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Cheap flights from Seattle to Las Vegas from £52

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
13 Mar — 20 Mar1
1 adult

The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in September or October, booked 35 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 March 2025.

Round-trip from

£52

Popular in

December

Cheapest in

September

Average price

£131

Good one-way deal

£89 or less
Spirit Airlines
  • Spirit Airlines
  • 1/4-15/4
  • Nonstop
  • 5h 10m total
  • Seattle to Las Vegas
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Highest demand for flights based on searches. 8% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
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Find flight deals from Seattle to Las Vegas

Cheapest flights from Seattle to Las Vegas
Explore the most affordable flight options available from Seattle to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2025.

Tue 1/409:48SEA - LAS
Nonstop2h 26mSpirit Airlines
Tue 15/408:51LAS - SEA
Nonstop2h 44mSpirit Airlines
Deal found 8/3£52
Tue 1/412:34SEA - LAS
Nonstop2h 32mAlaska Airlines
Tue 1/417:50LAS - SEA
Nonstop2h 45mAlaska Airlines
Deal found 7/3£117
Sat 12/420:35SEA - LAS
Nonstop2h 27mDelta
Wed 16/406:10LAS - SEA
Nonstop2h 45mDelta
Deal found 7/3£129
Sat 3/512:45SEA - LAS
1 stop5h 06mUnited Airlines
Tue 6/516:08LAS - SEA
1 stop5h 49mUnited Airlines
Deal found 7/3£130
Sat 10/511:39SEA - LAS
Nonstop2h 32mHawaiian Airlines
Sat 10/517:34LAS - SEA
Nonstop2h 46mHawaiian Airlines
Deal found 7/3£132
Sun 4/506:45SEA - LAS
2 stops6h 05mSouthwest
Thu 8/521:40LAS - SEA
Nonstop2h 45mSouthwest
Deal found 7/3£133

Find flights from Seattle to Las Vegas within your budget

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, Cheapflights users made 858,174 searches. Data last updated 8 March 2025.

Fly from

Seattle

Fly to

Las Vegas

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/4

09:48-12:14

Nonstop2h 26m

Las Vegas Harry Reid Intl

Tue 15/4

08:51-11:35

Nonstop2h 44m

£52

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/4

12:34-15:06

Nonstop2h 32m

Las Vegas Harry Reid Intl

Tue 1/4

17:50-20:35

Nonstop2h 45m

£117

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 12/4

20:35-23:02

Nonstop2h 27m

Las Vegas Harry Reid Intl

Thu 17/4

06:10-08:55

Nonstop2h 45m

£129

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 3/5

12:45-17:51

1 stop5h 06m

Las Vegas Harry Reid Intl

Mon 5/5

16:08-21:57

1 stop5h 49m

£130

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 10/5

11:39-14:11

Nonstop2h 32m

Las Vegas Harry Reid Intl

Sat 10/5

17:34-20:20

Nonstop2h 46m

£132

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 4/5

06:45-12:50

2 stops6h 05m

Las Vegas Harry Reid Intl

Thu 8/5

21:40-00:25

Nonstop2h 45m

£133

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 8/4

20:05-22:35

Nonstop2h 30m

£61

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 3/5

12:45-17:51

1 stop5h 06m

£65

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 29/4

05:45-12:40

2 stops6h 55m

£73

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 5/5

13:45-18:32

1 stop4h 47m

£76

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 11 results
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Best time to book a flight from Seattle to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Las Vegas

Get recent, data-driven insights about flights from Seattle to Las Vegas including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Las Vegas?

Use this chart to determine the optimal time to book a return flight from Seattle to Las Vegas. Price data was last updated on 28 February 2025.

The best time to book flights from Seattle to Las Vegas is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of £689). Flying from Seattle to Las Vegas in July is currently the most expensive (average of £1,020). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to LAS?

Find hourly flight availability from Seattle to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 March 2025.

It’s typically best to fly out from Seattle to Las Vegas at midday. Doing so could potentially save you 65% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 8 March 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Seattle to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very Good
4,311 reviews
Southwest
8.1
Very Good
4,311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very Good
9,718 reviews
Southwest
8.1
Very Good
4,311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very Good
8,024 reviews
Southwest
8.1
Very Good
4,311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,319 reviews
Southwest
8.1
Very Good
4,311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,649 reviews
Southwest
8.1
Very Good
4,311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Las Vegas?

    If you book a flight from Seattle to Las Vegas, you will be flying from Seattle/Tacoma Intl to Harry Reid Intl. Flights to Las Vegas Harry Reid Intl (LAS) from Seattle/Tacoma Intl (SEA) take 2h 29m for a nonstop flight. There are 26 flights from Seattle/Tacoma Intl to Las Vegas per day from 2 airlines.

  • How popular is this Seattle to Las Vegas flight route?

    This flight path from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl was viewed by 36 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Seattle to Las Vegas round-trip?

    According to our current data, Spirit Airlines (£52), Alaska Airlines (£117), and Delta (£129) offers the cheapest pricing from Seattle to Las Vegas. Users have found that Spirit Airlines is 63% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Las Vegas one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as £61. Users have also found prices from £65 and £73 on United Airlines and Southwest, respectively.

  • What are the most reliable airlines from Seattle to Las Vegas?

    Consider Icelandair (88%), Korean Air (86%) or KLM (86%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Las Vegas.

  • What are the cheapest flights from Seattle to Las Vegas?

    While on average a flight from Seattle to Las Vegas is generally £105, our data shows the cheapest flight currently is £16. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay £308 for that flight.

  • Can I find deals for flights from Seattle to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Seattle to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Las Vegas.

  • Can I find deals for business class flights from Seattle to Las Vegas?

    Yes. Cheapflights offers flight deals from Seattle to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of £689). Flying from Seattle to Las Vegas in July is currently the most expensive (average of £1,020). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Kingman
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Alternative routes for Seattle to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Las Vegas flights

Top 2 airlines flying from Seattle to Las Vegas

Discover the top 2 airlines that operate flights from Seattle to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£44Average£90FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest£90Average£193FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Las Vegas?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Las Vegas?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Seattle.

Can Cheapflights find flights from Seattle to Las Vegas with no change fees?

Need flexible booking options for your flight to Las Vegas from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Las Vegas become cheaper?

Yes! Start tracking prices for Seattle to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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