Denver (DEN) to Phoenix (PHX) cheap flight deal from $137 USD in economy class

WNSouthwest Airlines

Round Trip•Economy

DEN

Denver International Airport

Denver, United States

PHX

Phoenix Sky Harbor International Airport

Phoenix, United States

$249 USD

-45%$137 USD

Verified Sep 19, 2025 at 6:34 PM

October 2025

Today

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Wed

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Sun

29$263 30$243 1$217 2$237 3$207 4$183 5$267 6$207 7$173 8$173 9$197 10$247 11$237 12$282 13$215 14$147 15$147 16$177 17$177 18$173 19$177 20$147 21$137 22$137 23$147 24$157 25$137 26$157 27$147 28$137 29$137 30$147 31$177 1 2

Limited Availability

11% of dates checked are available within 10% of the lowest price

Sunday, October 12th, 2025

10 round-trip options

Returning

Fri, Oct 17, 2025•5 Day Trip

$350 USD

Google Flights

Returning

Sat, Oct 18, 2025•6 Day Trip

$328 USD

Google Flights

Returning

Sun, Oct 19, 2025•7 Day Trip

$332 USD

Google Flights

Returning

Mon, Oct 20, 2025•8 Day Trip

$292 USD

Google Flights

Returning

Tue, Oct 21, 2025•9 Day Trip

$282 USD

Google Flights

Returning

Wed, Oct 22, 2025•10 Day Trip

$282 USD

Google Flights

Returning

Thu, Oct 23, 2025•11 Day Trip

$292 USD

Google Flights

Returning

Fri, Oct 24, 2025•12 Day Trip

$302 USD

Google Flights

Returning

Sat, Oct 25, 2025•13 Day Trip

$282 USD

Google Flights

Returning

Sun, Oct 26, 2025•14 Day Trip

$332 USD

Google Flights