FlightsFrom San Diego

To Houston

Cheap Flights from San Diego to Houston

Browse current best options from San Diego. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Diego

RatePunk searches hundreds of travel sites at once for deals on flights to Houston

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

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 San Diego to Houston

Explore current cheapest deals departing from San Diego to Houston

September 21 - September 29

Cheapest
Best

SAN - Houston

$226

$143

Round trip

September 21 - October 21

SAN - Houston

$203

$145

Round trip

September 14 - September 21

SAN - Houston

$227

$160

Round trip

September 14 - September 29

SAN - Houston

$201

$160

Round trip

September 15 - September 22

SAN - Houston

$228

$160

Round trip

September 14 - September 22

SAN - Houston

$219

$160

Round trip

September 15 - September 29

SAN - Houston

$205

$160

Round trip

September 15 - September 21

SAN - Houston

$228

$160

Round trip

September 14 - September 15

SAN - Houston

$234

$160

Round trip

August 11 - August 19

Earliest

SAN - Houston

$253

$162

Round trip

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

Route Intelligence — 486,190 Searches this Week

Insights for flights from San Diego to Houston

Most itineraries for cheap flights from San Diego to Houston connect at least once, with only 28.2% of recent fares being non-stop. When connecting, the typical number of stopovers is two. This indicates that travelers should expect to factor in layovers when planning their journey.
Right now, fares from San Diego to Houston are typically $397–$926, with a median of $539. Current fares are significantly above the typical level, and only 2% of recent fares were classified as a good price. New deals appear almost daily, suggesting that price alerts could be beneficial for finding better offers.
When is the cheapest time to fly from San Diego to Houston? The most affordable month to fly is typically April, with a median fare of $180. Other cost-effective months include November, with a median fare of $199, and February, where the median fare is $225. Planning your trip during these months could lead to substantial savings.
How long is the flight from San Diego to Houston? A typical journey from San Diego to Houston, including connections, takes approximately 12h 52m. This median duration accounts for the prevalence of connecting flights on this route, reflecting the overall travel time you can expect.
The distance between San Diego and Houston is 2093 km, classifying this as a medium-haul route. This distance typically involves a longer travel time compared to short-haul flights, often necessitating connecting itineraries.

How much is a round trip from San Diego to Houston

Regular price: $188 - $271

Prices are currently below the regular range.

The regular price range for flights from San Diego to Houston is between $188 and $271. The current lowest deal is $143 with Frontier Airlines, for travel from Sep 21-Sep 29.

now $143

Low $188

High $271

The cheapest time to fly from San Diego to Houston

The cheapest month to fly from San Diego to Houston is April, with a median price of $180. The most expensive month is January, with a median price of $2859. Prices are generally lower from February to November.

April

Cheapest

Flights from $180

January

Most Expensive

Flights from $2,859

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from San Diego to Houston

Airline logo

United Airlines

Last-minute flights going from San Diego to Houston

Wed, Jul 1

⌛ Last-Minute

SAN - Houston

Frontier Airlines

San Diego (SAN) - Houston (IAH)

Frontier Airlines

$226

$279

One-way

Tue, Jul 7

⌛ Last-Minute

SAN - Houston

Frontier Airlines

San Diego (SAN) - Houston (IAH)

Frontier Airlines

$244

$205

One-way

Tue, Jul 7

⌛ Last-Minute

SAN - Houston

Frontier Airlines

San Diego (SAN) - Houston (IAH)

Frontier Airlines

$216

$243

One-way

Tue, Jul 7

⌛ Last-Minute

SAN - Houston

Frontier Airlines

San Diego (SAN) - Houston (IAH)

Frontier Airlines

$256

$245

One-way

Wed, Jul 8

⌛ Last-Minute

SAN - Houston

Frontier Airlines

San Diego (SAN) - Houston (IAH)

Frontier Airlines

$220

$248

One-way

Wed, Jul 8

⌛ Last-Minute

SAN - Houston

Frontier Airlines

San Diego (SAN) - Houston (IAH)

Frontier Airlines

$244

$252

One-way

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

7 nights

Oct 28 - Nov 4

$258  →  $164

36%

8 nights

Aug 11 - Aug 19

$253  →  $162

36%

8 nights

Sep 21 - Sep 29

$226  →  $143

37%

1 night

Sep 14 - Sep 15

$234  →  $160

31%

Popular Airports to fly from San Diego to Houston

San Diego - Houston route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for San Diego to Houston are above the typical level at $539.

📅 Best time to fly

Fly in April for the best prices

Historically, April is the cheapest month to fly from San Diego to Houston, with a median price of $180.

⏱️ Flight duration

Expect a flight time of 12h 52m

The median flight time from San Diego to Houston is 12 hours and 52 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Only 28.2% of deals are direct, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is one of the carriers offering direct flights on the San Diego to Houston route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from San Diego to Houston are frequent, with over 1 deal per day.

San Diego main airports to depart from

San Diego International (SAN)

Cheapest

San Diego International (SAN) is a primary option for flights from San Diego to Houston.

📍 ~5 km from San Diego city center (reachable by car)

💸 Flights from ~$143

McClellan–Palomar (CLD)

McClellan–Palomar (CLD) is an alternative for flights from San Diego to Houston.

📍 ~45 km from San Diego city center (reachable by car)

💸 Flights from ~$328

Houston main airports to arrive at

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport is a good arrival option for flights from San Diego to Houston.

📍 ~25 km from city center (reachable by car)

💸 Flights from ~$143

William P. Hobby (HOU)

William P. Hobby Airport is a convenient arrival choice for your trip to Houston from San Diego.

📍 ~15 km from city center (reachable by car)

💸 Flights from ~$143

Airports nearby Houston used as alternative

Austin–Bergstrom International (AUS)

Austin–Bergstrom International offers extensive domestic and growing international route networks as a practical alternative.

📍 ~225 km from Houston (reachable by car)

💸 Flights from ~$173

San Antonio International (SAT)

San Antonio International provides reliable service with multiple carriers and often competitive pricing for domestic routes.

📍 ~300 km from Houston (reachable by car)

💸 Flights from ~$210

Dallas/Fort Worth International (DFW)

Cheapest

Dallas/Fort Worth International is a massive global hub offering extensive flight options to nearly any destination.

📍 ~380 km from Houston (reachable by car)

💸 Flights from ~$165

Dallas Love Field (DAL)

Dallas Love Field is a major domestic hub, particularly useful for Southwest Airlines passengers, with an easier layout.

📍 ~370 km from Houston (reachable by car)

💸 Flights from ~$234

Easterwood (CLL)

Easterwood is the closest geographical alternative for residents in Northwest Houston suburbs with very fast processing.

📍 ~135 km from Houston (reachable by car)

💸 Flights from ~$410

Business & First Class Flight Deals to Houston

Discover luxury on the budget with premium cabin class on flights from San Diego to Houston.

Elite

Best Elite deals to Houston

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SAN

Elite

Aug 18

Houston, United States

79% AI deal score

$1,054

$827

Save $227

From SAN

Elite

Aug 05

Houston, United States

79% AI deal score

$1,094

$827

Save $267

From SAN

Elite

Aug 05

Houston, United States

79% AI deal score

$1,182

$855

Save $327

From SAN

Elite

Aug 06

Houston, United States

79% AI deal score

$1,176

$855

Save $321

From SAN

Elite

Dec 19

Houston, United States

78% AI deal score

$1,759

$1,057

Save $702

From SAN

Elite

Jul 17

Houston, United States

76% AI deal score

$1,512

$1,027

Save $485

From SAN

Elite

Aug 12

Houston, United States

73% AI deal score

$1,626

$1,237

Save $389

From SAN

Elite

Aug 12

Houston, United States

73% AI deal score

$1,762

$1,301

Save $461

From SAN

Elite

Oct 27

Houston, United States

73% AI deal score

$1,006

$827

Save $179

From SAN

Elite

Oct 21

Houston, United States

73% AI deal score

$1,001

$827

Save $174

From SAN

Elite

Dec 02

Houston, United States

73% AI deal score

$1,032

$827

Save $205

From SAN

Elite

Aug 12

Houston, United States

72% AI deal score

$1,556

$1,265

Save $291

From SAN

Elite

Oct 13

Houston, United States

72% AI deal score

$1,672

$1,265

Save $407

From SAN

Elite

Oct 10

Houston, United States

72% AI deal score

$1,650

$1,293

Save $357

From SAN

Elite

Aug 13

Houston, United States

72% AI deal score

$1,621

$1,301

Save $320

From SAN

Elite

Aug 07

Houston, United States

72% AI deal score

$1,605

$1,301

Save $304

From SAN

Elite

Dec 14

Houston, United States

72% AI deal score

$1,645

$1,310

Save $335

From SAN

Elite

Oct 13

Houston, United States

72% AI deal score

$991

$827

Save $164

From SAN

Elite

Jul 14

Houston, United States

72% AI deal score

$959

$827

Save $132

From SAN

Elite

Jul 21

Houston, United States

72% AI deal score

$972

$827

Save $145

From SAN

Elite

Jul 14

Houston, United States

72% AI deal score

$972

$827

Save $145

From SAN

Elite

Jul 22

Houston, United States

72% AI deal score

$973

$827

Save $146

From SAN

Elite

Jul 29

Houston, United States

72% AI deal score

$949

$827

Save $122

From SAN

Elite

Jul 08

Houston, United States

72% AI deal score

$970

$827

Save $143

From SAN

Elite

Sep 16

Houston, United States

71% AI deal score

$1,579

$1,301

Save $278

From SAN

Elite

Dec 14

Houston, United States

71% AI deal score

$1,630

$1,310

Save $320

From SAN

Elite

Aug 13

Houston, United States

71% AI deal score

$1,557

$1,329

Save $228

From SAN

Elite

Aug 13

Houston, United States

71% AI deal score

$1,561

$1,329

Save $232

From SAN

Elite

Sep 29

Houston, United States

71% AI deal score

$945

$827

Save $118

From SAN

Elite

Sep 22

Houston, United States

71% AI deal score

$940

$827

Save $113

From SAN

Elite

Oct 10

Houston, United States

70% AI deal score

$991

$883

Save $108

From SAN

Elite

Aug 22

Houston, United States

70% AI deal score

$851

$755

Save $96

From SAN

Elite

Sep 26

Houston, United States

69% AI deal score

$945

$883

Save $62

From SAN

Elite

Sep 24

Houston, United States

69% AI deal score

$827

$755

Save $72

From SAN

Elite

Aug 15

Houston, United States

69% AI deal score

$840

$755

Save $85

From SAN

Elite

Aug 06

Houston, United States

69% AI deal score

$843

$755

Save $88

From SAN

Elite

Oct 07

Houston, United States

69% AI deal score

$825

$763

Save $62

From SAN

Elite

Oct 14

Houston, United States

68% AI deal score

$991

$962

Save $29

From SAN

Elite

Sep 03

Houston, United States

68% AI deal score

$785

$755

Save $30

From SAN

Elite

Sep 03

Houston, United States

68% AI deal score

$815

$755

Save $60

From SAN

Elite

Oct 01

Houston, United States

68% AI deal score

$841

$791

Save $50

From SAN

Elite

Sep 08

Houston, United States

67% AI deal score

$852

$699

Save $153

From SAN

Elite

Jul 15

Houston, United States

67% AI deal score

$699

From SAN

Elite

Jul 28

Houston, United States

67% AI deal score

$702

$699

Save $3

From SAN

Elite

Jul 28

Houston, United States

67% AI deal score

$705

$699

Save $6

From SAN

Elite

Aug 04

Houston, United States

67% AI deal score

$866

$727

Save $139

From SAN

Elite

Aug 03

Houston, United States

67% AI deal score

$886

$763

Save $123

From SAN

Elite

Oct 19

Houston, United States

66% AI deal score

$833

$755

Save $78

From SAN

Elite

Dec 19

Houston, United States

66% AI deal score

$1,297

$1,183

Save $114

From SAN

Elite

Oct 04

Houston, United States

65% AI deal score

$1,026

From SAN

Elite

Oct 01

Houston, United States

50% AI deal score

$802

$755

Save $47

From SAN

Elite

Oct 02

Houston, United States

50% AI deal score

$819

$764

Save $55

From SAN

Elite

Aug 01

Houston, United States

50% AI deal score

$881

$827

Save $54

From SAN

Elite

Sep 25

Houston, United States

49% AI deal score

$844

$827

Save $17

From SAN

Elite

Jul 14

Houston, United States

48% AI deal score

$699

From SAN

Elite

Jul 14

Houston, United States

48% AI deal score

$763

From SAN

Elite

Jul 22

Houston, United States

48% AI deal score

$763

From SAN

Elite

Jul 31

Houston, United States

48% AI deal score

$791

From SAN

Elite

Nov 19

Houston, United States

48% AI deal score

$791

From SAN

Elite

Nov 20

Houston, United States

48% AI deal score

$809

From SAN

Elite

Jul 01

Houston, United States

48% AI deal score

$815

From SAN

Elite

Jul 16

Houston, United States

48% AI deal score

$827

From SAN

Elite

Jul 16

Houston, United States

48% AI deal score

$827

From SAN

Elite

Jul 17

Houston, United States

48% AI deal score

$827

From SAN

Elite

Jul 23

Houston, United States

48% AI deal score

$827

From SAN

Elite

Jul 24

Houston, United States

48% AI deal score

$827

From SAN

Elite

Jul 25

Houston, United States

48% AI deal score

$827

From SAN

Elite

Jul 06

Houston, United States

48% AI deal score

$895

From SAN

Elite

Jul 02

Houston, United States

48% AI deal score

$913

From SAN

Elite

Jul 04

Houston, United States

48% AI deal score

$913

From SAN

Elite

Jul 02

Houston, United States

48% AI deal score

$931

From SAN

Elite

Jul 03

Houston, United States

48% AI deal score

$931

From SAN

Elite

Jul 03

Houston, United States

48% AI deal score

$937

From SAN

Elite

Jun 27

Houston, United States

48% AI deal score

$992

From SAN

Elite

Jun 24

Houston, United States

48% AI deal score

$1,030

From SAN

Elite

Jun 24

Houston, United States

48% AI deal score

$1,030

From SAN

Elite

Jun 24

Houston, United States

48% AI deal score

$1,030

From SAN

Elite

Jun 25

Houston, United States

48% AI deal score

$1,030

From SAN

Elite

Jun 23

Houston, United States

48% AI deal score

$1,129

From SAN

Elite

Jun 21

Houston, United States

48% AI deal score

$1,163

From SAN

Elite

Jun 17

Houston, United States

48% AI deal score

$1,197

From SAN

Elite

Jun 18

Houston, United States

48% AI deal score

$1,197

From SAN

Elite

Jun 19

Houston, United States

48% AI deal score

$1,197

From SAN

Elite

Jun 27

Houston, United States

47% AI deal score

$1,108

From SAN

Elite

Jun 28

Houston, United States

47% AI deal score

$1,108

From SAN

Elite

Jun 23

Houston, United States

47% AI deal score

$1,207

From SAN

Elite

Jun 24

Houston, United States

47% AI deal score

$1,207

From SAN

Elite

Jun 17

Houston, United States

47% AI deal score

$1,254

From SAN

Elite

Jun 18

Houston, United States

47% AI deal score

$1,308

From SAN

Elite

Jun 20

Houston, United States

47% AI deal score

$1,308

From SAN

Elite

Nov 27

Houston, United States

41% AI deal score

$3,517

From SAN

Elite

Nov 29

Houston, United States

41% AI deal score

$3,717

From SAN

Elite

Sep 18

Houston, United States

41% AI deal score

$5,783

From SAN

Elite

Aug 22

Houston, United States

41% AI deal score

$1,450

From SAN

Elite

Jun 28

Houston, United States

39% AI deal score

$2,202

From SAN

Elite

Oct 07

Houston, United States

38% AI deal score

$2,124

From SAN

Elite

Oct 08

Houston, United States

38% AI deal score

$2,164

From SAN

Elite

Jul 13

Houston, United States

37% AI deal score

$1,809

From SAN

Elite

Oct 22

Houston, United States

37% AI deal score

$2,338

From SAN

Elite

Sep 18

Houston, United States

37% AI deal score

$2,349

Frequently Asked Questions About Flights to Houston

Historically, the optimal booking window for flights from San Diego to Houston is between 28 and 59 days before departure. During this period, the average price was $618. Booking within 0-6 days of departure typically saw prices around $1043, while booking 7-13 days out averaged $1073. Planning ahead by 28-59 days generally offers the most favorable prices for this route across the trailing quarter.

Based on historical data from the trailing 90 days, a good price for a flight from San Diego to Houston is typically around $397 or less. The median price for this route was $539. Prices can vary, with 75% of observed flights costing $926 or less.

Historically, April has been the most affordable month to fly from San Diego to Houston, with a median price of $180. November also offered favorable prices, with a median of $199. For comparison, the annual median price for this route was $539, indicating significant savings are possible during these months.