$52 Cheap Flights from Newark Liberty Intl. Airport (EWR) to San Diego (SAN)

View $52 flight on Wed, May 28, 2025Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)

Find available prices by choosing your travel dates.

Cheap Flights from Newark Liberty Intl. Airport to San Diego (EWR-SAN)

Prices were available within the past 7 days and start at $52 for one-way flights and $122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, May 28 - Tue, Jun 3
EWR
New York
SAN
San Diego
$122 Roundtrip, found 3 hours ago
$122
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, May 28 from New York to San Diego, returning Tue, Jun 3, priced at $122 found 3 hours ago
Spirit Airlines
Wed, May 21 - Wed, May 28
EWR
New York
SAN
San Diego
$141 Roundtrip, found 1 hour ago
$141
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, May 21 from New York to San Diego, returning Wed, May 28, priced at $141 found 1 hour ago
Spirit Airlines
Wed, May 21 - Wed, May 28
EWR
New York
SAN
San Diego
$158 Roundtrip, found 1 hour ago
$158
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, May 21 from New York to San Diego, returning Wed, May 28, priced at $158 found 1 hour ago
Spirit Airlines
Wed, May 28 - Wed, Jun 11
EWR
New York
SAN
San Diego
$166 Roundtrip, found 1 hour ago
$166
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, May 28 from New York to San Diego, returning Wed, Jun 11, priced at $166 found 1 hour ago
Spirit Airlines
Tue, Jun 3 - Wed, Jun 11
EWR
New York
SAN
San Diego
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Tue, Jun 3 from New York to San Diego, returning Wed, Jun 11, priced at $180 found 3 hours ago
Spirit Airlines
Tue, May 27 - Wed, May 28
EWR
New York
SAN
San Diego
$183 Roundtrip, found 5 hours ago
$183
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Tue, May 27 from New York to San Diego, returning Wed, May 28, priced at $183 found 5 hours ago
Alaska Airlines
Wed, May 21 - Wed, May 28
EWR
New York
SAN
San Diego
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, May 21 from New York to San Diego, returning Wed, May 28, priced at $199 found 1 hour ago
United
Sat, May 17 - Sat, May 31
EWR
New York
SAN
San Diego
$257 Roundtrip, just found
$257
Roundtrip
just found
Select United flight, departing Sat, May 17 from New York to San Diego, returning Sat, May 31, priced at $257 just found
American Airlines
Sat, Jun 7 - Sat, Jun 14
EWR
New York
CLD
Carlsbad
$277 Roundtrip, found 2 hours ago
$277
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Jun 7 from New York to Carlsbad, returning Sat, Jun 14, priced at $277 found 2 hours ago
Delta
Sat, May 24 - Sat, May 31
EWR
New York
SAN
San Diego
$277 Roundtrip, just found
$277
Roundtrip
just found
Select Delta flight, departing Sat, May 24 from New York to San Diego, returning Sat, May 31, priced at $277 just found
Flights from Newark Liberty Intl. Airport (EWR) to San Diego (SAN)
Origin airport
Newark Liberty Intl. Airport
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$122
Distance
2420 mi

Newark Liberty Intl. Airport to San Diego Flights

The cheapest times to fly from Newark Liberty Intl. Airport to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to San Diego are during the month of May. You can find some of the cheapest flights from Newark Liberty Intl. Airport to San Diego with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Newark Liberty Intl. Airport to San Diego

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $52 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN) cost?
You’ll find cheap return tickets from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN) starting at $252. Reserve your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving EWR on May 21 2025 and touching down at SAN. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from EWR to SAN?
The cheapest flights from EWR to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)?
Board a direct flight with United Airlines and journey straight from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN).
What is the cheapest airline that flies from EWR to SAN?
Take off from EWR to SAN with Alaska Airlines. This airline currently has the cheapest one-way ticket on this route, starting from $129. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from EWR on June 11 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)?
When taking off from Liberty Intl. Airport (EWR), you can pick from an average of 3 daily direct flights to San Diego Intl. Airport (SAN).
What are the most popular departure times for flights from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)?
Flights between EWR and SAN are their busiest at 5 PM. For a more relaxed experience and potentially cheaper prices, look for a departure that’s outside typical rush times.
What day of the week has the most flights from EWR to SAN?
Travel on a Friday if you’re searching for the largest selection of flights from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN).
What is the earliest flight from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)?
Hop on the earliest flight at around 7:08AM UTC-5, heading out of Liberty Intl. Airport (EWR). You’ll be flying for approximately 6h 12m, touching down at San Diego Intl. Airport (SAN) at approximately 10:20AM UTC-8.
How long does it take to fly from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)?
Flights from EWR to SAN have an average travel time of 6 hours and 10 minutes. The distance between the two airports is 2,400 mi.
What airline has the least delays from EWR to SAN?
With 88% of journeys generally landing on schedule, American Airlines has the best on-time performance for direct flights from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN). To monitor your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)?
Book a flight from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for San Diego from Liberty Intl. Airport (EWR)?
Compare your flight options from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN). This is the only San Diego airport you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN) last-minute?
Booking your plane ticket from EWR to SAN right before your journey is usually more expensive. But if you’re flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an EWR to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking an EWR to SAN flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one easy place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to San Diego Intl. Airport (SAN)?
If you reserved your EWR to SAN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.