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

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

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Frequently asked questions

Is it cheaper to buy a plane ticket from Mercer Airport (TTN) to Lambert-St. Louis Intl. Airport (STL) last minute?
Booking your flight from TTN to STL at the last minute could save you some dough if you're lucky to find a real steal. However, tickets generally don't get cheaper as the departure date nears. If you hold out, flights could also be sold out or the best seats long gone. If you don't want to risk it, book well in advance of the date you want to leave. In fact, you can find some of the biggest deals up to a year in advance. If your preferred airline hasn't released its fares yet, check back regularly as deals are constantly updated on Expedia.
What airports do you fly into for St. Louis from Trenton?
With Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) to choose from, traveling from Trenton to St. Louis is a snap. The city's major hub, Lambert-St. Louis Intl. Airport (STL), is approximately 19 kilometers northwest of the center. As well as ticket costs, consider things like train or bus options from the airport and the distance to your hotel before making your decision. Get your St. Louis trip off to a terrific start by checking out Busch Stadium and Gateway Arch.
Can I change the date of my flight from Mercer Airport (TTN) to Lambert-St. Louis Intl. Airport (STL)?
Plans can change, so Expedia is here to help make amending your journey as easy as possible. To start, find your Trenton–Mercer Airport to Lambert Field itinerary through the Expedia Trips portal and read the fare conditions and rules to see if you can make changes. If you booked your airfare in the last 24 hours, some airlines will let you cancel without charge and book new flights. If you bought your fare more than 24 hours ago, get in touch with us through our Customer Service portal to see how we can assist.

Travel information

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

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