Cheap flights from Las Vegas to Seattle from C$ 69
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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
21 Dec — 28 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl are usually found in January or February, booked 78 days in advance, depart on a Monday or Tuesday and return on a Sunday
Cheap flight deals from Las Vegas to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Seattle (SEA). 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 21 November 2025.
Explore the most affordable flight options available from Las Vegas to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.
Sat 13/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Sun 11/17:20 a.m.SEA - LAS
Nonstop2h 35mDelta
Deal found 19/11C$ 136
Fri 12/125:50 a.m.LAS - SEA
1 stop4h 30mSouthwest
Sun 14/1211:15 a.m.SEA - LAS
Nonstop2h 30mSouthwest
Deal found 19/11C$ 151
Wed 17/1210:10 a.m.LAS - SEA
Nonstop2h 58mAlaska Airlines
Wed 17/125:06 p.m.SEA - LAS
Nonstop2h 30mAlaska Airlines
Deal found 20/11C$ 156
Thu 11/127:40 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Sun 14/129:10 a.m.SEA - LAS
2 stops6h 25mSouthwest
Deal found 19/11C$ 158
Fri 12/125:50 a.m.LAS - SEA
1 stop4h 30mSouthwest
Mon 15/125:05 p.m.SEA - LAS
1 stop4h 50mSouthwest
Deal found 19/11C$ 163
Mon 29/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Fri 2/11:50 p.m.SEA - LAS
Nonstop2h 30mDelta
Deal found 20/11C$ 165
Thu 11/126:00 a.m.LAS - SEA
Nonstop2h 52mAlaska Airlines
Tue 16/128:25 a.m.SEA - LAS
1 stop4h 22mAlaska Airlines
Deal found 20/11C$ 179
Sat 13/125:30 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Mon 15/1212:35 p.m.SEA - LAS
2 stops6h 35mSouthwest
Deal found 20/11C$ 186
Thu 18/1211:19 a.m.LAS - SEA
1 stop5h 30mAlaska Airlines
Sun 4/19:15 p.m.SEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 21/11C$ 193
Best flights from Las Vegas to Seattle
Discover carefully curated flight deals from Las Vegas to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 November 2025.
Wed 28/11:43 p.m.LAS - SEA
Nonstop2h 53mAlaska Airlines
Wed 28/16:28 p.m.SEA - LAS
Nonstop2h 32mAlaska Airlines
Deal found 20/11C$ 129
Sat 13/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Tue 13/110:20 a.m.SEA - LAS
Nonstop2h 30mDelta
Deal found 19/11C$ 136
Fri 16/16:30 a.m.LAS - SEA
1 stop7h 00mSouthwest
Mon 19/16:20 a.m.SEA - LAS
Nonstop2h 30mSouthwest
Deal found 20/11C$ 151
Thu 11/122:10 p.m.LAS - SEA
Nonstop2h 44mDelta
Tue 16/129:59 a.m.SEA - LAS
Nonstop2h 36mDelta
Deal found 20/11C$ 136
Fri 12/128:30 p.m.LAS - SEA
Nonstop2h 53mAlaska Airlines
Sat 13/128:18 p.m.SEA - LAS
Nonstop2h 35mAlaska Airlines
Deal found 19/11C$ 136
Mon 29/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Tue 6/12:05 p.m.SEA - LAS
Nonstop2h 27mDelta
Deal found 20/11C$ 136
Thu 15/19:25 a.m.LAS - SEA
Nonstop2h 50mSouthwest
Tue 20/16:05 a.m.SEA - LAS
1 stop5h 55mSouthwest
Deal found 20/11C$ 151
Fri 12/129:40 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Mon 15/125:15 a.m.SEA - LAS
1 stop6h 20mSouthwest
Deal found 19/11C$ 151
Thu 5/27:50 a.m.LAS - SEA
1 stop5h 40mSouthwest
Mon 9/26:20 a.m.SEA - LAS
Nonstop2h 30mSouthwest
Deal found 20/11C$ 151
Fri 9/17:40 a.m.LAS - SEA
1 stop4h 30mSouthwest
Mon 12/18:45 a.m.SEA - LAS
Nonstop2h 30mSouthwest
Deal found 20/11C$ 151
Sat 13/125:30 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Mon 15/125:15 a.m.SEA - LAS
1 stop6h 20mSouthwest
Deal found 19/11C$ 151
Tue 27/19:30 a.m.LAS - SEA
Nonstop2h 50mSouthwest
Wed 28/19:30 a.m.SEA - LAS
1 stop6h 55mSouthwest
Deal found 20/11C$ 151
Direct flights from Las Vegas to Seattle
Explore direct flight options from Las Vegas to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 November 2025.
Wed 28/11:43 p.m.LAS - SEA
Nonstop2h 53mAlaska Airlines
Wed 28/16:28 p.m.SEA - LAS
Nonstop2h 32mAlaska Airlines
Deal found 20/11C$ 129
Sat 13/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Tue 13/110:20 a.m.SEA - LAS
Nonstop2h 30mDelta
Deal found 19/11C$ 136
Tue 20/16:50 p.m.LAS - SEA
Nonstop2h 52mDelta
Thu 22/110:20 a.m.SEA - LAS
Nonstop2h 30mDelta
Deal found 20/11C$ 151
Wed 17/1210:10 a.m.LAS - SEA
Nonstop2h 58mAlaska Airlines
Wed 17/125:06 p.m.SEA - LAS
Nonstop2h 30mAlaska Airlines
Deal found 20/11C$ 156
Tue 10/36:00 a.m.LAS - SEA
Nonstop2h 50mDelta
Sat 14/312:00 p.m.SEA - LAS
Nonstop2h 38mDelta
Deal found 20/11C$ 165
Sat 7/38:00 a.m.LAS - SEA
Nonstop2h 54mAlaska Airlines
Sat 14/39:22 p.m.SEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 20/11C$ 179
Thu 12/36:00 a.m.LAS - SEA
Nonstop2h 51mAlaska Airlines
Sat 14/35:48 p.m.SEA - LAS
Nonstop2h 34mAlaska Airlines
Deal found 20/11C$ 193
Sat 7/36:00 a.m.LAS - SEA
Nonstop2h 51mAlaska Airlines
Wed 11/39:22 p.m.SEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 20/11C$ 207
Tue 9/127:12 p.m.LAS - SEA
Nonstop3h 01mDelta
Sat 13/1210:15 a.m.SEA - LAS
Nonstop2h 39mDelta
Deal found 19/11C$ 221
Sun 8/37:00 a.m.LAS - SEA
Nonstop2h 53mAlaska Airlines
Tue 10/39:22 p.m.SEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 20/11C$ 256
Wed 18/310:59 a.m.LAS - SEA
Nonstop2h 53mDelta
Sat 21/310:15 a.m.SEA - LAS
Nonstop2h 40mDelta
Deal found 20/11C$ 263
Last-minute flights from Las Vegas to Seattle
Discover last-minute flight deals from Las Vegas to Seattle. Data last updated 21 November 2025 and is based on user searches.
Thu 11/127:40 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Sun 14/129:10 a.m.SEA - LAS
2 stops6h 25mSouthwest
Deal found 19/11C$ 158
Thu 11/126:00 a.m.LAS - SEA
Nonstop2h 52mAlaska Airlines
Tue 16/128:25 a.m.SEA - LAS
1 stop4h 22mAlaska Airlines
Deal found 20/11C$ 179
Fri 12/125:50 a.m.LAS - SEA
1 stop4h 30mSouthwest
Sun 14/1211:15 a.m.SEA - LAS
Nonstop2h 30mSouthwest
Deal found 19/11C$ 151
Fri 12/125:20 p.m.LAS - SEA
1 stop6h 45mSouthwest
Mon 15/125:05 p.m.SEA - LAS
1 stop4h 50mSouthwest
Deal found 19/11C$ 163
Sat 13/122:03 p.m.LAS - SEA
Nonstop2h 50mDelta
Wed 14/17:20 a.m.SEA - LAS
Nonstop2h 35mDelta
Deal found 19/11C$ 136
Sat 13/125:30 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Mon 15/1212:35 p.m.SEA - LAS
2 stops6h 35mSouthwest
Deal found 20/11C$ 186
Wed 17/1210:10 a.m.LAS - SEA
Nonstop2h 58mAlaska Airlines
Wed 17/125:06 p.m.SEA - LAS
Nonstop2h 30mAlaska Airlines
Deal found 20/11C$ 156
Thu 18/1211:19 a.m.LAS - SEA
1 stop5h 30mAlaska Airlines
Sun 4/19:15 p.m.SEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 21/11C$ 193
Mon 29/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Fri 2/11:50 p.m.SEA - LAS
Nonstop2h 30mDelta
Deal found 20/11C$ 165
One-way flights from Las Vegas to Seattle
Search for one-way flight options from Las Vegas to Seattle. Find affordable one-way fares based on user searches. Data last updated 21 November 2025.
Wed 18/26:00 a.m.LAS - SEA
Nonstop2h 49mDelta
Deal found 18/11C$ 69
Fri 26/127:15 a.m.LAS - SEA
Nonstop2h 56mFrontier
Deal found 20/11C$ 77
Thu 22/111:00 a.m.LAS - SEA
1 stop7h 35mSouthwest
Deal found 19/11C$ 82
Mon 29/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Deal found 20/11C$ 83
Fri 27/25:05 p.m.LAS - SEA
2 stops6h 20mSouthwest
Deal found 18/11C$ 90
Thu 25/124:25 p.m.LAS - SEA
1 stop6h 30mSouthwest
Deal found 20/11C$ 96
Fri 13/31:45 p.m.LAS - SEA
Nonstop2h 55mDelta
Deal found 18/11C$ 97
Fri 13/37:40 p.m.LAS - SEA
1 stop4h 30mSouthwest
Deal found 18/11C$ 104
Wed 18/33:00 p.m.LAS - SEA
1 stop5h 21mAlaska Airlines
Deal found 19/11C$ 110
Thu 8/16:05 a.m.LAS - SEA
Nonstop2h 50mDelta
Deal found 19/11C$ 117
Fri 6/39:16 p.m.LAS - SEA
1 stop9h 48mAlaska Airlines
Deal found 18/11C$ 118
Mon 9/28:50 a.m.LAS - SEA
1 stop5h 49mAlaska Airlines
Deal found 19/11C$ 124
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Seattle 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 21 November 2025.
Use the filters below to find and compare flights from Las Vegas to Seattle that are best for you.
Fly from
Las Vegas
Fly to
Seattle
Route
Depart
Return
Price
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Wed 28/1
1:43 p.m.-4:36 p.m.
Nonstop2h 53m
Seattle/Tacoma Intl
Wed 28/1
6:28 p.m.-9:00 p.m.
Nonstop2h 32m
C$ 129
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Sat 13/12
6:00 a.m.-8:53 a.m.
Nonstop2h 53m
Seattle/Tacoma Intl
Tue 13/1
10:20 a.m.-12:50 p.m.
Nonstop2h 30m
C$ 136
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Thu 11/12
2:10 p.m.-4:54 p.m.
Nonstop2h 44m
Seattle/Tacoma Intl
Tue 16/12
9:59 a.m.-12:35 p.m.
Nonstop2h 36m
C$ 136
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Fri 12/12
8:30 p.m.-11:23 p.m.
Nonstop2h 53m
Seattle/Tacoma Intl
Sat 13/12
8:18 p.m.-10:53 p.m.
Nonstop2h 35m
C$ 136
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Mon 29/12
6:00 a.m.-8:53 a.m.
Nonstop2h 53m
Seattle/Tacoma Intl
Tue 6/1
2:05 p.m.-4:32 p.m.
Nonstop2h 27m
C$ 136
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Fri 16/1
6:30 a.m.-1:30 p.m.
1 stop7h 00m
Seattle/Tacoma Intl
Mon 19/1
6:20 a.m.-8:50 a.m.
Nonstop2h 30m
C$ 151
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Thu 15/1
9:25 a.m.-12:15 p.m.
Nonstop2h 50m
Seattle/Tacoma Intl
Tue 20/1
6:05 a.m.-12:00 p.m.
1 stop5h 55m
C$ 151
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Fri 12/12
9:40 p.m.-12:30 a.m.
Nonstop2h 50m
Seattle/Tacoma Intl
Mon 15/12
5:15 a.m.-11:35 a.m.
1 stop6h 20m
C$ 151
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Thu 5/2
7:50 a.m.-1:30 p.m.
1 stop5h 40m
Seattle/Tacoma Intl
Mon 9/2
6:20 a.m.-8:50 a.m.
Nonstop2h 30m
C$ 151
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Fri 9/1
7:40 a.m.-12:10 p.m.
1 stop4h 30m
Seattle/Tacoma Intl
Mon 12/1
8:45 a.m.-11:15 a.m.
Nonstop2h 30m
C$ 151
Flights are sorted by cheapest round-trip flights first.
Deals found on 19/11
Showing 1-10 of 23 results
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Best time to book a flight from Las Vegas to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Las Vegas 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 Las Vegas to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Las Vegas to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Seattle. Price data was last updated on 14 November 2025.
The price you pay for your flight from Las Vegas to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Las Vegas to Seattle?
Currently, March is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 60). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 111). 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 LAS to SEA?
Find hourly flight availability from Las Vegas to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.
It’s typically best to fly out from Las Vegas to Seattle in the evening. Doing so could potentially save you 88% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Las Vegas to Seattle
Explore weekly flight availability from Las Vegas to Seattle. 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 21 November 2025.
The most flights from LAS to SEA are scheduled on a Thursday (57 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).
How often are flights from Las Vegas to Seattle delayed?
About 12% of weekly flights between Las Vegas and Seattle have experienced delays in the past year, with the average delay time being 136 minutes.
What is the most punctual flight time for Las Vegas to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday 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 Las Vegas to Seattle flights?
Over the past year, Delta has had the lowest number of delays on this route, with just 8% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Las Vegas to Seattle flight route?
The Las Vegas Harry Reid Intl to Seattle/Tacoma Intl flight path was viewed by 12 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 Las Vegas to Seattle?
Alaska Airlines and Delta can get you from Las Vegas to Seattle in just under 2h 53m. Your travel time will be generally consistent. There are 1394 km between Las Vegas and Seattle. All flights are typically direct.
What are the most reliable airlines from Las Vegas to Seattle?
Before booking your flight to Seattle from Las Vegas, check out the most reliable airlines to get you to your destination on time: WestJet (97%), KLM (95%), Air France( 93%).
What are the cheapest flights from Las Vegas to Seattle?
Looking for the cheapest flight from Las Vegas to Seattle? While on average our users pay C$ 215, our data indicates the cheapest price to be C$ 110. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 308.
Can I find deals for business class flights from Las Vegas to Seattle?
Yes. Cheapflights offers flight deals from Las Vegas to Seattle 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 Las Vegas to Seattle?
Currently, March is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 60). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 111). 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.
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2025.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2025.
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 Las Vegas to Seattle?
Cheapflights makes it easy to find Las Vegas to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Las Vegas to Seattle?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Las Vegas to Seattle.
Can Cheapflights find flights from Las Vegas to Seattle with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to Seattle, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Las Vegas to Seattle become cheaper?
Of course! You can now track prices for flights from Las Vegas to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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