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Cheap flights from Seattle to Las Vegas from C$ 103

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in September or October, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

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 12 June 2025.

Round-trip from

C$ 152

One-way from

C$ 103

Popular in

December

Cheapest in

September

Average price

C$ 283

Good round-trip deal

C$ 185 or less

Good one-way deal

C$ 110 or less
Spirit Airlines
  • Spirit Airlines
  • 11/7-15/7
  • Nonstop
  • 5h 13m total
  • Seattle to Las Vegas
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United Airlines
  • United Airlines
  • 24/9
  • 1 total stop
  • 6h 40m total
  • Seattle to Las Vegas
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Highest demand for flights based on searches. 6% potential increase in price (C$ 25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
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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 12 June 2025.

Fri 11/75:30 p.m.SEA - LAS
Nonstop2h 28mSpirit Airlines
Tue 15/71:40 p.m.LAS - SEA
Nonstop2h 45mSpirit Airlines
Deal found 11/6C$ 152
Fri 29/83:25 p.m.SEA - LAS
Nonstop2h 45mMultiple Airlines
Tue 2/91:10 p.m.LAS - SEA
Nonstop2h 43mMultiple Airlines
Deal found 10/6C$ 183
Tue 16/94:10 p.m.SEA - LAS
Nonstop2h 35mSouthwest
Fri 19/99:35 p.m.LAS - SEA
Nonstop2h 40mSouthwest
Deal found 11/6C$ 213
Mon 6/103:15 p.m.SEA - LAS
Nonstop2h 29mDelta
Fri 10/1012:48 p.m.LAS - SEA
Nonstop2h 50mDelta
Deal found 10/6C$ 215
Wed 9/712:00 p.m.SEA - LAS
Nonstop2h 44mAlaska Airlines
Wed 9/75:45 p.m.LAS - SEA
Nonstop2h 45mAlaska Airlines
Deal found 10/6C$ 219
Sun 24/83:25 p.m.SEA - LAS
Nonstop2h 45mFrontier
Mon 1/98:09 a.m.LAS - SEA
1 stop9h 17mFrontier
Deal found 12/6C$ 237
Tue 12/81:42 p.m.SEA - LAS
1 stop5h 04mHawaiian Airlines
Fri 15/86:31 p.m.LAS - SEA
1 stop4h 28mHawaiian Airlines
Deal found 11/6C$ 249
Wed 24/95:14 p.m.SEA - LAS
1 stop6h 40mUnited Airlines
Sat 27/96:27 p.m.LAS - SEA
1 stop4h 48mUnited Airlines
Deal found 10/6C$ 250

Cheapflights Fare Finder

Customize 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Seattle to Las Vegas that are best for you.

Fly from

Seattle

Fly to

Las Vegas

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 11/7

5:30 p.m.-7:58 p.m.

Nonstop2h 28m

Las Vegas Harry Reid Intl

Tue 15/7

1:40 p.m.-4:25 p.m.

Nonstop2h 45m

C$ 152

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 29/8

3:25 p.m.-6:10 p.m.

Nonstop2h 45m

Las Vegas Harry Reid Intl

Tue 2/9

1:10 p.m.-3:53 p.m.

Nonstop2h 43m

C$ 183

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 16/9

4:10 p.m.-6:45 p.m.

Nonstop2h 35m

Las Vegas Harry Reid Intl

Fri 19/9

9:35 p.m.-12:15 a.m.

Nonstop2h 40m

C$ 213

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 6/10

3:15 p.m.-5:44 p.m.

Nonstop2h 29m

Las Vegas Harry Reid Intl

Fri 10/10

12:48 p.m.-3:38 p.m.

Nonstop2h 50m

C$ 215

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 9/7

12:00 p.m.-2:44 p.m.

Nonstop2h 44m

Las Vegas Harry Reid Intl

Wed 9/7

5:45 p.m.-8:30 p.m.

Nonstop2h 45m

C$ 219

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 24/8

3:25 p.m.-6:10 p.m.

Nonstop2h 45m

Las Vegas Harry Reid Intl

Mon 1/9

8:09 a.m.-5:26 p.m.

1 stop9h 17m

C$ 237

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 12/8

1:42 p.m.-6:46 p.m.

1 stop5h 04m

Las Vegas Harry Reid Intl

Fri 15/8

6:31 p.m.-10:59 p.m.

1 stop4h 28m

C$ 249

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 24/9

5:14 p.m.-11:54 p.m.

1 stop6h 40m

Las Vegas Harry Reid Intl

Sat 27/9

6:27 p.m.-11:15 p.m.

1 stop4h 48m

C$ 250

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 24/9

5:14 p.m.-11:54 p.m.

1 stop6h 40m

C$ 103

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 16/9

4:10 p.m.-6:45 p.m.

Nonstop2h 35m

C$ 107

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 15 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 round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Las Vegas

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Las Vegas. Price data was last updated on 9 June 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 C$ 212). Flying from Seattle to Las Vegas in August is currently the most expensive (average of C$ 311). 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 12 June 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Las Vegas in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Seattle to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Las Vegas. Price data was last updated on 8 June 2025.

Travelers seeking maximum savings on their Seattle to Las Vegas flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Las Vegas

Explore weekly flight availability from Seattle to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2025.

The most flights from SEA to LAS are scheduled on a Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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 mm 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 12 June 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 wish to fly to Las Vegas from Seattle, then you need to book flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl. There are 29 flights from Seattle/Tacoma Intl (SEA) to Harry Reid Intl (LAS) per day to choose from. Flights to Las Vegas from Seattle/Tacoma Intl are available from 5 different airlines, which means you should have some options if you want to compare airfare deals. 2h 28m is how long a nonstop flight from Seattle to Las Vegas Harry Reid Intl typically takes.

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

    Within the past month, 531 users have taken a look at flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.

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

    Flying on Spirit Airlines is currently your cheapest option to Las Vegas, with prices starting at C$ 152. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at C$ 213 and C$ 215, respectively. You may be able to fly from Seattle to Las Vegas for 40% less than the average price by searching for these airlines.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 103. Users have also found prices from C$ 107 and C$ 108 on Southwest and Alaska Airlines, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Las Vegas consider choosing Scandinavian Airlines (100%), WestJet (96%) or KLM (95%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Seattle to Las Vegas is generally C$ 653, our data shows the cheapest flight currently is C$ 58. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay C$ 179 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 vacation 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 C$ 212). Flying from Seattle to Las Vegas in August is currently the most expensive (average of C$ 311). 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
Henderson
Boulder City
North Las Vegas
Paradise

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Fly from Seattle to Las Vegas on these airlines

Choose from the following airlines for your flight from Seattle to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 12 June 2025.
Spirit Airlines flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl
Frontier flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl
Alaska Airlines flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Top 5 airlines flying from Seattle to Las Vegas

Discover the top 5 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 52AverageC$ 145FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 64AverageC$ 176FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapestC$ 100AverageC$ 238FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 105AverageC$ 278FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
SouthwestCheapestC$ 161AverageC$ 356FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Seattle to Las Vegas, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Las Vegas for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Seattle to Las Vegas 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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