Cheapest one-way flights from Las Vegas to Seattle in March from $29

AirHint found the following cheapest one-way flights from Las Vegas (LAS) to Seattle (SEA) in March 2026 (see full year).

One-Way flights

23 Mar Frontier Airlines direct
27 Mar Frontier Airlines direct
13 Mar Alaska Airlines direct
03 Mar Frontier Airlines direct
11 Mar Alaska Airlines direct
24 Mar Alaska Airlines direct
26 Mar Alaska Airlines direct
28 Mar Delta direct
30 Mar Delta direct
07 Mar Alaska Airlines direct

Also check the deals for return flights from Las Vegas to Seattle in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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