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Cheap Flights from Houston to San Francisco

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Prices updated 24 days ago

486,190 searches this week

171 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Houston to San Francisco

Explore current cheapest deals departing from Houston to San Francisco

Round trip

Sort by: Cheapest

July 14 - July 21

Cheapest

Earliest

IAH - San Francisco

$230

$201

Round trip

October 14 - October 19

Best

IAH - San Francisco

$261

$204

Round trip

July 21 - July 28

IAH - San Francisco

$224

$208

Round trip

July 15 - July 20

IAH - San Francisco

$234

$215

Round trip

September 1 - September 7

IAH - San Francisco

$226

$216

Round trip

August 4 - August 11

IAH - San Francisco

$271

$218

Round trip

August 5 - August 11

IAH - San Francisco

$272

$220

Round trip

September 23 - September 30

IAH - San Francisco

$188

$222

Round trip

August 11 - August 16

IAH - San Francisco

$284

$223

Round trip

October 14 - October 20

IAH - San Francisco

$203

$223

Round trip

Unlock all 500+ flight deals to San Francisco and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Houston to San Francisco

The journey from Houston to San Francisco covers a distance of 2629 kilometers, classifying it as a medium-haul route. This means you can expect a significant travel duration, often involving connections, to reach your destination. Understanding the typical flight patterns and pricing can help you plan your trip effectively.

For cheap flights from Houston to San Francisco, fares typically range from $329–$867, with a median of $521. Right now, fares are above the typical level, and only 3% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find better prices.

When considering the cheapest time to fly from Houston to San Francisco, November stands out with a median fare of just $243. Other cost-effective months include December, with a median fare of $334, and August, where the median fare is $339. Focusing your travel plans on these months could lead to significant savings.

Most itineraries for flights from Houston to San Francisco connect at least once, with only 22.4% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2. This indicates that direct flights from Houston to San Francisco are less common, and travelers should generally anticipate at least one stop.

A typical journey from Houston to San Francisco takes approximately 18h 10m, including connections. This duration accounts for the prevalence of connecting flights on this route. Travelers should factor in this extended travel time when planning their trip, especially if they prefer a quicker journey.

How much is a round trip from Houston to San Francisco

Regular price: $197 - $314

Prices are currently within the regular range for flights from Houston to San Francisco.

The regular price range for flights from Houston to San Francisco is $197 to $314. The current lowest deal is $201 with Frontier Airlines for travel from July 14 to July 21.

now $201

Low $197

High $314

The cheapest time to fly from Houston to San Francisco

The cheapest month to fly from Houston to San Francisco is November, with a median price of $243. The most expensive month is February, with a median price of $13230. Prices are generally lower from April to December.

November

Cheapest

Flights from $243

February

Most Expensive

Flights from $13,230

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Houston to San Francisco

United Airlines

Last-minute flights going from Houston to San Francisco

Fri, Jun 19

⌛ Last-Minute

IAH - San Francisco

Houston (IAH) - San Francisco (SFO)

Frontier Airlines

$453

$389

One-way

Sat, Jun 20

⌛ Last-Minute

IAH - San Francisco

Houston (IAH) - San Francisco (SFO)

Frontier Airlines

$453

$365

One-way

Sat, Jun 20

⌛ Last-Minute

IAH - San Francisco

Houston (IAH) - San Francisco (SFO)

Frontier Airlines

$462

$390

One-way

Sun, Jun 21

⌛ Last-Minute

IAH - San Francisco

Houston (IAH) - San Francisco (SFO)

Frontier Airlines

$461

$370

One-way

Mon, Jun 22

⌛ Last-Minute

IAH - San Francisco

Houston (IAH) - San Francisco (SFO)

Frontier Airlines

$434

$370

One-way

Fri, Jun 26

⌛ Last-Minute

IAH - San Francisco

Houston (IAH) - San Francisco (SFO)

Frontier Airlines

$380

$302

One-way

Biggest price drops on these dates for flights from Houston to San Francisco

4 nights

Sep 9 - Sep 13

$445 → $298

33%

4 nights

Dec 10 - Dec 14

$459 → $314

32%

3 nights

Nov 2 - Nov 5

$429 → $291

32%

5 nights

Aug 19 - Aug 24

$487 → $358

26%

Popular Airports to fly from Houston to San Francisco

Houston - San Francisco route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares for HOU to SFO are above the typical level, with a median price of $521.

📅 Best time to fly

November is historically the cheapest month to fly.

Historically, November offers the lowest median prices at $243 for flights from HOU to SFO.

⏱️ Flight duration

Connecting flights typically take 18h 10m.

The typical flight duration for connecting flights from Houston to San Francisco is 18h 10m.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Connecting flights make up 77.6% of deals, with a median of 2 stopovers.

🏆 Airline highlight

United Airlines offers direct flights.

United Airlines is one of the carriers providing direct flights on the HOU to SFO route.

🎯 Booking tip

Deals are frequent for this route.

Historically, deals for flights from HOU to SFO appear frequently, with 1.03 deals per day.

Houston main airports to depart from

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport offers flights to San Francisco, often with competitive pricing.

📍 ~25 km from Houston (reachable by car or bus)

💸 Flights from ~$201

William P. Hobby (HOU)

William P. Hobby Airport provides another option for flights from Houston to San Francisco.

📍 ~15 km from Houston (reachable by car or bus)

💸 Flights from ~$237

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a good arrival choice for flights from Houston to San Francisco.

📍 ~20 km from San Francisco (reachable by car, bus, and rail).

💸 Flights from ~$201

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Cheapest

Oakland International is a useful alternative with high flight frequency and direct public transit access to San Francisco.

📍 ~18 km from San Francisco (reachable by BART public transit)

💸 Flights from ~$245

San Jose International (SJC)

San Jose International is a major international airport serving the South Bay, often with fewer weather delays.

📍 ~70 km from San Francisco (located approximately 45-60 miles south)

💸 Flights from ~$265

Sacramento International (SMF)

Sacramento International offers a robust domestic route network, ideal for travelers in the northern and eastern metro areas.

📍 ~120 km from San Francisco (significant driving distance from the peninsula)

💸 Flights from ~$262

Charles M. Schulz–Sonoma County (STS)

Charles M. Schulz–Sonoma County is convenient for travelers in the North Bay and Wine Country, with faster processes.

📍 ~80 km from San Francisco

💸 Flights from ~$401

Monterey Regional (MRY)

Monterey Regional is an alternative for travelers in the southern coastal region, offering a less crowded environment.

📍 ~140 km from San Francisco (significant distance from San Francisco)

💸 Flights from ~$310

Business & First Class Flight Deals to San Francisco

70% AI deal score

$235

From IAH

Elite

Aug 04

San Francisco, United States

70% AI deal score

$281

$240

Save $41

From IAH

Elite

Aug 14

San Francisco, United States

70% AI deal score

$287

$240

Save $47

From IAH

Elite

Aug 12

San Francisco, United States

70% AI deal score

$286

$240

Save $46

From IAH

Elite

Aug 12

San Francisco, United States

70% AI deal score

$281

$240

Save $41

From IAH

Elite

Aug 13

San Francisco, United States

70% AI deal score

$288

$240

Save $48

From IAH

Elite

Aug 07

San Francisco, United States

70% AI deal score

$290

$240

Save $50

From IAH

Elite

Aug 06

San Francisco, United States

70% AI deal score

$282

$240

Save $42

From IAH

Elite

Aug 17

San Francisco, United States

70% AI deal score

$277

$240

Save $37

From IAH

Elite

Aug 20

San Francisco, United States

70% AI deal score

$287

$240

Save $47

From IAH

Elite

Aug 06

San Francisco, United States

70% AI deal score

$288

$240

Save $48

From IAH

Elite

Aug 08

San Francisco, United States

70% AI deal score

$289

$240

Save $49

From IAH

Elite

Aug 23

San Francisco, United States

70% AI deal score

$277

$241

Save $36

From IAH

Elite

Aug 05

San Francisco, United States

70% AI deal score

$287

$241

Save $46

From IAH

Elite

Aug 27

San Francisco, United States

70% AI deal score

$287

$241

Save $46

From IAH

Elite

Aug 16

San Francisco, United States

70% AI deal score

$290

$241

Save $49

From IAH

Elite

Aug 15

San Francisco, United States

70% AI deal score

$289

$242

Save $47

From IAH

Elite

Aug 17

San Francisco, United States

70% AI deal score

$288

$242

Save $46

From IAH

Elite

Aug 27

San Francisco, United States

70% AI deal score

$287

$242

Save $45

From IAH

Elite

Aug 21

San Francisco, United States

70% AI deal score

$289

$242

Save $47

From IAH

Elite

Aug 20

San Francisco, United States

70% AI deal score

$285

$242

Save $43

From IAH

Elite

Aug 11

San Francisco, United States

70% AI deal score

$288

$242

Save $46

From IAH

Elite

Aug 26

San Francisco, United States

70% AI deal score

$285

$243

Save $42

From IAH

Elite

Aug 11

San Francisco, United States

70% AI deal score

$290

$247

Save $43

From IAH

Elite

Jun 26

San Francisco, United States

70% AI deal score

$378

$315

Save $63

From IAH

Elite

Jun 22

San Francisco, United States

70% AI deal score

$434

$370

Save $64

From IAH

Elite

Jun 19

San Francisco, United States

70% AI deal score

$453

$389

Save $64

From IAH

Elite

Jun 20

San Francisco, United States

70% AI deal score

$462

$390

Save $72

From IAH

Elite

Jul 15

San Francisco, United States

69% AI deal score

$234

$215

Save $19

From IAH

Elite

Sep 23

San Francisco, United States

69% AI deal score

$222

From IAH

San Francisco, United States

66% AI deal score

$225

From IAH

San Francisco, United States

66% AI deal score

$238

From IAH

Elite

Jul 09

San Francisco, United States

66% AI deal score

San Francisco, United States

49% AI deal score

$240

Frequently Asked Questions About Flights to San Francisco

Historically, the optimal time to purchase tickets for flights from Houston to San Francisco is typically 60 days or more before departure. Flights booked within this window have an average price of $531. In contrast, waiting until 7-13 days before departure sees the average price rise to $885, while last-minute bookings (0-6 days out) average $1084. Planning ahead can lead to significant savings on this route.

Across the trailing quarter, a good deal for a flight from Houston to San Francisco is considered to be $329 or less. The median price for this route historically stands at $521. Prices tend to increase significantly for flights above the median, with 75% of prices being $867 or less. Aiming for prices at or below the $329 threshold will typically secure a favorable fare.

Historically, the cheapest months to fly from Houston to San Francisco are November, with a median price of $243, and December, with a median price of $334. August also shows a relatively low median of $339. The annual median price for this route is $521, indicating that these months offer substantial savings compared to the yearly average.

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