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Cheap flights Houston — San Diego

Houston (IAH, US) San Diego (SAN, US)
from $79 2 092 km ~2h 58m 8 flights found 2 airlines cheapest on Wednesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $79 on 08.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
09 Dec 2026, Wed
Frontier Airlines F9 4181
04:20
IAH George Bush Intercontinental Airport
08:46
SAN San Diego International Airport
4h 26m 1 stop
Kiwi.com
$79
View this ticket
09 Dec 2026, Wed
United Airlines UA 537
05:02
IAH George Bush Intercontinental Airport
08:32
SAN San Diego International Airport
3h 30m Direct
Farera
$119
View this ticket
Route characteristics
Distance
2 092 km
Flight time
2h 58m
Time difference
-2h
Minimum price
from $79 (08.12.2026)
Average price
$79
Maximum price
$79
Departures per week
1
Cheapest day
Wednesday
Departure airports (1)
IAH George Bush Intercontinental Airport
Arrival airports (1)
SAN San Diego International Airport
Airlines (2)
F9 Frontier Airlines UA United Airlines
Agencies (3)
Kiwi.com Farera Wowtickets
Airlines — cheapest prices 2
Frontier Airlines
Frontier Airlines
Low-cost 4 flights · 4 days
$79
United Airlines
United Airlines
4 flights · 4 days
$119
Where to buy tickets 3
Kiwi.com
1 tickets · 1 days
from $79
Farera
6 tickets · 5 days
from $119
Wowtickets
1 tickets · 1 days
from $391
Airports

From — Houston (1)

  • IAH George Bush Intercontinental Airport

To — San Diego (1)

  • SAN San Diego International Airport
Other destinations from Houston
Albuquerque
US
Acapulco
MX
Alexandria
US
Aguascalientes
MX
Amarillo
US
Amsterdam
NL · Hub
Atlanta
US · Hub
Austin
US
Asheville
US
Bakersfield
US
Birmingham
US
Leon/Guanajuato
MX
Frequently asked questions about the route Houston — San Diego
How long is the flight from Houston to San Diego?
Approximate flight time — 2h 58m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Houston to San Diego?
The straight-line distance — 2 092 km.
How much do flights from Houston to San Diego cost?
The minimum price over 3 months — from $79 on 08.12.2026.
What is the average ticket price?
The average price — $79. Range: $79 — $79.
What is the time difference between Houston and San Diego?
The difference — -2h.
From which airports does Houston operate flights?
From Houston: IAH (George Bush Intercontinental Airport).
To which airports in San Diego do flights arrive?
To San Diego: SAN (San Diego International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Frontier Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $119. Total direct flights found: 1.
Which day of the week is cheapest?
The cheapest day of the week — Wednesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Houston — San Diego

Flights Houston — San Diego is a popular route. The straight-line distance is 2 092 km. Flight time 2h 58m. Time difference -2h.

From Houston (IAH) flights depart from 1 airport: IAH. To San Diego (SAN) — 1 arrival airport: SAN.

2 airlines operate on this route: Frontier Airlines, United Airlines.

The minimum price for the next 3 months — from $79 (08.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $79, ranging from $79 to $79. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Wednesday.

Other destinations in United States from Houston
Omaha
US
Monroe
US
Mobile
US
Minneapolis
US
New Orleans
US
Oklahoma City
US
West Palm Beach
US
Philadelphia
US

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