SAN

Find cheap United Airlines flights to San Diego from $59

1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap United Airlines Flight Deals to San Diego

 
Here are some of the best deals found on KAYAK recently from United Airlines to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip United Airlines flight deals to San Diego

Wed, May 13 - Tue, May 19
United Airlines Logo
7:40 pm - 9:12 pm
DEN
-
SAN
2h 32mnonstop
United Airlines Logo
6:32 am - 10:09 am
SAN
-
DEN
2h 37mnonstop
$91United Airlines
Wed, May 13 - Sun, May 17
United Airlines Logo
8:46 pm - 10:16 pm
DEN
-
SAN
2h 30mnonstop
United Airlines Logo
6:32 am - 10:09 am
SAN
-
DEN
2h 37mnonstop
$114United Airlines
Wed, Apr 1 - Sat, Apr 4
United Airlines Logo
10:40 pm - 12:29 am
SFO
-
SAN
1h 49mnonstop
United Airlines Logo
6:36 am - 8:24 am
SAN
-
SFO
1h 48mnonstop
$116United Airlines
Fri, Apr 17 - Mon, Apr 20
United Airlines Logo
9:00 pm - 10:30 pm
DEN
-
SAN
2h 30mnonstop
United Airlines Logo
7:14 pm - 10:45 pm
SAN
-
DEN
2h 31mnonstop
$117United Airlines
Wed, Apr 1 - Sat, Apr 4
United Airlines Logo
10:40 pm - 12:29 am
SFO
-
SAN
1h 49mnonstop
United Airlines Logo
6:36 am - 8:24 am
SAN
-
SFO
1h 48mnonstop
$117United Airlines
Sun, Apr 19 - Wed, Apr 22
United Airlines Logo
7:11 pm - 11:59 pm
SFO
-
SAN
4h 48m
1 stop
United Airlines Logo
6:36 am - 8:24 am
SAN
-
SFO
1h 48mnonstop
$119United Airlines
Wed, Apr 1 - Mon, Apr 6
United Airlines Logo
3:45 pm - 5:16 pm
DEN
-
SAN
2h 31mnonstop
United Airlines Logo
7:14 pm - 10:45 pm
SAN
-
DEN
2h 31mnonstop
$127United Airlines
Wed, Apr 1 - Sat, Apr 4
United Airlines Logo
10:40 pm - 12:29 am
SFO
-
SAN
1h 49mnonstop
United Airlines Logo
5:00 pm - 8:14 pm
SAN
-
SFO
3h 14m
1 stop
$127United Airlines
Thu, Apr 2 - Sat, Apr 4
United Airlines Logo
7:00 am - 8:44 am
SFO
-
SAN
1h 44mnonstop
United Airlines Logo
6:36 am - 8:24 am
SAN
-
SFO
1h 48mnonstop
$136United Airlines
Fri, Apr 17 - Sun, Apr 19
United Airlines Logo
1:26 pm - 2:57 pm
DEN
-
SAN
2h 31mnonstop
United Airlines Logo
6:32 am - 10:09 am
SAN
-
DEN
2h 37mnonstop
$137United Airlines
Useful Info

Good to know

Low seasonDecember
Cheapest flight$59
Average price round-trip$2,004
Good deal round-trip$1,704
Good deal one-way$682
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly with an average 5% increase in price.
Flight from Denver to San Diego
(avg. price over the last 2 weeks)
or less
or less

When to book flights with United Airlines to San Diego

Average price per month
Flight prices as travel date approaches

FAQs for flying to San Diego with United Airlines

  • Which other airlines fly to San Diego?

    Along with United Airlines, you can also fly to San Diego with Southwest, Alaska Airlines, Breeze Airways, Breeze Airways, Alaska Airlines, Delta and American Airlines.

  • Which airport do United Airlines flights to San Diego fly into?

    You’ll fly into San Diego Airport when flying to San Diego with United Airlines.

  • Are there any other airlines in Star Alliance that fly to San Diego?

    Unfortunately, there are no other airlines in Star Alliance that fly to San Diego.

Top tips for your flights to San Diego with United Airlines

  • If you’re intending to fly with United Airlines, book your flight to San Diego at least 2 weeks before departure to ensure a below-average price.
  • High season for flights to San Diego with United Airlines is March and prices are highest at this time. The cheapest month to fly is December.

United Airlines customer reviews

7.4
Good9,413 verified ratings
7.1Entertainment
7.7Boarding
8.1Crew
6.6Food
7.3Comfort
Traveler rating:
Sort by:
A
8.0 Very good
Wifi Bluetooth features for watching in flight movie was horrible. Screen kept blacking out no connection of sound although it said connected. Other than that smooth trip .
A
6.0 Okay
The 777’s economy seat’s legroom was more tolerable than expected. I appreciate the reclining mechanism which slides the seat forward to minimize cannibalizing the space behind. The food was terrible: very salty.
S
8.0 Very good
No comment on this trip
J
2.0 Poor
I paid $7,000 to fly round trip to Porto. I thought it was for business class. But on the leg from Miami to Newark, and again from Newark to Miami, i was in coach. One time in the middle seat of coach. From Newark to Porto I was in business class as expected, and it was fine. I fly to Portugal once per month, often paying $5,000 for business class. Usually i fly American Airlines. I'd be happy to fly more with United Airlines. But my experience was disappointing because i was put in the coach for almost half the flights.
A
8.0 Very good
Good
M
2.0 Poor
The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.
D
2.0 Poor
The flight was freezing, loud and bright
A
6.0 Okay
Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.
F
6.0 Okay
They forgot my pre-ordered meal.
M
10.0 Wonderful
Short flight, easy going staff
Read more about United Airlines

Everything you need to know for your flight to San Diego

Other airlines flying to San Diego

Flight deals from the most popular airlines with KAYAK users flying the route
Frontier flights to San Diego
Southwest flights to San Diego
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Delta flights to San Diego
American Airlines flights to San Diego