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Cheap flights from Newark Airport to San Diego from C$ 177

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAN
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Newark to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 315

One-way from

C$ 177

Popular in

December

Cheapest in

February

Average price

C$ 522
United Airlines
  • United Airlines
  • 25/9-28/9
  • Nonstop
  • 11h 13m total
  • Newark to San Diego
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Alaska Airlines
  • Alaska Airlines
  • 9/12
  • 1 total stop
  • 11h 39m total
  • Newark to San Diego
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Highest demand for flights based on searches. 8% potential increase in price (C$ 75 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Newark to San Diego

Cheapest flights from Newark to San Diego
Explore the most affordable flight options available from Newark to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 25/94:45 p.m.EWR - SAN
Nonstop5h 46mUnited Airlines
Sun 28/910:30 p.m.SAN - EWR
Nonstop5h 19mUnited Airlines
Deal found 11/9C$ 315
Sat 27/96:45 a.m.EWR - SAN
Nonstop5h 48mUnited Airlines
Sat 4/106:30 a.m.SAN - EWR
Nonstop5h 29mUnited Airlines
Deal found 11/9C$ 321
Thu 25/96:30 p.m.EWR - SAN
Nonstop5h 54mUnited Airlines
Tue 30/98:08 p.m.SAN - EWR
1 stop8h 07mUnited Airlines
Deal found 11/9C$ 323
Thu 25/96:45 a.m.EWR - SAN
Nonstop5h 48mUnited Airlines
Sat 4/108:08 p.m.SAN - EWR
1 stop8h 07mUnited Airlines
Deal found 11/9C$ 330
Wed 22/104:39 p.m.EWR - SAN
Nonstop5h 54mHawaiian Airlines
Fri 24/108:20 a.m.SAN - EWR
Nonstop5h 39mHawaiian Airlines
Deal found 11/9C$ 335
Wed 1/106:45 a.m.EWR - SAN
Nonstop5h 48mUnited Airlines
Wed 8/108:08 p.m.SAN - EWR
1 stop8h 07mUnited Airlines
Deal found 9/9C$ 337
Thu 2/106:30 p.m.EWR - SAN
Nonstop5h 54mUnited Airlines
Mon 6/1010:30 p.m.SAN - EWR
Nonstop5h 19mUnited Airlines
Deal found 11/9C$ 342
Thu 2/106:30 p.m.EWR - SAN
Nonstop5h 54mUnited Airlines
Sat 11/108:08 p.m.SAN - EWR
1 stop8h 07mUnited Airlines
Deal found 9/9C$ 344
Fri 24/106:30 p.m.EWR - SAN
Nonstop5h 54mUnited Airlines
Tue 28/1011:02 a.m.SAN - EWR
1 stop7h 18mUnited Airlines
Deal found 11/9C$ 349
Tue 28/107:30 a.m.EWR - SAN
1 stop12h 23mAlaska Airlines
Wed 5/116:15 a.m.SAN - EWR
1 stop9h 14mAlaska Airlines
Deal found 11/9C$ 355

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Newark Airport to San Diego that are best for you.

Fly from

Newark

Fly to

San Diego

Route

Depart

Return

Price

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Thu 25/9

6:30 p.m.-9:24 p.m.

Nonstop5h 54m

San Diego

Sat 4/10

6:30 a.m.-2:59 p.m.

Nonstop5h 29m

C$ 321

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 24/10

6:45 a.m.-9:33 a.m.

Nonstop5h 48m

San Diego

Sat 1/11

10:18 p.m.-6:30 a.m.

Nonstop5h 12m

C$ 335

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Wed 22/10

6:04 p.m.-8:29 a.m.

1 stop17h 25m

San Diego

Fri 24/10

8:20 a.m.-4:59 p.m.

Nonstop5h 39m

C$ 349

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Tue 11/11

6:15 p.m.-11:44 p.m.

1 stop8h 29m

San Diego

Mon 17/11

10:18 p.m.-6:30 a.m.

Nonstop5h 12m

C$ 349

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 1/11

6:55 a.m.-10:05 a.m.

Nonstop6h 10m

San Diego

Sun 2/11

8:40 p.m.-7:00 a.m.

1 stop7h 20m

C$ 349

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Wed 12/11

7:05 a.m.-1:23 p.m.

1 stop9h 18m

San Diego

Tue 18/11

3:43 p.m.-5:59 a.m.

1 stop11h 16m

C$ 355

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Tue 4/11

3:00 p.m.-8:34 p.m.

1 stop8h 34m

San Diego

Sat 8/11

6:25 a.m.-5:57 p.m.

1 stop8h 32m

C$ 356

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 14/11

2:14 p.m.-8:05 p.m.

1 stop8h 51m

San Diego

Sun 16/11

10:18 p.m.-6:30 a.m.

Nonstop5h 12m

C$ 356

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 31/10

9:30 a.m.-12:40 p.m.

Nonstop6h 10m

San Diego

Sun 2/11

8:40 p.m.-7:00 a.m.

1 stop7h 20m

C$ 356

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 8/11

12:55 p.m.-6:00 p.m.

1 stop8h 05m

San Diego

Fri 14/11

11:30 a.m.-11:17 p.m.

1 stop8h 47m

C$ 363

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 22 results
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Best time to book a flight from Newark to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Newark with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to San Diego

How far ahead should I book a flight from Newark Airport to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Newark to San Diego. Price data was last updated on 29 August 2025.

The price you pay for your flight from Newark Airport to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Newark Airport to San Diego?

Currently, May is the cheapest month in which you can book a flight from Newark Airport to San Diego (average of C$ 289). Flying from Newark Airport to San Diego in November is currently the most expensive (average of C$ 390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EWR to SAN?

Find hourly flight availability from Newark to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to San Diego as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Newark to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Newark?

    San Diego (SAN) is the airport you will fly into if you book a flight from Newark to San Diego. You should not have trouble finding flights to San Diego from Newark; the airport handles an average of 5 inbound flights from Newark per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the San Diego airport from Newark. It is only a 4.2 km journey from San Diego (SAN) to San Diego’s city centre.

  • How popular is this Newark Airport to San Diego flight route?

    Flights from Newark to San Diego have been viewed 10 times in the past calendar month.

  • How long is the flight from Newark Airport to San Diego?

    Departing from Newark Airport to San Diego will take you 5h 54m. Newark Airport and San Diego are separated by a distance of 3893 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Newark Airport to San Diego?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Newark Airport to San Diego on time: United Airlines (77%), TAP AIR PORTUGAL (67%), American Airlines (65%).

  • Can I find deals for flights from Newark to San Diego that include hotel bookings?

    Yes. In addition to deals on Newark to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to San Diego.

  • Can I find deals for business class flights from Newark to San Diego?

    Yes. Cheapflights offers flight deals from Newark to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Newark Airport to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Newark Airport to San Diego (average of C$ 289). Flying from Newark Airport to San Diego in November is currently the most expensive (average of C$ 390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Borrego Springs
El Cajon

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Why should you use Cheapflights to find cheap flight tickets from Newark to San Diego?

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Can Cheapflights find flights from Newark to San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Newark to San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Newark to San Diego become cheaper?

Yes, Cheapflights offers price alerts on Newark to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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