$38 Cheap Flights from Pittsburgh (PIT) to Houston (IAH)

View $38 flight on Sat, Sep 20, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Pittsburgh to Houston (PIT-IAH)

Prices were available within the past 7 days and start at $38 for one-way flights and $76 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Sep 20 - Sat, Sep 27
PIT
Pittsburgh
IAH
Houston
$76 Roundtrip, just found
$76
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Sep 20 from Pittsburgh to Houston, returning Sat, Sep 27, priced at $76 just found
Spirit Airlines
Sat, Sep 20 - Sat, Sep 27
PIT
Pittsburgh
IAH
Houston
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Sep 20 from Pittsburgh to Houston, returning Sat, Sep 27, priced at $90 just found
Spirit Airlines
Sat, Sep 13 - Sat, Sep 20
PIT
Pittsburgh
IAH
Houston
$96 Roundtrip, found 1 day ago
$96
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sat, Sep 13 from Pittsburgh to Houston, returning Sat, Sep 20, priced at $96 found 1 day ago
Spirit Airlines
Sat, Sep 6 - Tue, Sep 9
PIT
Pittsburgh
IAH
Houston
$104 Roundtrip, found 13 hours ago
$104
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Sat, Sep 6 from Pittsburgh to Houston, returning Tue, Sep 9, priced at $104 found 13 hours ago
Spirit Airlines
Sat, Sep 13 - Wed, Sep 17
PIT
Pittsburgh
IAH
Houston
$110 Roundtrip, found 1 day ago
$110
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sat, Sep 13 from Pittsburgh to Houston, returning Wed, Sep 17, priced at $110 found 1 day ago
Spirit Airlines
Sat, Sep 20 - Sat, Sep 27
PIT
Pittsburgh
IAH
Houston
$114 Roundtrip, just found
$114
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Sep 20 from Pittsburgh to Houston, returning Sat, Sep 27, priced at $114 just found
Frontier Airlines
Fri, May 30 - Mon, Jun 9
PIT
Pittsburgh
IAH
Houston
$271 Roundtrip, just found
$271
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 30 from Pittsburgh to Houston, returning Mon, Jun 9, priced at $271 just found
American Airlines
Tue, Jul 1 - Thu, Jul 3
PIT
Pittsburgh
IAH
Houston
$281 Roundtrip, found 18 hours ago
$281
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Jul 1 from Pittsburgh to Houston, returning Thu, Jul 3, priced at $281 found 18 hours ago
United
Sun, May 25 - Wed, Jun 4
PIT
Pittsburgh
IAH
Houston
$283 Roundtrip, just found
$283
Roundtrip
just found
Select United flight, departing Sun, May 25 from Pittsburgh to Houston, returning Wed, Jun 4, priced at $283 just found
JetBlue Airways
Sun, May 25 - Sat, May 31
PIT
Pittsburgh
IAH
Houston
$299 Roundtrip, found 9 hours ago
$299
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Sun, May 25 from Pittsburgh to Houston, returning Sat, May 31, priced at $299 found 9 hours ago

Frequently asked questions

How much does a flight from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH) cost?
Cheap return flights from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH) start at $225. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving PIT on May 11 2025 and touching down at IAH. The price was last updated on April 19 2025 and has not changed since.
What is the cheapest month to fly from PIT to IAH?
The cheapest flights from PIT to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH)?
Fly nonstop from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH) on a United Airlines flight.
What is the cheapest airline that flies from PIT to IAH?
Currently, the cheapest airline operating one-way flights from PIT to IAH is United. You can book a seat on this route from $142. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PIT on June 11 2025. Prices were last updated on April 19 2025 and have not changed since.
How many flights per day from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH)?
When jetting out of Pittsburgh Intl. Airport (PIT), you can take your pick from an average of 2 daily direct flights to George Bush Intercontinental Airport (IAH).
What are the most popular departure times for flights from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH)?
More passengers fly between PIT and IAH at 12 PM than at any other time of day. Prefer a quieter experience? Consider flying outside peak hours and there’s a chance you’ll save on your fare as well.
What day of the week has the most flights from PIT to IAH?
If you fly on a Friday, you’ll get the greatest range of choices for flights from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH)?
The earliest flight leaving from Pittsburgh Intl. Airport (PIT) is at around 6:00AM UTC-5. Board this flight and you’ll touch down at George Bush Intercontinental Airport (IAH) at approximately 8:32AM UTC-6. The total flight duration is 3h 32m.
How long does it take to fly from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH)?
It takes around 3 hours and 35 minutes to cover the 1,100 mi from PIT to IAH.
What airline has the least delays from PIT to IAH?
With 80% of journeys generally arriving as scheduled, United Airlines has the best on-time performance for nonstop flights from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH). To keep track of your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH)?
To touch down at George Bush Intercontinental Airport (IAH) without delays, pick a flight that takes off from Pittsburgh Intl. Airport (PIT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Houston from Pittsburgh Intl. Airport (PIT)?
If you’re leaving on a direct flight from Pittsburgh Intl. Airport (PIT) to Houston, you’ll land at either George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your flight from PIT to IAH right before your getaway is typically more expensive. However, if you’re flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a PIT to IAH flight and hotel package?
Opting for a PIT to IAH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pittsburgh Intl. Airport (PIT) to George Bush Intercontinental Airport (IAH)?
It’s usually possible to reschedule or cancel your PIT to IAH flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.