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Everything you should know
Flight Deals
Cheap Flights to San Diego
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals to San Diego
Thu, Dec 3 - Sat, Dec 5
11:55 am - 6:10 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
7h 15m1 stop San Francisco
5:43 pm - 8:11 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 28mnonstop
$82Frontier
Sat, Dec 19 - Mon, Dec 21
10:50 am - 11:09 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 19mnonstop
2:45 pm - 5:11 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 26mnonstop
$82Frontier
Fri, Dec 18 - Mon, Dec 21
6:00 am - 6:25 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 25mnonstop
2:45 pm - 5:11 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 26mnonstop
$83Multiple Airlines
Mon, Nov 23 - Tue, Dec 1
11:45 am - 12:07 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 22mnonstop
4:58 pm - 7:20 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 22mnonstop
$83Multiple Airlines
Sat, Dec 12 - Mon, Dec 14
10:46 am - 12:26 pmSFO San Francisco-SAN San Diego
1h 40mnonstop
4:23 pm - 6:06 pmSAN San Diego-SFO San Francisco
1h 43mnonstop
$109Alaska Airlines
Sat, Dec 5 - Mon, Dec 7
4:08 pm - 4:33 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 25mnonstop
4:58 pm - 7:20 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 22mnonstop
$110Alaska Airlines
Fri, Dec 11 - Fri, Dec 18
8:15 am - 8:36 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 21mnonstop
9:20 pm - 11:56 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 36mnonstop
$116American Airlines
Fri, Dec 11 - Fri, Dec 18
11:49 am - 12:16 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 27mnonstop
9:35 am - 12:08 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 33mnonstop
$116American Airlines
Thu, Dec 24 - Thu, Dec 31
4:15 pm - 4:25 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 10mnonstop
6:50 am - 9:10 amSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 20mnonstop
$117Southwest
Sat, Dec 19 - Thu, Dec 24
10:05 pm - 10:15 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 10mnonstop
2:25 pm - 4:45 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 20mnonstop
$117Southwest
Recent one-way flight deals to San Diego
Mon, Nov 30
3:11 pm - 11:37 amPHX Phoenix Sky Harbor Intl-SAN San Diego
21h 26m1 stop Las Vegas Harry Reid Intl
$51Frontier
Tue, Feb 2
4:21 pm - 2:38 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
23h 17m1 stop Las Vegas Harry Reid Intl
$51Frontier
Wed, Dec 30
4:12 pm - 5:51 pmSFO San Francisco-SAN San Diego
1h 39mnonstop
$56Alaska Airlines
Thu, Dec 17
6:00 am - 6:25 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 25mnonstop
$57Alaska Airlines
Wed, Dec 30
6:45 am - 8:20 amSFO San Francisco-SAN San Diego
1h 35mnonstop
$59Southwest
Mon, Jan 4
6:50 am - 8:25 amSFO San Francisco-SAN San Diego
1h 35mnonstop
$59Southwest
Sat, Dec 19
10:42 pm - 12:19 amSFO San Francisco-SAN San Diego
1h 37mnonstop
$59United Airlines
Mon, Dec 21
8:52 pm - 10:29 pmSFO San Francisco-SAN San Diego
1h 37mnonstop
$59United Airlines
Thu, Nov 26
3:21 pm - 3:42 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 21mnonstop
$59American Airlines
Fri, Dec 18
8:15 am - 8:40 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 25mnonstop
$59American Airlines
Recent last minute flight deals to San Diego
Mon, Nov 9 - Sat, Nov 21
7:00 am - 10:11 amDEN Denver Intl-SAN San Diego
4h 11m1 stop Phoenix Sky Harbor Intl
8:50 am - 3:01 pmSAN San Diego-DEN Denver Intl
5h 11m1 stop Las Vegas Harry Reid Intl
$126Frontier
Fri, Nov 6 - Mon, Nov 30
7:00 am - 10:11 amDEN Denver Intl-SAN San Diego
4h 11m1 stop Phoenix Sky Harbor Intl
6:30 am - 10:04 amSAN San Diego-DEN Denver Intl
2h 34mnonstop
$128Frontier
Tue, Nov 10 - Tue, Dec 8
7:04 am - 8:42 amSFO San Francisco-SAN San Diego
1h 38mnonstop
7:51 pm - 9:46 pmSAN San Diego-SFO San Francisco
1h 55mnonstop
$188Multiple Airlines
Tue, Nov 10 - Thu, Dec 10
11:53 am - 1:36 pmSFO San Francisco-SAN San Diego
1h 43mnonstop
7:51 pm - 9:46 pmSAN San Diego-SFO San Francisco
1h 55mnonstop
$193Multiple Airlines
Tue, Nov 10 - Mon, Nov 23
7:04 am - 8:42 amSFO San Francisco-SAN San Diego
1h 38mnonstop
7:08 am - 8:52 amSAN San Diego-SFO San Francisco
1h 44mnonstop
$227Alaska Airlines
Wed, Nov 11 - Mon, Nov 23
9:25 am - 11:10 amSFO San Francisco-SAN San Diego
1h 45mnonstop
1:25 pm - 3:10 pmSAN San Diego-SFO San Francisco
1h 45mnonstop
$227Southwest
Tue, Nov 10 - Tue, Nov 17
8:25 am - 11:45 amBOS Boston Logan Intl-SAN San Diego
6h 20mnonstop
11:25 am - 7:50 pmSAN San Diego-BOS Boston Logan Intl
5h 25mnonstop
$247Southwest
Tue, Nov 10 - Tue, Nov 17
9:30 am - 12:56 pmBOS Boston Logan Intl-SAN San Diego
6h 26mnonstop
9:40 pm - 10:41 amSAN San Diego-BOS Boston Logan Intl
10h 01m1 stop New York John F Kennedy Intl
$247JetBlue
Sat, Nov 7 - Tue, Nov 17
1:00 pm - 8:22 pmBOS Boston Logan Intl-SAN San Diego
10h 22m1 stop New York John F Kennedy Intl
9:40 pm - 10:41 amSAN San Diego-BOS Boston Logan Intl
10h 01m1 stop New York John F Kennedy Intl
$247JetBlue
Wed, Nov 11 - Sat, Nov 14
7:03 am - 10:34 amBOS Boston Logan Intl-SAN San Diego
6h 31mnonstop
8:03 am - 4:41 pmSAN San Diego-BOS Boston Logan Intl
5h 38mnonstop
$252Alaska Airlines
Recent direct flight deals from the United States to San Diego
Sat, Dec 19 - Mon, Dec 21
10:50 am - 11:09 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 19mnonstop
2:45 pm - 5:11 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 26mnonstop
$82Frontier
Sun, Dec 20 - Tue, Dec 22
5:17 pm - 6:58 pmSFO San Francisco-SAN San Diego
1h 41mnonstop
1:19 pm - 3:16 pmSAN San Diego-SFO San Francisco
1h 57mnonstop
$83Frontier
Wed, Dec 30 - Thu, Dec 31
4:12 pm - 5:51 pmSFO San Francisco-SAN San Diego
1h 39mnonstop
1:14 pm - 3:11 pmSAN San Diego-SFO San Francisco
1h 57mnonstop
$83Multiple Airlines
Wed, Dec 30 - Thu, Dec 31
4:12 pm - 5:51 pmSFO San Francisco-SAN San Diego
1h 39mnonstop
1:14 pm - 3:11 pmSAN San Diego-SFO San Francisco
1h 57mnonstop
$83Multiple Airlines
Sat, Dec 12 - Mon, Dec 14
10:46 am - 12:26 pmSFO San Francisco-SAN San Diego
1h 40mnonstop
4:23 pm - 6:06 pmSAN San Diego-SFO San Francisco
1h 43mnonstop
$109Alaska Airlines
Sat, Dec 12 - Mon, Dec 14
6:20 am - 8:00 amSFO San Francisco-SAN San Diego
1h 40mnonstop
7:28 pm - 9:20 pmSAN San Diego-SFO San Francisco
1h 52mnonstop
$110Alaska Airlines
Fri, Dec 11 - Fri, Dec 18
8:15 am - 8:36 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 21mnonstop
9:20 pm - 11:56 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 36mnonstop
$116American Airlines
Fri, Dec 11 - Fri, Dec 18
11:49 am - 12:16 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 27mnonstop
9:35 am - 12:08 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 33mnonstop
$116American Airlines
Sat, Dec 5 - Mon, Dec 7
3:50 pm - 5:30 pmSFO San Francisco-SAN San Diego
1h 40mnonstop
2:30 pm - 4:15 pmSAN San Diego-SFO San Francisco
1h 45mnonstop
$117Southwest
Tue, Dec 15 - Tue, Dec 22
7:15 am - 8:55 amSFO San Francisco-SAN San Diego
1h 40mnonstop
6:30 am - 8:20 amSAN San Diego-SFO San Francisco
1h 50mnonstop
$117Southwest
All round-trip flight deals to San Diego
Thu, Dec 3 - Sat, Dec 5
11:55 am - 6:10 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
7h 15m1 stop San Francisco
5:43 pm - 8:11 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 28mnonstop
$82Frontier
Sat, Dec 19 - Mon, Dec 21
10:50 am - 11:09 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 19mnonstop
2:45 pm - 5:11 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 26mnonstop
$82Frontier
Fri, Dec 18 - Mon, Dec 21
6:00 am - 6:25 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 25mnonstop
2:45 pm - 5:11 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 26mnonstop
$83Multiple Airlines
Mon, Nov 23 - Tue, Dec 1
11:45 am - 12:07 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 22mnonstop
4:58 pm - 7:20 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 22mnonstop
$83Multiple Airlines
Sat, Dec 12 - Mon, Dec 14
10:46 am - 12:26 pmSFO San Francisco-SAN San Diego
1h 40mnonstop
4:23 pm - 6:06 pmSAN San Diego-SFO San Francisco
1h 43mnonstop
$109Alaska Airlines
Sat, Dec 5 - Mon, Dec 7
4:08 pm - 4:33 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 25mnonstop
4:58 pm - 7:20 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 22mnonstop
$110Alaska Airlines
Fri, Dec 11 - Fri, Dec 18
8:15 am - 8:36 amPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 21mnonstop
9:20 pm - 11:56 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 36mnonstop
$116American Airlines
Fri, Dec 11 - Fri, Dec 18
11:49 am - 12:16 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 27mnonstop
9:35 am - 12:08 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 33mnonstop
$116American Airlines
Thu, Dec 24 - Thu, Dec 31
4:15 pm - 4:25 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 10mnonstop
6:50 am - 9:10 amSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 20mnonstop
$117Southwest
Sat, Dec 19 - Thu, Dec 24
10:05 pm - 10:15 pmPHX Phoenix Sky Harbor Intl-SAN San Diego
1h 10mnonstop
2:25 pm - 4:45 pmSAN San Diego-PHX Phoenix Sky Harbor Intl
1h 20mnonstop
$117Southwest
Booking Insights
Price, demand and travel trends for flights to San Diego
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
More
What is the cheapest flight to San Diego?
Phoenix Sky Harbor Intl Airport to San Diego is the cheapest route at $82 round-trip, found in the past 5 days on KAYAK. San Francisco to San Diego is the most popular connection with round-trip deals from $109.
How much is a flight to San Diego?
Average and cheapest price for all round-trip flights to San Diego from each origin found by users searching on KAYAK in the last 12 months.On average, a round-trip flight from the United States to San Diego costs $361, based on KAYAK data over the past 12 months. Round-trip fares from Las Vegas average $162, while Phoenix runs a bit higher at $164.
What is the cheapest day to fly to San Diego?
Saturday is the cheapest day to fly to San Diego at $360 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $425.
What’s the cheapest month to fly to San Diego?
To calculate monthly average prices, KAYAK takes all prices for each month over the last 12 months for flights to San Diego, removes the top 0.1% to account for outliers, then takes the median of all values for each month.•January is the cheapest month to fly to San Diego with an average price of $309 round-trip.
•December ($391) and June ($387) are the most expensive.
Based on KAYAK data over the past 12 months.What is the cheapest time of day to fly to San Diego?
Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.Night flights to San Diego are the cheapest at $287 round-trip on average. Morning flights are the most expensive at $383.
What is a good deal for flights to San Diego?
Flights under $242 are considered a good deal. 25% of KAYAK users found round-trip flights to San Diego at or below these prices, with the lowest fares from:
•Phoenix $105
•Las Vegas $109
•Denver $130.
What are the most popular airlines flying to San Diego?
Based on KAYAK data over the past 3 months.Southwest is the most popular airline flying to San Diego among KAYAK users, followed by Alaska Airlines and United Airlines.
Which airline offers the most nonstop flights to San Diego?
Based on KAYAK flight schedule data, reflecting busyness trends for the next 3 months. Weekly flight counts are averages and may change as airline schedules are updated.Southwest operates the most nonstop flights to San Diego, with an average of 790 per week. Alaska Airlines follows with 686 weekly nonstop flights. 9 airlines fly nonstop to this destination.
How many direct flights to San Diego are there each day?
There are around 309 daily direct flights to San Diego. 45% depart in the morning, 27% in the afternoon, 22% in the evening and 6% at night.
How many direct flights to San Diego are there each week?
There are 2,157 direct flights to San Diego each week. Sunday is the day with the most departures at 15%.
How many long-haul flights are there to San Diego each week?
Based on KAYAK data for the upcoming 3 months.There are 133 long-haul flights (6-12h) to San Diego each week, along with 673 medium-haul (3-6h) and 1,351 short-haul (up to 3h) flights.
How many cities have direct flights to San Diego?
Based on KAYAK data for the upcoming 3 months.47 cities have direct flights to San Diego. San Francisco has the most with 149 direct flights per week.
Expert advice
Expert advice for your flight to San Diego
AI-powered summary based on content written by travel experts. AI can make mistakes.
Our travel experts
Key details for flights to San Diego
Low season | October |
|---|---|
High season | June |
Cheapest flight | $51 |
When to book flights to San Diego
Are your dates flexible? Find out the best times to travel to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to San Diego based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Flights to San Diego: the best tips from KAYAK users' own experiences
Insights shared by verified travelers who flew to San Diego
Your questions about flights to San Diego, answered
Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.
Your guide to booking San Diego flights
From booking to airport arrival, find tips to help you plan your flight with more confidence.Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsNational City
Julian
Poway
Borrego Springs
Alpine
Santee
Lemon Grove
More options for your flight to San Diego
Complete your trip to San Diego with a hotel stay or car rental
Flights with popular airlines flying to San Diego
Flights from the other most popular airlines that fly from the United States to San Diego according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Southwest flights to San Diegofrom $78
Frontier flights to San Diegofrom $77
Alaska Airlines flights to San Diegofrom $117
United Airlines flights to San Diegofrom $141
Delta flights to San Diegofrom $378
Information on the airport you'll fly into in San Diego
Cabin class types available on flights to San Diego
Cabin classes available on flights to San Diego. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights for San Diego
Flights from local origins to San Diego
Flights from all regions of United States to San Diego. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Flights from Alabama to San Diegofrom $199
Flights from Alaska to San Diegofrom $440
Flights from Arkansas to San Diegofrom $282
Flights from Florida to San Diegofrom $197
Flights from Georgia to San Diegofrom $199
Flights from Hawaii to San Diegofrom $344
Flights from Idaho to San Diegofrom $117
Flights from Illinois to San Diegofrom $167
Flights from Indiana to San Diegofrom $175
Flights from Iowa to San Diegofrom $176
Flights from Kansas to San Diegofrom $217
Flights from Kentucky to San Diegofrom $196
Flights from Louisiana to San Diegofrom $195
Flights from Maine to San Diegofrom $137
Flights from Maryland to San Diegofrom $242
Flights from Michigan to San Diegofrom $185
Flights from Minnesota to San Diegofrom $193
Flights from Missouri to San Diegofrom $167
Flights from Montana to San Diegofrom $227
Flights from Nebraska to San Diegofrom $176
Flights from Nevada to San Diegofrom $50
Flights from New Jersey to San Diegofrom $289
Flights from New Mexico to San Diegofrom $217
Flights from Ohio to San Diegofrom $206
Flights from Oklahoma to San Diegofrom $132
Flights from Oregon to San Diegofrom $117
Flights from Tennessee to San Diegofrom $196
Flights from Texas to San Diegofrom $132
Flights from Utah to San Diegofrom $121
Flights from Vermont to San Diegofrom $286
Flights from Virginia to San Diegofrom $186
Flights from Washington to San Diegofrom $137
Flights from Wisconsin to San Diegofrom $185
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Popular routes to San Diego
The most searched for flights to San Diego from KAYAK users over the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Chicago to San Diego (CHI - SAN)from $237
Boston to San Diego (BOS - SAN)from $182
New York to San Diego (NYC - SAN)from $258
Denver to San Diego (DEN - SAN)from $110
Seattle to San Diego (SEA - SAN)from $117
Oakland to San Diego (OAK - SAN)from $117
San Jose to San Diego (SJC - SAN)from $117
Sacramento to San Diego (SMF - SAN)from $117
Fresno to San Diego (FAT - SAN)from $157
Dallas to San Diego (A78 - SAN)from $165