Which airports can I use when flying from Trenton to San Diego?

Flights from Trenton to San Diego usually depart from Trenton-Mercer (TTN) and arrive at San Diego (SAN).

Which airports do connecting flights from Trenton to San Diego pass through?

Most connecting flights from Trenton to San Diego pass through Philadelphia (PHL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

What popular places can I visit in San Diego?

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Do I need a passport to fly from Trenton to San Diego?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Trenton to San Diego changed much recently?

Based on fares seen in the past 5 days, round-trip prices on this route were fairly steady, ranging from about $931 to $1,003. The highest observed fare was only about 7% higher than the lowest one.

How are flight prices from Trenton to San Diego looking right now?

One-way fares from Trenton to San Diego are currently in line with typical prices for this route. Average one-way fares are about $484.

What is the time difference between Trenton and San Diego?

San Diego is 3 hours behind Trenton (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at San Diego Airport (SAN)?

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include: • Dollar • Payless • Europcar • Thrifty • Fox

What is the cheapest layover airport when flying from Trenton to San Diego?

Flights via Philadelphia (PHL) offer the most affordable fares, with an average round-trip price of $464. Based on KAYAK data over the past 3 months.

When flying from Trenton to San Diego which airport offers the shortest layover?

Philadelphia (PHL) had the shortest average connection time for Trenton to San Diego layovers at 317 minutes over the past 3 months.

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Typical prices: $398-$486

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

Discover the best prices for you by selecting your travel dates on KAYAK.

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Recent round-trip flight deals from Trenton to San Diego

Thu, Mar 4 - Mon, Mar 8

11:59 am - 11:58 pmTTN Trenton-Mercer-SAN San Diego

14h 59m2 stops Orlando Denver Intl

8:37 pm - 11:01 amSAN San Diego-TTN Trenton-Mercer

11h 24m2 stops Las Vegas Harry Reid Intl Orlando

$931Frontier

Thu, Jan 21 - Sat, Jan 30

11:59 am - 11:58 pmTTN Trenton-Mercer-SAN San Diego

14h 59m2 stops Orlando Denver Intl

5:26 pm - 11:01 amSAN San Diego-TTN Trenton-Mercer

14h 35m2 stops Denver Intl Orlando

$1,002Frontier

Sun, Jan 10 - Sat, Jan 16

11:59 am - 11:58 pmTTN Trenton-Mercer-SAN San Diego

14h 59m2 stops Orlando Denver Intl

5:26 pm - 11:01 amSAN San Diego-TTN Trenton-Mercer

14h 35m2 stops Denver Intl Orlando

$1,003Frontier

Booking Insights

Price, demand and travel trends for Trenton to San Diego flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Trenton to San Diego with more confidence.

Airlines

Layovers

What is the cheapest airline to fly from Trenton to San Diego?

Frontier ($931) offered the cheapest round-trip ticket from Trenton to San Diego in the last 5 days.

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Cheapest flight	$206

Flight from Trenton to San Diego

When to book flights from Trenton to San Diego

Are your dates flexible? Find out the best times to travel from Trenton to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Trenton to San Diego?
Flights from Trenton to San Diego usually depart from Trenton-Mercer (TTN) and arrive at San Diego (SAN).
Which airports do connecting flights from Trenton to San Diego pass through?
Most connecting flights from Trenton to San Diego pass through Philadelphia (PHL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
What popular places can I visit in San Diego?
Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.
Do I need a passport to fly from Trenton to San Diego?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Trenton to San Diego changed much recently?
Based on fares seen in the past 5 days, round-trip prices on this route were fairly steady, ranging from about $931 to $1,003. The highest observed fare was only about 7% higher than the lowest one.
How are flight prices from Trenton to San Diego looking right now?
One-way fares from Trenton to San Diego are currently in line with typical prices for this route. Average one-way fares are about $484.
What is the time difference between Trenton and San Diego?
San Diego is 3 hours behind Trenton (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at San Diego Airport (SAN)?
San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
• Dollar
• Payless
• Europcar
• Thrifty
• Fox

If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.
- Courtyard by Marriott San Diego Downtown Little Italy
- Bay Club Hotel & Marina
- Sheraton San Diego Resort

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Everything you should know

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

Recent round-trip flight deals from Trenton to San Diego

Recent one-way flight deals from Trenton to San Diego

Price, demand and travel trends for Trenton to San Diego flights

What is the cheapest airline to fly from Trenton to San Diego?

What is the cheapest layover airport when flying from Trenton to San Diego?

When flying from Trenton to San Diego which airport offers the shortest layover?

Key details for Trenton to San Diego flights

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When to book flights from Trenton to San Diego

Your Trenton to San Diego flight questions, answered

Your guide to booking Trenton to San Diego flights

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