Skip to content

United flights to San Diego from

Select journey type

Enter to select travel class and passengers

Book with confidence with United

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

Chicago(ORD)
toSan Diego(SAN)
San Francisco(SFO)
toSan Diego(SAN)
Los Angeles(LAX)
toSan Diego(SAN)
Houston(IAH)
toSan Diego(SAN)
Fresno(FAT)
toSan Diego(SAN)
Santa Barbara(SBA)
toSan Diego(SAN)
Portland, OR(PDX)
toSan Diego(SAN)
Seattle(SEA)
toSan Diego(SAN)

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)

Fresno(FAT)
toSan Diego(SAN)
San Francisco(SFO)
toSan Diego(SAN)
Monterey(MRY)
toSan Diego(SAN)
Sacramento(SMF)
toSan Diego(SAN)
Las Vegas(LAS)
toSan Diego(SAN)
Reno(RNO)
toSan Diego(SAN)
Los Angeles(LAX)
toSan Diego(SAN)
Santa Barbara(SBA)
toSan Diego(SAN)

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

Saturday overcast clouds
69°F 10/24/20
Sunday light rain
66°F 10/25/20
Monday few clouds
69°F 10/26/20
Tuesday sky is clear
69°F 10/27/20
Wednesday sky is clear
73°F 10/28/20
Thursday sky is clear
75°F 10/29/20
Friday broken clouds
75°F 10/30/20
Powered by: OpenWeatherMap.org

Find more flights to San Diego (SAN) with United

FromToDatesFare TypePrice

Chicago (ORD)

San Diego (SAN)

Depart: 01/05/21

Return: 01/19/21

Roundtrip
from
$75*
Viewed:8hoursago

San Francisco (SFO)

San Diego (SAN)

Depart: 12/07/20

Return: 12/09/20

Roundtrip
from
$77*
Viewed:14hoursago

New York/Newark (EWR)

San Diego (SAN)

Depart: 12/02/20

Return: 12/09/20

Roundtrip
from
$229*
Viewed:15hoursago

Denver (DEN)

San Diego (SAN)

Depart: 01/07/21

Return: 01/21/21

Roundtrip
from
$167*
Viewed:16hoursago

Houston (IAH)

San Diego (SAN)

Depart: 12/02/20

Return: 12/09/20

Roundtrip
from
$143*
Viewed:14hoursago

Washington, D.C. (IAD)

San Diego (SAN)

Depart: 12/02/20

Return: 12/16/20

Roundtrip
from
$237*
Viewed:13hoursago

Sacramento (SMF)

San Diego (SAN)

Depart: 12/24/20

Return: 01/07/21

Roundtrip
from
$166*
Viewed:5hoursago

Washington, D.C. (WAS)

San Diego (SAN)

Depart: 12/25/20

Return: 01/05/21

Roundtrip
from
$282*
Viewed:9hoursago

Tampa (TPA)

San Diego (SAN)

Depart: 12/24/20

Return: 12/31/20

Roundtrip
from
$387*
Viewed:4hoursago

Honolulu (HNL)

San Diego (SAN)

Depart: 01/07/21

Return: 01/14/21

Roundtrip
from
$230*
Viewed:13hoursago

*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.