IAH to LAS from $171 in economy

UAUnited Airlines

WNSouthwest Airlines

Round Trip•Economy

IAH

George Bush Intercontinental Airport

Houston, United States

LAS

Harry Reid International Airport

Las Vegas, United States

$391 USD

-56%$171 USD

Verified about 8 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$219 1$171 2$171 3$229 4$367 5$177 6$310 7$310 8$171 9$171 10$219 11$310 12$171 13$310 14$219 15$171 16$171 17$229 18$310 19$171 20$310 21$219 22$171 23$171 24$229 25$302 26$171 27$310 28$219 29$171 30$171 1$229 2$282 3$171 4$310

Rare Availability

6% of dates checked are available within 10% of the lowest price

Sunday, September 20th, 2026

6 round-trip options

Returning

Fri, Sep 25, 2026•5 Day Trip

$449 USD

Google Flights

Returning

Sat, Sep 26, 2026•6 Day Trip

$310 USD

Google Flights

Returning

Tue, Sep 29, 2026•9 Day Trip

$310 USD

Google Flights

Returning

Wed, Sep 30, 2026•10 Day Trip

$310 USD

Google Flights

Returning

Thu, Oct 1, 2026•11 Day Trip

$358 USD

Google Flights

Returning

Fri, Oct 2, 2026•12 Day Trip

$449 USD

Google Flights

Houston (IAH) to Las Vegas (LAS) flight deal in economy from $171

George Bush Intercontinental Airport

Harry Reid International Airport

September 2026

Sunday, September 20th, 2026