$28 Cheap Flights from Seattle (SEA) to Las Vegas (LAS)

View $28 flight on Sun, Apr 26, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Seattle to Las Vegas (SEA-LAS)

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 9 - Sat, May 16
SEA
Seattle
LAS
Las Vegas
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 9 from Seattle to Las Vegas, returning Sat, May 16, priced at $56 just found
Frontier Airlines
Mon, Apr 27 - Thu, May 7
SEA
Seattle
LAS
Las Vegas
$61 Roundtrip, just found
$61
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Apr 27 from Seattle to Las Vegas, returning Thu, May 7, priced at $61 just found
Frontier Airlines
Mon, Apr 27 - Thu, May 7
SEA
Seattle
LAS
Las Vegas
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Apr 27 from Seattle to Las Vegas, returning Thu, May 7, priced at $66 just found
Frontier Airlines
Mon, May 4 - Sat, May 9
SEA
Seattle
LAS
Las Vegas
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, May 4 from Seattle to Las Vegas, returning Sat, May 9, priced at $82 just found
Frontier Airlines
Sun, Apr 26 - Wed, Apr 29
SEA
Seattle
LAS
Las Vegas
$87 Roundtrip, just found
$87
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Apr 26 from Seattle to Las Vegas, returning Wed, Apr 29, priced at $87 just found
Frontier Airlines
Sun, Mar 29 - Fri, Apr 3
SEA
Seattle
LAS
Las Vegas
$87 Roundtrip, found 2 hours ago
$87
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Mar 29 from Seattle to Las Vegas, returning Fri, Apr 3, priced at $87 found 2 hours ago
Delta
Thu, May 7 - Sat, May 16
SEA
Seattle
LAS
Las Vegas
$102 Roundtrip, found 3 hours ago
$102
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, May 7 from Seattle to Las Vegas, returning Sat, May 16, priced at $102 found 3 hours ago
Southwest Airlines
Mon, May 4 - Thu, May 7
SEA
Seattle
LAS
Las Vegas
$102 Roundtrip, found 2 hours ago
$102
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Mon, May 4 from Seattle to Las Vegas, returning Thu, May 7, priced at $102 found 2 hours ago
Alaska Airlines
Sat, May 9 - Sat, May 16
SEA
Seattle
LAS
Las Vegas
$122 Roundtrip, just found
$122
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, May 9 from Seattle to Las Vegas, returning Sat, May 16, priced at $122 just found
American Airlines
Mon, Apr 20 - Tue, Apr 21
SEA
Seattle
LAS
Las Vegas
$159 Roundtrip, found 6 hours ago
$159
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Apr 20 from Seattle to Las Vegas, returning Tue, Apr 21, priced at $159 found 6 hours ago

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Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $137
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $137

Find the cheapest month to fly from Seattle (SEA) to Las Vegas (LAS)

January is typically the cheapest month to fly

From $54 - $108 per traveler.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
You can find cheap one-way flights from $28 and cheap return flights from $56 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) with Expedia. One-way flights generally range between $49 and $1192, and roundtrip flights usually range from $207 to $2274. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
January is the cheapest month to fly from Seattle, WA (SEA) to Las Vegas, NV (LAS), with average round-trip fares around $196. This price is about 20% lower than the average throughout the year, as many travelers return home after the holiday season. Other affordable months to consider are February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are 3 airlines offering direct flights from SEA to LAS:

  • Delta operates around 35 direct flights from SEA to LAS every week
  • Frontier Airlines operates around 11 direct flights from SEA to LAS every week
  • Hawaiian Airlines operates around 34 direct flights from SEA to LAS every week

What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Sun Country Airlines is one of the cheapest airlines offering nonstop flights from Seattle - Tacoma Intl. (SEA) to Harry Reid Intl. (LAS), with round-trip tickets starting from around $272. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Seattle, WA (SEA) to Las Vegas, NV (LAS) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from SEA to LAS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
When flying from Seattle (SEA) to Las Vegas (LAS), January and September are the best months to consider. Return flights during these months average around $196, providing excellent value. January is perfect for those looking to escape winter, while September offers warm weather and a lively atmosphere, enhancing your travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You can find approximately 9 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Harry Reid International Airport (LAS). For more options, look at flights that include layovers.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Seattle - Tacoma International Airport (SEA) to Harry Reid International Airport (LAS) typically departs at around 12:05 AM, operated by American Airlines. This is a seasonal service, so if you're looking to start your Las Vegas adventure early, this flight can help you maximize your time in the city. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Harry Reid Intl. (LAS) are from 12pm to 3pm. About 22% of passengers prefer this time window. Many major carriers, including United Airlines, Alaska Airlines, and Delta, offer flights during this window. This timing is favored because it allows you to enjoy a leisurely morning in Seattle before heading to Las Vegas.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Direct flights from SEA to LAS usually take about 2 hours 30 minutes, traveling roughly 866 miles. If you opt for a connecting flight, expect to add around 5 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Business class seats are offered on the SEA to LAS route with JetBlue Airways and American Airlines.First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines
  • Hawaiian Airlines

How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A direct, return business class ticket from Seattle (SEA) to Las Vegas (LAS) typically costs between $968 - $1,464. A non-stop, one-way business class flight is usually around $482 - $890 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from Seattle - Tacoma Intl. (SEA)?
From Seattle - Tacoma Intl. (SEA), you can fly into Harry Reid International Airport (LAS) to reach Las Vegas. Some flights may connect through major hubs like Norman Y. Mineta San Jose Intl. (SJC), Sacramento Intl. (SMF), Oakland Intl. (OAK) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) Las Vegas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$56
Distance
866 mi
Average flight time
2 hours 29 mins

Book with confidence

Seattle to Las Vegas Flights

The cheapest times to fly from Seattle to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Las Vegas are during the month of May. You can find some of the cheapest flights from Seattle to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Las Vegas

Sunday is one of the best days to book for cheap flights from Seattle to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Las Vegas in 2026. You can also book with separate airlines for your outbound and return journeys, from $28 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Las Vegas Flights

*Flight schedules are subject to change.

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*Available to One Key members.