Cheapest return flights from Seattle to Phoenix in April from $108

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 April 2025 (see full year).

Return flights

04 Apr - 07 Apr Frontier Airlines direct
15 Apr - 22 Apr Frontier Airlines direct
03 Apr - 06 Apr Alaska Airlines direct
14 Apr - 21 Apr Alaska Airlines direct
12 Apr - 19 Apr Frontier Airlines direct
23 Apr - 27 Apr Alaska Airlines direct
18 Apr - 21 Apr Alaska Airlines direct
24 Apr - 27 Apr Alaska Airlines direct
17 Apr - 21 Apr Alaska Airlines
17 Apr - 21 Apr Alaska Airlines direct
25 Apr - 12 May Sun Country Airlines
25 Apr - 16 May Sun Country Airlines
25 Apr - 09 May Sun Country Airlines
25 Apr - 11 May Sun Country Airlines
24 Apr - 12 May Sun Country Airlines
24 Apr - 09 May Sun Country Airlines
24 Apr - 11 May Sun Country Airlines

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

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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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