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.

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?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $408 to $1,980. That means the highest observed fare was about 5x 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 lower than usual. Average one-way flight prices are about $373, which is 24% below the typical average for this route.

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 averaging $53 for economy cars. Top options include: • Dollar • Payless • Europcar • Thrifty • Fox

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

Frontier ($488) offered the cheapest round-trip ticket from Trenton to San Diego in the last 5 days.

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 $454. 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 5h 05m over the past 3 months.

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Flight Deals

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

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

Round-trip

One-way

Recent round-trip flight deals from Trenton to San Diego

Sat, Dec 5 - Sat, Dec 12

11:03 am - 8:11 pmTTN Trenton-Mercer-SAN San Diego

12h 08m1 stop Orlando

2:21 pm - 11:15 amSAN San Diego-TTN Trenton-Mercer

17h 54m1 stop Fort Lauderdale

$408Multiple Airlines

Sun, Dec 6 - Wed, Dec 9

11:03 am - 10:18 amTTN Trenton-Mercer-SAN San Diego

26h 15m1 stop Orlando

11:10 am - 10:18 amSAN San Diego-TTN Trenton-Mercer

20h 08m1 stop Orlando

$439Multiple Airlines

Mon, Nov 23 - Thu, Nov 26

11:19 am - 6:54 pmTTN Trenton-Mercer-SAN San Diego

10h 35m1 stop Orlando

11:02 am - 10:34 amSAN San Diego-TTN Trenton-Mercer

20h 32m1 stop Orlando

$479Multiple Airlines

Mon, Nov 23 - Thu, Nov 26

11:19 am - 9:10 amTTN Trenton-Mercer-SAN San Diego

24h 51m2 stops Orlando Dallas/Fort Worth

10:05 am - 10:34 amSAN San Diego-TTN Trenton-Mercer

21h 29m2 stops Dallas/Fort Worth Orlando

$488Frontier

Thu, Dec 3 - Wed, Dec 9

11:03 am - 8:11 pmTTN Trenton-Mercer-SAN San Diego

12h 08m1 stop Orlando

2:21 pm - 11:15 amSAN San Diego-TTN Trenton-Mercer

17h 54m1 stop Fort Lauderdale

$490Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

11:03 am - 8:11 pmTTN Trenton-Mercer-SAN San Diego

12h 08m1 stop Orlando

2:21 pm - 11:15 amSAN San Diego-TTN Trenton-Mercer

17h 54m1 stop Fort Lauderdale

$505Multiple Airlines

Sun, Jan 24 - Wed, Jan 27

11:59 am - 7:57 pmTTN Trenton-Mercer-SAN San Diego

10h 58m1 stop Orlando

2:51 pm - 10:55 amSAN San Diego-TTN Trenton-Mercer

17h 04m1 stop Fort Lauderdale

$518Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

11:03 am - 8:11 pmTTN Trenton-Mercer-SAN San Diego

12h 08m1 stop Orlando

2:21 pm - 11:15 amSAN San Diego-TTN Trenton-Mercer

17h 54m1 stop Fort Lauderdale

$522Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

11:03 am - 8:11 pmTTN Trenton-Mercer-SAN San Diego

12h 08m1 stop Orlando

11:10 am - 10:18 amSAN San Diego-TTN Trenton-Mercer

20h 08m1 stop Orlando

$527Multiple Airlines

Sun, Dec 6 - Wed, Dec 9

11:03 am - 8:11 pmTTN Trenton-Mercer-SAN San Diego

12h 08m1 stop Orlando

2:21 pm - 11:15 amSAN San Diego-TTN Trenton-Mercer

17h 54m1 stop Fort Lauderdale

$552Multiple Airlines

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 with more confidence.

Airlines

Layovers

Which airline is the cheapest to fly from Trenton to San Diego?: Frontier ($488) offered the cheapest round-trip ticket from Trenton to San Diego in the last 5 days.

Find deals

Cheapest flight	$298

One-way 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.

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?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $408 to $1,980. That means the highest observed fare was about 5x 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 lower than usual. Average one-way flight prices are about $373, which is 24% below the typical average for this route.
What car rental options are available at San Diego Airport (SAN)?
San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates averaging $53 for economy cars. Top options include:

• Dollar
• Payless
• Europcar
• Thrifty
• Fox
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.
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 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.

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

Which airline is the cheapest 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

Cheapest flight

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

More options for your flight from Trenton to San Diego

Complete your trip to San Diego with a hotel stay or car rental

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Cabin class types available on flights from Trenton to San Diego

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