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Flights from San Francisco to Houston

Cheapest airlines flights from San Francisco to Houston

Fly from San Francisco to Houston with 1 carriers, including United Airlines, United Airlines offers the cheapest flights from San Francisco to Houston.
United Airlines logo United Airlines

Non stop flights available! Find direct flights from San Francisco to Houston for the next 3 months. Book one way flights from US$174 or round trip tickets from US$341.

      • Cheapest nonstop
        SFO 16:10
        3h 49m
        Nonstop
        IAH 21:59
        San Francisco - Houston | Fri, Dec 5 | United Airlines
        IAH 05:27
        4h 20m
        Nonstop
        SFO 07:47
        Houston - San Francisco | Sun, Dec 7 | United Airlines
        US$341 US$489
        30% OFF
        30% OFF
        US$489 US$341
      • SFO 19:10
        3h 49m
        Nonstop
        IAH 00:59
        San Francisco - Houston | Mon, Dec 1 | United Airlines
        IAH 05:27
        4h 20m
        Nonstop
        SFO 07:47
        Houston - San Francisco | Sat, Dec 6 | United Airlines
        US$343 US$489
        30% OFF
        30% OFF
        US$489 US$343
      • SFO 17:28
        10h 35m
        1 stop
        IAH 06:03
        San Francisco - Houston | Tue, Nov 18 | Frontier Airlines
        IAH 14:05
        8h 5m
        1 stop
        SFO 20:10
        Houston - San Francisco | Wed, Nov 19 | Spirit Airlines
        US$121 US$489
        75% OFF
        75% OFF
        US$489 US$121
      • SFO 06:21
        15h 26m
        1 stop
        IAH 23:47
        San Francisco - Houston | Sat, Dec 13 | Frontier Airlines
        IAH 06:45
        18h 7m
        1 stop
        SFO 22:52
        Houston - San Francisco | Wed, Dec 17 | Frontier Airlines
        US$125
        74% OFF
        US$489 US$125
      • SFO 08:00
        24h 37m
        1 stop
        IAH 10:37
        San Francisco - Houston | Tue, Dec 9 | Frontier Airlines
        IAH 12:32
        12h 20m
        1 stop
        SFO 22:52
        Houston - San Francisco | Tue, Dec 16 | Frontier Airlines
        US$126
        74% OFF
        US$489 US$126
      • SFO 14:13
        12h 28m
        1 stop
        IAH 04:41
        San Francisco - Houston | Thu, Dec 4 | Frontier Airlines
        IAH 06:00
        18h 3m
        1 stop
        SFO 22:03
        Houston - San Francisco | Thu, Dec 11 | Spirit Airlines
        US$129
        74% OFF
        US$489 US$129
      • SFO 06:00
        12h 34m
        1 stop
        IAH 20:34
        San Francisco - Houston | Wed, Dec 3 | Frontier Airlines
        IAH 06:45
        27h 8m
        1 stop
        SFO 07:53
        Houston - San Francisco | Sat, Dec 6 | Frontier Airlines
        US$131
        73% OFF
        US$489 US$131
      • SFO 10:16
        6h 30m
        1 stop
        IAH 18:46
        San Francisco - Houston | Mon, Jan 12 | Frontier Airlines
        IAH 08:05
        14h 41m
        1 stop
        SFO 20:46
        Houston - San Francisco | Wed, Jan 14 | Frontier Airlines
        US$132
        73% OFF
        US$489 US$132
      • SFO 07:00
        15h 40m
        1 stop
        IAH 00:40
        San Francisco - Houston | Wed, Jan 14 | Frontier Airlines
        IAH 06:00
        9h 24m
        1 stop
        SFO 13:24
        Houston - San Francisco | Thu, Jan 15 | Frontier Airlines
        US$132
        73% OFF
        US$489 US$132
      • SFO 06:00
        5h 57m
        1 stop
        IAH 13:57
        San Francisco - Houston | Thu, Dec 11 | Frontier Airlines
        IAH 07:45
        14h 8m
        1 stop
        SFO 19:53
        Houston - San Francisco | Mon, Dec 15 | Spirit Airlines
        US$136
        72% OFF
        US$489 US$136
      • SFO 16:07
        6h 24m
        1 stop
        IAH 00:31
        San Francisco - Houston | Thu, Jan 8 | Frontier Airlines
        IAH 16:00
        9h 9m
        1 stop
        SFO 23:09
        Houston - San Francisco | Sat, Jan 10 | Frontier Airlines
        US$137
        72% OFF
        US$489 US$137
      • SFO 07:10
        13h 2m
        1 stop
        IAH 22:12
        San Francisco - Houston | Wed, Jan 7 | Frontier Airlines
        IAH 16:08
        8h 3m
        1 stop
        SFO 22:11
        Houston - San Francisco | Wed, Jan 14 | Frontier Airlines
        US$137
        72% OFF
        US$489 US$137
      • SFO 13:00
        17h 25m
        1 stop
        HOU Invalid Date
        San Francisco - Houston | Thu, Nov 20 | Normal Airline
        HOU 15:00
        6h
        Nonstop
        SFO 16:00
        Houston - San Francisco | Sat, Nov 22 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

San Francisco to Houston Flight Information

The distance between San Francisco and Houston is approximately 2,648.73 km. On average, a flight from San Francisco to Houston takes around 3 hours 55 minutes. The most popular month to fly to Houston is July. The off-season for travel is December.

Cheapest one-way flight priceUS$67
Cheapest return ticket priceUS$121
Cheapest monthDecember
Peak season for travelJuly
Flight distance2,648.73 km
Average flight time3 hours 55 minutes
Popular airlineUnited Airlines

When is the cheapest time to book flights from San Francisco to Houston?

Best time for cheap flights from San Francisco to Houston are between Nov 30 and Dec 7 with one way fares from US$66

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from San Francisco to Houston?

    At the moment, you can catch a nonstop flight from San Francisco to Houston with the following airlines, including: 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 55 minutes to fly from San Francisco 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 San Francisco 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 88 flight per week flying from San Francisco to Houston. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1687 (05:33)
  • The cheapest months to fly from San Francisco to Houston is December, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from San Francisco to Houston on November 18, 2025 with Frontier Airlines, with prices starting at US$120.
  • You can land at any one of the following hubs in Houston, with San Francisco International Airport to George Bush Intercontinental Airport (SFO-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 San Francisco is 2h.
  • 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.

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