This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
25 Nov — 2 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in January or February, booked 76 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Seattle to Las Vegas
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
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 26 October 2026.
Fri 4/1221:07 -
Nonstop2h 46m
Mon 7/1206:12 -
1 stop9h 31m
Deal found 22/10£120
Fri 20/1121:53 -
Nonstop2h 46m
Mon 23/1106:13 -
1 stop26h 50m
Deal found 26/10£126
Sat 5/1216:58 -
1 stop6h 52m
Sat 12/1208:32 -
1 stop7h 11m
Deal found 21/10£144
Thu 10/1221:09 -
Nonstop2h 38m
Thu 17/1209:19 -
1 stop27h 03m
Deal found 26/10£149
Thu 10/1221:09 -
Nonstop2h 38m
Thu 17/1212:32 -
Nonstop2h 53m
Deal found 26/10£150
Sat 12/1212:05 -
Nonstop2h 40m
Tue 15/1219:30 -
Nonstop2h 50m
Deal found 25/10£158
Sat 5/1216:58 -
1 stop6h 52m
Sat 12/1214:03 -
Nonstop2h 55m
Deal found 21/10£161
Thu 3/1210:35 -
1 stop5h 50m
Tue 8/1219:30 -
Nonstop2h 50m
Deal found 26/10£165
Sat 12/1205:05 -
Nonstop2h 30m
Sat 12/1211:55 -
2 stops8h 15m
Deal found 25/10£169
Sat 5/1207:15 -
Nonstop2h 35m
Sat 12/1207:00 -
Nonstop2h 51m
Deal found 21/10£171
Best flights from Seattle to Las Vegas
Discover carefully curated flight deals from Seattle to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 October 2026.
Tue 15/1212:18 -
Nonstop2h 40m
Fri 18/1206:30 -
Nonstop2h 56m
Deal found 23/10£173
Tue 9/216:55 -
Nonstop2h 29m
Fri 12/210:14 -
Nonstop2h 46m
Deal found 23/10£173
Sat 5/1206:20 -
2 stops5h 50m
Sat 12/1211:55 -
2 stops8h 15m
Deal found 21/10£196
Tue 16/216:15 -
Nonstop2h 31m
Thu 18/206:00 -
Nonstop2h 51m
Deal found 23/10£173
Sat 21/1116:36 -
Nonstop2h 27m
Sat 28/1106:30 -
Nonstop2h 50m
Deal found 21/10£175
Tue 1/1205:15 -
2 stops7h 00m
Thu 10/1214:05 -
1 stop6h 50m
Deal found 25/10£196
Sun 7/207:00 -
1 stop7h 51m
Sun 7/218:00 -
1 stop4h 28m
Deal found 25/10£203
Thu 25/220:00 -
1 stop3h 50m
Sun 28/211:55 -
1 stop7h 25m
Deal found 22/10£197
Mon 16/1116:36 -
Nonstop2h 27m
Wed 18/1119:05 -
Nonstop2h 50m
Deal found 22/10£182
Sun 20/1218:45 -
Nonstop2h 32m
Fri 1/120:18 -
Nonstop2h 55m
Deal found 24/10£214
Sun 15/1105:15 -
1 stop6h 10m
Tue 17/1112:50 -
2 stops8h 50m
Deal found 21/10£200
Fri 8/114:05 -
Nonstop2h 25m
Sun 10/110:10 -
Nonstop2h 45m
Deal found 25/10£241
Direct flights from Seattle to Las Vegas
Explore direct flight options from Seattle to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 October 2026.
Thu 10/1221:09 -
Nonstop2h 38m
Thu 17/1212:32 -
Nonstop2h 53m
Deal found 26/10£150
Sat 12/1205:05 -
Nonstop2h 30m
Sat 12/1209:30 -
Nonstop2h 55m
Deal found 25/10£158
Tue 9/207:05 -
Nonstop2h 35m
Tue 9/212:07 -
Nonstop2h 50m
Deal found 22/10£169
Sat 5/1207:15 -
Nonstop2h 35m
Sat 12/1207:00 -
Nonstop2h 51m
Deal found 21/10£171
Wed 9/1216:31 -
Nonstop2h 34m
Sat 12/1206:30 -
Nonstop2h 56m
Deal found 21/10£173
Sat 5/1207:15 -
Nonstop2h 35m
Sat 5/1211:59 -
Nonstop2h 55m
Deal found 24/10£173
Thu 11/205:00 -
Nonstop2h 25m
Tue 16/210:10 -
Nonstop2h 45m
Deal found 21/10£174
Sat 21/1116:36 -
Nonstop2h 27m
Sat 28/1106:30 -
Nonstop2h 50m
Deal found 21/10£175
Tue 1/1214:35 -
Nonstop2h 29m
Wed 9/1214:03 -
Nonstop2h 55m
Deal found 24/10£177
Wed 18/1110:59 -
Nonstop2h 41m
Wed 18/1115:50 -
Nonstop2h 51m
Deal found 21/10£178
Mon 8/208:49 -
Nonstop2h 34m
Mon 8/215:00 -
Nonstop2h 50m
Deal found 22/10£179
Last-minute flights from Seattle to Las Vegas
Discover last-minute flight deals from Seattle to Las Vegas. Data last updated 26 October 2026 and is based on user searches.
Tue 3/1118:59 -
Nonstop2h 31m
Tue 1/1207:00 -
Nonstop2h 51m
Deal found 23/10£283
Tue 3/1114:43 -
Nonstop2h 31m
Wed 11/1110:47 -
Nonstop2h 53m
Deal found 22/10£288
Tue 3/1114:05 -
Nonstop2h 25m
Wed 11/1119:30 -
Nonstop2h 50m
Deal found 23/10£296
Wed 4/1112:20 -
Nonstop2h 44m
Mon 9/1106:00 -
Nonstop2h 49m
Deal found 22/10£279
Wed 4/1111:35 -
2 stops6h 55m
Mon 9/1116:55 -
2 stops7h 15m
Deal found 21/10£285
Wed 4/1116:32 -
Nonstop2h 28m
Sat 14/1111:10 -
Nonstop2h 50m
Deal found 23/10£295
Wed 4/1118:59 -
Nonstop2h 31m
Sun 8/1106:00 -
Nonstop2h 49m
Deal found 21/10£297
Wed 4/1114:43 -
Nonstop2h 31m
Wed 11/1106:00 -
Nonstop2h 49m
Deal found 23/10£299
Thu 5/1121:25 -
Nonstop2h 30m
Mon 9/1122:30 -
Nonstop2h 50m
Deal found 21/10£262
Thu 5/1118:59 -
Nonstop2h 31m
Tue 10/1113:55 -
Nonstop2h 52m
Deal found 22/10£265
Thu 5/1107:30 -
2 stops6h 40m
Thu 12/1116:55 -
2 stops7h 15m
Deal found 22/10£276
One-way flights from Seattle to Las Vegas
Search for one-way flight options from Seattle to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 26 October 2026.
Mon 1/316:29 -
1 stop7h 21m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10£72
Mon 23/1116:37 -
1 stop7h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10£72
Tue 17/1107:40 -
Nonstop2h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/10£79
Wed 3/210:55 -
Nonstop2h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10£87
Tue 15/1206:15 -
1 stop5h 57m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/10£90
Tue 17/1117:59 -
Nonstop2h 34m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/10£91
Wed 9/1206:15 -
1 stop5h 57m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 25/10£93
Sat 2/107:26 -
1 stop5h 26m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10£93
Fri 1/108:38 -
1 stop8h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10£94
Tue 17/1110:35 -
Nonstop2h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/10£96
Find 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 26 October 2026.
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 7,457,451 searches. Data last updated 26 October 2026.
Use the filters below to find and compare flights from Seattle to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Mon 23/11
20:07-22:45
Nonstop2h 38m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£87
Fastest return journey
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Thu 7/1
05:00-07:25
Nonstop2h 25m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£87
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Wed 23/12
20:05-22:46
Nonstop2h 41m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£89
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Tue 8/12
06:15-12:12
1 stop5h 57m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£90
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Sun 6/12
06:15-12:12
1 stop5h 57m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£90
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Wed 9/12
08:05-14:55
2 stops6h 50m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£90
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Thu 3/12
06:15-12:12
1 stop5h 57m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£90
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Fri 5/3
06:29-14:03
1 stop7h 34m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£93
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Sat 2/1
07:26-12:52
1 stop5h 26m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£93
SeattleLas Vegas
SEA Seattle/Tacoma Intl - LAS Las Vegas Harry Reid Intl
SEALAS
Seattle/Tacoma Intl
Sat 14/11
13:16-20:09
2 stops6h 53m
Las Vegas Harry Reid Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£98
Flights are sorted by cheapest return flights first.
Deals found on 22/10
Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
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.
SEA-LAS
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.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Las Vegas
Prices
Airlines
Delays
How far ahead should I book a flight from Seattle to Las Vegas?
The best time to book flights from Seattle to Las Vegas is 75 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 £132). Flying from Seattle to Las Vegas in May is currently the most expensive (average of £223). 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 26 October 2026.
It’s typically best to fly out from Seattle to Las Vegas in the afternoon. Doing so could potentially save you 77% on the flight price compared to flying in the evening, which is usually more expensive.
How much does it cost for a return flight from Seattle to Las Vegas?
Airfare is below average for this route at the moment.
Seattle to Las Vegas flights typically cost between £137 and £283 in December.The cheapest return price found within the last 5 days was £120 on Frontier (4 Dec–7 Dec).
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 26 October 2026.
The most flights from SEA to LAS are scheduled on a Sunday (44 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).
How often are flights from Seattle to Las Vegas delayed?
About 16% of weekly flights between Seattle and Las Vegas have experienced delays in the past year, with the average delay time being 129 minutes.
What is the most punctual flight time for Seattle to Las Vegas flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to Las Vegas flights?
Over the past year, Delta have had the lowest number of delays on this route, with just 13% of flights being delayed.
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 26 October 2026.
Check out reviews from past customers who have flown with Alaska Airlines 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.
There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
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 33m for a nonstop flight. There are 24 flights from Seattle/Tacoma Intl to Las Vegas per day from 1 airline.
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 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Seattle to Las Vegas?
There are many flights that can get you from Seattle to Las Vegas in 2h 29m. Fly via Delta or Alaska Airlines to get the fastest option. Seattle and Las Vegas are separated by a distance of 866 mi. All flights are typically direct.
What is the cheapest airline to fly from Seattle to Las Vegas round-trip?
According to our current data, Alaska Airlines (£84), offers the cheapest pricing from Seattle to Las Vegas. Users have found that Alaska Airlines is 56% 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 Frontier. According to our data, you can fly for as low as £47. Users have also found prices from £77 and £87 on Delta and Alaska Airlines, respectively.
What are the most reliable airlines from Seattle to Las Vegas?
Consider Aeromexico (98%), Air France (94%) or KLM (90%) 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 £268, our data shows the cheapest flight currently is £125. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay £105 for that flight.
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 £132). Flying from Seattle to Las Vegas in May is currently the most expensive (average of £223). 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.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 October 2026.
Discover the top airline 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 7,457,451 searches. Data last updated 26 October 2026.
Find the best flight deals on Cheapflights, where travellers 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?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Las Vegas from Seattle today with Cheapflights!
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.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.