Cheap flights to San Diego
Round trips from 7 cities to San Diego, United States, from $122. Economy, per person, in USD.
Prices updated
Flights to San Diego by departure city
Cheapest round trip, per person-
San Francisco → San Diego
Dec 7 – 14 · Nonstop
$122
-
San Jose → San Diego
Dec 7 – 14 · Nonstop
$122
-
Oakland → San Diego
Dec 7 – 11 · Nonstop
$144
-
Seattle → San Diego
Dec 21 – 23 · Nonstop
$253
-
Baltimore → San Diego
Feb 1 – 4, 2027 · 3 stops
$281
-
New York → San Diego
Jan 10 – 17, 2027 · Nonstop
$334
-
Philadelphia → San Diego
Dec 18 – 29 · 1 stop
$379
Cheapest month to fly to San Diego
Lowest round trip per departure month, any of our cities| Month | Cheapest round trip |
|---|---|
| November 2026 | $194 from San Francisco |
| December 2026 | $122 from San Francisco (cheapest month) |
| January 2027 | $202 from Seattle |
| February 2027 | $281 from Baltimore |
| March 2027 | $145 from San Francisco |
| April 2027 | $599 from Philadelphia |
| May 2027 | No fares found yet |
| June 2027 | No fares found yet |
| July 2027 | $572 from Baltimore |
| August 2027 | $239 from San Francisco |
| September 2027 | $441 from New York |
Cheapest dates to San Diego
Best date pair from each city-
Dec 7 – 14 from San Francisco · 7 nights$122Book
Frontier Airlines Nonstop -
Dec 7 – 14 from San Jose · 7 nights$122Book
Frontier Airlines Nonstop
-
Dec 7 – 11 from Oakland · 4 nights$144Book
Frontier Airlines Nonstop
-
Dec 21 – 23 from Seattle · 2 nights$253Book
Alaska Airlines Nonstop -
Feb 1 – 4, 2027 from Baltimore · 3 nights$281Book
Frontier Airlines 3 stops
-
Jan 10 – 17, 2027 from New York · 7 nights$334Book
jetBlue Nonstop -
Dec 18 – 29 from Philadelphia · 11 nights$379Book
Frontier Airlines 1 stop
Prices change often. The booking site shows the final price before you pay.
Things to do in San Diego
One Go City pass for San Diego Zoo, San Diego Zoo Safari Park, Legoland California and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–7 days from $99 See pass
- All-Inclusive Pass Plus All-Inclusive plus 5 extra attractions from $149 See pass
- Essentials Pass A few top attractions, chosen as you go from $149 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 Diego: questions
Which city has the cheapest flights to San Diego?
Right now it's San Francisco: round trips from $122 (Dec 7 – 14, nonstop). Next cheapest: San Jose from $122 and Oakland from $144. We compare 7 departure cities.
What is the cheapest month to fly to San Diego?
December 2026: the cheapest round trip we have found departing that month is $122. The most expensive month in our data is April, where the cheapest round trip is $599. Based on the 9 months ahead we track.
Are there nonstop flights to San Diego?
Yes. We have found nonstop round trips from San Jose, San Francisco, Oakland and Seattle. The cheapest is $122 from San Jose.
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 Diego (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 $122 from San Francisco. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.