Cheap flights from Houston to San Diego

One-way fares from $194 · HOU → SAN · prices found by travellers in the last 48 hours

Cheapest fare
$194

Frontier Airlines · Thu, Nov 12

Cheapest month
November

from $194

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 57m

2,090 km

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Cheapest month to fly from Houston to San Diego

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $194

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart14:49 Thu, Nov 12IAH → SAN 4h 57m · 1 stop
$194one way, per person
View deal
Frontier Airlines
Depart10:37 Fri, Nov 13IAH → SAN 5h 13m · 1 stop
$194one way, per person
View deal
Frontier Airlines
Depart06:40 Mon, Nov 9IAH → SAN 5h 08m · 1 stop
$201one way, per person
View deal
Frontier Airlines
Depart10:37 Tue, Nov 3IAH → SAN 5h 13m · 1 stop
$212one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to San Diego

Where to stay, what to do and getting around, from our travel partners.

About flights from Houston to San Diego

Houston (HOU) and San Diego (SAN) are about 2,090 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 57m. Over the next few months, one-way fares start from $194, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Houston to San Diego?

The cheapest one-way fare we've seen recently is $194 with Frontier Airlines, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $194 one way.

Are there direct flights from Houston to San Diego?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Houston to San Diego?

The quickest journey we've seen takes about 4h 57m. Houston and San Diego are around 2,090 km apart.

Which airlines fly from Houston to San Diego?

Recent fares on this route were with Frontier Airlines.

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