Harry Reid International (LAS) to Seattle-Tacoma International (SEA).
| Departure | Return | Price |
|---|---|---|
| 06/02/2026 | 06/09/2026 | $117 |
| 06/03/2026 | 06/09/2026 | $117 |
| 06/02/2026 | 06/08/2026 | $122 |
| 06/03/2026 | 06/08/2026 | $122 |
| 06/04/2026 | 06/09/2026 | $127 |
| 06/16/2026 | 06/24/2026 | $128 |
| 06/17/2026 | 06/24/2026 | $128 |
| 06/24/2026 | 07/01/2026 | $128 |
| 07/07/2026 | 07/15/2026 | $128 |
| 07/08/2026 | 07/15/2026 | $128 |
Based on current fares, August is the cheapest month to fly from Las Vegas to Seattle, with average fares around $145 round trip (as low as $128).
May tends to be more expensive, averaging $175.
See the full month-by-month and day-of-week price analysis
Best Time to Fly LAS → SEADeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Las Vegas to Seattle is August, with average round-trip fares around $145. Fares in August start as low as $128. The most expensive month is May, averaging $175.
A nonstop flight from Las Vegas to Seattle takes approximately 2h 30m.
The cheapest flight from Las Vegas to Seattle currently starts at $117 round trip in economy class.
The average round-trip flight price from Las Vegas to Seattle is $187 in economy class.
The distance is 867 miles (1395 km). with a nonstop flight time of about 2h 30m. The lowest fare currently available is $117 departing in June. The average round-trip fare is $187.
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