PIT to IAH from $175 in economy

UAUnited Airlines

Round Trip•Economy

PIT

Pittsburgh International Airport

Pittsburgh, United States

IAH

George Bush Intercontinental Airport

Houston, United States

$358 USD

-51%$175 USD

Verified about 6 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$337 1$206 2$175 3$175 4$260 5$206 6$329 7$288 8$216 9$175 10$206 11$260 12$247 13$370 14$245 15$206 16$206 17$216 18$271 19$282 20$329 21$206 22$260 23$284 24$258 25$260 26$409 27$358 28$329 29$260 30$216 31$206 1$260 2$271 3$329

Limited Availability

12% of dates checked are available within 10% of the lowest price

Wednesday, December 16th, 2026

10 round-trip options

Returning

Mon, Dec 21, 2026•5 Day Trip

$301 USD

Google Flights

Returning

Tue, Dec 22, 2026•6 Day Trip

$276 USD

Google Flights

Returning

Wed, Dec 23, 2026•7 Day Trip

$291 USD

Google Flights

Returning

Thu, Dec 24, 2026•8 Day Trip

$247 USD

Google Flights

Returning

Fri, Dec 25, 2026•9 Day Trip

$291 USD

Google Flights

Returning

Sat, Dec 26, 2026•10 Day Trip

$302 USD

Google Flights

Returning

Sun, Dec 27, 2026•11 Day Trip

$360 USD

Google Flights

Returning

Mon, Dec 28, 2026•12 Day Trip

$302 USD

Google Flights

Returning

Tue, Dec 29, 2026•13 Day Trip

$237 USD

Google Flights

Returning

Wed, Dec 30, 2026•14 Day Trip

$206 USD

Google Flights

Pittsburgh (PIT) to Houston (IAH) flight deal in economy from $175

Pittsburgh International Airport

George Bush Intercontinental Airport

December 2026

Wednesday, December 16th, 2026