Cheapest routes found recently
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $78 |
| December 2026 | $45 |
| January 2027 | $34 |
| February 2027 | $98 |
| March 2027 | $246 |
| April 2027 | $811 |
| May 2027 | $289 |
| June 2027 | $477 |
| July 2027 | $810 |
| August 2027 | $850 |
| September 2027 | $869 |
Weather by month
The warmest month in San Francisco is September, around 23 °C by day; the coolest is January, around 6 °C at night. The wettest month is January, with about 162 mm of rain, and the driest July, with about 2 mm.
| Month | Day °C | Night °C | Rain |
|---|---|---|---|
| January | 13.9° | 6.3° | 162 mm wet |
| February | 15.8° | 7.3° | 138 mm wet |
| March | 16.7° | 7.8° | 121 mm wet |
| April | 18.4° | 8.3° | 48 mm moderate |
| May | 19.6° | 9.5° | 17 mm dry |
| June | 20.9° | 10.8° | 5 mm dry |
| July | 21.7° | 11.4° | 2 mm dry |
| August | 21.8° | 12.1° | 3 mm dry |
| September | 22.8° | 12.2° | 9 mm dry |
| October | 21.7° | 10.9° | 45 mm moderate |
| November | 17.7° | 8.5° | 108 mm wet |
| December | 14.4° | 6.4° | 125 mm wet |
Best time to go
No month in San Francisco combines the cheapest fares with mild weather, so go on price: the cheapest time to fly is November, December, January, from $34.
-
November
$78
18 °C wet
-
December
$45
14 °C wet
-
January
$34
14 °C wet
Cheapest departure city each month
-
November
Los Angeles $78 -
December
Los Angeles $45 -
January
Los Angeles $34 -
February
Phoenix $98 -
March
Los Angeles $246 -
April
Istanbul $811
Airports
Most cheap flights to San Francisco arrive at San Francisco International Airport, 18 km from the centre, which handles 100% of them.
- San Francisco International Airport SFO 18 km from centre · 100% of arrivals
Airlines
-
Frontier Airlines
4 routes
-
United Airlines
4 routes
-
Southwest Airlines
4 routes
-
Alaska Airlines
3 routes
-
American Airlines
2 routes
-
Aegean Airlines
1 route
-
Air France
1 route
-
Royal Air Maroc
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
-
San Jose
67 km away $134
Questions and answers
- Which month is the cheapest to fly to San Francisco?
- January is currently the cheapest month, with tickets from $34.
- From where is it cheapest to fly to San Francisco right now?
- The cheapest departure city found is Los Angeles, from $78 in November.
- Are there direct flights to San Francisco?
- Yes. Of 5 routes with recent prices, 5 have direct flights.
- Which airlines fly to San Francisco?
- Airlines found on these routes: Frontier Airlines, United Airlines, Southwest Airlines, Alaska Airlines, American Airlines.
- Is there a cheaper nearby airport for San Francisco?
- San Jose is 67 km away, with flights from $134.
- What is the weather like in San Francisco in September?
- The warmest month in San Francisco is September, with daytime highs around 23 °C and about 9 mm of rain.
- When is the best time to visit San Francisco?
- On price alone, the cheapest time to fly is November, December, January, from $34.
- Which currency is used in San Francisco?
- 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 Francisco?
- San Francisco International Airport takes 100% of the cheapest flights and is 18 km from the centre.
Prices last updated Nov. 4, 2026
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