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

$378 USD

-55%$171 USD

Verified about 8 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$304 1$171 2$171 3$171 4$310 5$198 6$310 7$271 8$171 9$171 10$171 11$310 12$297 13$455 14$355 15$297 16$297 17$436 18$436 19$436 20$436 21$436 22$423 23$423 24$436 25$436 26$436 27$436 28$436 29$423 30$423 31$436 1$436 2$455 3$462

Limited Availability

15% of dates checked are available within 10% of the lowest price

Sunday, December 27th, 2026

10 round-trip options

Returning

Fri, Jan 1, 2027•5 Day Trip

$449 USD

Google Flights

Returning

Sat, Jan 2, 2027•6 Day Trip

$449 USD

Google Flights

Returning

Sun, Jan 3, 2027•7 Day Trip

$449 USD

Google Flights

Returning

Mon, Jan 4, 2027•8 Day Trip

$449 USD

Google Flights

Returning

Tue, Jan 5, 2027•9 Day Trip

$436 USD

Google Flights

Returning

Wed, Jan 6, 2027•10 Day Trip

$436 USD

Google Flights

Returning

Thu, Jan 7, 2027•11 Day Trip

$449 USD

Google Flights

Returning

Fri, Jan 8, 2027•12 Day Trip

$449 USD

Google Flights

Returning

Sat, Jan 9, 2027•13 Day Trip

$449 USD

Google Flights

Returning

Sun, Jan 10, 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 27th, 2026