Cheap flights to San Francisco
Round trips from 18 cities to San Francisco, United States, from $45. Economy, per person, in USD.
Prices updated
Flights to San Francisco by departure city
Cheapest round trip, per person-
Los Angeles → San Francisco
Jan 7 – 13, 2027 · Nonstop
$45
-
Ontario → San Francisco
Jan 7 – 13, 2027 · Nonstop
$45
-
Las Vegas → San Francisco
Feb 5 – 7, 2027 · Nonstop
$84
-
Seattle → San Francisco
Dec 6 – 12 · Nonstop
$102
-
Phoenix → San Francisco
Jan 1 – 5, 2027 · 1 stop
$136
-
San Diego → San Francisco
Dec 13 – 15 · Nonstop
$140
-
Denver → San Francisco
Dec 11 – 13 · 1 stop
$175
-
Dallas → San Francisco
Jan 14 – 21, 2027 · 1 stop
$177
-
Portland → San Francisco
Dec 10 – 16 · Nonstop
$185
-
Orlando → San Francisco
Jan 5 – 9, 2027 · 1 stop
$270
-
New York → San Francisco
Dec 9 – 16 · Nonstop
$278
-
Chicago → San Francisco
Dec 25 – 31 · 1 stop
$283
-
Houston → San Francisco
Dec 14 – 21 · 1 stop
$285
-
Miami → San Francisco
Feb 10 – 17, 2027 · 2 stops
$306
-
Boston → San Francisco
Dec 4 – 7 · 1 stop
$318
-
Washington → San Francisco
Dec 21 – 27 · 1 stop
$375
-
Philadelphia → San Francisco
Dec 2 – 12 · 1 stop
$396
-
Hong Kong → San Francisco
Dec 31 – Jan 7, 2027 · 3 stops
$1,456
Cheapest month to fly to San Francisco
Lowest round trip per departure month, any of our cities| Month | Cheapest round trip |
|---|---|
| November 2026 | $136 from Los Angeles |
| December 2026 | $77 from Ontario |
| January 2027 | $45 from Los Angeles (cheapest month) |
| February 2027 | $84 from Las Vegas |
| March 2027 | $149 from Los Angeles |
| April 2027 | $200 from San Diego |
| May 2027 | $239 from San Diego |
| June 2027 | $316 from Denver |
| July 2027 | $239 from San Diego |
| August 2027 | $331 from Las Vegas |
| September 2027 | $245 from San Diego |
| October 2027 | $322 from Los Angeles |
Cheapest dates to San Francisco
Best date pair from each city-
Jan 7 – 13, 2027 from Los Angeles · 6 nights$45Book
Frontier Airlines Nonstop -
Jan 7 – 13, 2027 from Ontario · 6 nights$45Book
Frontier Airlines Nonstop
-
Feb 5 – 7, 2027 from Las Vegas · 2 nights$84Book
Frontier Airlines Nonstop
-
Dec 6 – 12 from Seattle · 6 nights$102Book
Alaska Airlines Nonstop -
Jan 1 – 5, 2027 from Phoenix · 4 nights$136Book
United Airlines 1 stop -
Dec 13 – 15 from San Diego · 2 nights$140Book
Southwest Airlines Nonstop -
Dec 11 – 13 from Denver · 2 nights$175Book
Frontier Airlines 1 stop
-
Jan 14 – 21, 2027 from Dallas · 7 nights$177Book
Frontier Airlines 1 stop
Prices change often. The booking site shows the final price before you pay.
Things to do in San Francisco
One Go City pass for Golden Gate Bay Cruise, Exploratorium, Filoli and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–5 days from $109 See pass
- Explorer Pass Pick 2–5 of 25 attractions from $89 See pass
- Essentials Pass A few top attractions, chosen as you go from $74 See pass
What the passes include
Go City prices checked Oct 23, 2026; the final price is on Go City. Photo credits. Partner links: we may earn a commission if you book, at no extra cost to you.
Flights to San Francisco: questions
Which city has the cheapest flights to San Francisco?
Right now it's Los Angeles: round trips from $45 (Jan 7 – 13, 2027, nonstop). Next cheapest: Ontario from $45 and Las Vegas from $84. We compare 18 departure cities.
What is the cheapest month to fly to San Francisco?
January 2027: the cheapest round trip we have found departing that month is $45. The most expensive month in our data is August, where the cheapest round trip is $331. Based on the 12 months ahead we track.
Are there nonstop flights to San Francisco?
Yes. We have found nonstop round trips from Los Angeles, Ontario, Las Vegas and Seattle. The cheapest is $45 from Los Angeles.
More of United States
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Popular destinations
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About these prices
We track round-trip economy fares to San Francisco (United States) from the cities listed above using Travelpayouts / Aviasales data, and refresh every route about once a day. The cheapest round trip we've found is $45 from Los Angeles. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.