$179+ Cheap flights from Trenton, NJ to San Diego (TTN - 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SAN
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Trenton 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.Cheap flight deals from Trenton to San Diego
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Best
Last-minute
One-way
Cheapest flights from Trenton to San DiegoExplore the most affordable flight options available from Trenton to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Trenton to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This WAYA deal was found by Cheapflights users on 10/21. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:03 am -
1 stop26h 15m
Wed 12/92:21 pm -
1 stop17h 54m
Deal found 10/21![Multiple Airlines logo]()
$360
This WAYA deal was found by Cheapflights users on 10/23. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:03 am -
1 stop12h 08m
Sat 12/122:21 pm -
1 stop17h 54m
Deal found 10/23![Multiple Airlines logo]()
$478
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:03 am -
1 stop26h 15m
Wed 12/92:21 pm -
1 stop17h 54m
Deal found 10/22![Multiple Airlines logo]()
$482
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:26 pm -
1 stop16h 44m
Mon 12/289:05 pm -
1 stop10h 56m
Deal found 10/22![Multiple Airlines logo]()
$487
This WAYA deal was found by Cheapflights users on 10/23. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:03 am -
1 stop26h 15m
Mon 12/1411:10 am -
1 stop20h 08m
Deal found 10/23![Multiple Airlines logo]()
$528
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:03 am -
1 stop26h 15m
Wed 12/162:21 pm -
1 stop17h 24m
Deal found 10/22![Multiple Airlines logo]()
$563
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:01 pm -
1 stop16h 34m
Sun 11/159:25 pm -
1 stop18h 50m
Deal found 10/22![Multiple Airlines logo]()
$598
Best flights from Trenton to San DiegoDiscover carefully curated flight deals from Trenton to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Trenton to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This WAYA deal was found by Cheapflights users on 10/24. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:03 am -
1 stop12h 08m
Wed 12/92:21 pm -
1 stop17h 54m
Deal found 10/24![Multiple Airlines logo]()
$375
This WAYA deal was found by Cheapflights users on 10/23. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:03 am -
1 stop26h 15m
Wed 12/92:21 pm -
1 stop17h 54m
Deal found 10/23![Multiple Airlines logo]()
$482
This WAYA deal was found by Cheapflights users on 10/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:03 am -
1 stop12h 08m
Sat 12/122:21 pm -
1 stop17h 54m
Deal found 10/25![Multiple Airlines logo]()
$522
This WAYA deal was found by Cheapflights users on 10/23. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:03 am -
1 stop26h 15m
Mon 12/1411:10 am -
1 stop20h 08m
Deal found 10/23![Multiple Airlines logo]()
$528
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:03 am -
1 stop26h 15m
Wed 12/162:21 pm -
1 stop17h 24m
Deal found 10/22![Multiple Airlines logo]()
$563
This WAYA deal was found by Cheapflights users on 10/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:03 am -
1 stop26h 15m
Mon 12/711:10 am -
1 stop20h 08m
Deal found 10/20![Multiple Airlines logo]()
$627
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:46 am -
1 stop10h 39m
Mon 12/219:05 pm -
1 stop10h 56m
Deal found 10/22![Multiple Airlines logo]()
$653
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:03 pm -
1 stop17h 57m
Sun 11/299:25 pm -
1 stop10h 09m
Deal found 10/22![Multiple Airlines logo]()
$671
This WAYA deal was found by Cheapflights users on 10/23. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:46 am -
1 stop10h 39m
Mon 12/289:05 pm -
1 stop10h 56m
Deal found 10/23![Multiple Airlines logo]()
$672
Last-minute flights from Trenton to San DiegoDiscover last-minute flight deals from Trenton to San Diego. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to San Diego. Data last updated October 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Sun 11/88:01 pm -
3 stops26h 34m
Thu 11/126:01 pm -
2 stops22h 14m
Deal found 10/24![Multiple Airlines logo]()
$619
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:01 pm -
1 stop16h 34m
Sun 11/159:25 pm -
1 stop18h 50m
Deal found 10/22![Multiple Airlines logo]()
$598
This WAYA deal was found by Cheapflights users on 10/24. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:01 pm -
1 stop16h 34m
Sat 11/219:25 pm -
1 stop10h 09m
Deal found 10/24![Multiple Airlines logo]()
$703
This WAYA deal was found by Cheapflights users on 10/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:01 pm -
1 stop16h 34m
Fri 11/209:25 pm -
1 stop10h 09m
Deal found 10/20![Multiple Airlines logo]()
$730
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:19 am -
1 stop10h 35m
Mon 11/239:25 pm -
1 stop10h 09m
Deal found 10/22![Multiple Airlines logo]()
$685
This WAYA deal was found by Cheapflights users on 10/24. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:19 am -
1 stop10h 35m
Mon 11/309:25 pm -
1 stop9h 48m
Deal found 10/24![Multiple Airlines logo]()
$750
This WAYA deal was found by Cheapflights users on 10/24. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:03 pm -
1 stop17h 57m
Mon 11/309:25 pm -
1 stop9h 48m
Deal found 10/24![Multiple Airlines logo]()
$661
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:03 pm -
1 stop17h 57m
Sun 11/299:25 pm -
1 stop10h 09m
Deal found 10/22![Multiple Airlines logo]()
$671
This Frontier deal was found by Cheapflights users on 10/23. 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.
Mon 11/309:52 pm -
2 stops15h 29m
Wed 12/212:32 pm -
2 stops18h 41m
Deal found 10/23![Frontier logo]()
$692
One-way flights from Trenton to San DiegoSearch for one-way flight options from Trenton to San Diego. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Trenton to San Diego. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This WAYA deal was found by Cheapflights users on 10/21. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:01 pm -
1 stop16h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$179
This Mytrip deal was found by Cheapflights users on 10/23. 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 12/198:26 pm -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$191
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:03 am -
1 stop26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$203
This WAYA deal was found by Cheapflights users on 10/23. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:26 pm -
1 stop16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$205
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:55 am -
1 stop25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$209
This WAYA deal was found by Cheapflights users on 10/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:03 am -
1 stop26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$300
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Fri 11/68:01 pm -
2 stops22h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$307
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Sun 11/229:52 pm -
2 stops21h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$321
This Frontier deal was found by Cheapflights users on 10/22. 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.
Tue 12/811:03 am -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$339
This Frontier deal was found by Cheapflights users on 10/22. 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.
Thu 12/1011:03 am -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$360
This Frontier deal was found by Cheapflights users on 10/20. 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.
Sun 11/158:01 pm -
2 stops22h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$366
Find flight deals from Trenton to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $360 (WAYA) |
One-way from | $179 (WAYA) |
Popular in | December |
Cheapest in | January |
Average price | $509 |
Cheapflights Fare Finder
Customize your flight search to find flights from Trenton 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 October 25, 2026.
Use the filters below to find and compare flights from Trenton to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Mon 11/16
8:01 pm-9:35 am
1 stop16h 34m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Sat 12/12
11:03 am-10:18 am
1 stop26h 15m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$203
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Sun 11/22
11:55 am-10:00 am
1 stop25h 05m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$209
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Sat 12/19
8:26 pm-10:10 am
1 stop16h 44m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$265
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Thu 12/10
11:03 am-10:18 am
1 stop26h 15m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$300
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Fri 11/6
8:01 pm-3:58 pm
2 stops22h 57m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$307
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Sun 11/22
9:52 pm-4:34 pm
2 stops21h 42m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$321
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Thu 12/10
11:03 am-11:58 pm
2 stops15h 55m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$360
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Sun 11/15
8:01 pm-3:57 pm
2 stops22h 56m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$366
Quickest round-trip
TrentonSan Diego
TTN Trenton-Mercer - SAN San Diego
TTNSAN
Trenton-Mercer
Tue 12/22
11:46 am-7:25 pm
1 stop10h 39m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$369
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Trenton 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 Trenton to San Diego in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Trenton, New Jersey-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trenton, New Jersey-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Trenton, New Jersey-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 Trenton, New Jersey-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 Trenton to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Trenton with our price prediction graph.
TTN-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.
Related info for your journey
Find useful and relevant information for your journey from Trenton 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
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San Ysidro
Poway
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La Mesa
Julian
Santee
Lemon Grove
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