£51 Cheap Flights from Las Vegas (LAS) to Seattle (SEA)

View £51 flight on Wed, 29 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £51 for one-way flights and £98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 24 Oct - Mon, 27 Oct
LAS
Las Vegas
SEA
Seattle
£98 Return, found 1 day ago
£98
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 24 Oct from Las Vegas to Seattle, returning Mon, 27 Oct, priced at £98 found 1 day ago
Alaska Airlines
Fri, 5 Dec - Mon, 8 Dec
LAS
Las Vegas
SEA
Seattle
£121 Return, found 2 days ago
£121
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 5 Dec from Las Vegas to Seattle, returning Mon, 8 Dec, priced at £121 found 2 days ago
Alaska Airlines
Tue, 9 Dec - Fri, 12 Dec
LAS
Las Vegas
SEA
Seattle
£122 Return, found 4 days ago
£122
Return
found 4 days ago
Select Alaska Airlines flight, departing Tue, 9 Dec from Las Vegas to Seattle, returning Fri, 12 Dec, priced at £122 found 4 days ago
Alaska Airlines
Fri, 23 Jan - Fri, 30 Jan
LAS
Las Vegas
SEA
Seattle
£124 Return, found 5 hours ago
£124
Return
found 5 hours ago
Select Alaska Airlines flight, departing Fri, 23 Jan from Las Vegas to Seattle, returning Fri, 30 Jan, priced at £124 found 5 hours ago
Alaska Airlines
Wed, 15 Oct - Wed, 22 Oct
LAS
Las Vegas
SEA
Seattle
£132 Return, found 6 days ago
£132
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 15 Oct from Las Vegas to Seattle, returning Wed, 22 Oct, priced at £132 found 6 days ago
Alaska Airlines
Fri, 23 Jan - Fri, 30 Jan
LAS
Las Vegas
SEA
Seattle
£136 Return, found 5 hours ago
£136
Return
found 5 hours ago
Select Alaska Airlines flight, departing Fri, 23 Jan from Las Vegas to Seattle, returning Fri, 30 Jan, priced at £136 found 5 hours ago
Alaska Airlines
Fri, 14 Nov - Mon, 17 Nov
LAS
Las Vegas
SEA
Seattle
£146 Return, found 3 days ago
£146
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 14 Nov from Las Vegas to Seattle, returning Mon, 17 Nov, priced at £146 found 3 days ago
Alaska Airlines
Wed, 15 Oct - Wed, 22 Oct
LAS
Las Vegas
SEA
Seattle
£147 Return, found 6 days ago
£147
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 15 Oct from Las Vegas to Seattle, returning Wed, 22 Oct, priced at £147 found 6 days ago
JetBlue Airways
Fri, 26 Sept - Fri, 3 Oct
LAS
Las Vegas
SEA
Seattle
£331 Return, found 1 day ago
£331
Return
found 1 day ago
Select JetBlue Airways flight, departing Fri, 26 Sept from Las Vegas to Seattle, returning Fri, 3 Oct, priced at £331 found 1 day ago
Hawaiian Airlines
Fri, 23 Jan - Fri, 30 Jan
LAS
Las Vegas
SEA
Seattle
£600 Return, found 5 hours ago
£600
Return
found 5 hours ago
Select Hawaiian Airlines flight, departing Fri, 23 Jan from Las Vegas to Seattle, returning Fri, 30 Jan, priced at £600 found 5 hours ago

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

October is typically the cheapest month to fly

From £30 - £110 per traveller.
Flight from Las Vegas to Seattle route information
Origin airport
Harry Reid Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Hawaiian Airlines, JetBlue Airways
Return price
£98
Distance
1385 km
Average flight time
2 hours 42 mins

Compare flights from Las Vegas to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Las Vegas to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Harry Reid Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Harry Reid Intl. (LAS) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Las Vegas to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Harry Reid Intl. to Seattle - Tacoma Intl. start at just £98 and range up to £600.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Las Vegas and Seattle
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Las Vegas to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Harry Reid Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from LAS to Sea-Tac Airport?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Harry Reid Airport (formerly McCarran Airport) and Sea-Tac Airport start from £98. Make your booking today to score the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAS to Seattle - Tacoma Intl. Airport (SEA)?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee varies between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Harry Reid Airport (formerly McCarran Airport) to Sea-Tac 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 Harry Reid Airport (formerly McCarran Airport) to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from McCarran Intl. Airport (LAS) to Seattle - Tacoma Intl. Airport (SEA)?
Put your seat back, choose an in-flight movie and 2 hours and 47 minutes will fly by before you know it. That's how long it takes to jet to SEA from McCarran Airport.
How far is the flight from LAS to Sea-Tac Airport?
A flight distance of just 1,400 kilometres separates Las Vegas and SeaTac. Once you're in the air, you won't have time to do much more than browse the magazine in your seat-back pocket.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to Sea-Tac Airport?
It's easy to fly directly from Harry Reid Airport (formerly McCarran Airport) to SEA. Here are the top carriers that operate nonstop services on this route:

  • 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 78 monthly flights

Are Harry Reid Airport (formerly McCarran Airport) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap airfares from Harry Reid Airport (formerly McCarran Airport) to Sea-Tac Airport showing up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline releases prices so far in advance.

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