Cheap flights from Trenton to San Diego (TTN - SAN)

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How to find the cheapest flight from
Trenton (TTN) to San Diego (SAN)

All the information you need to plan the best TTN to SAN flight in 2021: compare Trenton to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
What is the cheapest month to fly from Trenton, New Jersey to San Diego?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to San Diego. Flights to San Diego from Trenton, New Jersey in August are about $326 on average during August, but can be found for as low as $138.

When is the cheapest time to fly from Trenton, New Jersey to San Diego (TTN - SAN)?

It’s optimal to fly from Trenton, New Jersey to San Diego in the afternoon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly round-trip from Trenton, New Jersey to San Diego?

Travelers have found that booking a Monday departure is the best way to save up to 33% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Trenton, New Jersey to San Diego?

To save up to 42% on this flight, we recommend booking at least 35 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Trenton, New Jersey to San Diego from $381 1-2 weeks out and tickets from $460 for flights departing within the next 72 hours.

Cheap flights from Trenton to San Diego in October, November 2021

The best prices found for TTN to SAN flights for October, November
29 Oct - 31 Oct
$339pp
TTN
Trenton Trenton-Mercer
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
TTN
Trenton Trenton-Mercer
29 Oct - 31 Oct
$385pp
TTN
Trenton Trenton-Mercer
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
 
1 STOP
TTN
Trenton Trenton-Mercer
29 Oct - 31 Oct
$430pp
TTN
Trenton Trenton-Mercer
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Frontier
     
3 STOPS
TTN
Trenton Trenton-Mercer

Trenton Trenton-Mercer to San Diego 2021 flight deals

Cheap flights to San Diego from Trenton found for this year
7 Dec - 16 Dec
$315pp
TTN
Trenton Trenton-Mercer
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
TTN
Trenton Trenton-Mercer
29 Oct - 31 Oct
$339pp
TTN
Trenton Trenton-Mercer
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
TTN
Trenton Trenton-Mercer
7 Dec - 16 Dec
$365pp
TTN
Trenton Trenton-Mercer
Multiple Airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
TTN
Trenton Trenton-Mercer

One-way flights to San Diego from Trenton

The cheapest one-way flights from Trenton to San Diego
2:20 am - 2:14 am
Frontier
3 Stops
26h 54m
TTN - SAN
Frontier
$305
FlightHub
2:20 am - 2:14 am
Frontier
3 Stops
26h 54m
TTN - SAN
Frontier
$311
Hotwire
2:00 am - 1:47 pm
Multiple Airlines
3 Stops
38h 47m
TTN - SAN
Multiple Airlines
$612
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Trenton</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Trenton to San Diego

Which airlines flying from Trenton Trenton-Mercer to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Frontier, and Delta flying from Trenton Trenton-Mercer to San Diego have implemented new flexible cancellation policies.

Can I find flights from Trenton, New Jersey to San Diego for under $400 on Cheapflights?

Yes, there are multiple flights from Trenton, New Jersey to San Diego for under $400. The cheapest flight booked recently is on Multiple Airlines for just $315, but on average you can expect to pay $743.

What are the most popular airlines that fly from Trenton, New Jersey to San Diego?

The most popular airlines flying from Trenton, New Jersey to San Diego are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from Trenton?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Trenton Trenton-Mercer need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Trenton Trenton-Mercer must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Diego.

Quarantine requirements
Visitors from Trenton Trenton-Mercer are not required to quarantine after entering San Diego.

Do I need a test to fly back to Trenton from San Diego?

Returning to Trenton Trenton-Mercer from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Trenton Trenton-Mercer.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Trenton Trenton-Mercer.

Hide COVID Travel Restrictions for San Diego, CA

Alternative routes for Trenton to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Trenton to San Diego.
Average temperature for October in San Diego
77.0 °F
Avg rainfall for October in San Diego
0.6 ″

Airports servicing Trenton

Airports servicing San Diego

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