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Cheap flights from Newark Airport to San Diego from £127

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAN
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Newark to San Diego

Enter your travel dates to find the best prices.

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 26 July 2026.

Thu 12/1119:29
EWR
-
SAN
Nonstop5h 54m
Alaska Airlines
Mon 30/1109:40
SAN
-
EWR
Nonstop5h 39m
Alaska Airlines
Deal found 23/7£238
Fri 13/1119:29
EWR
-
SAN
Nonstop5h 54m
Alaska Airlines
Mon 16/1108:10
SAN
-
EWR
Nonstop5h 39m
Alaska Airlines
Deal found 21/7£239
Mon 2/1119:29
EWR
-
SAN
Nonstop5h 54m
Alaska Airlines
Fri 6/1108:10
SAN
-
EWR
Nonstop5h 39m
Alaska Airlines
Deal found 21/7£239
Wed 4/1117:30
EWR
-
SAN
Nonstop5h 54m
Alaska Airlines
Mon 9/1108:10
SAN
-
EWR
Nonstop5h 39m
Alaska Airlines
Deal found 22/7£241
Sat 29/816:35
EWR
-
SAN
Nonstop5h 53m
Alaska Airlines
Tue 1/908:12
SAN
-
EWR
Nonstop5h 38m
Alaska Airlines
Deal found 21/7£242
Wed 11/1117:30
EWR
-
SAN
Nonstop5h 54m
Alaska Airlines
Mon 16/1108:10
SAN
-
EWR
Nonstop5h 39m
Alaska Airlines
Deal found 23/7£242
Sat 26/917:02
EWR
-
SAN
Nonstop5h 56m
Alaska Airlines
Wed 30/908:12
SAN
-
EWR
Nonstop5h 38m
Alaska Airlines
Deal found 23/7£245
Thu 12/1106:00
EWR
-
SAN
1 stop8h 35m
United Airlines
Sun 15/1122:20
SAN
-
EWR
Nonstop5h 11m
United Airlines
Deal found 22/7£245
Thu 24/917:02
EWR
-
SAN
Nonstop5h 56m
Alaska Airlines
Tue 29/908:12
SAN
-
EWR
Nonstop5h 38m
Alaska Airlines
Deal found 23/7£248

Find 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 26 July 2026.

Round-trip from

£238

One-way from

£127

Popular in

December

Cheapest in

January

Average price

£335
Alaska Airlines
  • Alaska Airlines
  • 12/11-30/11
  • Nonstop
  • 11h 33m total
  • Newark to San Diego
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 3/9
  • Nonstop
  • 5h 53m total
  • Newark to San Diego
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 26 July 2026.
Use the filters below to find and compare flights from Newark Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 13/11

17:41-09:53

1 stop19h 12m

San Diego

Sun 15/11

07:03-05:58

1 stop19h 55m

£253

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Wed 9/9

06:15-10:44

1 stop7h 29m

San Diego

Mon 14/9

22:30-10:27

1 stop8h 57m

£253

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 25/9

16:29-21:00

1 stop7h 31m

San Diego

Mon 28/9

22:30-10:27

1 stop8h 57m

£253

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Thu 12/11

09:40-14:11

1 stop7h 31m

San Diego

Mon 16/11

22:30-09:02

1 stop7h 32m

£253

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Mon 9/11

19:29-22:23

Nonstop5h 54m

San Diego

Wed 2/12

08:10-16:49

Nonstop5h 39m

£256

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 3/10

15:20-21:19

1 stop8h 59m

San Diego

Mon 12/10

22:00-08:45

1 stop7h 45m

£260

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 18/9

17:02-19:58

Nonstop5h 56m

San Diego

Mon 21/9

08:12-16:50

Nonstop5h 38m

£279

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Mon 24/8

19:55-22:49

Nonstop5h 54m

San Diego

Sat 29/8

22:20-06:37

Nonstop5h 17m

£301

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Wed 23/9

17:02-19:58

Nonstop5h 56m

San Diego

Sun 27/9

07:15-06:30

1 stop20h 15m

£311

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Thu 8/10

06:30-13:12

1 stop9h 42m

San Diego

Mon 19/10

17:21-06:59

1 stop10h 38m

£313

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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 return 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?

To ensure you get the cheapest price possible for a flight from Newark Airport to San Diego, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Newark Airport to San Diego (average of £255). Flying from Newark Airport to San Diego in December is currently the most expensive (average of £399). 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 26 July 2026.

When flying from Newark Airport to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Newark Airport to San Diego?

Airfare is below average for this route at the moment.

Newark Airport to San Diego flights typically cost between £243 and £400 in November.
The cheapest return price found within the last 5 days was £238 on Alaska Airlines (12 Nov–30 Nov).

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?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from Newark. On average, San Diego has 7 inbound flights from Newark per day from 0 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

    Alaska Airlines and Delta can get you from Newark Airport to San Diego in just under 7h 29m. Your travel time can differ by up to 11h 43m. The distance between Newark Airport and San Diego is about 2419 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Consider United Airlines (76%), American Airlines (75%) or Alaska Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Newark Airport to San Diego.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Newark Airport to San Diego (average of £255). Flying from Newark Airport to San Diego in December is currently the most expensive (average of £399). 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
Coronado

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Diego from Newark.

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

Certainly. Search results for flights to San Diego from Newark shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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