Cheapest routes found recently
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $56 |
| December 2026 | $220 |
| March 2027 | $62 |
| May 2027 | $378 |
| September 2027 | $298 |
Weather by month
The warmest month in San Diego is August, around 28 °C by day; the coolest is December, around 8 °C at night. The wettest month is March, with about 61 mm of rain, and the driest July, with about 1 mm.
| Month | Day °C | Night °C | Rain |
|---|---|---|---|
| January | 20.1° | 7.8° | 59 mm moderate |
| February | 20.6° | 8.5° | 56 mm moderate |
| March | 20.6° | 9.5° | 61 mm moderate |
| April | 22.5° | 10.9° | 23 mm dry |
| May | 23.1° | 13.2° | 6 mm dry |
| June | 25.1° | 15.0° | 2 mm dry |
| July | 27.6° | 16.9° | 1 mm dry |
| August | 28.5° | 17.8° | 3 mm dry |
| September | 28.0° | 16.9° | 6 mm dry |
| October | 26.0° | 14.0° | 11 mm dry |
| November | 23.1° | 9.9° | 34 mm moderate |
| December | 20.5° | 7.5° | 39 mm moderate |
Best time to go
For low fares and pleasant weather together, the best time in San Diego is November, March, with flights from $56.
-
November
$56
23 °C moderate
-
March
$62
21 °C moderate
Cheapest departure city each month
-
November
San Francisco $56 -
December
Orlando $220 -
March
San Francisco $62
Airports
Most cheap flights to San Diego arrive at San Diego International Airport, 4 km from the centre, which handles 100% of them.
- San Diego International Airport SAN 4 km from centre · 100% of arrivals
Airlines
-
Alaska Airlines
3 routes
-
Frontier Airlines
3 routes
-
Southwest Airlines
3 routes
-
American Airlines
1 route
-
United Airlines
1 route
Practical facts
Prices are paid in USD. Clocks are set to UTC-8. Sockets are type A, B and the mains supply is 120 V, 60 Hz. The main language is English. The international dialling code is +1, and traffic drives on the right.
-
USD
Currency
-
UTC-8
Time zone
-
A, B
Plug type
-
120 V, 60 Hz
Mains supply
-
English
Languages
-
+1
Dialling code
-
Right
Traffic
-
eSIM
Mobile data · Airalo
Also consider flying to
-
Ontario
155 km away $144 -
Los Angeles
180 km away $36
Questions and answers
- Which month is the cheapest to fly to San Diego?
- November is currently the cheapest month, with tickets from $56.
- From where is it cheapest to fly to San Diego right now?
- The cheapest departure city found is San Francisco, from $56 in November.
- Are there direct flights to San Diego?
- Yes. Of 3 routes with recent prices, 3 have direct flights.
- Which airlines fly to San Diego?
- Airlines found on these routes: Alaska Airlines, Frontier Airlines, Southwest Airlines, American Airlines, United Airlines.
- Is there a cheaper nearby airport for San Diego?
- Ontario is 155 km away, with flights from $144.
- What is the weather like in San Diego in August?
- The warmest month in San Diego is August, with daytime highs around 28 °C and about 3 mm of rain.
- When is the best time to visit San Diego?
- The best time is November, March: fares in the cheapest third of the year paired with comfortable weather, from $56.
- Which currency is used in San Diego?
- The currency is USD. Sockets are type A, B and the mains supply is 120 V, 60 Hz.
- Which airport should I fly into for San Diego?
- San Diego International Airport takes 100% of the cheapest flights and is 4 km from the centre.
Prices last updated Nov. 4, 2026
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