Skip to content

Get United's best fares today on flights to San Diego from

Select journey type

Enter to select travel class and passengers

Most popular flights to San Diego (SAN)

Madrid(MAD)to
San Diego(SAN)
16/01/2020
-
30/01/2020
Roundtrip
|
Economy

cmp-load-more-aria-description

*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.

Most popular flights to San Diego (SAN)

Unfortunately there are no results available now, come back later.
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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 in San Diego

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

Monday broken clouds
27°C 18/11/2019
Tuesday light rain
23°C 19/11/2019
Wednesday heavy intensity rain
14°C 20/11/2019
Thursday moderate rain
16°C 21/11/2019
Friday sky is clear
19°C 22/11/2019
Saturday broken clouds
19°C 23/11/2019
Sunday overcast clouds
18°C 24/11/2019
Powered by: OpenWeatherMap.org

Search for more flights to San Diego (SAN)

FromToDatesFare TypePrice

Madrid (MAD)

San Diego (SAN)

Depart: 17/02/2020

24/02/2020

Roundtrip
from
620*
Viewed:3hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.