$169+ Cheap flights from Newark (EWR) to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAN
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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Find cheap flights from Newark to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Newark to San Diego are usually found in January or February, booked 74 days in advance, depart on a Tuesday or Saturday and return on a Saturday
Cheap flight deals from Newark to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Newark to San DiegoExplore 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 September 30, 2026.
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 September 30, 2026.
This Mytrip deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:45 pm -
2 stops13h 11m
Fri 10/304:53 pm -
2 stops25h 26m
Deal found 9/29![Frontier logo]()
$316
This Frontier deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:14 pm -
2 stops20h 44m
Sun 11/159:32 am -
2 stops22h 04m
Deal found 9/30![Frontier logo]()
$317
This Mytrip deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:14 pm -
2 stops28h 43m
Sat 11/76:25 am -
2 stops25h 22m
Deal found 9/29![Multiple Airlines logo]()
$320
This Orbitz deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:00 am -
1 stop11h 45m
Tue 12/811:14 am -
2 stops20h 34m
Deal found 9/29![Multiple Airlines logo]()
$321
This SmartFares deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:35 pm -
Nonstop6h 00m
Sat 11/76:05 pm -
1 stop9h 25m
Deal found 9/27![Alaska Airlines logo]()
$322
This Mytrip deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:14 pm -
2 stops28h 43m
Tue 11/36:25 am -
2 stops25h 11m
Deal found 9/27![Frontier logo]()
$324
This Mytrip deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:14 pm -
2 stops20h 44m
Tue 11/176:25 am -
2 stops25h 11m
Deal found 9/29![Frontier logo]()
$325
This MakeMyTrip deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:30 pm -
Nonstop6h 16m
Sat 11/148:24 am -
Nonstop5h 30m
Deal found 9/29![Alaska Airlines logo]()
$332
This Trip.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:30 pm -
Nonstop6h 16m
Wed 11/188:24 am -
Nonstop5h 30m
Deal found 9/27![Alaska Airlines logo]()
$335
Best flights from Newark to San DiegoDiscover carefully curated flight deals from Newark to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Newark to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:21 pm -
1 stop10h 13m
Tue 11/176:20 am -
1 stop8h 09m
Deal found 9/29![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:00 am -
1 stop8h 16m
Fri 1/152:30 pm -
Nonstop5h 19m
Deal found 9/28![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:00 am -
1 stop10h 32m
Thu 11/55:33 pm -
1 stop9h 57m
Deal found 9/29![Alaska Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:08 pm -
1 stop8h 25m
Thu 11/1210:20 pm -
Nonstop5h 11m
Deal found 9/29![United Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:30 am -
2 stops15h 18m
Tue 11/176:05 pm -
1 stop9h 25m
Deal found 9/26![Alaska Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:25 pm -
1 stop8h 05m
Wed 12/210:20 pm -
Nonstop5h 11m
Deal found 9/25![United Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/155:30 pm -
Nonstop5h 54m
Fri 2/1910:50 am -
1 stop16h 08m
Deal found 9/25![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
1 stop7h 20m
Sat 10/317:45 am -
2 stops13h 03m
Deal found 9/26![Delta logo]()
$475
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1711:59 am -
1 stop8h 51m
Sat 2/209:55 pm -
1 stop8h 42m
Deal found 9/26![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop7h 20m
Tue 10/2712:38 pm -
1 stop9h 20m
Deal found 9/27![Delta logo]()
$517
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
Nonstop5h 49m
Tue 10/2710:30 pm -
1 stop7h 29m
Deal found 9/25![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:55 am -
1 stop8h 10m
Mon 10/192:24 pm -
1 stop7h 06m
Deal found 9/29![United Airlines logo]()
$517
Last-minute flights from Newark to San DiegoDiscover last-minute flight deals from Newark to San Diego. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to San Diego. Data last updated September 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:45 pm -
2 stops13h 11m
Fri 10/304:53 pm -
2 stops25h 26m
Deal found 9/29![Frontier logo]()
$316
This Mytrip deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:14 pm -
2 stops28h 43m
Tue 11/36:25 am -
2 stops25h 11m
Deal found 9/27![Frontier logo]()
$324
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:14 pm -
2 stops28h 43m
Sat 10/3110:56 am -
2 stops21h 40m
Deal found 9/28![Frontier logo]()
$339
This Booking.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:14 pm -
2 stops28h 43m
Fri 10/308:32 pm -
2 stops21h 47m
Deal found 9/28![Frontier logo]()
$349
This SmartFares deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:35 pm -
Nonstop6h 00m
Sat 11/76:05 pm -
1 stop9h 25m
Deal found 9/27![Alaska Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:35 pm -
Nonstop6h 00m
Tue 11/108:24 am -
Nonstop5h 30m
Deal found 9/28![Alaska Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:35 pm -
Nonstop6h 00m
Wed 11/42:48 pm -
1 stop11h 52m
Deal found 9/29![Alaska Airlines logo]()
$347
One-way flights from Newark to San DiegoSearch for one-way flight options from Newark to San Diego. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Newark to San Diego. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:00 pm -
Nonstop6h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:35 am -
2 stops24h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:14 pm -
2 stops37h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$173
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:00 pm -
1 stop10h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$174
This Trip.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
1 stop9h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Alaska Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:14 pm -
2 stops48h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$176
This Mytrip deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:35 am -
2 stops15h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$178
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:35 pm -
1 stop9h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:10 pm -
Nonstop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![United Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:05 am -
2 stops32h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:14 pm -
2 stops28h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:35 am -
2 stops15h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$183
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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (Mytrip) |
One-way from | $169 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $437 |
Good round-trip deal | $418 or less |
Good one-way deal | $233 or less |
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 7,457,451 searches. Data last updated September 30, 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
Cheapest round-trip
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Wed 11/18
4:30 pm-7:46 pm
Nonstop6h 16m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Tue 11/17
3:00 pm-10:27 pm
1 stop10h 27m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$174
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Tue 10/27
4:00 pm-7:09 pm
Nonstop6h 09m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$209
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Wed 12/16
6:00 am-11:20 am
1 stop8h 20m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
Quickest round-trip
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Tue 10/20
7:25 pm-10:19 pm
Nonstop5h 54m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Wed 11/18
7:00 am-10:10 am
Nonstop6h 10m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Fri 11/20
3:29 pm-6:41 pm
Nonstop6h 12m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Sat 11/21
6:10 pm-9:22 pm
Nonstop6h 12m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Mon 11/23
4:00 pm-7:09 pm
Nonstop6h 09m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$254
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Thu 10/15
6:00 am-11:13 am
1 stop8h 13m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$259
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Newark to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to San Diego in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Newark Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Newark Airport-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
EWR-SAN
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
Prices
More
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 58 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 $342). Flying from Newark Airport to San Diego in December is currently the most expensive (average of $539). 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 September 30, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from Newark Airport to San Diego by exploring options for tickets at noon.
What’s the top layover airport for flights from Newark Airport to San Diego?
Share of 1-stop round-trip flights from Newark Airport to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 67% of 1-stop itineraries from Newark Airport to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Newark Airport to San Diego?
Average round-trip fare for 1-stop flights from Newark Airport to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of $374.
What’s the fastest layover option from Newark Airport to San Diego?
Shortest average travel time for 1-stop one-way flights from Newark Airport to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 8h 21m.
Which airport typically offers the quickest layover for flights from Newark Airport to San Diego?
Average layover duration for 1-stop one-way flights from Newark Airport to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 55m.
The best insider tips for Newark Airport to San Diego flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to San Diego trip
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Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated September 30, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Newark Airport to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
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La Mesa
Julian
Santee
Lemon Grove
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Top 4 airlines flying from Newark to San Diego
Discover the top 4 airlines that operate flights from Newark to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$214 | Average$426 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$235 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$489 | FlexibilityNo cancel fee | On-time71% |