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

View AU$114 flight on Wed, 19 Aug 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 16 Sept - Sat, 19 Sept
SEA
Seattle
LAS
Las Vegas
AU$228 Return, found 1 day ago
AU$228
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 16 Sept from Seattle to Las Vegas, returning Sat, 19 Sept, priced at AU$228 found 1 day ago
Delta
Thu, 27 Aug - Thu, 3 Sept
SEA
Seattle
LAS
Las Vegas
AU$250 Return, found 5 days ago
AU$250
Return
found 5 days ago
Select Delta flight, departing Thu, 27 Aug from Seattle to Las Vegas, returning Thu, 3 Sept, priced at AU$250 found 5 days ago
American Airlines
Tue, 22 Sept - Fri, 25 Sept
SEA
Seattle
LAS
Las Vegas
AU$255 Return, found 6 days ago
AU$255
Return
found 6 days ago
Select American Airlines flight, departing Tue, 22 Sept from Seattle to Las Vegas, returning Fri, 25 Sept, priced at AU$255 found 6 days ago
Delta
Thu, 6 Aug - Tue, 11 Aug
SEA
Seattle
LAS
Las Vegas
AU$259 Return, found 6 days ago
AU$259
Return
found 6 days ago
Select Delta flight, departing Thu, 6 Aug from Seattle to Las Vegas, returning Tue, 11 Aug, priced at AU$259 found 6 days ago
Delta
Wed, 26 Aug - Wed, 2 Sept
SEA
Seattle
LAS
Las Vegas
AU$292 Return, found 2 days ago
AU$292
Return
found 2 days ago
Select Delta flight, departing Wed, 26 Aug from Seattle to Las Vegas, returning Wed, 2 Sept, priced at AU$292 found 2 days ago
Delta
Thu, 27 Aug - Thu, 3 Sept
SEA
Seattle
LAS
Las Vegas
AU$293 Return, found 5 days ago
AU$293
Return
found 5 days ago
Select Delta flight, departing Thu, 27 Aug from Seattle to Las Vegas, returning Thu, 3 Sept, priced at AU$293 found 5 days ago
Alaska Airlines
Sun, 2 Aug - Sat, 8 Aug
SEA
Seattle
LAS
Las Vegas
AU$297 Return, found 2 days ago
AU$297
Return
found 2 days ago
Select Alaska Airlines flight, departing Sun, 2 Aug from Seattle to Las Vegas, returning Sat, 8 Aug, priced at AU$297 found 2 days ago
Alaska Airlines
Thu, 13 Aug - Mon, 17 Aug
SEA
Seattle
LAS
Las Vegas
AU$307 Return, found 6 days ago
AU$307
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Seattle to Las Vegas, returning Mon, 17 Aug, priced at AU$307 found 6 days ago
Alaska Airlines
Thu, 13 Aug - Mon, 17 Aug
SEA
Seattle
LAS
Las Vegas
AU$308 Return, found 6 days ago
AU$308
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Seattle to Las Vegas, returning Mon, 17 Aug, priced at AU$308 found 6 days ago
United
Thu, 27 Aug - Thu, 3 Sept
SEA
Seattle
LAS
Las Vegas
AU$323 Return, found 5 days ago
AU$323
Return
found 5 days ago
Select United flight, departing Thu, 27 Aug from Seattle to Las Vegas, returning Thu, 3 Sept, priced at AU$323 found 5 days ago

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 centre is 6 minutes. Flights from AU$392
LAS
McCarran Intl.
CheapestClosest
Average driving time to city centre6 min
Flights from AU$392

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

August is typically the cheapest month to fly

From AU$95 - AU$190 per traveller.

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 one-way and return flights from SEA to LAS with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to LAS ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA) to Las Vegas, NV (LAS)?
The cheapest months to fly from Seattle, WA (SEA) to Las Vegas, NV (LAS) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You have 3 airlines offering direct flights from Seattle - Tacoma Intl. (SEA) to Las Vegas, NV (LAS-Harry Reid Intl.). Here are the carriers:
  • Delta operates 35 direct flights from Seattle - Tacoma Intl. (SEA) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
  • Southwest Airlines operates 21 direct flights from Seattle - Tacoma Intl. (SEA) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
  • Frontier Airlines operates 8 direct flights from Seattle - Tacoma Intl. (SEA) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
How do I find cheap flights from Seattle, WA (SEA) to Las Vegas, NV (LAS)?
To find a cheap flight from Seattle, WA (SEA) to Las Vegas, NV (LAS), 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-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), 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) to Las Vegas, NV (LAS)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll find around 9 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Harry Reid Intl. (LAS). For even more choices, look at flights that include layovers, as there are approximately 125 connecting flights per day. Some common connection points include San Francisco Intl. (SFO), Denver Intl. (DEN), and Sky Harbor Intl. (PHX).
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 Intl. (SEA) to Harry Reid International Airport (LAS) typically departs around 12:05 AM. This service is operated by American Airlines and is a seasonal service active in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Harry Reid International Airport (LAS) on a Friday, with around 122 flights available. This gives you plenty of options for your travel plans. Friday offers notably more flight options compared to other days of the week. Major airlines on this route include Alaska Airlines, United, and Southwest Airlines.
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 in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Southwest Airlines and Delta, offer flights during this window. Many travelers prefer these times because you can get an early start to your day in Las Vegas.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A non-stop flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) typically takes around 2 hours 30 minutes. This route covers a distance of approximately 1394 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 7 hours 30 minutes, while flights with two or more stops can take about 11 hours. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You can fly business class or first class between SEA and LAS. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Alaska Airlines
  • Delta
  • American Airlines
First class cabins are available on:
  • Alaska Airlines
  • United
  • Delta
  • Hawaiian Airlines
  • American Airlines
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, NV (LAS) from Seattle, WA (SEA)?
If you're planning to travel to Las Vegas from Seattle - Tacoma Intl. (SEA), you can fly directly into Harry Reid International Airport (LAS). Some flights may connect through major hubs like Sacramento Intl. (SMF), Norman Y. Mineta San Jose Intl. (SJC), or 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.) flight and hotel package 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) to Las Vegas, NV (LAS)?
If you booked your Seattle, WA (SEA) to Las Vegas, NV (LAS) 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, United
Return price
AU$218
Distance
1385 km
Average flight time
2 hours 33 mins

Book with confidence

Your quick guide to flights from Seattle to Las Vegas

Pick up great flights from Seattle to Las Vegas

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Las Vegas. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Las Vegas that take around hours.

Find cheap flights from Seattle to Las Vegas

From the great flight deals with prices currently ranging from AU$228 to AU$323, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Las Vegas around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Las Vegas is normally in September.

Reasons to book your flight from Seattle to Las Vegas with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Las Vegas across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Las Vegas right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Seattle to Las Vegas

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*Available to Expedia members.