LAS to IAH from $171 in economy

UAUnited Airlines

WNSouthwest Airlines

Round Trip•Economy

LAS

Harry Reid International Airport

Las Vegas, United States

IAH

George Bush Intercontinental Airport

Houston, United States

$385 USD

-56%$171 USD

Verified about 16 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$310 1$171 2$171 3$219 4$310 5$198 6$310 7$271 8$171 9$171 10$219 11$310 12$297 13$436 14$368 15$297 16$297 17$436 18$436 19$436 20$436 21$449 22$423 23$423 24$436 25$436 26$436 27$436 28$449 29$423 30$423 31$436 1$449 2$495 3$488

Rare Availability

7% of dates checked are available within 10% of the lowest price

Sunday, December 20th, 2026

7 round-trip options

Returning

Fri, Dec 25, 2026•5 Day Trip

$449 USD

Google Flights

Returning

Sat, Dec 26, 2026•6 Day Trip

$449 USD

Google Flights

Returning

Sun, Dec 27, 2026•7 Day Trip

$449 USD

Google Flights

Returning

Wed, Dec 30, 2026•10 Day Trip

$436 USD

Google Flights

Returning

Thu, Dec 31, 2026•11 Day Trip

$449 USD

Google Flights

Returning

Fri, Jan 1, 2027•12 Day Trip

$449 USD

Google Flights

Returning

Sun, Jan 3, 2027•14 Day Trip

$449 USD

Google Flights

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

Harry Reid International Airport

George Bush Intercontinental Airport

December 2026

Sunday, December 20th, 2026