$423+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SAN
May 17 — May 241
1 adult, Economy
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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
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 May 12, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $423 (flugladen.de) |
Popular in | December |
Cheapest in | September |
Average price | $371 |
Find flight deals from Trenton to San Diego
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 May 12, 2025.
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 May 12, 2025.
This flugladen.de deal was found by Cheapflights users on 5/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/257:51 pmTTN - SAN
2 stops25h 15mFrontier
Wed 7/26:51 pmSAN - TTN
2 stops34h 53mFrontier
Deal found 5/11![Frontier logo]()
$423
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 2,558,603 searches. Data last updated May 12, 2025.
Use the filters below to find and compare flights from Trenton to San Diego that are best for you.
Fly from
Trenton
Fly to
San Diego
Route
Depart
Return
Price
TrentonSan Diego
TTN - SAN
TTNSAN
Trenton-Mercer
Wed 6/25
7:51 pm-6:06 pm
2 stops25h 15m
San Diego
Wed 7/2
6:51 pm-8:44 am
2 stops34h 53m
$423
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | 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 Expedia the most. Expedia 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.
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 Trenton to San Diego
What is the cheapest month to book a flight from Trenton, New Jersey to San Diego?
Currently, August is the cheapest month in which you can book a flight from Trenton, New Jersey to San Diego (average of $286). Flying from Trenton, New Jersey to San Diego in March is currently the most expensive (average of $366). 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.
Rainfall in San Diego by month
Plan your trip to San Diego by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.
Temperature in San Diego by month
Plan your trip to San Diego by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
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 May 12, 2025.
Crew
6.8
Overall
6.0
Entertainment
4.6
Boarding
6.2
Comfort
5.6
Food
4.8
Reviews
1 / 20
2.0
MediocreDerrick,May 2025
BWI - MCO
Crew
6.8
Overall
6.0
Entertainment
4.6
Boarding
6.2
Comfort
5.6
Food
4.8
Reviews
1 / 20
2.0
MediocreDerrick,May 2025
BWI - MCO
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.
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