Cheap Flights from Trenton (TTN) to Salt Lake City (SLC)

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Find available prices by choosing your travel dates.
Flights from Trenton (TTN) to Salt Lake City (SLC)
Origin airport
Mercer
Destination airport
Salt Lake City Intl.
Distance
1937 mi

Trenton to Salt Lake City Flights

The cheapest times to fly from Trenton to Salt Lake City

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 Salt Lake City are during the month of . You can find some of the cheapest flights from Trenton to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trenton to Salt Lake City

Sunday is one of the best days to book for cheap flights from Trenton to Salt Lake City: 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 Salt Lake City

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 Salt Lake City in 2025. 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 Salt Lake City 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 Salt Lake City 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.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from TTN to Salt Lake City Intl. Airport last minute?
Booking your trip from Mercer Airport (TTN) to Salt Lake City Intl. Airport (SLC) last minute could save you a tidy sum if you luck out and find a good deal. However, airfares usually don’t come down in price as the date of departure nears. If you hold off, flights could also be booked out or the best seats taken (because who wants the middle seat?). If you’d rather play it safe, book well ahead of the date you want to leave. In fact, some of the best deals are available on Expedia up to 12 months in advance. If your preferred airline hasn’t released its fares yet, check back regularly as offers are updated on Expedia all the time.
What airports do you fly into for Salt Lake City from Trenton?
From Trenton, you can get to Salt Lake City through Salt Lake City Intl. Airport (SLC), Provo, UT (PVU) and Ogden-Hinckley Airport (OGD). Find out which terminal is the right option for you before making your decision. If you go with Salt Lake City Intl. Airport (SLC), it’s about 5 mi west of the city center. Use the dollars you save when booking your journey with Expedia to check out the city’s awesome sights, such as University of Utah and Salt Lake Temple.
Can I change the date of my flight from Mercer Airport (TTN) to SLC?
Plans can get upended, so Expedia is here to help make things easy. First, find your Trenton–Mercer Airport to Salt Lake City Intl. Airport itinerary through the Expedia Trips portal and look up the fare rules to see if you can make changes. If you booked your plane ticket in the last 24 hours, some carriers will let you cancel for free and book new flights. If you booked your fare more than 24 hours ago, contact us through our Customer Service portal to learn more about your options.

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