$139 Cheap United flights Seattle (SEA) to Las Vegas (LAS)

View $139 flight on Tue, Feb 10, 2026Opens in a new window

$139 Cheap United flights Seattle (SEA) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $139 for one-way flights and $207 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Feb 10 - Fri, Feb 13
SEA
Seattle
LAS
Las Vegas
$207 Roundtrip, found 4 days ago
$207
Roundtrip
found 4 days ago
Select United flight, departing Tue, Feb 10 from Seattle to Las Vegas, returning Fri, Feb 13, priced at $207 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Las Vegas (LAS)

January is typically the cheapest month to fly

From $53 - $117 per traveler.

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $120
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $120
Flights from Seattle (SEA) to Las Vegas (LAS)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1385 km
Average flight time
2 hours 28 mins