Trip.com
>
Flights
>
Flights to United States
>
Flights to Texas
>
Flights to Houston
Hotels in Houston
>
Flights from Pittsburgh to Houston

Cheapest airlines flights from Pittsburgh to Houston

You can choose from 2 airlines that fly from Pittsburgh to Houston, including United Airlines, Delta Air Lines, United Airlines has lowest fares on this route.
United Airlines logo United Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Pittsburgh to Houston according to previous 12 months data from Trip.com.

Search for direct flights from Pittsburgh to Houston in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$155, and round-trip direct flights start at US$308.

      • Cheapest nonstop
        PIT 17:02
        3h 3m
        Nonstop
        IAH 19:05
        Pittsburgh - Houston | Sat, Jun 27 | United Airlines
        IAH 20:03
        2h 56m
        Nonstop
        PIT 23:59
        Houston - Pittsburgh | Thu, Jul 2 | United Airlines
        US$308 US$436
        28% off
        28% off
        US$436 US$308
      • PIT 16:55
        5h 48m
        1 stop
        HOU 21:43
        Pittsburgh - Houston | Thu, Jun 25 | Delta Air Lines
        IAH 08:05
        6h 45m
        1 stop
        PIT 15:50
        Houston - Pittsburgh | Sat, Jun 27 | Delta Air Lines
        US$297 US$436
        32% off
        32% off
        US$436 US$297
      • PIT 19:09
        14h 38m
        1 stop
        IAH 08:47
        Pittsburgh - Houston | Mon, Jun 29 | Frontier Airlines
        HOU 06:03
        5h 39m
        1 stop
        PIT 12:42
        Houston - Pittsburgh | Fri, Jul 3 | Delta Air Lines
        US$301 US$436
        31% off
        31% off
        US$436 US$301
      • PIT 19:13
        24h 12m
        1 stop
        IAH 18:25
        Pittsburgh - Houston | Thu, Jul 23 | Frontier Airlines
        IAH 19:23
        21h 52m
        1 stop
        PIT 18:15
        Houston - Pittsburgh | Sun, Jul 26 | Frontier Airlines
        US$308
        28% off
        US$436 US$308
      • PIT 16:55
        5h 28m
        1 stop
        IAH 21:23
        Pittsburgh - Houston | Fri, Jun 19 | Delta Air Lines
        IAH 18:37
        5h 7m
        1 stop
        PIT 00:44
        Houston - Pittsburgh | Fri, Jun 26 | Delta Air Lines
        US$314
        28% off
        US$436 US$314
      • PIT 15:56
        8h 59m
        1 stop
        IAH 23:55
        Pittsburgh - Houston | Fri, Jun 19 | American Airlines
        IAH 09:42
        6h 33m
        1 stop
        PIT 17:15
        Houston - Pittsburgh | Fri, Jun 26 | Delta Air Lines
        US$318
        27% off
        US$436 US$318
      • PIT 16:55
        5h 39m
        1 stop
        IAH 21:34
        Pittsburgh - Houston | Mon, Jun 29 | Delta Air Lines
        HOU 06:03
        5h 39m
        1 stop
        PIT 12:42
        Houston - Pittsburgh | Fri, Jul 3 | Delta Air Lines
        US$323
        26% off
        US$436 US$323
      • PIT 16:55
        5h 48m
        1 stop
        HOU 21:43
        Pittsburgh - Houston | Sat, Jun 27 | Delta Air Lines
        HOU 06:03
        5h 39m
        1 stop
        PIT 12:42
        Houston - Pittsburgh | Thu, Jul 2 | Delta Air Lines
        US$323
        26% off
        US$436 US$323
      • PIT 19:13
        14h 32m
        1 stop
        IAH 08:45
        Pittsburgh - Houston | Sun, Aug 2 | Frontier Airlines
        IAH 19:23
        21h 52m
        1 stop
        PIT 18:15
        Houston - Pittsburgh | Tue, Aug 4 | Frontier Airlines
        US$331
        24% off
        US$436 US$331
      • PIT 13:00
        17h 25m
        1 stop
        HOU 14:00
        Pittsburgh - Houston | Wed, Jun 17 | Normal Airline
        HOU 15:00
        6h
        Nonstop
        PIT 16:00
        Houston - Pittsburgh | Fri, Jun 19 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        PIT 17:02
        3h 3m
        Nonstop
        IAH 19:05
        Pittsburgh - Houston | Tue, Jul 14 | United Airlines
        US$155 US$208
        25% off
        25% off
        US$208 US$155
      • PIT 17:02
        3h 3m
        Nonstop
        IAH 19:05
        Pittsburgh - Houston | Sat, Jul 11 | United Airlines
        US$155 US$208
        25% off
        25% off
        US$208 US$155
      • PIT 19:13
        14h 32m
        1 stop
        IAH 08:45
        Pittsburgh - Houston | Mon, Jul 27 | Frontier Airlines
        US$121 US$208
        42% off
        42% off
        US$208 US$121
      • PIT 12:49
        20h 56m
        1 stop
        IAH 08:45
        Pittsburgh - Houston | Wed, Jul 8 | Frontier Airlines
        US$122
        41% off
        US$208 US$122
      • PIT 21:18
        12h 29m
        1 stop
        IAH 08:47
        Pittsburgh - Houston | Fri, Jul 3 | Allegiant Air
        US$132
        37% off
        US$208 US$132
      • PIT 16:55
        5h 10m
        1 stop
        IAH 21:05
        Pittsburgh - Houston | Sat, Aug 8 | Delta Air Lines
        US$133
        36% off
        US$208 US$133
      • PIT 19:13
        14h 32m
        1 stop
        IAH 08:45
        Pittsburgh - Houston | Sat, Jul 11 | Frontier Airlines
        US$136
        35% off
        US$208 US$136
      • PIT 14:25
        8h 7m
        1 stop
        IAH 21:32
        Pittsburgh - Houston | Sat, Aug 8 | American Airlines
        US$138
        34% off
        US$208 US$138
      • PIT 19:13
        14h 32m
        1 stop
        IAH 08:45
        Pittsburgh - Houston | Fri, Jul 10 | Frontier Airlines
        US$141
        32% off
        US$208 US$141
      • PIT 06:00
        6h 11m
        1 stop
        IAH 11:11
        Pittsburgh - Houston | Wed, Jul 8 | Qatar Airways
        US$158
        24% off
        US$208 US$158
      • PIT 13:00
        17h 25m
        1 stop
        HOU 14:00
        Pittsburgh - Houston | Wed, Jun 17 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Pittsburgh to Houston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Pittsburgh to Houston Flight Details

The distance between Pittsburgh and Houston is about 1,834.13 km. The average flying time from Pittsburgh to Houston is around 3 hours 14 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is September.

Cheapest one-way flight priceUS$121
Cheapest return ticket priceUS$297
Cheapest monthSeptember
Peak season for travelJanuary
Flight distance1,834.13 km
Average flight time3 hours 14 minutes
Popular airlineUnited Airlines
Flight statistics for the Pittsburgh–Houston route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Pittsburgh to Houston (PIT-HOU)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$121 on Cheapest nonstop routes (e.g. PIT to IAH on Mon, Jul 27), while Delta Air Lines offers Cheapest nonstop round-trips from US$297 departing on Thu, Jun 25 and returning on Sat, Jun 27.
  • At the moment, you can catch a nonstop flight from Pittsburgh to Houston with the following airlines, including: Delta Air Lines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 14 minutes to fly from Pittsburgh to Houston.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Pittsburgh to Houston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 24 flight per week flying from Pittsburgh to Houston. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1859 (06:26)
  • To find best deals on flights from Pittsburgh to Houston, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jul 27, with one-way flights priced at just US$121.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Houston travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Pittsburgh to Houston is September, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Pittsburgh to Houston on June 29, 2026 with Allegiant Air, with prices starting at US$132.
  • You can land at any one of the following hubs in Houston, with Pittsburgh International Airport to George Bush Intercontinental Airport (PIT-IAH) is by far the most common option on this route: William P. Hobby Airport (HOU) George Bush Intercontinental Airport (IAH).
  • The time difference between Houston and Pittsburgh is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Pittsburgh to Houston

Which airline offers the cheapest direct flights from Pittsburgh to Houston?

Data is based on the average price of all nonstop flights from Pittsburgh to Houston on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Frontier Airlines provides the lowest-priced direct flights from Pittsburgh to Houston, with fares starting at US$158.

US$63
US$158
US$254
US$349
US$444
Frontier Airlines
US$158
Frontier Airlines
Delta Air Lines
US$227
Delta Air Lines
Spirit Airlines
US$240
Spirit Airlines
Jetblue Airways
US$382
Jetblue Airways
United Airlines
US$444
United Airlines

Which airline operates the most flights from Pittsburgh to Houston?

Total flights from Pittsburgh to Houston across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, United Airlines operates the most frequent flights from Pittsburgh to Houston, with 23 flights per week.

0
6
15
23
United Airlines
23
United Airlines
Air New Zealand
21
Air New Zealand
Emirates
6
Emirates

How many flights fly from Pittsburgh to Houston daily?

The data is based on the flight numbers for each day of the week from Pittsburgh to Houston within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Pittsburgh to Houston is the highest on Friday and the lowest on Saturday.

44
36
28
20
Highest
35
Mon
33
Tue
33
Wed
34
Thu
44
Fri
28
Sat
29
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.