United Airlines Houston to San Diego Flights

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Cheapflightsplus.com will find cheap United Airlines flights from Houston to San Diego. Compare airline ticket prices and book air tickets starting from $156 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Houston (TX) — San Diego (CA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in july: one-way - $156, two-way – $268.

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Cheap Flights from Houston to San Diego by United Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by United Airlines, their prices start from $156. The fastest nonstop flight takes 3h 19m. The fastest connecting flight — 5h 16m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $156 Find flight	2:20 pm Houston George Bush	3:44 pm San Diego San Diego	3h 24m	United Airlines	UA1581
from $156 Find flight	8:23 pm Houston George Bush	9:45 pm San Diego San Diego	3h 22m	United Airlines	UA2638
from $156 Find flight	9:31 am Houston George Bush	10:53 am San Diego San Diego	3h 22m	United Airlines	UA2491
from $159 Find flight	4:25 pm Houston George Bush	10:14 pm San Diego San Diego	7h 49m layover 2h 52m - Denver	United Airlines	UA2338 UA1835
from $159 Find flight	4:50 pm Houston George Bush	10:27 pm San Diego San Diego	7h 37m layover 1h 48m - San Francisco	United Airlines	UA234 UA1074
from $159 Find flight	11:10 am Houston George Bush	2:59 pm San Diego San Diego	5h 49m layover 0h 53m - Denver	United Airlines	UA1970 UA1302
from $159 Find flight	5:40 am Houston George Bush	10:13 am San Diego San Diego	6h 33m layover 0h 44m - San Francisco	United Airlines	UA487 UA1483
from $159 Find flight	6:05 pm Houston George Bush	10:27 pm San Diego San Diego	6h 22m layover 0h 36m - San Francisco	United Airlines	UA2658 UA1074
from $161 Find flight	5:00 am Houston George Bush	9:09 am San Diego San Diego	6h 9m layover 1h 13m - Denver	United Airlines	UA2436 UA2309
from $161 Find flight	4:50 pm Houston George Bush	10:28 pm San Diego San Diego	7h 38m layover 1h 50m - San Francisco	United Airlines	UA2693 UA1074
from $161 Find flight	10:00 am Houston George Bush	1:40 pm San Diego San Diego	5h 40m layover 1h 2m - Los Angeles	United Airlines	UA469 UA5216
from $161 Find flight	6:05 pm Houston George Bush	10:28 pm San Diego San Diego	6h 23m layover 0h 35m - San Francisco	United Airlines	UA796 UA1074
from $189 Find flight	11:10 am Houston George Bush	2:59 pm San Diego San Diego	5h 49m layover 0h 54m - Denver	United Airlines	UA2453 UA1302
from $219 Find flight	9:51 pm Houston George Bush	7:56 am+1 день San Diego San Diego	12h 5m layover 6h 16m - San Francisco	United Airlines	UA445 UA1712
from $216 Find flight	9:59 pm Houston George Bush	10:12 am+1 день San Diego San Diego	14h 13m layover 6h 47m - Las Vegas 1h 51m - Los Angeles	United Airlines	UA1818 UA2480 UA4643
from $282 Find flight	12:50 pm Houston George Bush	8:50 pm San Diego San Diego	10h 0m layover 1h 38m - Denver 1h 27m - San Francisco	United Airlines	UA1211 UA2633 UA2633

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 07/02/2025

United Airlines Flight Schedule Houston to San Diego

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
12:50 pm — 2:11 pm	12:50 pm — 2:11 pm UA2486 United Airlines Houston — San Diego	3h 21m	Find flight from$165
2:20 pm — 3:44 pm	2:20 pm — 3:44 pm UA1581 United Airlines Houston — San Diego	3h 24m	Find flight from$156
4:20 pm — 5:39 pm	4:20 pm — 5:39 pm UA2399 United Airlines Houston — San Diego	3h 19m	Find flight from$165
6:40 pm — 8:01 pm	6:40 pm — 8:01 pm UA743 United Airlines Houston — San Diego	3h 21m	Find flight from$165
6:40 pm — 8:01 pm	6:40 pm — 8:01 pm UA1373 United Airlines Houston — San Diego	3h 21m	Find flight from$165
6:40 pm — 8:04 pm	6:40 pm — 8:04 pm UA2384 United Airlines Houston — San Diego	3h 24m	Find flight from$166
7:51 pm — 9:12 pm	7:51 pm — 9:12 pm UA2674 United Airlines Houston — San Diego	3h 21m	Find flight from$165
8:23 pm — 9:45 pm	8:23 pm — 9:45 pm UA2638 United Airlines Houston — San Diego	3h 22m	Find flight from$156
9:31 am — 10:53 am	9:31 am — 10:53 am UA2491 United Airlines Houston — San Diego	3h 22m	Find flight from$156
10:00 am — 1:40 pm	10:00 am — 11:39 am UA469 United Airlines Houston — Los Angeles 1h 2m stop 12:41 pm — 1:40 pm UA5216 United Airlines Los Angeles — San Diego	5h 40m including layover	Find flight from$161
10:10 am — 3:08 pm	10:10 am — 12:14 pm UA2358 United Airlines Houston — San Francisco 1h 16m stop 1:30 pm — 3:08 pm UA1106 United Airlines San Francisco — San Diego	6h 58m including layover	Find flight from$168
11:10 am — 2:59 pm	11:05 am — 12:40 pm UA1970 United Airlines Houston — Denver 53m stop 1:40 pm — 3:01 pm UA1302 United Airlines Denver — San Diego	5h 49m including layover	Find flight from$159
11:10 am — 5:24 pm	11:10 am — 12:44 pm UA2453 United Airlines Houston — Denver 3h 19m stop 4:03 pm — 5:24 pm UA1281 United Airlines Denver — San Diego	8h 14m including layover	Find flight from$177
12:55 pm — 5:17 pm	12:48 pm — 2:22 pm UA2013 United Airlines Houston — Denver 1h 28m stop 4:03 pm — 5:24 pm UA1281 United Airlines Denver — San Diego	6h 22m including layover	Find flight from$177
2:51 pm — 8:25 pm	2:50 pm — 4:40 pm UA241 United Airlines Houston — Denver 2h 30m stop 7:50 pm — 9:14 pm UA540 United Airlines Denver — San Diego	7h 34m including layover	Find flight from$168
3:37 pm — 10:28 pm	3:37 pm — 5:47 pm UA653 United Airlines Houston — San Francisco 3h 3m stop 8:50 pm — 10:28 pm UA1074 United Airlines San Francisco — San Diego	8h 51m including layover	Find flight from$161
3:37 pm — 8:48 pm	3:37 pm — 5:47 pm UA653 United Airlines Houston — San Francisco 1h 23m stop 7:10 pm — 8:48 pm UA1812 United Airlines San Francisco — San Diego	7h 11m including layover	Find flight from$168
4:25 pm — 10:14 pm	4:20 pm — 6:12 pm UA2338 United Airlines Houston — Denver 2h 52m stop 9:00 pm — 10:24 pm UA1835 United Airlines Denver — San Diego	7h 49m including layover	Find flight from$159
4:50 pm — 10:27 pm	4:50 pm — 7:00 pm UA234 United Airlines Houston — San Francisco 1h 48m stop 8:50 pm — 10:28 pm UA1074 United Airlines San Francisco — San Diego	7h 37m including layover	Find flight from$159
5:00 am — 9:09 am	5:00 am — 6:32 am UA2436 United Airlines Houston — Denver 1h 13m stop 7:50 am — 9:14 am UA2309 United Airlines Denver — San Diego	6h 9m including layover	Find flight from$161
5:40 am — 10:13 am	5:40 am — 7:49 am UA487 United Airlines Houston — San Francisco 44m stop 8:33 am — 10:13 am UA1483 United Airlines San Francisco — San Diego	6h 33m including layover	Find flight from$159
6:05 pm — 10:27 pm	6:05 pm — 8:12 pm UA2658 United Airlines Houston — San Francisco 36m stop 8:50 pm — 10:28 pm UA1074 United Airlines San Francisco — San Diego	6h 22m including layover	Find flight from$159
6:05 pm — 10:28 pm	6:05 pm — 8:15 pm UA796 United Airlines Houston — San Francisco 35m stop 8:50 pm — 10:28 pm UA1074 United Airlines San Francisco — San Diego	6h 23m including layover	Find flight from$161
7:20 am — 12:52 pm	7:20 am — 8:55 am UA2433 United Airlines Houston — Denver 2h 33m stop 11:28 am — 12:52 pm UA583 United Airlines Denver — San Diego	7h 32m including layover	Find flight from$168
8:18 pm — 11:36 pm	7:50 pm — 9:47 pm UA2095 United Airlines Houston — Los Angeles 40m stop 10:55 pm — 11:58 pm UA5612 United Airlines Los Angeles — San Diego	5h 18m including layover	Find flight from$168
9:45 am — 1:57 pm	9:45 am — 11:21 am UA469 United Airlines Houston — Los Angeles 1h 31m stop 12:52 pm — 1:57 pm UA4712 United Airlines Los Angeles — San Diego	6h 12m including layover	Find flight from$201

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 07/02/2025

Flight Information

There are 9 flights by United Airlines from Houston to San Diego every week with departures from Hobby, George Bush, Andrau Airpark, Marriot Astrodome Heliport, David Wayne Hooks, Ellington Field, West Houston, Central Bus. District, Greenway Plaza H/P, Transco Twr Galleria, Park Ten Heliport, Westchase Hilton H/P, Woodlawns, Houston Municipal, Spaceland. All flights arrive at San Diego, AFB, Golden Triangle Reg., Lowndes County, San Diego Regional, El Cajon, Montgomery Field, Miramar NAS, North Island NAS, Brown Field Municipal, Gillespie Field.

Departures start from 10:00 am to 9:59 pm. Nonstop flight is 3h 19m. The time difference between Houston and San Diego is 2h.

The fastest flight 3h 19m
Average flight time 3h 21m
The earliest flight 10:00 am
The latest flight 9:59 pm
Distance 1310 ml

The cheapest months for traveling to San Diego are october (from 208 $), august (from 211 $), september (from 219 $).

The most expensive and popular months are november (from 354 $), may (from 322 $), february (from 308 $).

The cheapest flight by United Airlines that our users were able to find is $156. This airfare is economy class on one-way UA1581 flight for October 7, 2025 leaving George Bush in Houston at 2:20 pm, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from Houston to San Diego:

Other Popular Airlines on the Route

Besides United Airlines there are other 6 airline carriers between Houston and San Diego. Please review schedules and prices from the most popular airlines to find the best airfare deals from Houston to San Diego.

Nonstop flights

There are 9 direct flights every day from Houston. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

AS - Alaska Airlines

from $140

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F9 - Frontier Airlines

from $71

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SY - Sun Country Airlines

from $139

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HA - Hawaiian Airlines

from $133

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NK - Spirit Airlines

from $63

Find
G4 - Allegiant Air

from $117

Find

See more connecting flights

How to book an air ticket yourself?

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