$149 Find Cheap Flights from Houston to San Diego - Compare and Save

These are the earliest and latest flight times available from Houston to San Diego:

• Earliest: departs at 5:45 am and lands at 9:11 am
• Latest: departs at 11:05 pm and lands at 2:31 am.

The flight takes about 3h 26m.

Three cabin classes are available on flights from Houston to San Diego:

• Economy Class
• Premium Economy Class
• First Class

A nonstop flight from Houston to San Diego takes 3h 26m, covering 1,303 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Round-trip flights from Houston to San Diego range from $355 to $530, with an average of $449 over the past 12 months. Anything below $355 counts as a good deal.

Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $449. Book 12 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $216 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $473 for nonstop.

United Airlines is the only airline operating Houston to San Diego flights. 85% of its flights are on time.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Houston to San Diego flights, with 43% of flights leaving in that window. Afternoon departures account for 43%, evening flights for 14%, and night flights for 0%.

JetBlue is the only airline on the Houston to San Diego route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Houston to San Diego are currently lower than usual. Average one-way flight prices are about $161, which is 29% below the typical average for this route.

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
• Dollar
• Payless
• Europcar
• Thrifty
• Fox

Flights from Houston to San Diego may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at San Diego (SAN).

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Houston to San Diego route, 15% of flights were delayed in the past 3 months, with delays averaging 2 hours 24 minutes.

One-stop flights from Houston to San Diego most commonly connect through:

• Denver Intl (DEN) - 64% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 19% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 11% of one-stop connections
• Dallas/Fort Worth (DFW) - 3% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 16% on the Houston to San Diego route. Wednesday is the cheapest departure day at $417 round-trip on average, while Sunday is the most expensive at $495, a difference of $78. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Houston and San Diego. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 5h 19m, compared with 6h 08m via Salt Lake City (SLC) and 6h 18m via Los Angeles (LAX).

San Diego is 2 hours behind Houston (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Among airlines operating Houston to San Diego flights:

• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.