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Cheap flights from Pittsburgh to Houston from $99

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:02 pm - 7:05 pm
PIT
-
IAH
3h 03mnonstop
United Airlines Logo
8:03 pm - 11:59 pm
IAH
-
PIT
2h 56mnonstop
$328United Airlines
Mon, Jun 8 - Tue, Jun 9
American Airlines Logo
5:01 am - 9:25 am
PIT
-
IAH
5h 24m
1 stop
American Airlines Logo
7:03 am - 4:29 pm
IAH
-
PIT
8h 26m
1 stop
$329American Airlines
Thu, Jun 18 - Fri, Jun 19
American Airlines Logo
6:01 am - 1:17 pm
PIT
-
IAH
8h 16m
1 stop
American Airlines Logo
11:09 am - 6:14 pm
IAH
-
PIT
6h 05m
1 stop
$330American Airlines
Wed, Jul 1 - Tue, Jul 7
Delta Logo
12:17 pm - 6:32 pm
PIT
-
IAH
7h 15m
1 stop
Delta Logo
5:20 am - 11:18 am
IAH
-
PIT
4h 58m
1 stop
$332Delta
Mon, Aug 10 - Sat, Aug 15
American Airlines Logo
9:44 am - 2:12 pm
PIT
-
IAH
5h 28m
1 stop
American Airlines Logo
5:01 am - 10:48 am
IAH
-
PIT
4h 47m
1 stop
$334American Airlines
Thu, Jun 4 - Thu, Jun 11
American Airlines Logo
7:15 am - 1:19 pm
PIT
-
IAH
7h 04m
1 stop
American Airlines Logo
2:08 pm - 11:01 pm
IAH
-
PIT
7h 53m
1 stop
$335American Airlines
Thu, Sep 24 - Mon, Sep 28
Delta Logo
6:30 am - 10:39 am
PIT
-
IAH
5h 09m
1 stop
Delta Logo
9:49 am - 3:34 pm
IAH
-
PIT
4h 45m
1 stop
$336Delta
Wed, May 27 - Thu, May 28
United Airlines Logo
5:02 pm - 7:05 pm
PIT
-
IAH
3h 03mnonstop
United Airlines Logo
6:10 am - 1:07 pm
IAH
-
PIT
5h 57m
1 stop
$338United Airlines
Mon, Jun 8 - Tue, Jun 9
Delta Logo
10:25 am - 2:30 pm
PIT
-
IAH
5h 05m
1 stop
Delta Logo
8:05 am - 3:50 pm
IAH
-
PIT
6h 45m
1 stop
$342Delta
Thu, Jun 11 - Mon, Jun 15
Frontier Logo
7:10 pm - 6:25 pm
PIT
-
IAH
24h 15m
1 stop
Frontier Logo
7:24 pm - 6:15 pm
IAH
-
PIT
21h 51m
1 stop
$351Frontier
Mon, Aug 10 - Sat, Aug 15

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
Jun 18
PIT5:01 amPittsburgh
5h 24m
1 stop
IAH9:25 amHouston George Bush Intcntl
Jun 19
IAH7:03 amHouston George Bush Intcntl
8h 26m
1 stop
PIT4:29 pmPittsburgh
$329
American Airlines
Jul 1
PIT6:01 amPittsburgh
8h 16m
1 stop
IAH1:17 pmHouston George Bush Intcntl
Jul 7
IAH11:09 amHouston George Bush Intcntl
6h 05m
1 stop
PIT6:14 pmPittsburgh
$330
American Airlines
Jun 4
PIT6:01 amPittsburgh
5h 52m
1 stop
IAH10:53 amHouston George Bush Intcntl
Jun 11
IAH5:01 amHouston George Bush Intcntl
4h 47m
1 stop
PIT10:48 amPittsburgh
$332

United Airlines flights from Pittsburgh to Houston George Bush Intcntl Airport

Our best United Airlines deals on Pittsburgh to Houston George Bush Intcntl Airport flight tickets
United Airlines
Jun 8
PIT5:02 pmPittsburgh
3h 03m
IAH7:05 pmHouston George Bush Intcntl
Jun 9
IAH8:03 pmHouston George Bush Intcntl
2h 56m
PIT11:59 pmPittsburgh
$328
United Airlines
Jun 8
PIT5:02 pmPittsburgh
3h 03m
IAH7:05 pmHouston George Bush Intcntl
Jun 9
IAH6:10 amHouston George Bush Intcntl
5h 57m
1 stop
PIT1:07 pmPittsburgh
$338
United Airlines
Jul 1
PIT6:15 amPittsburgh
3h 03m
IAH8:18 amHouston George Bush Intcntl
Jul 3
IAH12:00 pmHouston George Bush Intcntl
2h 56m
PIT3:56 pmPittsburgh
$365

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 May 11, 2026.
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

Cheapest round-trip
Quickest round-trip

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Mon 6/8

5:02 pm-7:05 pm

Nonstop3h 03m

Houston George Bush Intcntl

Tue 6/9

8:03 pm-11:59 pm

Nonstop2h 56m

$328

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Thu 6/18

5:01 am-9:25 am

1 stop5h 24m

Houston George Bush Intcntl

Fri 6/19

7:03 am-4:29 pm

1 stop8h 26m

$329

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Wed 7/1

6:01 am-1:17 pm

1 stop8h 16m

Houston George Bush Intcntl

Tue 7/7

11:09 am-6:14 pm

1 stop6h 05m

$330

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Mon 8/10

12:17 pm-6:32 pm

1 stop7h 15m

Houston George Bush Intcntl

Sat 8/15

5:20 am-11:18 am

1 stop4h 58m

$332

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Thu 6/4

9:44 am-2:12 pm

1 stop5h 28m

Houston George Bush Intcntl

Thu 6/11

5:01 am-10:48 am

1 stop4h 47m

$334

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Thu 9/24

7:15 am-1:19 pm

1 stop7h 04m

Houston George Bush Intcntl

Mon 9/28

2:08 pm-11:01 pm

1 stop7h 53m

$335

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Wed 5/27

6:30 am-10:39 am

1 stop5h 09m

Houston George Bush Intcntl

Thu 5/28

9:49 am-3:34 pm

1 stop4h 45m

$336

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Mon 6/8

5:02 pm-7:05 pm

Nonstop3h 03m

Houston George Bush Intcntl

Tue 6/9

6:10 am-1:07 pm

1 stop5h 57m

$338

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Thu 6/11

10:25 am-2:30 pm

1 stop5h 05m

Houston George Bush Intcntl

Mon 6/15

8:05 am-3:50 pm

1 stop6h 45m

$342

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Mon 8/10

7:10 pm-6:25 pm

1 stop24h 15m

Houston George Bush Intcntl

Sat 8/15

7:24 pm-6:15 pm

1 stop21h 51m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Pittsburgh and Houston George Bush Intcntl Airport?

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

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Pittsburgh, with most prices found around $313. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Pittsburgh during the month August is also very affordable. Most momondo users find prices during this month for around $319.

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 Wednesday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Wednesday will often find tickets for as low as $457. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $588.

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 at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $457. Try not to purchase tickets in the morning because they tend to be around $520. 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 from Pittsburgh 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 $414 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.

Can stopping save me money on Pittsburgh to Houston George Bush Intcntl Airport flights?

No. A direct flight is the cheapest option for a flight between Pittsburgh to Houston George Bush Intcntl Airport.

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

As of May 2026, prices for Pittsburgh to Houston George Bush Intcntl Airport flights are approximately 140% 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

$196

Fastest flight time

3h 02m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Pittsburgh in the past 72 hours is $196. The best round-trip flight deal from Pittsburgh to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $426.
The fastest flight from Pittsburgh to Houston George Bush Intcntl Airport takes 3h 02m
Direct flights go from Pittsburgh to Houston George Bush Intcntl Airport every day.
Search flight deals

Frequently asked questions about flying from Pittsburgh to Houston George Bush Intcntl Airport

  • 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 3h 02m, 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 $96Free CancellationRating
6.3
8,633 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,661 reviews
Search American Airlines flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
9,701 reviews
Search United Airlines 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 26 flights on this route every week with an average price of $457. 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
Katy
The Woodlands
Conroe
Humble
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

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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