Cheapest return flights from Seattle to Phoenix in March from $77

Best time to book flights for Seattle (SEA) to Phoenix (PHX) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Phoenix (PHX) in March 2025 (see full year).

Return flights

03 Mar - 08 Mar Frontier Airlines direct
19 Mar - 25 Mar Frontier Airlines direct
19 Mar - 26 Mar Frontier Airlines direct
06 Mar - 15 Mar Frontier Airlines direct
11 Mar - 15 Mar Frontier Airlines direct
14 Mar - 22 Mar Frontier Airlines direct
13 Mar - 18 Mar Frontier Airlines direct
10 Mar - 11 Mar Delta direct
26 Mar - 30 Mar Frontier Airlines direct
01 Mar - 09 Mar Frontier Airlines

Also check the deals for one-way flights from Seattle to Phoenix in March.

Skyscanner

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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