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Cheap flights from Newark Airport to San Diego from £94

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAN
18 Oct — 25 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 18 September 2025.

Round-trip from

£174

One-way from

£94

Popular in

December

Cheapest in

February

Average price

£269
Alaska Airlines
  • Alaska Airlines
  • 21/10-25/10
  • Nonstop
  • 11h 33m total
  • Newark to San Diego
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Alaska Airlines
  • Alaska Airlines
  • 5/11
  • 1 total stop
  • 9h 18m total
  • Newark to San Diego
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Highest demand for flights based on searches. 8% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return 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 18 September 2025.

Tue 21/1016:39EWR - SAN
Nonstop5h 54mAlaska Airlines
Sat 25/1008:20SAN - EWR
Nonstop5h 39mAlaska Airlines
Deal found 17/9£174
Fri 17/1018:30EWR - SAN
Nonstop5h 54mUnited Airlines
Tue 21/1021:20SAN - EWR
Nonstop5h 19mUnited Airlines
Deal found 16/9£177
Tue 7/1016:45EWR - SAN
Nonstop5h 46mUnited Airlines
Tue 14/1020:08SAN - EWR
1 stop8h 07mUnited Airlines
Deal found 16/9£178
Wed 22/1005:54EWR - SAN
2 stops20h 56mMultiple Airlines
Sun 26/1016:06SAN - EWR
1 stop11h 16mMultiple Airlines
Deal found 18/9£180
Tue 21/1006:45EWR - SAN
Nonstop5h 48mUnited Airlines
Sat 25/1006:53SAN - EWR
1 stop8h 12mUnited Airlines
Deal found 16/9£181
Fri 17/1016:39EWR - SAN
Nonstop5h 54mAlaska Airlines
Tue 28/1007:00SAN - EWR
1 stop8h 55mAlaska Airlines
Deal found 16/9£185
Wed 22/1018:04EWR - SAN
1 stop17h 25mAlaska Airlines
Wed 29/1006:15SAN - EWR
1 stop9h 14mAlaska Airlines
Deal found 17/9£188
Sat 18/1006:00EWR - SAN
1 stop7h 34mDelta
Sat 25/1006:15SAN - EWR
1 stop7h 45mDelta
Deal found 17/9£188
Wed 15/1016:45EWR - SAN
Nonstop5h 46mUnited Airlines
Wed 22/1021:20SAN - EWR
Nonstop5h 19mUnited Airlines
Deal found 17/9£190
Wed 15/1006:45EWR - SAN
Nonstop5h 48mUnited Airlines
Sat 18/1006:30SAN - EWR
Nonstop5h 29mUnited Airlines
Deal found 16/9£191
Wed 22/1018:04EWR - SAN
1 stop17h 25mAlaska Airlines
Fri 24/1020:33SAN - EWR
1 stop19h 21mAlaska Airlines
Deal found 17/9£191

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 18 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

Tue 7/10

18:30-21:24

Nonstop5h 54m

San Diego

Tue 14/10

06:30-14:59

Nonstop5h 29m

£174

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 24/10

06:45-09:33

Nonstop5h 48m

San Diego

Tue 28/10

22:18-06:30

Nonstop5h 12m

£177

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Tue 21/10

16:39-19:33

Nonstop5h 54m

San Diego

Sat 25/10

10:20-05:45

1 stop16h 25m

£181

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sun 9/11

06:55-10:05

Nonstop6h 10m

San Diego

Sun 16/11

22:18-06:30

Nonstop5h 12m

£181

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Wed 10/12

15:30-18:51

Nonstop6h 21m

San Diego

Mon 15/12

21:59-15:46

1 stop14h 47m

£185

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 18/10

06:00-10:34

1 stop7h 34m

San Diego

Sat 25/10

06:15-17:00

1 stop7h 45m

£188

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 14/11

18:15-23:44

1 stop8h 29m

San Diego

Mon 17/11

22:18-06:30

Nonstop5h 12m

£188

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 5/12

16:59-22:30

1 stop8h 31m

San Diego

Mon 8/12

22:34-06:45

Nonstop5h 11m

£188

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 7/2

09:15-12:27

Nonstop6h 12m

San Diego

Mon 9/2

22:40-06:50

Nonstop5h 10m

£188

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 24/10

18:55-23:58

1 stop8h 03m

San Diego

Wed 29/10

06:15-17:45

1 stop8h 30m

£192

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 23 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 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?

Use this chart to determine the optimal time to book a return flight from Newark to San Diego. Price data was last updated on 12 September 2025.

To ensure you get the cheapest price possible for a flight from Newark Airport to San Diego, you should look to book at least 84 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 £585). Flying from Newark Airport to San Diego in July is currently the most expensive (average of £920). 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 18 September 2025.

A simple way to save on the total cost of your ticket is to fly from Newark Airport to San Diego in the morning. If you’re flexible enough to do this you can expect to save up to 61% on your trip compared to booking a flight at midday.

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 6 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 popular is this Newark Airport to San Diego flight route?

    Within the past month, 8 users have taken a look at flights from Newark to San Diego.

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

    United Airlines and Alaska Airlines can get you from Newark Airport to San Diego in just under 5h 54m. Your travel time will be generally consistent. The distance between Newark Airport and San Diego is about 2419 mi. Generally, flights for this route are direct.

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

    Consider TAP AIR PORTUGAL (80%), United Airlines (79%) or American Airlines (70%) 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 £585). Flying from Newark Airport to San Diego in July is currently the most expensive (average of £920). 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
El Cajon

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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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