Cheap flights from the United States to San Diego from $29
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to San Diego departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from United States to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
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 $331.
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 $374. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $466. 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 $379. Flights at noon are often more expensive with an average ticket price of $552.
What is the cheapest United States to San Diego flight route?
Fly from Las Vegas Harry Reid Intl to San Diego for the best United States - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from United States when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $363 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from United States for as low as $310 on momondo.
What cabin class options are available on United States to San Diego flights?
There are 4 cabin classes available to choose from on United States to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United States to San Diego?
Southwest, Spirit Airlines, and Hawaiian Airlines are the most popular carriers operating from United States to San Diego
What airlines fly to San Diego?
Frontier, Alaska Airlines and United Airlines are the top three most popular airlines that fly to San Diego from United States according to our data. Frontier is the first choice among our users, with 33% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 11 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to San Diego on average per day?
275 flights are operational daily from United States to San Diego as of June 2025. The most popular departure time for this route is 6:00PM, with 38% of flights per day taking off in the evening.
How many flights depart from United States to San Diego on average per week?
The number of flights available between United States and San Diego is 1,930 per week as of June 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.
Cheap United States to San Diego flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to San Diego
When did momondo last update prices for flights from United States to San Diego Airport?
Prices for flights from United States to San Diego Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United States to San Diego Airport?
As of June 2025, there are 10 operators available to choose from for flights from United States to San Diego Airport.
How old do you have to be to fly from United States 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 from United States to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to San Diego?
momondo data reveals that the most frequently booked plane model on the route from United States to San Diego is Boeing 737-800 Passenger/BBJ2 (winglets), representing 10.86% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 10.10%, Boeing 737 MAX 8 at 9.24%, and Airbus A321neo at 8.53%.
Best airlines flying from United States to San Diego
Compare and see reviews for airlines that fly from United States to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $28 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $31 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $37 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $57 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $64 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $68 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $85 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $142 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $153 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $162 | Free Cancellation | Rating 7.2 10,000 reviews |
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 from United States to San Diego?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to San Diego. momondo saves you time and could save you money on your trip.
Can I find flights from United States to San Diego with flexible booking policies on momondo?
Flights from United States to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from United States to San Diego?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to San Diego.
I’m not ready to book a flight from United States to San Diego right now. Can momondo alert me if prices change?
Yes. momondo can track prices for United States to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.