LAS to DEN from $149 in economy

UAUnited Airlines

Round Trip•Economy

LAS

Harry Reid International Airport

Las Vegas, United States

DEN

Denver International Airport

Denver, United States

$263 USD

-43%$149 USD

Verified about 14 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$225 1$149 2$149 3$158 4$301 5$182 6$337 7$206 8$149 9$149 10$158 11$193 12$175 13$393 14$158 15$149 16$149 17$158 18$225 19$225 20$225 21$158 22$158 23$149 24$158 25$173 26$225 27$225 28$225 29$149 30$149 31$158 1$193 2$243 3$225

Limited Availability

16% of dates checked are available within 10% of the lowest price

Sunday, December 20th, 2026

8 round-trip options

Returning

Sat, Dec 26, 2026•6 Day Trip

$301 USD

Google Flights

Returning

Sun, Dec 27, 2026•7 Day Trip

$301 USD

Google Flights

Returning

Tue, Dec 29, 2026•9 Day Trip

$307 USD

Google Flights

Returning

Wed, Dec 30, 2026•10 Day Trip

$225 USD

Google Flights

Returning

Thu, Dec 31, 2026•11 Day Trip

$234 USD

Google Flights

Returning

Fri, Jan 1, 2027•12 Day Trip

$269 USD

Google Flights

Returning

Sat, Jan 2, 2027•13 Day Trip

$301 USD

Google Flights

Returning

Sun, Jan 3, 2027•14 Day Trip

$301 USD

Google Flights

Las Vegas (LAS) to Denver (DEN) flight deal in economy from $149

Harry Reid International Airport

Denver International Airport

December 2026

Sunday, December 20th, 2026