Skip to content

United flights to San Diego

Select journey type

Enter to select travel class and passengers

  1. Homekeyboard_arrow_right
  2. United flightskeyboard_arrow_right
  3. Flights to the United Stateskeyboard_arrow_right
  4. Flights to San Diego

Book with confidence with United

United's most popular flights to San Diego (SAN)

San Francisco(SFO)to
San Diego(SAN)
Roundtrip
|
Economy
from
$77
Viewed:18 hours ago
Chicago(ORD)to
San Diego(SAN)
Roundtrip
|
Economy
from
$85
Viewed:29 min ago
Denver(DEN)to
San Diego(SAN)
Roundtrip
|
Economy
from
$117
Viewed:4 hours ago
Houston(IAH)to
San Diego(SAN)
Roundtrip
|
Economy
from
$123
Viewed:3 hours ago
Sacramento(SMF)to
San Diego(SAN)
Roundtrip
|
Economy
from
$146
Viewed:17 hours ago
New York/Newark(EWR)to
San Diego(SAN)
Roundtrip
|
Economy
from
$231
Viewed:4 hours ago
Washington, D.C.(IAD)to
San Diego(SAN)
Roundtrip
|
Economy
from
$237
Viewed:13 hours ago
Tampa(TPA)to
San Diego(SAN)
Roundtrip
|
Economy
from
$242
Viewed:8 hours ago

Press the Enter/Space key to load more items on the list or press the TAB key to continue

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

United's most popular flights to San Diego (SAN)

Sacramento(SMF)to
San Diego(SAN)
Roundtrip
|
Business
from
$284
Viewed:4 hours ago
San Francisco(SFO)to
San Diego(SAN)
Roundtrip
|
Business
from
$325
Viewed:4 hours ago
Denver(DEN)to
San Diego(SAN)
Roundtrip
|
Business
from
$440
Viewed:12 hours ago
Chicago(ORD)to
San Diego(SAN)
Roundtrip
|
Business
from
$695
Viewed:10 hours ago
Houston(IAH)to
San Diego(SAN)
Roundtrip
|
Business
from
$709
Viewed:34 min ago
New York/Newark(EWR)to
San Diego(SAN)
Roundtrip
|
Business
from
$779
Viewed:14 hours ago
Tampa(TPA)to
San Diego(SAN)
Roundtrip
|
Business
from
$857
Viewed:3 hours ago
Washington, D.C.(IAD)to
San Diego(SAN)
Roundtrip
|
Business
from
$893
Viewed:7 hours ago

Press the Enter/Space key to load more items on the list or press the TAB key to continue

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Things to do after your flight to San Diego (SAN)

Fly to San Diego with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.

San Diego’s top attractions

  • Admire the architecture and landscapes at Balboa Park. The park is home to several attractions, including the San Diego Zoo, the Natural History Museum and the Desert Garden.
  • Visit the Mission Basilica San Diego de Alcala, the first mission in California.
  • Stroll through the Gaslamp Quarter.
  • Take a boat ride around San Diego Bay.
  • Grab a glimpse into the past at Old Town San Diego State Historic Park.
  • Relax at Mission Beach, Coronado Beach or Ocean Beach.
  • Go hiking at Torrey Pines State Natural Reserve.

Best time to travel to San Diego

Visit San Diego year-round for mild weather and plenty of events and activities. Winter is the best time to spot migrating whales off the coast, and spring is the perfect time to witness wildflowers in full bloom in the hills. Summer comes alive with many festivals, including the San Diego County Fair. You can visit San Diego or nearby cities when you fly to California on United.

Weather in San Diego

Thursday sky is clear
77°F 09/24/20
Friday sky is clear
75°F 09/25/20
Saturday sky is clear
73°F 09/26/20
Sunday sky is clear
73°F 09/27/20
Monday sky is clear
77°F 09/28/20
Tuesday sky is clear
81°F 09/29/20
Wednesday sky is clear
81°F 09/30/20
Powered by: OpenWeatherMap.org

Find more flights to San Diego (SAN) with United

FromToDatesFare TypePrice

Chicago (ORD)

San Diego (SAN)

Depart: 12/11/20

Return: 12/25/20

Roundtrip
from
$85*
Viewed:10hoursago

New York/Newark (EWR)

San Diego (SAN)

Depart: 12/06/20

Return: 12/13/20

Roundtrip
from
$231*
Viewed:13hoursago

San Francisco (SFO)

San Diego (SAN)

Depart: 10/20/20

Return: 10/27/20

Roundtrip
from
$77*
Viewed:17hoursago

Denver (DEN)

San Diego (SAN)

Depart: 11/16/20

Return: 11/23/20

Roundtrip
from
$117*
Viewed:4hoursago

Houston (IAH)

San Diego (SAN)

Depart: 12/06/20

Return: 12/13/20

Roundtrip
from
$123*
Viewed:12hoursago

Washington, D.C. (IAD)

San Diego (SAN)

Depart: 12/07/20

Return: 12/21/20

Roundtrip
from
$237*
Viewed:12hoursago

Sacramento (SMF)

San Diego (SAN)

Depart: 11/24/20

Return: 12/08/20

Roundtrip
from
$146*
Viewed:17hoursago

Tampa (TPA)

San Diego (SAN)

Depart: 10/26/20

Return: 11/09/20

Roundtrip
from
$242*
Viewed:7hoursago

Cleveland (CLE)

San Diego (SAN)

Depart: 10/26/20

Return: 11/09/20

Roundtrip
from
$222*
Viewed:4hoursago

Orlando (MCO)

San Diego (SAN)

Depart: 10/27/20

Return: 11/10/20

Roundtrip
from
$242*
Viewed:1hourago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

More flights to San Diego (SAN) with United Airlines