 39 flights take off from Seattle and land in Las Vegas each day. The most common flight departure time for this route is 14:00, with 51% of daily flights taking off in the afternoon.
How many flights depart from Seattle to Las Vegas on average per week?
274 flights are operational weekly from Seattle to Las Vegas as of June 2025. The most popular departure day for this route is Fri, with 21% of flights per week taking off on this day.
When to book flights from Seattle to Las Vegas
Cheap Seattle to Las Vegas (SEA to LAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Las Vegas
How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?
Seattle/Tacoma Intl and Las Vegas Harry Reid Intl are 871.3 mi apart from one another. By plane, this route typically takes 2h 28m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
There are 2 operators available for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
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 license 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.
What is the most popular plane model from Seattle to Las Vegas?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Las Vegas is Boeing 737-800 Passenger/BBJ2 (winglets), representing 18.45% of all bookings. The subsequent popular models are Airbus A320neo at 16.85%, Boeing 737-900 at 13.21%, and Boeing 737-900 Passenger/BBJ3 (winglets) at 10.99%.
What is the most popular airline from Seattle to Las Vegas?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Las Vegas is Spirit Airlines (55% of total bookings). The next most popular airline is Alaska Airlines (45%).
Best airlines flying from Seattle to Las Vegas
Compare and see reviews for airlines that fly from Seattle to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £42 | Free Cancellation | Rating 6.3 8,054 reviews | |||
| PriceFrom £85 | Free Cancellation | Rating 8.0 10,000 reviews |
Alaska Airlines Flights From Seattle to Las Vegas
Alaska Airlines operates around 24 flights from Seattle to Las Vegas every week. The average price of these flights found in the last 72 hours has been £241, but momondo users have found Alaska Airlines deals from Seattle to Las Vegas from as low as £116 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.
Spirit Airlines Flights From Seattle to Las Vegas
Spirit Airlines (6.3/10 from 8,054 reviews) operates around 7 flights from Seattle to Las Vegas in any given week. The average Spirit Airlines airfare for this route is around £92, with deals from around £57 rare but found on momondo. Referenced prices are for round-trip Seattle to Las Vegas flight searches in the last 72 hours.
Travelling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Las Vegas?
Finding the right flight to Las Vegas from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Las Vegas quick and easy, saving you time and money.
Can I find flights from Seattle to Las Vegas with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Las Vegas flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Las Vegas?
momondo provides multiple filters to help you find the best flight to Las Vegas from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Las Vegas right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.