Miami (MIA) to Denver (DEN) flight deal from $157 USD in economy class

UAUnited Airlines

Round Trip•Economy

MIA

Miami International Airport

Miami, United States

DEN

Denver International Airport

Denver, United States

$424 USD

-63%$157 USD

Verified Nov 6, 2025 at 5:24 AM

December 2025

Today

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Tue

Wed

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Sun

1$477 2$255 3$173 4$198 5$188 6$209 7$278 8$235 9$229 10$205 11$267 12$289 13$383 14$356 15$381 16$258 17$216 18$330 19$408 20$408 21$342 22$330 23$301 24$211 25$197 26$368 27$561 28$520 29$368 30$281 31$278 1 2 3 4

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Friday, December 12th, 2025

10 round-trip options

Returning

Wed, Dec 17, 2025•5 Day Trip

$289 USD

Google Flights

Returning

Thu, Dec 18, 2025•6 Day Trip

$400 USD

Google Flights

Returning

Fri, Dec 19, 2025•7 Day Trip

$590 USD

Google Flights

Returning

Sat, Dec 20, 2025•8 Day Trip

$585 USD

Google Flights

Returning

Sun, Dec 21, 2025•9 Day Trip

$486 USD

Google Flights

Returning

Mon, Dec 22, 2025•10 Day Trip

$421 USD

Google Flights

Returning

Tue, Dec 23, 2025•11 Day Trip

$485 USD

Google Flights

Returning

Wed, Dec 24, 2025•12 Day Trip

$344 USD

Google Flights

Returning

Thu, Dec 25, 2025•13 Day Trip

$363 USD

Google Flights

Returning

Fri, Dec 26, 2025•14 Day Trip

$669 USD

Google Flights