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

According to our current data, Spirit Airlines ($175), Frontier ($188), and Southwest ($323) offers the cheapest pricing from Houston to San Diego. Spirit Airlines is priced at 48% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from Houston to San Diego are Spirit Airlines ($81), Frontier ($110), and Allegiant Air ($144).

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

The best time to book flights from Houston to San Diego is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Houston to San Diego (average of $286). Flying from Houston to San Diego in March is currently the most expensive (average of $366). 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 Houston to San Diego?

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What are the cheapest flights from Houston to San Diego?

While on average a flight from Houston to San Diego is generally $367, our data shows the cheapest flight currently is $175. When looking at the most popular route, (Houston Hobby - San Diego), you can expect to pay $131 for that flight.

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

American Airlines, Frontier and Spirit Airlines are the most popular airlines when flying from Houston to San Diego.

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 22% when planning your travel around this day of the week.

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

To save on the cost of your flight from Houston to San Diego, book at least 51 days before your planned departure. Booking around this time can save you about 195% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $190 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $348.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to San Diego. Flights to San Diego from Houston in August are about $338 on average during August, but can be found for as low as $78.

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

When flying from Houston to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the afternoon.

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

San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from Houston to San Diego. 5 airlines have flights to San Diego from Houston on a regular basis. Booking flights from Houston to San Diego should not be difficult; the airport handles an average of 1 inbound flight from Houston per day.

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

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

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

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

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

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

$81+ Flights from Houston to San Diego

Round-trip from	$175 (Cheapflightsfares)
One-way from	$81 (FlightHub)
Popular in	December
Cheapest in	August
Average price	$365

Basic Economy allows a personal item only; no carry-on bags without extra fees.

Economy Plus offers extra legroom seats towards the front of the economy cabin.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$73	Average$179	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$109	Average$169	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$198	Average$399	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$214	Average$441	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$365	Average$451	FlexibilityNo cancel fee	On-time63%

$81+ Cheap flights from Houston to San Diego (SAN)

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 6/17. 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 Houston to San Diego are usually found in August or May, booked 50 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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Cheapest flights from Houston to San DiegoExplore the most affordable flight options available from Houston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

Explore the most affordable flight options available from Houston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

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Best time to book a flight from Houston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Houston with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to San Diego. Price data was last updated on April 11, 2025.

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

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

Find hourly flight availability from Houston to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 16, 2025.

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

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

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Houston to San Diego by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Houston to San Diego. 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 into for flights to San Diego from Houston?

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

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

What are the cheapest flights from Houston to San Diego?

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

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

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

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

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Cheapest flights from Houston to San Diego
Explore the most affordable flight options available from Houston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.