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Cheap flights from Pittsburgh to Houston from $47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Houston departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
5:05 pm - 12:28 amPIT-IAH
8h 23m2 stops
Spirit Airlines Logo
1:09 pm - 11:16 pmIAH-PIT
9h 07m1 stop
$174Spirit Airlines
Find Deal
Tue, Oct 21 - Wed, Oct 29
Spirit Airlines Logo
7:12 am - 11:51 amPIT-IAH
5h 39m1 stop
Spirit Airlines Logo
1:09 pm - 11:16 pmIAH-PIT
9h 07m1 stop
$178Spirit Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 15
Spirit Airlines Logo
7:12 am - 6:58 pmPIT-IAH
12h 46m2 stops
Spirit Airlines Logo
1:09 pm - 11:16 pmIAH-PIT
9h 07m1 stop
$180Spirit Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 15
Spirit Airlines Logo
7:10 am - 11:52 amPIT-IAH
5h 42m1 stop
Spirit Airlines Logo
12:47 pm - 11:23 pmIAH-PIT
9h 36m1 stop
$187Spirit Airlines
Find Deal
Tue, Sep 23 - Wed, Sep 24
Spirit Airlines Logo
6:51 pm - 12:28 amPIT-IAH
6h 37m1 stop
Spirit Airlines Logo
6:00 am - 5:46 pmIAH-PIT
10h 46m1 stop
$189Spirit Airlines
Find Deal
Sun, Oct 12 - Sun, Oct 19
Multiple Airlines Logo
9:34 am - 11:39 pmPIT-IAH
15h 05m2 stops
Multiple Airlines Logo
12:55 pm - 11:16 pmIAH-PIT
9h 21m1 stop
$199Multiple Airlines
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Fri, Sep 26 - Mon, Oct 27
Multiple Airlines Logo
6:51 pm - 12:28 amPIT-IAH
6h 37m1 stop
Multiple Airlines Logo
8:37 pm - 5:46 pmIAH-PIT
20h 09m2 stops
$207Multiple Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Frontier Logo
2:38 pm - 9:33 amPIT-IAH
19h 55m2 stops
Frontier Logo
4:37 pm - 1:53 pmIAH-PIT
20h 16m2 stops
$241Frontier
Find Deal
Fri, Nov 7 - Wed, Nov 12
American Airlines Logo
3:01 pm - 11:32 pmPIT-IAH
9h 31m1 stop
American Airlines Logo
6:00 am - 4:31 pmIAH-PIT
9h 31m1 stop
$243American Airlines
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Sat, Nov 15 - Thu, Nov 20
Frontier Logo
5:40 pm - 11:36 pmPIT-IAH
6h 56m1 stop
Frontier Logo
6:00 am - 4:38 pmIAH-PIT
9h 38m1 stop
$255Frontier
Find Deal
Fri, Oct 24 - Sun, Oct 26

American Airlines flights from Pittsburgh to Houston George Bush Intcntl Airport

Our best American Airlines deals on Pittsburgh to Houston George Bush Intcntl Airport flight tickets
American Airlines
Nov 15
PIT3:01 pmPittsburgh
9h 31m
1 stop
IAH11:32 pmHouston George Bush Intcntl
Nov 20
IAH6:00 amHouston George Bush Intcntl
9h 31m
1 stop
PIT4:31 pmPittsburgh
$243
Find similar
American Airlines
Oct 1
PIT7:00 amPittsburgh
5h 39m
1 stop
IAH11:39 amHouston George Bush Intcntl
Oct 1
IAH2:27 pmHouston George Bush Intcntl
7h 11m
1 stop
PIT10:38 pmPittsburgh
$527
Find similar
American Airlines
Oct 1
PIT6:00 amPittsburgh
5h 08m
1 stop
IAH10:08 amHouston George Bush Intcntl
Oct 1
IAH12:09 pmHouston George Bush Intcntl
9h 11m
2 stops
PIT10:20 pmPittsburgh
$532
Find similar

Spirit Airlines flights from Pittsburgh to Houston George Bush Intcntl Airport

Our best Spirit Airlines deals on Pittsburgh to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines
Oct 21
PIT5:05 pmPittsburgh
8h 23m
2 stops
IAH12:28 amHouston George Bush Intcntl
Oct 29
IAH1:09 pmHouston George Bush Intcntl
9h 07m
1 stop
PIT11:16 pmPittsburgh
$174
Find similar
Spirit Airlines
Oct 14
PIT7:12 amPittsburgh
5h 39m
1 stop
IAH11:51 amHouston George Bush Intcntl
Oct 15
IAH1:09 pmHouston George Bush Intcntl
9h 07m
1 stop
PIT11:16 pmPittsburgh
$178
Find similar
Spirit Airlines
Oct 14
PIT7:12 amPittsburgh
12h 46m
2 stops
IAH6:58 pmHouston George Bush Intcntl
Oct 15
IAH1:09 pmHouston George Bush Intcntl
9h 07m
1 stop
PIT11:16 pmPittsburgh
$180
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Pittsburgh to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Tue 10/21

5:05 pm-12:28 am

2 stops8h 23m

Houston George Bush Intcntl

Wed 10/29

1:09 pm-11:16 pm

1 stop9h 07m

$174

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Tue 10/14

7:12 am-11:51 am

1 stop5h 39m

Houston George Bush Intcntl

Wed 10/15

1:09 pm-11:16 pm

1 stop9h 07m

$178

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Tue 10/14

7:12 am-6:58 pm

2 stops12h 46m

Houston George Bush Intcntl

Wed 10/15

1:09 pm-11:16 pm

1 stop9h 07m

$180

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Tue 9/23

7:10 am-11:52 am

1 stop5h 42m

Houston George Bush Intcntl

Wed 9/24

12:47 pm-11:23 pm

1 stop9h 36m

$187

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Sun 10/12

6:51 pm-12:28 am

1 stop6h 37m

Houston George Bush Intcntl

Sun 10/19

6:00 am-5:46 pm

1 stop10h 46m

$189

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Fri 9/26

9:34 am-11:39 pm

2 stops15h 05m

Houston George Bush Intcntl

Mon 10/27

12:55 pm-11:16 pm

1 stop9h 21m

$199

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Fri 10/17

6:51 pm-12:28 am

1 stop6h 37m

Houston George Bush Intcntl

Sun 10/19

8:37 pm-5:46 pm

2 stops20h 09m

$207

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Fri 11/7

2:38 pm-9:33 am

2 stops19h 55m

Houston George Bush Intcntl

Wed 11/12

4:37 pm-1:53 pm

2 stops20h 16m

$241

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Sat 11/15

3:01 pm-11:32 pm

1 stop9h 31m

Houston George Bush Intcntl

Thu 11/20

6:00 am-4:31 pm

1 stop9h 31m

$243

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Fri 10/24

5:40 pm-11:36 pm

1 stop6h 56m

Houston George Bush Intcntl

Sun 10/26

6:00 am-4:38 pm

1 stop9h 38m

$255

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Pittsburgh to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Pittsburgh, with most prices found around $321. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from Pittsburgh during the month February is also very affordable. Most momondo users find prices during this month for around $358.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Pittsburgh to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $506. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Saturday is $639.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Pittsburgh to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $528. Try not to purchase tickets at noon because they tend to be around $595. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Pittsburgh to Houston George Bush Intcntl flight route?

Fly from Pittsburgh to Houston George Bush Intcntl for the best Pittsburgh - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Pittsburgh for as low as $90 on momondo.

What cabin class options are available on Pittsburgh to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Pittsburgh to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Pittsburgh to Houston George Bush Intcntl Airport flight prices changed over time?

As of September 2025, prices for Pittsburgh to Houston George Bush Intcntl Airport flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Pittsburgh to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pittsburgh to Houston George Bush Intcntl Airport (PIT to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to Houston George Bush Intcntl Airport

Best Price Found

$182

Fastest flight time

3h 03m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Pittsburgh in the past 72 hours is $182. The best round-trip flight deal from Pittsburgh to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $389.
The fastest flight from Pittsburgh to Houston George Bush Intcntl Airport takes 3h 03m
Direct flights go from Pittsburgh to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Pittsburgh to Houston George Bush Intcntl by plane?

    The straight-line distance from Pittsburgh to Houston George Bush Intcntl is 1124.1 mi. Flights usually cover this in 5h 39m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Pittsburgh Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Pittsburgh Airport to Houston George Bush Intcntl Airport were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Pittsburgh Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Pittsburgh to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Pittsburgh to Houston George Bush Intcntl Airport?

Best airlines flying from Pittsburgh to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Pittsburgh to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $90Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $378Free CancellationRating
7.9
7,961 reviews
Search Delta flights

  • United Airlines Flights From Pittsburgh to Houston George Bush Intcntl Airport

    The lowest priced United Airlines flight from Pittsburgh to Houston George Bush Intcntl Airport from the last 72 hours was $306. Generally, United Airlines has 18 flights on this route every week with an average price of $478. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pittsburgh to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from Pittsburgh to Houston with flexible booking policies on momondo?

Yes. All flights to Houston from Pittsburgh on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pittsburgh to Houston?

momondo provides multiple filters to help you find the best flight to Houston from Pittsburgh. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Pittsburgh to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Pittsburgh are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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