Cheap Flights from St. Louis (STL) to Trenton (TTN)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Trenton–Mercer Airport (TTN)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert Field to Mercer Airport (TTN) last minute?
Being spontaneous is a great way to explore the globe, but it isn't necessarily the wisest way to find a bargain fare. It's better to book your Lambert Field to Mercer Airport (TTN) journey well in advance instead of leaving it until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save up that spontaneity for when you get to Mercer Airport (TTN)!
What airports do you fly into for Trenton from St. Louis?
With Mercer Airport (TTN), Philadelphia Intl. Airport (PHL) and Lehigh Valley Intl. Airport (ABE) to pick from, journeying from St. Louis to Trenton is a piece of cake. The city's major hub, Mercer Airport (TTN), is roughly 8 kilometers northwest of the downtown area. Along with ticket costs, consider things like the ease of getting from the airport and the distance to your hotel when deciding where to fly into. Get your Trenton vacation off to an awesome start by exploring Sesame Place and Rider University.
Can I change the date of my flight from STL to Mercer Airport (TTN)?
Plans don't always work out, so Expedia is here to help make amending your trip as easy as possible. First, find your Lambert Field to Trenton–Mercer Airport itinerary through the Expedia Trips portal and check the fare rules and restrictions regarding changes. If you purchased your airfare in the last 24 hours, some carriers allow you to cancel at no cost and organize new flights. If you booked your fare more than 24 hours ago, contact us through our Customer Service portal to find out what your options are.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Mercer
Distance
1335 km

Book with confidence

Book with confidence

St. Louis to Trenton Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Trenton offer the perfect respite. Not only does exploring Trenton provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Trenton may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Trenton are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Trenton more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Trenton is now!

St. Louis to Trenton Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia