Cheap flights from San Diego to the United States from $31
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to the United States departing on 6/21. 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.
Save money when you book flights 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 San Diego to the United States
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from San Diego to United States
Our best United Airlines deals on San Diego to United States flight tickets
Frontier flights from San Diego to United States
Our best Frontier deals on San Diego to United States flight tickets
See travel insights to the United States from
How to get the cheapest flight ticket from San Diego to United States
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 United States?
In general, January is the cheapest month to fly from San Diego to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. If you aren’t able to travel during the month of January, then book flights to United States from San Diego during February instead. Flights to United States in February, while not as cheap as those in January, still average around $294.
What is the cheapest day to depart on your flight to United States?
According to our data, Thursday is the cheapest day to fly to United States from San Diego. The lowest ticket price found for a Thursday departure recently was $391. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $490. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.
What is the cheapest time of day to depart on your flight to United States?
The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $375. Try not to purchase tickets in the morning because they tend to be around $451. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest San Diego to United States flight route?
Fly from San Diego to San Francisco for the best San Diego - United States flight prices
How far in advance should I book a flight to United States?
You are more likely to see cheaper flights to United States from San Diego when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to United States for around $335 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from San Diego for as low as $292 on momondo.
What cabin class options are available on San Diego to United States flights?
There are 4 cabin classes available to choose from on San Diego to United States 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 San Diego to United States?
Frontier, Spirit Airlines, and Hawaiian Airlines are the most popular carriers operating from San Diego to United States
What airlines fly to United States?
Frontier, Alaska Airlines and Delta are the top three most popular airlines that fly to United States from San Diego according to our data. Frontier is the first choice among our users, with 45% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 12 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Diego to United States on average per day?
257 flights are operational daily from San Diego to United States as of April 2025. The most popular departure time for this route is 6:00AM, with 47% of flights per day taking off at noon.
How many flights depart from San Diego to United States on average per week?
1,802 flights are operational weekly from San Diego to United States as of April 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.
Cheap San Diego to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to United States
Best Price Found | $31 |
|---|---|
Fastest flight time | 1h 18m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in United States | 6 airports |
When did momondo last update prices for flights from San Diego Airport to United States?
Prices for flights from San Diego Airport to United States are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to United States?
As of April 2025, there are 10 operators available to choose from for flights from San Diego Airport to United States.
How old do you have to be to fly from San Diego Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to United States.
What documentation or ID do you need to fly to United States?
The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Diego to United States?
momondo data reveals that the most frequently booked plane model on the route from San Diego to United States is Boeing 737 MAX 8, representing 12.37% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 9.96%, Airbus A320neo at 9.00%, and Boeing 737 MAX 9 at 8.22%.
Best airlines flying from San Diego to United States
Compare and see reviews for airlines that fly from San Diego to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $27 | Free Cancellation | Rating 6.3 7,942 reviews | |||
| PriceFrom $28 | Free Cancellation | Rating 7.9 2,393 reviews | |||
| PriceFrom $37 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $57 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $62 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $73 | Free Cancellation | Rating 8.0 9,928 reviews | |||
| PriceFrom $96 | Free Cancellation | Rating 8.0 4,286 reviews | |||
| PriceFrom $113 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $123 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom $180 | Free Cancellation | Rating 0.0 |
Why use momondo?
Why should I use momondo to find a flight deal from San Diego to United States?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to United States. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Diego to United States with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for San Diego to United States flights to just show those with flexible booking policies.
How can momondo help me find flights from San Diego to United States?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United States from San Diego.
I’m not ready to book a flight from San Diego to United States right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Diego to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.