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Uncover the best deals on Trenton to San Diego flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest TTN - SAN Flights
Useful information for finding best airline tickets from Trenton Mercer to San Diego International on your next trip.
Cheapest Round Trip Flight
$549
Southwest Airlines
• 1 stop
• 11h 45m
Oct 11 – Oct 18
The cheapest round trip flight from Trenton to San Diego (TTN-SAN-TTN) is currently $549
Cheapest Direct Flight
$570
American Airlines
• nonstop
• 10h
Oct 11
The cheapest nonstop flight from Trenton to San Diego (TTN-SAN) is currently $570
Fastest Flight
9h 17m
The fastest nonstop flight from Trenton to San Diego (TTN-SAN) takes 9h 17m
Top Airlines Flying from Trenton to San Diego
Latest Flight Deals from Trenton (TTN) to San Diego (SAN)
Compare and book low fare round-trip air tickets from Trenton to San Diego. Ideal for travelers with confirmed return itineraries.
Oct 11 - Oct 18, Economy
Trenton → San Diego
11h 45m
6:20 AM - 10:25 AM • 1 stop
Trenton → San Diego
15h 10m
10:40 PM - 10:50 AM • 1 stop
Southwest Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
38h 49m
7:39 PM - 11:56 PM • 3 stops
Trenton → San Diego
40h 40m
2:01 PM - 6:54 PM • 2 stops
Frontier Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
12h 30m
6:30 AM - 11:20 AM • 1 stop
Trenton → San Diego
18h 32m
7:15 PM - 9:27 AM • 2 stops
American Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
19h 3m
10:45 AM - 7:28 PM • 2 stops
Trenton → San Diego
18h 32m
7:15 PM - 9:27 AM • 2 stops
American Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
25h 32m
6:30 AM - 7:02 PM • 2 stops
Trenton → San Diego
18h 32m
7:15 PM - 9:27 AM • 2 stops
American Airlines
Flying to San Diego soon? We've surfaced some of the most affordable last-minute flights from Trenton to San Diego, ideal for urgent plans or spontaneous trips.
Oct 11 - Oct 18, Economy
Trenton → San Diego
11h 45m
6:20 AM - 10:25 AM • 1 stop
Trenton → San Diego
15h 10m
10:40 PM - 10:50 AM • 1 stop
Southwest Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
38h 49m
7:39 PM - 11:56 PM • 3 stops
Trenton → San Diego
40h 40m
2:01 PM - 6:54 PM • 2 stops
Frontier Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
12h 30m
6:30 AM - 11:20 AM • 1 stop
Trenton → San Diego
18h 32m
7:15 PM - 9:27 AM • 2 stops
American Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
19h 3m
10:45 AM - 7:28 PM • 2 stops
Trenton → San Diego
18h 32m
7:15 PM - 9:27 AM • 2 stops
American Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
25h 32m
6:30 AM - 7:02 PM • 2 stops
Trenton → San Diego
18h 32m
7:15 PM - 9:27 AM • 2 stops
American Airlines
Looking for the fastest way to San Diego? These direct flight options from TTN to SAN offer both convenience and value—no layovers, just straight to your destination.
Oct 11 - Oct 18, Economy
Trenton → San Diego
10h
8:20 AM - 11:20 AM • nonstop
Trenton → San Diego
8h 32m
9:30 PM - 5:42 AM • nonstop
American Airlines
Oct 11 - Oct 18, Economy
Trenton → San Diego
9h 18m
6:00 PM - 8:58 PM • nonstop
Trenton → San Diego
8h 32m
9:30 PM - 5:42 AM • nonstop
American Airlines
FAQs on Trenton to San Diego Flights
What are the airports in Trenton?
TTN
What’s the most popular airline flying from TTN to SAN?
The most popular airline flying from Trenton to San Diego are
Can I fly from TTN to SAN non-stop?
Yes, you can fly TTN to SAN non-stop on
Which airlines fly nonstop between Trenton and San Diego?
The non-stop flights between Trenton and San Diego are .
What’s the earliest departure time from TTN to SAN Airport?
The earliest flight leaves TTN at 6:20 am and lands in SAN - San Diego International
What are the airports in San Diego?
SAN
Can I make changes to my Trenton to San Diego flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from TTN to SAN?
Read the fare rules of the Trenton to San Diego air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Trenton and San Diego?
operate flights between Trenton and San Diego
How long does a flight from Trenton to San Diego take?
It takes approximately 5 hour to fly non-stop from TTN to SAN, which is 2391.9 miles by air.
Which airlines provide the cheapest flights from Trenton (TTN) to San Diego (SAN) ?
In the past couple of days, the cheapest tickets to SAN from TTN were found on AA : USD 1450
Do I need a passport to fly between TTN and SAN?
No
What’s the latest departure time from TTN to SAN ?
The last flight leaves TTN at 7:39 pm
Trenton (TTN) to San Diego (SAN): Airport Information
| Origin Airport | Trenton Mercer , Trenton, US |
| Destination Airport | San Diego International , San Diego, US |
| Distance | 2392 miles |
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