What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Seattle to Las Vegas on average per week?

136 flights are operational weekly from Seattle to Las Vegas as of October 2025. The most popular departure day for this route is Fri, with 32% of flights per week taking off on this day.

Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Aeromexico have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

United Airlines, Southwest, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 16% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

How many flights depart from Seattle to Las Vegas on average per day?

As of October 2025, 19 flights take off from Seattle and land in Las Vegas each day. The most common flight departure time for this route is 10:00, with 37% of daily flights taking off in the afternoon.

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 were last updated today.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

There is 1 operator available for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport as of October 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 license 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.

£17 Cheap Flights from Seattle to Las Vegas in 2025/26

Q: What is the typical price of a round-trip flight between Seattle and Las Vegas?

Prices are currently low for flights on this route. Typical prices usually range from £89 to £218. The lowest price recently found on this route was £74.

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07:20 - 09:55SEA-LAS

2h 35mdirect

15:55 - 18:47LAS-SEA

2h 52mdirect

£74Delta

Find Deal

Tue, 3 Mar - Thu, 5 Mar

20:10 - 22:46SEA-LAS

2h 36mdirect

19:00 - 21:54LAS-SEA

2h 54mdirect

£74Delta

Find Deal

Tue, 10 Mar - Wed, 11 Mar

07:20 - 09:58SEA-LAS

2h 38mdirect

06:00 - 08:49LAS-SEA

2h 49mdirect

£81Delta

Find Deal

Wed, 4 Feb - Sat, 7 Feb

06:25 - 12:25SEA-LAS

6h 00m2 stops

19:50 - 22:35LAS-SEA

2h 45mdirect

£85Southwest

Find Deal

Wed, 21 Jan - Fri, 23 Jan

05:00 - 12:35SEA-LAS

7h 35m1 stop

15:25 - 23:05LAS-SEA

7h 40m1 stop

£88Southwest

Find Deal

Sun, 1 Feb - Wed, 4 Feb

18:52 - 21:23SEA-LAS

2h 31mdirect

12:31 - 15:23LAS-SEA

2h 52mdirect

£89Alaska Airlines

Find Deal

Fri, 28 Nov - Tue, 2 Dec

06:25 - 12:25SEA-LAS

6h 00m2 stops

12:40 - 18:35LAS-SEA

5h 55m1 stop

£93Southwest

Find Deal

Wed, 21 Jan - Fri, 23 Jan

11:20 - 16:05SEA-LAS

4h 45m1 stop

05:50 - 11:05LAS-SEA

5h 15m1 stop

£96Southwest

Find Deal

Wed, 4 Feb - Sat, 7 Feb

15:50 - 20:26SEA-LAS

4h 36m1 stop

14:00 - 16:50LAS-SEA

2h 50mdirect

£104Alaska Airlines

Find Deal

Tue, 3 Mar - Wed, 4 Mar

07:15 - 12:33SEA-LAS

5h 18m1 stop

15:50 - 20:46LAS-SEA

4h 56m1 stop

£140United Airlines

Find Deal

Wed, 4 Mar - Sat, 7 Mar

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets

Southwest

21 Jan

SEA06:25Seattle/Tacoma Intl

6h 00m

2 stops

LAS12:25Las Vegas Harry Reid Intl

23 Jan

LAS19:50Las Vegas Harry Reid Intl

2h 45m

SEA22:35Seattle/Tacoma Intl

£85

Find similar

Southwest

1 Feb

SEA05:00Seattle/Tacoma Intl

7h 35m

1 stop

LAS12:35Las Vegas Harry Reid Intl

4 Feb

LAS15:25Las Vegas Harry Reid Intl

7h 40m

1 stop

SEA23:05Seattle/Tacoma Intl

£88

Find similar

Southwest

21 Jan

SEA06:25Seattle/Tacoma Intl

6h 00m

2 stops

LAS12:25Las Vegas Harry Reid Intl

23 Jan

LAS12:40Las Vegas Harry Reid Intl

5h 55m

1 stop

SEA18:35Seattle/Tacoma Intl

£93

Find similar

Alaska Airlines flights from Seattle to Las Vegas

Our best Alaska Airlines deals on Seattle to Las Vegas flight tickets

Alaska Airlines

28 Nov

SEA18:52Seattle/Tacoma Intl

2h 31m

LAS21:23Las Vegas Harry Reid Intl

2 Dec

LAS12:31Las Vegas Harry Reid Intl

2h 52m

SEA15:23Seattle/Tacoma Intl

£89

Find similar

Alaska Airlines

3 Mar

SEA15:50Seattle/Tacoma Intl

4h 36m

1 stop

LAS20:26Las Vegas Harry Reid Intl

4 Mar

LAS14:00Las Vegas Harry Reid Intl

2h 50m

SEA16:50Seattle/Tacoma Intl

£104

Find similar

Alaska Airlines

3 Dec

SEA20:18Seattle/Tacoma Intl

2h 35m

LAS22:53Las Vegas Harry Reid Intl

5 Dec

LAS20:56Las Vegas Harry Reid Intl

10h 04m

1 stop

SEA07:00Seattle/Tacoma Intl

£112

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 3/3

07:20-09:55

Nonstop2h 35m

Las Vegas Harry Reid Intl

Thu 5/3

15:55-18:47

Nonstop2h 52m

£74

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 10/3

20:10-22:46

Nonstop2h 36m

Las Vegas Harry Reid Intl

Wed 11/3

19:00-21:54

Nonstop2h 54m

£74

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/2

07:20-09:58

Nonstop2h 38m

Las Vegas Harry Reid Intl

Sat 7/2

06:00-08:49

Nonstop2h 49m

£81

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 21/1

06:25-12:25

2 stops6h 00m

Las Vegas Harry Reid Intl

Fri 23/1

19:50-22:35

Nonstop2h 45m

£85

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 1/2

05:00-12:35

1 stop7h 35m

Las Vegas Harry Reid Intl

Wed 4/2

15:25-23:05

1 stop7h 40m

£88

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 28/11

18:52-21:23

Nonstop2h 31m

Las Vegas Harry Reid Intl

Tue 2/12

12:31-15:23

Nonstop2h 52m

£89

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 21/1

06:25-12:25

2 stops6h 00m

Las Vegas Harry Reid Intl

Fri 23/1

12:40-18:35

1 stop5h 55m

£93

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/2

11:20-16:05

1 stop4h 45m

Las Vegas Harry Reid Intl

Sat 7/2

05:50-11:05

1 stop5h 15m

£96

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 3/3

15:50-20:26

1 stop4h 36m

Las Vegas Harry Reid Intl

Wed 4/3

14:00-16:50

Nonstop2h 50m

£104

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/3

07:15-12:33

1 stop5h 18m

Las Vegas Harry Reid Intl

Sat 7/3

15:50-20:46

1 stop4h 56m

£140

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Seattle and Las Vegas?

What is the cheapest month to fly to Las Vegas?

In general, February is the cheapest month to fly from Seattle to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £137. If you’re not able to fly to Las Vegas in February, then November is your next best option. Flight prices from Seattle to Las Vegas during November average around £143.

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

The cheapest day to depart on your flight to Las Vegas is on a Friday when prices can be found for as low as £101. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £245.

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

Our data shows that the cheapest Seattle to Las Vegas flights are usually those with departure times at midday. Our users have found flights to Las Vegas at midday for as low as £70. Flights to Las Vegas are more costly in the evening, with an average ticket price of £225. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 £156 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 £128 on momondo.

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

There are 4 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 October 2025, prices for Seattle to Las Vegas flights are approximately 107% more expensive 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 25m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in Las Vegas	1 airport

The fastest flight from Seattle to Las Vegas takes 2h 25m

Direct flights go from Seattle to Las Vegas on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

Search flight deals

How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?
Seattle/Tacoma Intl and Las Vegas Harry Reid Intl are 871.3 mi apart from one another. By plane, this route typically takes 2h 26m.
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 were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
There is 1 operator available for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport as of October 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 license 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?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Las Vegas is Boeing 737-800 Passenger/BBJ2 (winglets), representing 21.47% of all bookings. The subsequent popular models are Boeing 737-900 at 14.07%, Boeing 737-900 Passenger/BBJ3 (winglets) at 13.55%, and Airbus A321neo at 10.01%.
What is the most popular airline from Seattle to Las Vegas?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Las Vegas is Alaska Airlines (100% of total bookings).

Best airlines flying from Seattle to Las Vegas

Compare and see reviews for airlines that fly from Seattle to Las Vegas with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom £124	Free Cancellation	Rating 8.0 11,217 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Seattle to Las Vegas
Alaska Airlines operates around 16 flights from Seattle to Las Vegas every week. The average price of these flights found in the last 72 hours has been £140, but momondo users have found Alaska Airlines deals from Seattle to Las Vegas from as low as £124 round-trip. Alaska Airlines has been scored 8.0/10 in 11,217 reviews.

Henderson

Kingman

Paradise

Laughlin

North Las Vegas

Mesquite

Boulder City

Furnace Creek

Mount Charleston

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. momondo allows you to filter the results for Seattle to Las Vegas flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Las Vegas from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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 not ready to book a flight from Seattle to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.

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Cheap flights from Seattle to Las Vegas from £41

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 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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 typical price of a round-trip flight between Seattle and Las Vegas?

What is the cheapest month to fly to Las Vegas?

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

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

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?

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

There are 4 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 October 2025, prices for Seattle to Las Vegas flights are approximately 107% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

United Airlines, Southwest, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 16% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Aeromexico have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

How many flights depart from Seattle to Las Vegas on average per day?

As of October 2025, 19 flights take off from Seattle and land in Las Vegas each day. The most common flight departure time for this route is 10:00, with 37% of daily flights taking off in the afternoon.

How many flights depart from Seattle to Las Vegas on average per week?

136 flights are operational weekly from Seattle to Las Vegas as of October 2025. The most popular departure day for this route is Fri, with 32% of flights per week taking off on this day.

When to book flights from Seattle to Las Vegas

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

Direct flights

Airports in Las Vegas

How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly 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?

What is the most popular plane model from Seattle to Las Vegas?

What is the most popular airline from Seattle to Las Vegas?

Best airlines flying from Seattle to Las Vegas

Compare and see reviews for airlines that fly from Seattle to Las Vegas with momondo

Alaska Airlines Flights From Seattle to Las Vegas

Travelling to a place near Las Vegas?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Las Vegas?

Can I find flights from Seattle to Las Vegas with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Nevada