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Cheap flights from Pittsburgh to Houston from $45

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 1/21. 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

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Spirit Airlines Logo
7:59 am - 5:43 pm
PIT
-
IAH
10h 44m1 stop
Spirit Airlines Logo
6:14 am - 4:10 pm
IAH
-
PIT
8h 56m1 stop
$256Spirit Airlines
Sun, Dec 14 - Tue, Dec 16
Spirit Airlines Logo
8:00 am - 8:25 am
PIT
-
IAH
25h 25m3 stops
Spirit Airlines Logo
10:08 am - 10:42 pm
IAH
-
PIT
11h 34m1 stop
$257Spirit Airlines
Sat, Jan 3 - Tue, Jan 6
American Airlines Logo
1:14 pm - 6:06 pm
PIT
-
HOU
5h 52m1 stop
American Airlines Logo
6:00 am - 12:23 pm
HOU
-
PIT
5h 23m1 stop
$258American Airlines
Sat, Jan 31 - Sun, Feb 8
Multiple Airlines Logo
8:00 am - 5:50 pm
PIT
-
IAH
10h 50m1 stop
Multiple Airlines Logo
9:34 pm - 10:59 pm
IAH
-
PIT
24h 25m1 stop
$258Multiple Airlines
Tue, Dec 30 - Mon, Jan 5
Multiple Airlines Logo
8:00 am - 5:50 pm
PIT
-
IAH
10h 50m1 stop
Multiple Airlines Logo
9:34 pm - 10:59 pm
IAH
-
PIT
24h 25m1 stop
$259Multiple Airlines
Tue, Dec 30 - Mon, Jan 5
United Airlines Logo
6:00 am - 8:27 am
PIT
-
IAH
3h 27mnonstop
United Airlines Logo
7:45 am - 11:29 am
IAH
-
PIT
2h 44mnonstop
$261United Airlines
Thu, Feb 12 - Sun, Feb 15
United Airlines Logo
4:38 pm - 7:25 pm
PIT
-
IAH
3h 47mnonstop
United Airlines Logo
5:00 am - 4:44 pm
IAH
-
PIT
10h 44m1 stop
$263United Airlines
Sat, Jan 24 - Mon, Jan 26
Southwest Logo
12:35 pm - 4:45 pm
PIT
-
HOU
5h 10m1 stop
Southwest Logo
2:00 pm - 8:50 pm
HOU
-
PIT
5h 50m2 stops
$270Southwest
Thu, Jan 22 - Tue, Jan 27
Southwest Logo
10:00 am - 7:40 pm
PIT
-
HOU
10h 40m2 stops
Southwest Logo
2:00 pm - 8:45 pm
HOU
-
PIT
5h 45m2 stops
$281Southwest
Thu, Jan 22 - Tue, Jan 27
American Airlines Logo
5:00 am - 11:39 am
PIT
-
HOU
7h 39m1 stop
American Airlines Logo
6:00 am - 12:23 pm
HOU
-
PIT
5h 23m1 stop
$299American Airlines
Sat, Jan 3 - Wed, Jan 7

Southwest flights from Pittsburgh to Houston

Our best Southwest deals on Pittsburgh to Houston flight tickets
Southwest
Jan 22
PIT12:35 pmPittsburgh
5h 10m
1 stop
HOU4:45 pmHouston Hobby
Jan 27
HOU2:00 pmHouston Hobby
5h 50m
2 stops
PIT8:50 pmPittsburgh
$270
Find similar
Southwest
Jan 22
PIT10:00 amPittsburgh
10h 40m
2 stops
HOU7:40 pmHouston Hobby
Jan 27
HOU2:00 pmHouston Hobby
5h 45m
2 stops
PIT8:45 pmPittsburgh
$281
Find similar
Southwest
Dec 31
PIT5:35 pmPittsburgh
3h 20m
HOU7:55 pmHouston Hobby
Jan 7
HOU2:35 pmHouston Hobby
5h 15m
1 stop
PIT8:50 pmPittsburgh
$297
Find similar

American Airlines flights from Pittsburgh to Houston

Our best American Airlines deals on Pittsburgh to Houston flight tickets
American Airlines
Jan 31
PIT1:14 pmPittsburgh
5h 52m
1 stop
HOU6:06 pmHouston Hobby
Feb 8
HOU6:00 amHouston Hobby
5h 23m
1 stop
PIT12:23 pmPittsburgh
$258
Find similar
American Airlines
Jan 3
PIT5:00 amPittsburgh
7h 39m
1 stop
HOU11:39 amHouston Hobby
Jan 7
HOU6:00 amHouston Hobby
5h 23m
1 stop
PIT12:23 pmPittsburgh
$299
Find similar
American Airlines
Dec 29
PIT5:00 amPittsburgh
5h 43m
1 stop
HOU9:43 amHouston Hobby
Jan 27
HOU6:00 amHouston Hobby
5h 23m
1 stop
PIT12:23 pmPittsburgh
$327
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Houston 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 December 4, 2025.
Use the filters below to find and compare flights from Pittsburgh to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Sun 12/14

7:59 am-5:43 pm

1 stop10h 44m

Houston George Bush Intcntl

Tue 12/16

6:14 am-4:10 pm

1 stop8h 56m

$256

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Sat 1/3

8:00 am-8:25 am

3 stops25h 25m

Houston George Bush Intcntl

Tue 1/6

10:08 am-10:42 pm

1 stop11h 34m

$257

PittsburghHouston

PIT - HOU

PITHOU

Pittsburgh

Sat 1/31

1:14 pm-6:06 pm

1 stop5h 52m

Houston Hobby

Sun 2/8

6:00 am-12:23 pm

1 stop5h 23m

$258

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Tue 12/30

8:00 am-5:50 pm

1 stop10h 50m

Houston George Bush Intcntl

Mon 1/5

9:34 pm-10:59 pm

1 stop24h 25m

$258

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Tue 12/30

8:00 am-5:50 pm

1 stop10h 50m

Houston George Bush Intcntl

Mon 1/5

9:34 pm-10:59 pm

1 stop24h 25m

$259

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Thu 2/12

6:00 am-8:27 am

Nonstop3h 27m

Houston George Bush Intcntl

Sun 2/15

7:45 am-11:29 am

Nonstop2h 44m

$261

PittsburghHouston

PIT - IAH

PITIAH

Pittsburgh

Sat 1/24

4:38 pm-7:25 pm

Nonstop3h 47m

Houston George Bush Intcntl

Mon 1/26

5:00 am-4:44 pm

1 stop10h 44m

$263

PittsburghHouston

PIT - HOU

PITHOU

Pittsburgh

Thu 1/22

12:35 pm-4:45 pm

1 stop5h 10m

Houston Hobby

Tue 1/27

2:00 pm-8:50 pm

2 stops5h 50m

$270

PittsburghHouston

PIT - HOU

PITHOU

Pittsburgh

Thu 1/22

10:00 am-7:40 pm

2 stops10h 40m

Houston Hobby

Tue 1/27

2:00 pm-8:45 pm

2 stops5h 45m

$281

PittsburghHouston

PIT - HOU

PITHOU

Pittsburgh

Sat 1/3

5:00 am-11:39 am

1 stop7h 39m

Houston Hobby

Wed 1/7

6:00 am-12:23 pm

1 stop5h 23m

$299

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

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?

The month of August is, on average, the cheapest month to fly to Houston from Pittsburgh, with most prices found around $296. The month of September is another great option to travel to Houston, with average flight prices from Pittsburgh averaging around $342.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Pittsburgh is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $393. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $489.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Pittsburgh to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $447. Try not to purchase tickets in the morning because they tend to be around $545. 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 flight route?

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

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Pittsburgh for as low as $361 on momondo.

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

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

Cheap Pittsburgh to Houston flight deals and tips

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

Fastest flight time

3h 00m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Pittsburgh to Houston takes 3h 00m
Direct flights go from Pittsburgh to Houston every day.
There are 2 airports near Houston: Houston George Bush Intcntl (IAH), Houston Hobby (HOU)
Search flight deals

  • How far is Pittsburgh to Houston by plane?

    The straight-line distance from Pittsburgh to Houston is 1136.3 mi. By plane, this route typically takes 3h 15m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pittsburgh Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents you'll need for your trip to Houston 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Pittsburgh to Houston

Compare and see reviews for airlines that fly from Pittsburgh to Houston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $88Free CancellationRating
6.3
8,157 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $171Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SouthwestPriceFrom $292Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

Why use momondo?

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

It is quick and easy to find Pittsburgh to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

momondo does allow users to show only those flights to Houston from Pittsburgh which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Pittsburgh.

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

Yes. momondo can track prices for Pittsburgh to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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