HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis to Trenton (STL - TTN) from $96

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — TTN
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from St. Louis to Trenton, New Jersey?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 58 days in advance, which can save you up to 177% on flights from St. Louis to Trenton, New Jersey compared to booking the week you need them. Waiting 58 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $290. For sooner than that we have options available in the next 3 days from $562.

What is the cheapest month to fly from St. Louis to Trenton, New Jersey?

Flights from St. Louis to Trenton, New Jersey lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Trenton, New Jersey in September, with the cheapest ticket starting at $129.

What is the cheapest time of day to fly from STL to TTN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Trenton, New Jersey as you normally would.

Cheap Frontier flights from St. Louis to Trenton

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Trenton. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Sat 7/137:33 pmSTL - TTN
1 stop11h 05mFrontier
Wed 7/176:37 pmTTN - STL
1 stop15h 06mFrontier
Deal found 6/1$223
Thu 7/47:29 pmSTL - TTN
1 stop12h 05mFrontier
Sun 7/77:39 pmTTN - STL
1 stop14h 04mFrontier
Deal found 6/1$225
Tue 6/117:44 pmSTL - TTN
1 stop11h 47mFrontier
Thu 6/138:28 amTTN - STL
1 stop23h 39mFrontier
Deal found 6/1$245
Thu 6/137:44 pmSTL - TTN
1 stop22h 12mFrontier
Mon 6/179:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 6/1$259
Mon 6/176:16 pmSTL - TTN
1 stop24h 46mFrontier
Mon 6/249:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 6/1$269
Wed 6/268:16 amSTL - TTN
1 stop22h 26mFrontier
Sun 6/307:40 pmTTN - STL
1 stop13h 45mFrontier
Deal found 6/1$270
Tue 7/27:29 pmSTL - TTN
1 stop12h 02mFrontier
Tue 7/99:08 pmTTN - STL
1 stop12h 35mFrontier
Deal found 6/2$279
Fri 6/77:44 pmSTL - TTN
1 stop10h 58mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 6/1$284
Sun 6/97:44 pmSTL - TTN
1 stop24h 03mFrontier
Wed 6/1211:30 amTTN - STL
1 stop20h 37mFrontier
Deal found 6/2$305

Cheap St. Louis to Trenton flights in June & July 2024

Find cheap flight options from St. Louis to Trenton specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Prices were last updated on June 2, 2024.
Tue 6/117:44 pmSTL - TTN
1 stop11h 47mFrontier
Thu 6/138:28 amTTN - STL
1 stop23h 39mFrontier
Deal found 6/1$245
Thu 6/137:44 pmSTL - TTN
1 stop22h 12mFrontier
Mon 6/179:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 6/1$259
Mon 6/176:16 pmSTL - TTN
1 stop24h 46mFrontier
Mon 6/249:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 6/1$269
Wed 6/268:16 amSTL - TTN
1 stop22h 26mFrontier
Sun 6/307:40 pmTTN - STL
1 stop13h 45mFrontier
Deal found 6/1$270
Fri 6/77:44 pmSTL - TTN
1 stop10h 58mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 6/1$284
Thu 6/67:44 pmSTL - TTN
1 stop22h 12mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 6/1$305
Fri 6/147:44 pmSTL - TTN
1 stop10h 58mFrontier
Fri 6/217:43 pmTTN - STL
1 stop16h 30mFrontier
Deal found 5/31$342
Fri 6/147:44 pmSTL - TTN
1 stop10h 58mFrontier
Sun 6/167:40 pmTTN - STL
1 stop22h 36mFrontier
Deal found 6/1$367
Sat 6/2912:13 pmSTL - TTN
1 stop18h 29mFrontier
Sun 6/307:40 pmTTN - STL
1 stop13h 45mFrontier
Deal found 6/1$385

St. Louis to Trenton 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Trenton in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Tue 7/167:33 pmSTL - TTN
1 stop12h 01mFrontier
Tue 7/239:08 pmTTN - STL
1 stop12h 35mFrontier
Deal found 6/2$220
Sat 7/137:33 pmSTL - TTN
1 stop11h 05mFrontier
Wed 7/176:37 pmTTN - STL
1 stop15h 06mFrontier
Deal found 6/1$223
Thu 7/47:29 pmSTL - TTN
1 stop12h 05mFrontier
Sun 7/77:39 pmTTN - STL
1 stop14h 04mFrontier
Deal found 6/1$225
Tue 6/117:44 pmSTL - TTN
1 stop11h 47mFrontier
Thu 6/138:28 amTTN - STL
1 stop23h 39mFrontier
Deal found 6/1$245
Thu 6/137:44 pmSTL - TTN
1 stop22h 12mFrontier
Mon 6/179:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 6/1$259
Mon 6/176:16 pmSTL - TTN
1 stop24h 46mFrontier
Mon 6/249:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 6/1$269
Wed 6/268:16 amSTL - TTN
1 stop22h 26mFrontier
Sun 6/307:40 pmTTN - STL
1 stop13h 45mFrontier
Deal found 6/1$270
Tue 7/27:29 pmSTL - TTN
1 stop12h 02mFrontier
Tue 7/99:08 pmTTN - STL
1 stop12h 35mFrontier
Deal found 6/2$279
Fri 6/77:44 pmSTL - TTN
1 stop10h 58mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 6/1$284

St. Louis to Trenton flights leaving soon

Find last-minute flight options from St. Louis to Trenton for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Tue 6/117:44 pmSTL - TTN
1 stop11h 47mFrontier
Thu 6/138:28 amTTN - STL
1 stop23h 39mFrontier
Deal found 6/1$245
Fri 6/77:44 pmSTL - TTN
1 stop10h 58mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 6/1$284
Sun 6/97:44 pmSTL - TTN
1 stop24h 03mFrontier
Wed 6/1211:30 amTTN - STL
1 stop20h 37mFrontier
Deal found 6/2$305
Wed 6/128:16 amSTL - TTN
1 stop8h 34mFrontier
Sat 6/158:34 pmTTN - STL
1 stop11h 33mFrontier
Deal found 5/31$488
Fri 6/77:44 pmSTL - TTN
1 stop22h 57mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 6/2$598

One-way flights to Trenton from St. Louis

Search for one-way flight options from St. Louis to Trenton. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Tue 6/117:44 pmSTL - TTN
1 stop11h 47mFrontier
Deal found 6/1$96
Mon 6/106:16 pmSTL - TTN
1 stop24h 46mFrontier
Deal found 6/2$109
Thu 7/47:29 pmSTL - TTN
1 stop12h 05mFrontier
Deal found 6/1$116
Wed 6/128:16 amSTL - TTN
1 stop22h 26mFrontier
Deal found 6/1$199
Thu 8/156:42 pmSTL - TTN
1 stop15h 55mFrontier
Deal found 6/1$219
Wed 6/128:16 amSTL - TTN
1 stop22h 26mFrontier
Deal found 6/2$220

Find flights from St. Louis to Trenton within your budget

Customize your flight search to find flights from St. Louis to Trenton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$223 - $367

Route

Depart

Return

Price

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Sat 7/13

1 stop11h 05m

Trenton-Mercer

Wed 7/17

1 stop15h 06m

$223

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Thu 7/4

1 stop12h 05m

Trenton-Mercer

Sun 7/7

1 stop14h 04m

$225

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Thu 6/13

1 stop22h 12m

Trenton-Mercer

Mon 6/17

1 stop10h 31m

$259

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Mon 6/17

1 stop24h 46m

Trenton-Mercer

Mon 6/24

1 stop10h 31m

$269

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Wed 6/26

1 stop22h 26m

Trenton-Mercer

Sun 6/30

1 stop13h 45m

$270

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Tue 7/2

1 stop12h 02m

Trenton-Mercer

Tue 7/9

1 stop12h 35m

$279

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Wed 7/3

1 stop24h 10m

Trenton-Mercer

Sun 7/7

1 stop14h 04m

$335

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Fri 6/14

1 stop10h 58m

Trenton-Mercer

Fri 6/21

1 stop16h 30m

$342

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Fri 6/14

1 stop10h 58m

Trenton-Mercer

Sun 6/16

1 stop22h 36m

$367

Flights are sorted by cheapest first

Deals found on 6/1

What is the cheapest day to fly from St. Louis to Trenton, New Jersey?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Trenton. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Trenton, New Jersey flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Trenton

Get insights into the airlines that provide service to Trenton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trenton. Reviews last updated June 2, 2024.
Frontier
6.2
Okay
4,006 reviews
Check prices

Boarding

6.5

Comfort

5.8

Food

5.1

Overall

6.2

Crew

7.0

Entertainment

4.9

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Frontier
6.2
Okay
4,006 reviews
Frontier
6.2
Okay
4,006 reviews
Check prices

Boarding

6.5

Comfort

5.8

Food

5.1

Overall

6.2

Crew

7.0

Entertainment

4.9

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Trenton, New Jersey for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Trenton, New Jersey for under $300. The cheapest flight booked recently is on Frontier for just $223, but on average you can expect to pay $361.

  • Are there last-minute flights available from St. Louis to Trenton, New Jersey for under $300?

    There are currently 5+ open flights from St. Louis to Trenton, New Jersey within the next 7 days for less than $300.

  • What does STL to TTN mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Trenton-Mercer Airport flight would often be abbreviated as a STL to TTN flight.

  • Can I find deals for flights from St. Louis to Trenton that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Trenton flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Trenton with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Trenton flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Trenton that include hotel bookings?

    Yes. In addition to deals on St. Louis to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Trenton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Trenton.

  • Can I find deals for business class flights from St. Louis to Trenton?

    Yes. Cheapflights offers flight deals from St. Louis to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Trenton that allow pets onboard?

    Many airlines flying from St. Louis to Trenton offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Trenton?

    Yes, you can often find last-minute deals on St. Louis to Trenton flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Trenton, New Jersey flight deals updated?

    The St. Louis to Trenton, New Jersey flight deals you see on this page were last updated on 6/2.

  • What is the cheapest month to book a flight from St. Louis to Trenton, New Jersey?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Trenton, New Jersey (average of $68). Flying from St. Louis to Trenton, New Jersey in July is currently the most expensive (average of $139). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Trenton
See prices for flight routes from nearby airports that may be better suited for you.

St. Louis to LaGuardia flights
Kansas City to LaGuardia flights
Kansas City to John F Kennedy Intl flights
Kansas City to Newark flights
St. Louis to John F Kennedy Intl flights
St. Louis to Newark flights
Kansas City to Philadelphia flights
St. Louis to Philadelphia flights
Springfield to John F Kennedy Intl flights
Springfield to LaGuardia flights
Springfield to Newark flights
Kansas City to Atlantic City flights
Columbia to John F Kennedy Intl flights
Columbia to LaGuardia flights
Columbia to Newark flights
Springfield to Philadelphia flights
Columbia to Philadelphia flights
Joplin to LaGuardia flights
Joplin to Newark flights
Joplin to Philadelphia flights
Kansas City to Trenton flights
Joplin to John F Kennedy Intl flights
Branson to Philadelphia flights
Philadelphia to Chicago flights
Atlanta to Los Angeles flights
Austin to Las Vegas flights
Los Angeles to Bangkok flights
Denver to Atlanta flights
Philadelphia to Denver flights
New York to London flights
Denver to Seattle flights
Chicago to Miami flights
USA to Philippines flights
Boston to Cancún flights
St. Louis to Tulum flights

Search flights from St. Louis to Trenton by cabin class

Find flights from St. Louis to Trenton, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Trenton?

Cheapflights makes it easy to find St. Louis to Trenton flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Trenton?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis to Trenton for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St. Louis to Trenton with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Trenton, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Trenton become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Trenton from St. Louis today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines