Book your flight from SeaTac (SEA) to Las Vegas (LAS) at the best prices. Fares start from $222.
SeaTac
SEA
→
Las Vegas
LAS
10/14/2025 – 10/21/2025
Cheap flight deals from SeaTac to Las Vegas
Average price start from:
i
$58
Round-trip flights from SeaTac to Las Vegas starting at $58. Book now for the best deals!
One-way from:
i
$39
One-way flights from SeaTac to Las Vegas starting at $39. Great for flexible travel!
Cheapest day:
i
Thursday
Thursday is the cheapest day to fly from SeaTac to Las Vegas. Save more by booking on this day!
Cheapest In:
i
$42
Apr 2025
Apr 2025 is the cheapest month to fly from SeaTac to Las Vegas with prices starting at $42.
Find flight deals from SeaTac to Las Vegas
Cheapest flights from SeaTac to Las Vegas
ONEWAY FLIGHTS
LAST MINUTE
CHEAP FLIGHTS
BEST FLIGHTS
Explore the cheapest oneway flights from SeaTac to Las Vegas spotted daily.
SEA
SeaTac
SEA - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
LAS
Unknown City
$39
Non-stop • 60 min
PDX
SeaTac
PDX - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
LAS
Unknown City
$39
Non-stop • 60 min
SEA
SeaTac
SEA - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
LAS
Unknown City
$43
Non-stop • 60 min
SEA
SeaTac
SEA - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
PHX
Unknown City
$48
Non-stop • 60 min
PDX
SeaTac
PDX - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
PHX
Unknown City
$56
Non-stop • 60 min
PDX
SeaTac
PDX - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
LAS
Unknown City
$57
Non-stop • 60 min
PDX
SeaTac
PDX - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
TUS
Unknown City
$61
Non-stop • 60 min
SEA
SeaTac
SEA - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
PHX
Unknown City
$64
Non-stop • 60 min
PDX
SeaTac
PDX - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
PHX
Unknown City
$70
Non-stop • 60 min
PAE
SeaTac
PAE - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
PHX
Unknown City
$70
Non-stop • 60 min
PDX
SeaTac
PDX - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
PHX
Unknown City
$71
Non-stop • 60 min
PAE
SeaTac
PAE - SeaTac • 2025-10-14 • 09:00
Unknown
60 min
LAS
Unknown City
$75
Non-stop • 60 min
Price Trends & Analysis
Weekly Price Trends
For the best deals, try flying to Las Vegas on Thursday.
Monthly Price Trends
The cheapest month for flights from SeaTac to Las Vegas is September.
Weather & Climate Information
Temperature
Las Vegas has a desert climate with hot summers and mild winters. Average summer highs exceed 38°C (100°F), while winter temperatures are mild, typically ranging from 4°C to 16°C (40°F to 60°F). Rainfall is minimal, and sunshine is abundant year-round.[2]
Rainfall
The best time to visit Las Vegas is from March to May and from September to November, when the weather is pleasant and crowds are moderate.[2]
Airlines at Las Vegas
Book your journey from SeaTac to Las Vegas with leading airlines including Spirit Airlines, Frontier Airlines, Allegiant Air, Alaska Airlines. These carriers provide excellent connectivity and multiple daily options for convenient travel.
The typical flight time is about 10-15 hours, with most flights featuring one stopover for better pricing and route optimization. When traveling from SeaTac to Las Vegas, these airlines ensure a smooth and comfortable experience with their modern fleet and professional service.
Places to Visit in Las Vegas
Top places to visit in Las Vegas include the **Fountains of Bellagio**, A spectacular water show set to music, located in front of the Bellagio Hotel on the Las Vegas Strip.; the **High Roller Observation Wheel**, One of the world’s tallest observation wheels, offering panoramic views of Las Vegas.; the **Red Rock Canyon National Conservation Area**, A scenic area known for its striking red rock formations, hiking, and outdoor activities.; the **The Las Vegas Strip**, The iconic stretch of Las Vegas Boulevard lined with famous hotels, casinos, and attractions.; and the **Stratosphere Tower**, A 350-meter tall observation tower with thrill rides and panoramic city views..
About Las Vegas
Experience the wonders of Las Vegas on your flight from SeaTac. Located in a fascinating region, this destination offers Las Vegas is a world-renowned entertainment capital famous for its vibrant nightlife, luxury resorts, casinos, Michelin-starred restaurants, and spectacular shows. The city attracts nearly 42 million visitors annually, offering a diverse range of attractions from iconic landmarks to outdoor adventures.[1][2]
Founded in 1905 and incorporated in 1911, Las Vegas grew rapidly after the legalization of gambling in 1931. The city became a major resort destination in the mid-20th century, known for its glamorous casinos and entertainment venues. Today, Las Vegas is a global tourism hub, blending its historic roots with modern attractions.[2]
The ideal time to explore Las Vegas is during Peak season in Las Vegas is typically from late spring through early fall, especially during major conventions, holidays, and weekends.[2], when the climate is perfect for sightseeing and outdoor adventures.
Get the best value for your money by booking flights from SeaTac to Las Vegas in September and opting for Thursday departures. Dive into the local culture and discover the culinary treasures of Las Vegas.
Airlines Flying from SeaTac to Las Vegas
Book your journey from SeaTac to Las Vegas with leading airlines including Spirit Airlines, Frontier Airlines, Allegiant Air, Alaska Airlines. These carriers provide excellent connectivity and multiple daily options for convenient travel.
The typical flight time is about 10-15 hours, with most flights featuring one stopover for better pricing and route optimization. When traveling from SeaTac to Las Vegas, these airlines ensure a smooth and comfortable experience with their modern fleet and professional service.
Hotels in Las Vegas
Accommodations near LAS Airport provide excellent connectivity for travelers visiting Las Vegas. Look for hotels with shuttle services and modern amenities.
Airport Statistics
As a premier transportation hub, the airport boasts extensive connectivity through multiple domestic and international routes, facilitating seamless passenger flow via its state-of-the-art terminal infrastructure. Enhanced by modern facilities, including cutting-edge baggage handling systems and a diverse range of passenger services, the airport ensures an efficient and comfortable travel experience for all travelers.
About Las Vegas
Experience the wonders of Las Vegas on your flight from SeaTac. Located in a fascinating region, this destination offers Las Vegas is a world-renowned entertainment capital famous for its vibrant nightlife, luxury resorts, casinos, Michelin-starred restaurants, and spectacular shows. The city attracts nearly 42 million visitors annually, offering a diverse range of attractions from iconic landmarks to outdoor adventures.[1][2]
Founded in 1905 and incorporated in 1911, Las Vegas grew rapidly after the legalization of gambling in 1931. The city became a major resort destination in the mid-20th century, known for its glamorous casinos and entertainment venues. Today, Las Vegas is a global tourism hub, blending its historic roots with modern attractions.[2]
The ideal time to explore Las Vegas is during Peak season in Las Vegas is typically from late spring through early fall, especially during major conventions, holidays, and weekends.[2], when the climate is perfect for sightseeing and outdoor adventures.
Get the best value for your money by booking flights from SeaTac to Las Vegas in September and opting for Thursday departures. Dive into the local culture and discover the culinary treasures of Las Vegas.
Places to Visit in Las Vegas
Top places to visit in Las Vegas include the **Fountains of Bellagio**, A spectacular water show set to music, located in front of the Bellagio Hotel on the Las Vegas Strip.; the **High Roller Observation Wheel**, One of the world’s tallest observation wheels, offering panoramic views of Las Vegas.; the **Red Rock Canyon National Conservation Area**, A scenic area known for its striking red rock formations, hiking, and outdoor activities.; the **The Las Vegas Strip**, The iconic stretch of Las Vegas Boulevard lined with famous hotels, casinos, and attractions.; and the **Stratosphere Tower**, A 350-meter tall observation tower with thrill rides and panoramic city views..
Hotels in Las Vegas
Accommodations near LAS Airport provide excellent connectivity for travelers visiting Las Vegas. Look for hotels with shuttle services and modern amenities.
Airlines Flying from SeaTac to Las Vegas
Book your journey from SeaTac to Las Vegas with leading airlines including Spirit Airlines, Frontier Airlines, Allegiant Air, Alaska Airlines. These carriers provide excellent connectivity and multiple daily options for convenient travel.
The typical flight time is about 10-15 hours, with most flights featuring one stopover for better pricing and route optimization. When traveling from SeaTac to Las Vegas, these airlines ensure a smooth and comfortable experience with their modern fleet and professional service.
Frequently Asked Questions
What's the lowest price for flights from SeaTac to Las Vegas?
You can find flights starting from $39. For better deals, book during September and choose Thursday departures.
How long is the journey from SeaTac to Las Vegas?
The average flight time is about 10-15 hours, with most routes including one stopover for better pricing and comfort.
What airlines operate flights on this route?
Several airlines serve this route including Spirit Airlines, Frontier Airlines, Allegiant Air. Research current schedules and compare prices for the best deal.
How far in advance should I book?
For the best prices, book 2-3 months ahead and consider traveling during September when prices are typically lower.
What accommodation options are near LAS Airport?
LAS Airport has several nearby hotels with shuttle services, making it convenient for travelers with early or late flights.
What attractions can I visit in Las Vegas?
Las Vegas features a wonderful combination of historical sites and modern attractions. The best time to visit is during Peak season in Las Vegas is typically from late spring through early fall, especially during major conventions, holidays, and weekends.[2] for optimal sightseeing.
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