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

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2$800 3$613 4$550 5$708 6$708 7$629 8$668 9$681 10$629 11$594 12$524 13$530 14$391 15$391 16$350 17$483 18$360 19$350 20$350 21$350 22$350 23$310 24$310 25$171 26$310 27$310 28$171 29$304 30$310 31$310 1$171 2$310

Rare Availability

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

Sunday, July 19th, 2026

7 round-trip options

Returning

Fri, Jul 24, 2026•5 Day Trip

$489 USD

Google Flights

Returning

Sun, Jul 26, 2026•7 Day Trip

$489 USD

Google Flights

Returning

Mon, Jul 27, 2026•8 Day Trip

$489 USD

Google Flights

Returning

Tue, Jul 28, 2026•9 Day Trip

$350 USD

Google Flights

Returning

Wed, Jul 29, 2026•10 Day Trip

$350 USD

Google Flights

Returning

Sat, Aug 1, 2026•13 Day Trip

$350 USD

Google Flights

Returning

Sun, Aug 2, 2026•14 Day Trip

$489 USD

Google Flights

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

George Bush Intercontinental Airport

Harry Reid International Airport

July 2026

Sunday, July 19th, 2026