Route guide
Cheap Flights from Houston to San Diego: Book Airline Tickets
- Distance
- about 1,300 mi
- Typical flight time
- 2 h 45 min – 3 h 45 min
- Airports
- 2 × 1
- Time difference
- 2 h behind
This page covers the practical side of flying between Houston and San Diego: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Houston to San Diego is about 1,300 miles (2,090 km) and a typical flight takes 2 h 45 min to 3 h 45 min. San Diego is 2 hours behind Houston. Houston has 2 airports to compare and San Diego has 1.
Airport pairs to compare
Houston has two main airports: Bush Intercontinental to the north and Hobby to the southeast. Hobby is closer to downtown. San Diego's airport is only a few miles from downtown, and it operates with a single runway.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| IAH to SAN | George Bush Intercontinental | San Diego International |
| HOU to SAN | William P. Hobby | San Diego International |
About the airports
- IAH · George Bush Intercontinental
The larger airport, north of the city, with a wide range of domestic and international flights. - HOU · William P. Hobby
Closer to downtown and a good option for domestic trips. - SAN · San Diego International
Only a few miles from downtown, with a single runway.
Airlines with a major base at either end
- At Houston: United Airlines, Southwest Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Houston
Fall through spring is the most comfortable period. Summers are hot and humid, and hurricane season runs June through November.
Hurricane season runs from June through November, so check fare rules for changes if you travel in that window.
San Diego
The climate is mild year-round. Summer and holidays are busiest, and May and June often have morning cloud along the coast.
How long is Houston to San Diego?
At about 1,300 miles, Houston to San Diego is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
San Diego is 2 hours behind Houston, so you land at a local time 2 hours earlier than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Houston: Rental cars and ride-hail are the most common choices. Distances are large, so check where your hotel is before choosing an airport.
San Diego: Downtown is a short taxi or ride-hail trip from the airport.
Planning ground transport too? See our car rental guide.
Good to know
- Check every airport pairing when you compare fares. Schedules and airline options can differ between them.
- Compare both airports when you look at fares, and keep weather in mind if you travel in late summer.
- San Diego Comic-Con in July fills hotels and raises demand. On busy days, delays at the single-runway airport can ripple.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying San Diego to Houston?
This route guide works in both directions. For other trips, see all flights from Houston or all flights from San Diego.
Frequently asked questions
How far is Houston from San Diego?
The straight-line distance between the main airports is about 1,300 miles (2,090 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Houston to San Diego?
A typical scheduled flight takes roughly 2 h 45 min to 3 h 45 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Houston: IAH (George Bush Intercontinental), HOU (William P. Hobby). At San Diego: SAN (San Diego International). Ask for prices on more than one pairing.
Is there a time difference?
San Diego is 2 hours behind Houston.
When is the best time to fly from Houston to San Diego?
In Houston: Fall through spring is the most comfortable period. Summers are hot and humid, and hurricane season runs June through November.Hurricane season runs from June through November, so check fare rules for changes if you travel in that window. In San Diego: The climate is mild year-round. Summer and holidays are busiest, and May and June often have morning cloud along the coast. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Houston to San Diego?
Airlines with a major base at either end include United Airlines and Southwest Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.