Cheap flights from Seattle to Las Vegas from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Las Vegas departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Delta Logo
20:20 - 22:53
SEA
-
LAS
2h 33mdirect
Delta Logo
06:00 - 08:46
LAS
-
SEA
2h 46mdirect
$168Delta
Mon, 23 Mar - Fri, 3 Apr
Southwest Logo
11:15 - 18:00
SEA
-
LAS
6h 45m
1 stop
Southwest Logo
10:10 - 13:05
LAS
-
SEA
2h 55mdirect
$182Southwest
Tue, 17 Mar - Tue, 24 Mar
Southwest Logo
06:15 - 08:45
SEA
-
LAS
2h 30mdirect
Southwest Logo
17:40 - 23:50
LAS
-
SEA
6h 10m
2 stops
$189Southwest
Sun, 15 Mar - Thu, 19 Mar
Southwest Logo
06:05 - 10:55
SEA
-
LAS
4h 50m
1 stop
Southwest Logo
16:00 - 23:10
LAS
-
SEA
7h 10m
1 stop
$197Southwest
Mon, 2 Mar - Wed, 11 Mar
Southwest Logo
09:25 - 15:25
SEA
-
LAS
6h 00m
2 stops
Southwest Logo
22:35 - 01:20
LAS
-
SEA
2h 45mdirect
$204Southwest
Wed, 18 Mar - Sat, 21 Mar
Southwest Logo
12:45 - 19:00
SEA
-
LAS
6h 15m
1 stop
Southwest Logo
06:35 - 14:10
LAS
-
SEA
7h 35m
1 stop
$211Southwest
Wed, 4 Mar - Sat, 7 Mar
Southwest Logo
09:25 - 15:25
SEA
-
LAS
6h 00m
2 stops
Southwest Logo
20:20 - 01:40
LAS
-
SEA
5h 20m
1 stop
$218Southwest
Wed, 18 Mar - Mon, 23 Mar
Southwest Logo
14:15 - 16:40
SEA
-
LAS
2h 25mdirect
Southwest Logo
11:40 - 14:30
LAS
-
SEA
2h 50mdirect
$225Southwest
Thu, 26 Feb - Thu, 5 Mar
Southwest Logo
06:35 - 13:25
SEA
-
LAS
6h 50m
2 stops
Southwest Logo
20:20 - 01:40
LAS
-
SEA
5h 20m
1 stop
$232Southwest
Sat, 7 Mar - Mon, 9 Mar
Alaska Airlines Logo
20:20 - 22:56
SEA
-
LAS
2h 36mdirect
Alaska Airlines Logo
06:00 - 08:51
LAS
-
SEA
2h 51mdirect
$240Alaska Airlines
Wed, 4 Mar - Thu, 5 Mar

Alaska Airlines flights from Seattle to Las Vegas

Our best Alaska Airlines deals on Seattle to Las Vegas flight tickets
Alaska Airlines
4 Mar
SEA20:20Seattle/Tacoma Intl
2h 36m
LAS22:56Las Vegas Harry Reid Intl
5 Mar
LAS06:00Las Vegas Harry Reid Intl
2h 51m
SEA08:51Seattle/Tacoma Intl
$240
Alaska Airlines
28 Feb
SEA18:21Seattle/Tacoma Intl
4h 55m
1 stop
LAS23:16Las Vegas Harry Reid Intl
3 Mar
LAS11:01Las Vegas Harry Reid Intl
5h 56m
1 stop
SEA16:57Seattle/Tacoma Intl
$254
Alaska Airlines
31 Mar
SEA17:55Seattle/Tacoma Intl
4h 56m
1 stop
LAS22:51Las Vegas Harry Reid Intl
1 Apr
LAS07:00Las Vegas Harry Reid Intl
2h 51m
SEA09:51Seattle/Tacoma Intl
$258

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets
Southwest
17 Mar
SEA11:15Seattle/Tacoma Intl
6h 45m
1 stop
LAS18:00Las Vegas Harry Reid Intl
24 Mar
LAS10:10Las Vegas Harry Reid Intl
2h 55m
SEA13:05Seattle/Tacoma Intl
$182
Southwest
15 Mar
SEA05:00Seattle/Tacoma Intl
5h 45m
2 stops
LAS10:45Las Vegas Harry Reid Intl
20 Mar
LAS22:40Las Vegas Harry Reid Intl
2h 45m
SEA01:25Seattle/Tacoma Intl
$189
Southwest
2 Mar
SEA06:05Seattle/Tacoma Intl
4h 50m
1 stop
LAS10:55Las Vegas Harry Reid Intl
11 Mar
LAS08:10Las Vegas Harry Reid Intl
7h 35m
1 stop
SEA15:45Seattle/Tacoma Intl
$197

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 1 February 2026.
Use the filters below to find and compare flights from Seattle to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 23/3

20:20-22:53

Nonstop2h 33m

Las Vegas Harry Reid Intl

Fri 3/4

06:00-08:46

Nonstop2h 46m

$168

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 17/3

11:15-18:00

1 stop6h 45m

Las Vegas Harry Reid Intl

Tue 24/3

10:10-13:05

Nonstop2h 55m

$182

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 15/3

06:15-08:45

Nonstop2h 30m

Las Vegas Harry Reid Intl

Thu 19/3

17:40-23:50

2 stops6h 10m

$189

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 2/3

06:05-10:55

1 stop4h 50m

Las Vegas Harry Reid Intl

Wed 11/3

16:00-23:10

1 stop7h 10m

$197

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 18/3

09:25-15:25

2 stops6h 00m

Las Vegas Harry Reid Intl

Sat 21/3

22:35-01:20

Nonstop2h 45m

$204

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/3

12:45-19:00

1 stop6h 15m

Las Vegas Harry Reid Intl

Sat 7/3

06:35-14:10

1 stop7h 35m

$211

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 18/3

09:25-15:25

2 stops6h 00m

Las Vegas Harry Reid Intl

Mon 23/3

20:20-01:40

1 stop5h 20m

$218

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 26/2

14:15-16:40

Nonstop2h 25m

Las Vegas Harry Reid Intl

Thu 5/3

11:40-14:30

Nonstop2h 50m

$225

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 7/3

06:35-13:25

2 stops6h 50m

Las Vegas Harry Reid Intl

Mon 9/3

20:20-01:40

1 stop5h 20m

$232

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/3

20:20-22:56

Nonstop2h 36m

Las Vegas Harry Reid Intl

Thu 5/3

06:00-08:51

Nonstop2h 51m

$240

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

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 cheapest month to fly to Las Vegas?

The cheapest month to fly to Las Vegas from Seattle is in March. Flight prices, which tend to average around $268, are often lower during this time because this is during the off-season. If you aren’t able to travel to Las Vegas during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $283.

What is the cheapest day to depart on your flight to Las Vegas?

On average, the least expensive day to fly to Las Vegas from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $259. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Las Vegas is Tuesday, with ticket prices averaging around $328.

What is the cheapest time of day to depart on your flight to Las Vegas?

In the morning is the cheapest time of day to fly from Seattle to Las Vegas when you can find flight prices for as low as $439. Flying to Las Vegas in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $440.

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 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $302 when searching weeks before you fly. 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 $234 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

There are 3 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 have Seattle to Las Vegas flight prices changed over time?

As of February 2026, prices for Seattle to Las Vegas flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Fastest flight time

2h 33m

Direct flights

Every day

Airports in Las Vegas

1 airport
The fastest flight from Seattle to Las Vegas takes 2h 33m
Direct flights go from Seattle to Las Vegas every day.
There is 1 airport in Las Vegas. From Seattle there are direct flights to Las Vegas Harry Reid Intl (LAS).
  • How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?

    A flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl will travel around 1402.2 km. By plane, this route typically takes 2h 33m.

  • 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 refresh daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 licence 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?

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Furnace Creek
Primm

Why 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. All flights to Las Vegas from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Las Vegas?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Las Vegas.

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 simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Seattle and alert you when they change.

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1 adult
Tue 3/3
Tue 10/3

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Airports servicing Nevada