Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Las Vegas from C$ 99

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
30 Mar — 6 Apr1
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 30 days in advance, depart on a Tuesday or Sunday 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 25 March 2025.

Round-trip from

C$ 113

One-way from

C$ 99

Popular in

December

Cheapest in

September

Average price

C$ 269

Good round-trip deal

C$ 177 or less

Good one-way deal

C$ 113 or less
Spirit Airlines
  • Spirit Airlines
  • 21/4-26/4
  • Nonstop
  • 5h 17m total
  • Seattle to Las Vegas
Search Deals
Delta
  • Delta
  • 14/4
  • Nonstop
  • 2h 32m total
  • Seattle to Las Vegas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 29 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).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
Search Deals

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 25 March 2025.

Mon 21/48:56 p.m.SEA - LAS
Nonstop2h 33mSpirit Airlines
Sat 26/48:51 a.m.LAS - SEA
Nonstop2h 44mSpirit Airlines
Deal found 24/3C$ 113
Tue 15/47:59 p.m.SEA - LAS
Nonstop2h 32mDelta
Tue 22/46:10 a.m.LAS - SEA
Nonstop2h 45mDelta
Deal found 25/3C$ 196
Tue 27/51:56 p.m.SEA - LAS
1 stop5h 58mMultiple Airlines
Thu 29/59:32 p.m.LAS - SEA
Nonstop2h 38mMultiple Airlines
Deal found 24/3C$ 209
Wed 23/47:10 a.m.SEA - LAS
1 stop7h 30mSouthwest
Wed 30/48:15 p.m.LAS - SEA
Nonstop2h 45mSouthwest
Deal found 25/3C$ 211
Wed 7/512:45 p.m.SEA - LAS
1 stop5h 06mUnited Airlines
Sat 17/54:08 p.m.LAS - SEA
1 stop5h 49mUnited Airlines
Deal found 24/3C$ 212
Tue 15/46:55 p.m.SEA - LAS
Nonstop2h 30mAlaska Airlines
Tue 22/411:07 a.m.LAS - SEA
1 stop4h 23mAlaska Airlines
Deal found 25/3C$ 239
Sun 20/43:35 p.m.SEA - LAS
1 stop4h 30mHawaiian Airlines
Sat 3/511:00 a.m.LAS - SEA
1 stop7h 59mHawaiian Airlines
Deal found 24/3C$ 301
Fri 18/73:11 p.m.SEA - LAS
Nonstop2h 45mFrontier
Tue 22/76:00 a.m.LAS - SEA
1 stop12h 05mFrontier
Deal found 24/3C$ 345

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 25 March 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

Mon 21/4

8:56 p.m.-11:29 p.m.

Nonstop2h 33m

Las Vegas Harry Reid Intl

Sat 26/4

8:51 a.m.-11:35 a.m.

Nonstop2h 44m

C$ 113

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 15/4

7:59 p.m.-10:31 p.m.

Nonstop2h 32m

Las Vegas Harry Reid Intl

Tue 22/4

6:10 a.m.-8:55 a.m.

Nonstop2h 45m

C$ 196

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 27/5

1:56 p.m.-7:54 p.m.

1 stop5h 58m

Las Vegas Harry Reid Intl

Thu 29/5

9:32 p.m.-12:10 a.m.

Nonstop2h 38m

C$ 209

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 23/4

7:10 a.m.-2:40 p.m.

1 stop7h 30m

Las Vegas Harry Reid Intl

Wed 30/4

8:15 p.m.-11:00 p.m.

Nonstop2h 45m

C$ 211

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 7/5

12:45 p.m.-5:51 p.m.

1 stop5h 06m

Las Vegas Harry Reid Intl

Sat 17/5

4:08 p.m.-9:57 p.m.

1 stop5h 49m

C$ 212

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 15/4

6:55 p.m.-9:25 p.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 22/4

11:07 a.m.-3:30 p.m.

1 stop4h 23m

C$ 239

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 20/4

3:35 p.m.-8:05 p.m.

1 stop4h 30m

Las Vegas Harry Reid Intl

Sat 3/5

11:00 a.m.-6:59 p.m.

1 stop7h 59m

C$ 301

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 18/7

3:11 p.m.-5:56 p.m.

Nonstop2h 45m

Las Vegas Harry Reid Intl

Tue 22/7

6:00 a.m.-6:05 p.m.

1 stop12h 05m

C$ 345

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 14/4

7:59 p.m.-10:31 p.m.

Nonstop2h 32m

C$ 99

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 7/5

12:45 p.m.-5:51 p.m.

1 stop5h 06m

C$ 106

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

Showing 1-10 of 14 results
1
2

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 21 March 2025.

Booking 30 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 25 March 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Las Vegas in the morning. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the evening.

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 16 March 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. Tuesday 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 25 March 2025.

The most flights from SEA to LAS are scheduled on a Monday (60 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 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 25 March 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
9,782 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

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
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

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
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

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
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

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
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

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 41 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 38m 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, 616 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$ 113. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at C$ 196 and C$ 211, respectively. You may be able to fly from Seattle to Las Vegas for 57% 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 Delta. According to our data, you can fly for as low as C$ 99. Users have also found prices from C$ 106 and C$ 112 on United Airlines and Southwest, 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 SkyWest Airlines (95%), WestJet (86%) or Korean Air (85%) 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$ 678, our data shows the cheapest flight currently is C$ 48. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay C$ 322 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 25 March 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 55AverageC$ 153FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 71AverageC$ 188FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapestC$ 111AverageC$ 292FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 113AverageC$ 248FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 169AverageC$ 373FlexibilityNo 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.