$39 Cheap flights to San Diego
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Diego departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United States to San Diego
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Recent direct flight deals from the United States to San Diego
See travel insights to San Diego from
San Diego flights insights and trends
Explore insights for your San Diego flight to craft the best travel plan
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of October, then departing from United States during the month September is also very affordable. Most momondo users find prices during this month for around $336.
What is the absolute cheapest flight to San Diego?
Users booking trips to San Diego from Las Vegas found flights 87% cheaper than the average price of flights to San Diego. To find the cheapest price to San Diego from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from United States to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $375. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $451. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $383. Flights at noon are often more expensive with an average ticket price of $527.
Cheap San Diego flight deals and tips
Summary info about San Diego flight prices, duration and airlines
Best One-Way Price | $39 |
|---|---|
Best Round-Trip Price | $47 |
Fastest flight time | 1h 35m |
Popular in | December |
Frequently asked questions about flying to San Diego
When is the best time to plan a beach trip to San Diego?
Beaches like La Jolla Cove are most often visited during August, as the weather is usually above 70 degrees fahrenheit with a low chance of rain. Consider visiting Mission Beach during your San Diego visit as well.
How far in advance should I book a flight to San Diego?
Most flyers found that booking tickets 53 days in advance of their planned departure date is the best time to get cheap flights to San Diego. During this timeframe, flight prices are around $382. However, in the past 72 hours, people saw flights from United States for as low as $306.
Is there an alternative airport near San Diego?
Santa Ana J. Wayne/Orange Cnty Airport, Palm Springs Airport, Long Beach Municipal Airport or Ontario Airport can be an alternative airport used for travel to San Diego.
Is there a cheaper alternative to flying into San Diego?
The cheapest airport near San Diego is typically Long Beach Municipal Airport with an average price of $315/person. These prices vary based on where travelers are coming from. It is suggested that travelers looking to save money try momondo’s Airport-to-Airport Pricing Tool.
When did momondo last update prices for flights to San Diego Airport?
Prices for flights to San Diego Airport refresh daily.
How many operators does momondo search for flights to San Diego Airport?
The number of operators available for flights to San Diego Airport is 33 as of March 2025.
How old do you have to be to fly to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to San Diego?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight to San Diego. momondo saves you time and could save you money on your trip.
Can I find flights to San Diego with flexible booking policies on momondo?
Yes. All flights to San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights to San Diego?
momondo helps you find the best flight to San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight to San Diego right now. Can momondo alert me if prices change?
Price alerts on flights to San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to San Diego
Popular flights to San Diego
Popular routes according to searches in the past day on momondo
Cheapest flight routes to San Diego
These routes have the cheapest flights to San Diego found by momondo users in United States
| Departing | Destination | Best Time | Best Price |
|---|---|---|---|
| Las Vegas | San Diego | 1h 13m | $37 |
| Oakland | San Diego | 1h 28m | $46 |
| San Francisco | San Diego | 1h 30m | $47 |
| San Jose | San Diego | 1h 22m | $62 |
| Burbank | San Diego | 3h 21m | $71 |
| Sacramento | San Diego | 1h 30m | $75 |
| Salt Lake City | San Diego | 1h 50m | $76 |
| Phoenix | San Diego | 1h 10m | $78 |
| Boise | San Diego | 2h 10m | $81 |
| Portland | San Diego | 2h 28m | $82 |
| Seattle | San Diego | 2h 44m | $85 |
| Los Angeles | San Diego | 0h 52m | $89 |
| Tucson | San Diego | 1h 20m | $97 |
| Santa Ana | San Diego | 4h 43m | $103 |
| San Antonio | San Diego | 2h 50m | $108 |
| Dallas | San Diego | 2h 55m | $108 |