SEA - LAS

$87 Find Cheap Flights from Seattle to Las Vegas - Compare and Save

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Everything you should know

Cheapest round-trip
$155
Typical prices: $167-$346
Frontier
Fri 11/2Sun 11/4
SEA - LAS • Non-stop
Cheapest non-stop
$155
Typical prices: $167-$349
Frontier
Wed 10/31Sat 11/3
SEA - LAS • Non-stop
Advice from real travelers
Frontier Economy Bundle adds a carry-on, seat choice, and no change fees.
Delta free Wi-Fi beats Southwest messaging; Alaska speeds bags with a guarantee.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Alaska Airlines, Delta and others. Average duration is 2h 36m.
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 49% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $212 (round-trip)
Shortest trip • 5h 08m (one-way)
Insights
Insights
Start a new search
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We hope you love your trip to Las Vegas!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Seattle to Las Vegas (SEA-LAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Las Vegas

Sun, Nov 22 - Mon, Nov 23
Frontier Logo
9:53 pm - 12:39 amSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 46mnonstop
Frontier Logo
9:39 am - 12:37 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 58mnonstop
$155Frontier
Mon, Oct 26 - Wed, Nov 4
Frontier Logo
9:16 pm - 11:56 pmSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 40mnonstop
Frontier Logo
2:55 pm - 6:54 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
27h 59m1 stop Los Angeles
$155Frontier
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
3:44 pm - 8:52 pmSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
5h 08m1 stop San Francisco
Multiple Airlines Logo
8:05 am - 10:59 amLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 54mnonstop
$162Multiple Airlines
Sun, Nov 15 - Wed, Nov 18
Multiple Airlines Logo
9:13 pm - 11:59 pmSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 46mnonstop
Multiple Airlines Logo
5:46 pm - 8:35 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 49mnonstop
$165Multiple Airlines
Wed, Jan 27 - Wed, Feb 3
Alaska Airlines Logo
7:05 am - 9:40 amSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 35mnonstop
Alaska Airlines Logo
10:00 am - 12:51 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 51mnonstop
$230Alaska Airlines
Tue, Nov 3 - Tue, Nov 3
Alaska Airlines Logo
8:08 am - 10:54 amSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 46mnonstop
Alaska Airlines Logo
1:55 pm - 4:47 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 52mnonstop
$232Alaska Airlines
Wed, Feb 3 - Fri, Feb 5
Delta Logo
7:20 am - 9:59 amSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 39mnonstop
Delta Logo
1:50 pm - 4:41 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 51mnonstop
$237Delta
Sun, Nov 15 - Tue, Nov 17
Delta Logo
4:36 pm - 7:03 pmSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 27mnonstop
Delta Logo
7:05 pm - 9:55 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 50mnonstop
$237Delta
Sun, Nov 15 - Wed, Nov 18
Southwest Logo
6:45 am - 9:10 amSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 25mnonstop
Southwest Logo
7:30 pm - 10:20 pmLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 50mnonstop
$237Southwest
Mon, Nov 2 - Thu, Nov 5
Southwest Logo
9:25 pm - 11:55 pmSEA  Seattle/Tacoma Intl-LAS Las Vegas Harry Reid Intl
2h 30mnonstop
Southwest Logo
10:30 pm - 1:20 amLAS  Las Vegas Harry Reid Intl-SEA Seattle/Tacoma Intl
2h 50mnonstop
$237Southwest
Booking Insights

Price, demand and travel trends for Seattle to Las Vegas flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Las Vegas?

Round-trip flights from Seattle to Las Vegas typically range from $167 to $346. The lowest price found in the past 5 days was $155, on Frontier.

What's the cheapest day of the week to fly from Seattle to Las Vegas?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Seattle to Las Vegas. It’s 20% cheaper than the average day, while Friday is the most expensive, with prices 13% higher.

What’s the cheapest month to fly from Seattle to Las Vegas?

•January is the cheapest month to fly from Seattle to Las Vegas at $176 round-trip.
•May ($306) and July ($296) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seattle to Las Vegas the cheapest?

Flights from Seattle to Las Vegas are cheapest 12 weeks before departure. Booking in this window typically costs about 49% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Seattle to Las Vegas

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines, SEA and LAS

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Frontier and Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Seattle to Las Vegas flights

Low season

August

Cheapest flight

$87
Beat the crowds with an average 29% drop in travelers.
The most popular month to fly with an average 7% increase in travelers.
One-way flight from Seattle to Las Vegas

When to book flights from Seattle to Las Vegas

Are your dates flexible? Find out the best times to travel from Seattle to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Seattle to Las Vegas: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Seattle to Las Vegas 
Christopher RyanFlew with Alaska Airlines-Aug 2026
Be ready for the heat, wear comfortable clothing
AndrewFlew with Alaska Airlines-Apr 2026
If you are using ride share (uber, lyft) start the process right away as the wait can be long.
Verified travelerFlew with Frontier-Aug 2024
Get there very early. The Seattle airport is nuts! I got there three hours early and barely made my flight!
Verified travelerFlew with Alaska Airlines-Apr 2024
Always come early so you don’t experience waiting times

Your Seattle to Las Vegas flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Seattle to Las Vegas?

    These are the earliest and latest flight times available from Seattle to Las Vegas:

    • Earliest: departs at 5:00 am and lands at 7:36 am
    • Latest: departs at 9:53 pm and lands at 12:29 am.

    The flight takes about 2h 36m.

  • What cabin classes can I book on flights from Seattle to Las Vegas?

    Four cabin classes are available on flights from Seattle to Las Vegas:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Seattle to Las Vegas?

    A nonstop flight from Seattle to Las Vegas takes 2h 36m, covering 866 miles.

  • Do I need a passport to fly from Seattle to Las Vegas?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Seattle to Las Vegas flight?

    Round-trip flights from Seattle to Las Vegas range from $167 to $346, with an average of $247 over the past 12 months. Anything below $167 counts as a good deal.

  • How expensive are last-minute Seattle to Las Vegas flights?

    Last-minute fares on this route (booked within two weeks of departure) run 55% above the $247 route average. Book 12 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Seattle to Las Vegas?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $212 round-trip via Salt Lake City (SLC), compared to $249 for nonstop.

  • How does on-time performance compare across airlines flying from Seattle to Las Vegas?

    Delta is slightly above the route average for timely arrivals, while Alaska Airlines has a lower on-time arrival rate. On-time arrival rates on Seattle to Las Vegas flights are:

    • Delta: 87% on time
    • Alaska Airlines: 86% on time
    • Frontier: 81% on time

    Overall, flights on this route are punctual 84% of the time on average.

  • What is the standard checked-bag allowance on flights from Seattle to Las Vegas?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Seattle to Las Vegas?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Boeing 737-900 variants.

  • How are flight departures from Seattle to Las Vegas spread across the day?

    Morning is the busiest departure period on Seattle to Las Vegas flights, with 34% of flights leaving in that window. Afternoon departures account for 34%, evening flights for 26%, and night flights for 6%.

  • Have flight prices from Seattle to Las Vegas changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $155 to $1,255. That means the highest observed fare was about 8x higher than the lowest one.

  • Which airlines offer Wi-Fi on Seattle to Las Vegas flights?

    Three airlines offer in-flight Wi-Fi on Seattle to Las Vegas flights:

    • Alaska Airlines
    • Delta
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from Seattle to Las Vegas looking right now?

    One-way fares from Seattle to Las Vegas are currently lower than usual. Average one-way flight prices are about $112, which is 29% below the typical average for this route.

  • What car rental options are available at Las Vegas Harry Reid Intl Airport (LAS)?

    Las Vegas Harry Reid Intl Airport (LAS) hosts 5 major car rental companies, with daily rates starting from around $8 for economy cars. Top options include:

    • Easirent
    • Ace
    • Fox
    • Dollar
    • Thrifty

  • Which airports can I use when flying from Seattle to Las Vegas?

    Flights from Seattle to Las Vegas usually depart from Seattle/Tacoma Intl (SEA) and arrive at Las Vegas Harry Reid Intl (LAS).

  • What time of day has the fewest delays on flights from Seattle to Las Vegas?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed from Seattle to Las Vegas?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Seattle to Las Vegas route, 16% of flights were delayed in the past 3 months, with delays averaging 2h 10m.

  • Which airports do connecting flights from Seattle to Las Vegas pass through?

    One-stop flights from Seattle to Las Vegas most commonly connect through:

    • Denver Intl (DEN) - 27% of one-stop connections
    • Salt Lake City (SLC) - 26% of one-stop connections
    • Ontario (ONT) - 21% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Las Vegas?

    Yes. Flexible dates can save you up to 29% on flights from Seattle to Las Vegas. Monday is the cheapest departure day at $199 round-trip on average, while Friday is the most expensive at $280, a difference of $81.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Seattle to Las Vegas?

    5 airlines operate flights between Seattle and Las Vegas. The airlines offering nonstop flights on this route include:

    • Alaska Airlines
    • Delta
    • Southwest
    • Frontier
    • American Airlines

  • How much time can I save by choosing a different layover airport from Seattle to Las Vegas?

    Flying via Sacramento Intl (SMF) gives the shortest average 1-stop total travel time at 5h 08m, compared with 5h 19m via Los Angeles (LAX) and 5h 25m via San Francisco (SFO).

  • What popular places can I visit in Las Vegas?

    Some of the most popular sights in Las Vegas are Fremont Street Experience, Las Vegas Convention Center and Wynn Las Vegas. These are among the most viewed places in Las Vegas on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Seattle to Las Vegas flights?

    Among airlines operating Seattle to Las Vegas flights:

    • Frontier: offers free seat selection
    • Alaska Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Seattle to Las Vegas flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • What are the transportation options from downtown Seattle to SEA?

    Travelers can reach SEA from downtown Seattle in about 38 minutes on Link light rail. Buses and cabs also connect the city center with the airport.

  • Are there car rentals from LAS to downtown Las Vegas?

    Yes. The Rent-A-Car Center is at 7135 Gilespie Street, three miles south of the airport near the freeway. Rental car shuttles stop outside doors 10 and 11 at Terminal 1 and at both ends of Terminal 3. Advance booking is recommended.

  • Are there ATMs at LAS?

    Yes, ATMs are available at LAS and Wells Fargo is the main operator.

  • Are there any services for passengers with disabilities at LAS upon their arrival?

    Yes. Passengers with limited mobility can coordinate with their airlines in advance. Wheelchair assistance is available for access to ticketing counters.

Your guide to booking Seattle to Las Vegas flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $199, about $81 less than Friday fares (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 49% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Las Vegas trip for January. Fares historically average $176 round-trip in that month - typically $130 less than the most expensive month, which is May (based on the last 12 months).
  • For the best chance of arriving on time, fly with Delta. Over the past three months, 87% of Delta flights from Seattle to Las Vegas arrived on time, slightly above the route average of 84%. When flights on this route arrive late, they're delayed by an average of 2h 10m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Salt Lake City Airport (SLC) can be cheaper than flying direct. The cheapest layover option averages $212 round-trip on this route - about $37 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Las Vegas Harry Reid Intl Airport.

    • Four Seasons Hotel Las Vegas
    • Alexis Park All Suite Resort
    • Ellis Island Hotel
  • For flights from Seattle to Las Vegas, plan to depart from Seattle Tacoma International Airport (SEA), about 13 miles south of downtown Seattle. After landing, Harry Reid International Airport is about 7 miles south of downtown Las Vegas.
  • To reach Las Vegas from Harry Reid International Airport (LAS), take an RTC of Southern Nevada bus if you want a public transit option. Lines 108, 109 and the Centennial Express (CX) serve the passenger hub. For a more direct ride, grab a cab from Arrivals or pick up a rental car at the Rent-A-Car Center, located three miles south of the airport.
  • If you're traveling through Seattle-Tacoma International Airport (SEA) with a baby, use the nursing suite in Concourse N for a private place to breastfeed or bottle-feed. SEA also has nursing rooms in Concourses A and D and the International Arrivals Facility, plus nursing pods in Concourses A, B, C and S.
  • Flying with children from Seattle Tacoma International Airport? Stop by the Children’s Play Areas near gates A1 and D25 to keep them entertained before the flight.
  • If you're traveling with a pet, check your airline's in-cabin pet policy before booking. On American Airlines, cats and dogs can travel in the cabin on this route. Keep pets secured in their carriers to avoid disturbing other passengers.
  • If you're flying American Airlines from Seattle to Las Vegas, you'll arrive at Harry Reid International Airport (LAS), which serves American Airlines. Platinum Card® Members can use the Centurion Lounge at LAS. Eligible AAdvantage members can also use priority lanes at check-in counters and gates, plus exclusive security-checkpoint lanes at certain locations.
  • If you want to stop at a lounge before departure, SEA has two The Club at SEA locations. One is in Concourse A and the other is in S Concourse. The A Concourse lounge is open daily from 5 a.m. to 12:30 a.m. and the S Concourse lounge is open daily from 6 a.m. to 1:30 a.m.

Prefer to fly direct from Seattle to Las Vegas?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Monday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Tuesday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Wednesday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Thursday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Friday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Saturday

Alaska Airlines,American Airlines,Delta, +2 more

Alaska Airlines,American Airlines, +3 more

Sunday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

See more direct flights

Direct returns

Las Vegas Harry Reid Intl to Seattle/Tacoma Intl

Monday

Alaska Airlines,American Airlines,Delta, +2 more

Alaska Airlines,American Airlines, +3 more

Tuesday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Wednesday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Thursday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Friday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Saturday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

Sunday

Alaska Airlines,Delta,Frontier, +1 more

Alaska Airlines,Delta, +2 more

See more direct flights

More options for your flight from Seattle to Las Vegas

Complete your trip to Las Vegas with a hotel stay or car rental