How long is the flight from San Diego to Houston?

For as low as $419, Delta can have you in Houston from San Diego in 3h 05m. Airlines will cover a distance of 1310 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from San Diego to Houston round-trip?

According to our current data, Frontier ($81), Spirit Airlines ($87), and American Airlines ($188) offers the cheapest pricing from San Diego to Houston. Users have found that Frontier is 80% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San Diego to Houston one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $49. Users have also found prices from $62 and $121 on Frontier and United Airlines, respectively.

How far ahead should I book a flight from San Diego to Houston?

The price you pay for your flight from San Diego to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to Houston?

Currently, January is the cheapest month in which you can book a flight from San Diego to Houston (average of $55). Flying from San Diego to Houston in August is currently the most expensive (average of $112). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from San Diego to Houston?

Travelers seeking maximum savings on their San Diego to Houston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the cheapest flights from San Diego to Houston?

Looking at all options, your cheapest flight can be booked for $138. While the most popular route (San Diego - Houston Hobby) can be booked for $157 on average, our data indicates $390 when flying from San Diego to Houston.

What are the most popular airlines that fly from San Diego to Houston?

Before booking your flight from San Diego to Houston check out the most popular airlines for this route: United Airlines, Southwest or Frontier.

Where are the most common layover locations when flying from San Diego to Houston?

Of the flights from San Diego to Houston that have layovers, most of them stop in Las Vegas.

Where are the least popular layover locations for San Diego to Houston flights?

San Diego to Houston flights that have layovers will least frequently stop in Dallas.

What are some popular things to do or see while on a layover in Las Vegas?

If you're on a layover in Las Vegas and looking for things to do, consider visiting Fremont Street Experience, Fountains of Bellagio, or Stratosphere Tower. Fremont Street Experience, Fountains of Bellagio, and Stratosphere Tower are located about 5.9 mi, 2.3 mi, and 4.3 mi, respectively from Las Vegas Harry Reid Intl. Travelers in need of a car in Las Vegas can rent one for about $49 per day.

What is the cheapest time of day to fly from SAN to HOU?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 40% on flights from San Diego to Houston by exploring options for tickets in the evening.

What airport do you fly from for flights from San Diego to Houston?

San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Houston. You should not have trouble finding flights to Houston from San Diego; the airport handles an average of 2 outbound flights to Houston per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the San Diego airport to Houston. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

Can I find deals for flights from San Diego to Houston that include hotel bookings?

Yes. In addition to deals on San Diego to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Diego to Houston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Houston.

Can I find deals for business class flights from San Diego to Houston?

Yes. Cheapflights offers flight deals from San Diego to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$82+ Flights from San Diego to Houston

Round-trip from	$217 (Frontier)
One-way from	$82 (Kiwi.com)
Popular in	December
Cheapest in	August
Average price	$479

SAN

Plan to arrive at SAN two hours before your flight to avoid stress from potential traffic congestion near the airport.

IAH

For a quick ride to downtown Houston from IAH, Uber or Lyft is recommended, taking around 25 minutes.

HOU

HOU's arrival roadways are generally congestion-free, making pickups and drop-offs easier even during peak periods.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$84	Average$233	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$113	Average$199	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$188	Average$540	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$384	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$255	Average$471	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$266	Average$435	FlexibilityNo cancel fee	On-time63%

$82+ Cheap flights from San Diego (SAN) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from San Diego to Houston are usually found in August or September, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from San Diego to Houston

Cheapest flights from San Diego to HoustonExplore the most affordable flight options available from San Diego to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from San Diego to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

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Best time to book a flight from San Diego to Houston

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Everything you need to know about your flight from San Diego to Houston

How far ahead should I book a flight from San Diego to Houston?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Houston. Price data was last updated on December 5, 2025.

What is the cheapest month to book a flight from San Diego to Houston?

What is the cheapest time of day to fly from SAN to HOU?

Find hourly flight availability from San Diego to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

What is the cheapest day to fly from San Diego to Houston?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Houston. Price data was last updated on December 16, 2024.

The best insider tips for San Diego to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Houston trip

Airports

SAN

IAH

HOU

Our travel experts

Reviews of airlines servicing Houston

Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from San Diego to Houston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San Diego to Houston?

How long is the flight from San Diego to Houston?

What are the cheapest airlines flying from San Diego to Houston round-trip?

What are the cheapest airlines to fly from San Diego to Houston one-way?

What are the cheapest flights from San Diego to Houston?

Where are the most common layover locations when flying from San Diego to Houston?

What are some popular things to do or see while on a layover in Las Vegas?

Where are the least popular layover locations for San Diego to Houston flights?

Can I find deals for flights from San Diego to Houston that include hotel bookings?

How can I find direct flights from San Diego to Houston?

Can I find deals for business class flights from San Diego to Houston?

What is the cheapest month to book a flight from San Diego to Houston?

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Cheapest flights from San Diego to Houston
Explore the most affordable flight options available from San Diego to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.