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Cheap flights from St. Louis to Trenton (STL - TTN) from $84

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 6/5. 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
May 27 — Jun 31
From?
To?
Mon 5/27
Mon 6/3
1 adult, Economy
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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.

When is the cheapest time to fly from St. Louis to Trenton, New Jersey (STL - 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 2,730,072 searches. Data last updated May 22, 2024.
Fri 6/77:44 pmSTL - TTN
1 stop22h 57mFrontier
Mon 6/109:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 5/22$218
Sat 7/207:33 pmSTL - TTN
1 stop11h 05mFrontier
Mon 7/229:36 pmTTN - STL
1 stop12h 00mFrontier
Deal found 5/22$239
Thu 6/67:44 pmSTL - TTN
1 stop11h 42mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 5/21$243
Tue 6/47:44 pmSTL - TTN
1 stop11h 47mFrontier
Wed 6/1211:30 amTTN - STL
1 stop20h 37mFrontier
Deal found 5/22$251
Wed 7/317:33 pmSTL - TTN
1 stop12h 01mFrontier
Sun 8/47:40 pmTTN - STL
1 stop14h 03mFrontier
Deal found 5/22$258
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Wed 6/56:37 pmTTN - STL
1 stop13h 30mFrontier
Deal found 5/21$259
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Mon 6/37:04 pmTTN - STL
1 stop13h 04mFrontier
Deal found 5/21$260
Mon 7/227:33 pmSTL - TTN
1 stop23h 50mFrontier
Wed 7/246:37 pmTTN - STL
1 stop15h 06mFrontier
Deal found 5/21$264
Thu 8/17:33 pmSTL - TTN
1 stop12h 01mFrontier
Sun 8/47:40 pmTTN - STL
1 stop14h 03mFrontier
Deal found 5/22$278

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

Find cheap flight options from St. Louis to Trenton specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on May 22, 2024.
Fri 6/77:44 pmSTL - TTN
1 stop22h 57mFrontier
Mon 6/109:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 5/22$218
Thu 6/67:44 pmSTL - TTN
1 stop11h 42mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 5/21$243
Tue 6/47:44 pmSTL - TTN
1 stop11h 47mFrontier
Wed 6/1211:30 amTTN - STL
1 stop20h 37mFrontier
Deal found 5/22$251
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Wed 6/56:37 pmTTN - STL
1 stop13h 30mFrontier
Deal found 5/21$259
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Mon 6/37:04 pmTTN - STL
1 stop13h 04mFrontier
Deal found 5/21$260
Sat 6/2912:13 pmSTL - TTN
1 stop18h 29mFrontier
Sun 7/77:40 pmTTN - STL
1 stop14h 03mFrontier
Deal found 5/21$317
Fri 5/317:44 pmSTL - TTN
1 stop10h 54mFrontier
Sun 6/23:58 pmTTN - STL
1 stop29h 22mFrontier
Deal found 5/21$318
Tue 5/287:44 pmSTL - TTN
1 stop21h 14mFrontier
Thu 5/303:58 pmTTN - STL
1 stop16h 10mFrontier
Deal found 5/21$322
Thu 6/277:44 pmSTL - TTN
1 stop11h 42mFrontier
Sat 7/68:12 pmTTN - STL
1 stop13h 24mFrontier
Deal found 5/20$329

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 2,730,072 searches. Data last updated May 22, 2024.
Fri 6/77:44 pmSTL - TTN
1 stop22h 57mFrontier
Mon 6/109:36 pmTTN - STL
1 stop10h 31mFrontier
Deal found 5/22$218
Sat 7/207:33 pmSTL - TTN
1 stop11h 05mFrontier
Mon 7/229:36 pmTTN - STL
1 stop12h 00mFrontier
Deal found 5/22$239
Thu 6/67:44 pmSTL - TTN
1 stop11h 42mFrontier
Sun 6/97:40 pmTTN - STL
1 stop22h 34mFrontier
Deal found 5/21$243
Tue 6/47:44 pmSTL - TTN
1 stop11h 47mFrontier
Wed 6/1211:30 amTTN - STL
1 stop20h 37mFrontier
Deal found 5/22$251
Wed 7/317:33 pmSTL - TTN
1 stop12h 01mFrontier
Sun 8/47:40 pmTTN - STL
1 stop14h 03mFrontier
Deal found 5/22$258
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Wed 6/56:37 pmTTN - STL
1 stop13h 30mFrontier
Deal found 5/21$259
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Mon 6/37:04 pmTTN - STL
1 stop13h 04mFrontier
Deal found 5/21$260
Mon 7/227:33 pmSTL - TTN
1 stop23h 50mFrontier
Wed 7/246:37 pmTTN - STL
1 stop15h 06mFrontier
Deal found 5/21$264
Thu 8/17:33 pmSTL - TTN
1 stop12h 01mFrontier
Sun 8/47:40 pmTTN - STL
1 stop14h 03mFrontier
Deal found 5/22$278

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 2,730,072 searches. Data last updated May 22, 2024.
Tue 6/47:44 pmSTL - TTN
1 stop11h 47mFrontier
Wed 6/1211:30 amTTN - STL
1 stop20h 37mFrontier
Deal found 5/22$251
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Wed 6/56:37 pmTTN - STL
1 stop13h 30mFrontier
Deal found 5/21$259
Sat 6/19:29 pmSTL - TTN
1 stop16h 44mFrontier
Mon 6/37:04 pmTTN - STL
1 stop13h 04mFrontier
Deal found 5/21$260
Fri 5/317:44 pmSTL - TTN
1 stop10h 54mFrontier
Sun 6/23:58 pmTTN - STL
1 stop29h 22mFrontier
Deal found 5/21$318
Tue 5/287:44 pmSTL - TTN
1 stop21h 14mFrontier
Thu 5/303:58 pmTTN - STL
1 stop16h 10mFrontier
Deal found 5/21$322
Wed 5/299:10 pmSTL - TTN
1 stop17h 03mFrontier
Sun 6/23:58 pmTTN - STL
1 stop29h 22mFrontier
Deal found 5/21$343
Tue 5/287:44 pmSTL - TTN
1 stop11h 54mFrontier
Fri 5/319:23 pmTTN - STL
1 stop24h 16mFrontier
Deal found 5/21$359
Thu 5/237:44 pmSTL - TTN
1 stop15h 34mFrontier
Mon 5/276:43 pmTTN - STL
1 stop13h 25mFrontier
Deal found 5/21$403
Fri 5/247:44 pmSTL - TTN
1 stop10h 54mFrontier
Mon 5/276:43 pmTTN - STL
1 stop13h 25mFrontier
Deal found 5/21$765

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 2,730,072 searches. Data last updated May 22, 2024.
Wed 6/58:13 amSTL - TTN
1 stop22h 29mFrontier
Deal found 5/21$84
Tue 6/47:44 pmSTL - TTN
1 stop11h 47mFrontier
Deal found 5/20$105
Sun 6/27:44 pmSTL - TTN
1 stop15h 39mFrontier
Deal found 5/21$112
Fri 5/317:44 pmSTL - TTN
1 stop10h 54mFrontier
Deal found 5/22$115
Fri 6/147:44 pmSTL - TTN
1 stop10h 58mFrontier
Deal found 5/21$119
Tue 7/167:33 pmSTL - TTN
1 stop12h 01mFrontier
Deal found 5/21$125
Wed 5/299:10 pmSTL - TTN
1 stop17h 03mFrontier
Deal found 5/20$128
Thu 6/67:44 pmSTL - TTN
1 stop11h 42mFrontier
Deal found 5/21$129
Thu 7/187:33 pmSTL - TTN
1 stop12h 01mFrontier
Deal found 5/21$135

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 2,730,072 searches. Data last updated May 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$218 - $278

Route

Depart

Return

Price

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Fri 6/7

1 stop22h 57m

Trenton-Mercer

Mon 6/10

1 stop10h 31m

$218

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Sat 7/20

1 stop11h 05m

Trenton-Mercer

Mon 7/22

1 stop12h 00m

$239

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Thu 6/6

1 stop11h 42m

Trenton-Mercer

Sun 6/9

1 stop22h 34m

$243

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Tue 6/4

1 stop11h 47m

Trenton-Mercer

Wed 6/12

1 stop20h 37m

$251

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Wed 7/31

1 stop12h 01m

Trenton-Mercer

Sun 8/4

1 stop14h 03m

$258

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Sat 6/1

1 stop16h 44m

Trenton-Mercer

Wed 6/5

1 stop13h 30m

$259

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Sat 6/1

1 stop16h 44m

Trenton-Mercer

Mon 6/3

1 stop13h 04m

$260

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Mon 7/22

1 stop23h 50m

Trenton-Mercer

Wed 7/24

1 stop15h 06m

$264

Lambert-St LouisTrenton-Mercer

STL - TTN

STLTTN

Lambert-St Louis

Thu 8/1

1 stop12h 01m

Trenton-Mercer

Sun 8/4

1 stop14h 03m

$278

Flights are sorted by cheapest first

Deals found on 5/22

When is the cheapest time 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 May 19, 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 May 22, 2024.
Frontier
6.3
Okay
4,046 reviews
Check prices

Food

5.2

Comfort

5.8

Crew

7.1

Boarding

6.6

Overall

6.3

Entertainment

4.9

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

Frontier
6.3
Okay
4,046 reviews
Frontier
6.3
Okay
4,046 reviews
Check prices

Food

5.2

Comfort

5.8

Crew

7.1

Boarding

6.6

Overall

6.3

Entertainment

4.9

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

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 $218, but on average you can expect to pay $327.

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

    There are currently 10+ 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 5/22.

  • When is the best time 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 $138). 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

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

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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

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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.

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