£66 Cheap Flights from Seattle (SEA) to Las Vegas (LAS)

View £66 flight on Wed, 3 Jun 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 (SEA) to Las Vegas (LAS)

Prices were available within the past 7 days and start at £66 for one-way flights and £100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 14 Jun - Mon, 15 Jun
SEA
Seattle
LAS
Las Vegas
£100 Return, found 5 days ago
£100
Return
found 5 days ago
Select Delta flight, departing Sun, 14 Jun from Seattle to Las Vegas, returning Mon, 15 Jun, priced at £100 found 5 days ago
Delta
Fri, 12 Jun - Sat, 13 Jun
SEA
Seattle
LAS
Las Vegas
£102 Return, found 5 days ago
£102
Return
found 5 days ago
Select Delta flight, departing Fri, 12 Jun from Seattle to Las Vegas, returning Sat, 13 Jun, priced at £102 found 5 days ago
Delta
Sun, 14 Jun - Mon, 15 Jun
SEA
Seattle
LAS
Las Vegas
£116 Return, found 5 days ago
£116
Return
found 5 days ago
Select Delta flight, departing Sun, 14 Jun from Seattle to Las Vegas, returning Mon, 15 Jun, priced at £116 found 5 days ago
Delta
Sun, 14 Jun - Mon, 15 Jun
SEA
Seattle
LAS
Las Vegas
£138 Return, found 5 days ago
£138
Return
found 5 days ago
Select Delta flight, departing Sun, 14 Jun from Seattle to Las Vegas, returning Mon, 15 Jun, priced at £138 found 5 days ago
Alaska Airlines
Sun, 14 Jun - Mon, 15 Jun
SEA
Seattle
LAS
Las Vegas
£164 Return, found 5 days ago
£164
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 14 Jun from Seattle to Las Vegas, returning Mon, 15 Jun, priced at £164 found 5 days ago
Alaska Airlines
Sat, 30 May - Sat, 6 Jun
SEA
Seattle
LAS
Las Vegas
£165 Return, found 1 day ago
£165
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 30 May from Seattle to Las Vegas, returning Sat, 6 Jun, priced at £165 found 1 day ago
Delta
Fri, 12 Jun - Mon, 22 Jun
SEA
Seattle
LAS
Las Vegas
£168 Return, found 5 days ago
£168
Return
found 5 days ago
Select Delta flight, departing Fri, 12 Jun from Seattle to Las Vegas, returning Mon, 22 Jun, priced at £168 found 5 days ago
United
Sun, 24 May - Wed, 27 May
SEA
Seattle
LAS
Las Vegas
£228 Return, found 22 hours ago
£228
Return
found 22 hours ago
Select United flight, departing Sun, 24 May from Seattle to Las Vegas, returning Wed, 27 May, priced at £228 found 22 hours ago
American Airlines
Thu, 7 May - Sat, 9 May
SEA
Seattle
LAS
Las Vegas
£272 Return, found 5 days ago
£272
Return
found 5 days ago
Select American Airlines flight, departing Thu, 7 May from Seattle to Las Vegas, returning Sat, 9 May, priced at £272 found 5 days ago
JetBlue Airways
Sat, 30 May - Sat, 6 Jun
SEA
Seattle
LAS
Las Vegas
£462 Return, found 1 day ago
£462
Return
found 1 day ago
Select JetBlue Airways flight, departing Sat, 30 May from Seattle to Las Vegas, returning Sat, 6 Jun, priced at £462 found 1 day ago

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

May is typically the cheapest month to fly

From £42 - £163 per traveller.

Frequently asked questions

How much is a flight from SEA to Harry Reid Airport (formerly McCarran Airport)?
Round-trip tickets between Seattle - Tacoma Intl. Airport (SEA) and LAS start from £100. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to LAS?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Airport (formerly McCarran Airport) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Airport (formerly McCarran Airport) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Sea-Tac Airport to McCarran Intl. Airport (LAS)?
It only takes around 2 hours and 28 minutes to journey from SEA to McCarran Intl. Airport (LAS). Recline your seat and get comfortable — but not too comfortable. You'll be touching down in Las Vegas in no time.
How far is the flight from Sea-Tac Airport to LAS?
It's just 1,400 kilometres between Seattle - Tacoma Intl. Airport (SEA) and LAS. Chances are you'll spend more time travelling to and from the airport than actually flying!
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Airport (formerly McCarran Airport)?
Check out the deals on offer with these top carriers and book your ticket from Seattle - Tacoma Intl. Airport (SEA) to LAS today:

  • Alaska Airlines - (AS) with 230 monthly flights
  • Delta Air Lines - (DL) with 152 monthly flights
  • Spirit Airlines - (NK) with 86 monthly flights
  • Southwest Airlines - (WN) with 86 monthly flights

Are SEA to LAS flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes find a bargain, with some super cheap fares from Seattle - Tacoma Intl. Airport (SEA) to LAS emerging a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline advertises prices that far in advance.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
One-way flights typically cost between £140 and £848 and return flights often range between £293 and £1,723. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
January is typically the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), with average return fares of approximately £272. This is about 21% lower than the average price throughout the year. January often sees lower prices because it falls after the busy holiday travel season, when demand for flights tends to decrease. Other cheap months to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) include February and September.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Enter SEA to LAS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveller to traveller. If you like to fly early, DL offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. WN offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), which is brilliant 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 looking for the best time to fly from Seattle - Tacoma Intl. (SEA) to Harry Reid Intl. (LAS), it's a balance between price and popularity. Based on booking data from the past year, January and September are typically the cheapest months, with average return flights around £272. However, March and December are the most popular months for this route, meaning you'll find plenty of flight options, though prices might be higher. If you're prioritizing savings, aim for January or September, but if you want the widest selection of flights, March or December will offer more choices.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are approximately 9 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Harry Reid Intl. (LAS). For even more choice, look at flights that include layovers, as there are around 127 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 at approximately 12:05 AM local time, operated by American Airlines. This is a seasonal service active in February. An early departure like this can help you maximise 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 121 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United Airlines, and Southwest Airlines. Fridays offer notably more flight options compared to other days of the week.
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 Las Vegas, NV (LAS-Harry Reid Intl.) are in the early morning, from 6am to 9am. Approximately 23% of passengers prefer this time window. Many major carriers, including Alaska Airlines, Delta Air Lines and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Las Vegas early, giving you a full day to enjoy your destination.
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.)?
Select the "Business class" and "First class" filters when looking for SEA to LAS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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, WA (SEA-Seattle - Tacoma Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) typically costs between £951 - £1,953. A non-stop, one-way business class flight is usually around £718 - £1,649. 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. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
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)?
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), 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-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, JetBlue Airways, United
Return price
£97
Distance
1385 km
Average flight time
2 hours 33 mins

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