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Cheap flights from Pittsburgh International to Houston

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Compare Pittsburgh International to Houston flight deals

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Flight deals from Pittsburgh International to Houston

Looking for a cheap last-minute deal or the best round-trip flight from Pittsburgh International to Houston? Find the lowest prices on one-way and round-trip tickets right here.
Houston.C$232 per passenger.Departing Fri, May 16, returning Sun, May 18.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Fri, May 16, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Sun, May 18, arriving in Pittsburgh International.Price includes taxes and charges.From C$232, select.
Houston.C$234 per passenger.Departing Tue, Jun 10, returning Wed, Jul 16.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Tue, Jun 10, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Wed, Jul 16, arriving in Pittsburgh International.Price includes taxes and charges.From C$234, select.
Houston.C$235 per passenger.Departing Mon, Apr 28, returning Thu, May 1.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Mon, Apr 28, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Thu, May 1, arriving in Pittsburgh International.Price includes taxes and charges.From C$235, select.
Houston.C$254 per passenger.Departing Thu, Jun 12, returning Mon, Jun 16.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Thu, Jun 12, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Mon, Jun 16, arriving in Pittsburgh International.Price includes taxes and charges.From C$254, select.
Houston.C$256 per passenger.Departing Wed, Jul 23, returning Mon, Jul 28.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Wed, Jul 23, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Mon, Jul 28, arriving in Pittsburgh International.Price includes taxes and charges.From C$256, select.
Houston.C$271 per passenger.Departing Thu, May 29, returning Thu, Aug 14.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Thu, May 29, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Thu, Aug 14, arriving in Pittsburgh International.Price includes taxes and charges.From C$271, select.
Houston.C$279 per passenger.Departing Fri, May 30, returning Mon, Jun 2.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Fri, May 30, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Mon, Jun 2, arriving in Pittsburgh International.Price includes taxes and charges.From C$279, select.
Houston.C$281 per passenger.Departing Fri, Nov 14, returning Sun, Nov 16.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Fri, Nov 14, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Sun, Nov 16, arriving in Pittsburgh International.Price includes taxes and charges.From C$281, select.

When is the cheapest time to fly from Pittsburgh International to Houston?

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Pittsburgh International to Houston flights are currently cheapest in May.
Apr
from C$347
May
from C$232
Jun
from C$254
Jul
from C$256
Aug
from C$471
Sep
from C$471
Oct
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Nov
from C$281
Dec
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Jan
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Feb
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Mar
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Direct flights from Pittsburgh International to Houston

Alternative Pittsburgh International to Houston routes

Looking for the cheapest, fastest or easiest route from Pittsburgh International to Houston? You could fly into the following airports instead.

Pittsburgh to Houston: Flight information

The things to know before you go.
Cheapest flight foundC$232
Cheapest month to flyMay
Average flight time3 hrs, 10 mins
Most popular airlineUnited
Average flights per week65

Finding cheap flights from Pittsburgh International to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a round-trip flight from Pittsburgh International to Houston is C$232. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 10 minutes is the average flight time from Pittsburgh International to Houston.
United, Southwest Airlines and Air New Zealand fly direct from Pittsburgh International to Houston.
There are 65 flights per week flying from Pittsburgh International to Houston, as of April 2025.
The cheapest month to fly from Pittsburgh International to Houston is usually April 2025.
If you're flying from Pittsburgh International Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the center of Houston. We've found flights to this airport from C$232.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to Houston on Friday, May 16, 2025.
Yes – the average flight time is 3 hours and 10 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 20°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Spirit Airlines and Southwest Airlines offer the cheapest flight tickets to Houston.

How to find cheap flights to Houston from Pittsburgh International

Looking for cheap tickets from Pittsburgh International to Houston? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Pittsburgh International to Houston. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to Houston from Pittsburgh International from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best Pittsburgh International–Houston ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Houston from Pittsburgh International.
  • Set up a Price Alert. You can easily track the fare of your cheap Pittsburgh International–Houston flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Pittsburgh International and Houston? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from Pittsburgh International and Houston. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Houston, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Pittsburgh International to Houston flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

    • Combine your flight to Houston from Pittsburgh International with hotels and car rental

    Once you've secured your cheap flight ticket from Pittsburgh International to Houston, discover the best prices and exclusive rates for hotels in Houston or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


Plan the rest of your trip from Pittsburgh to Houston

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.