Cheap Flights from Trenton (YTR) to San Diego (SAN)

Popular airlines from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN)

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Frequently asked questions

How much does a flight from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN) cost?
Grab a cheap one-way flight or cheap return flight from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN)?
is the most affordable month to fly from YTR to SAN. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN)?
To find the cheapest airline that'll fly you from YTR to SAN, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN)?
Nonstop flights from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YTR to SAN?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN)?
Choose a flight from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN) last-minute?
Holding off until just before your departure to book your flight from YTR to SAN generally means paying more. While you might find some last-minute offers, there's no guarantee. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a YTR to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking a YTR to SAN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Trenton, ON (YTR-Canadian Forces Base Trenton) to San Diego Intl. Airport (SAN)?
In most instances, you're able to reschedule or cancel your YTR to SAN flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Origin airport
Canadian Forces Base Trenton
Destination airport
San Diego Intl.
Distance
2260 mi

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Trenton to San Diego Flights

The cheapest times to fly from Trenton to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Trenton to San Diego are during the month of . You can find some of the cheapest flights from Trenton to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trenton to San Diego

Sunday is one of the best days to book for cheap flights from Trenton to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Trenton to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Trenton to San Diego in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Trenton to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Trenton to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Trenton to San Diego Flights
*Available to One Key members.