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$55+ Cheap flights from Trenton, NJ (TTN) to Missouri

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Trenton to Missouri

Keep the following information in mind while searching for Trenton to Missouri flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$110
(Mytrip)

One-way from

$55
(Frontier)

Popular in

December

Cheapest in

January

Average price

$397
Provider with most accurate pricing for New York (NYC)-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Lambert-St Louis flights.
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From Trenton-Mercer to Missouri
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One-way flight from Trenton-Mercer to Missouri
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Highest demand for flights based on searches. 10% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Trenton to Missouri

Cheapest flights from Trenton to Missouri
Explore the most affordable flight options available from Trenton to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amTTN - STL
1 stop8h 17mFrontier
Sat 11/154:33 pmSTL - TTN
1 stop6h 26mFrontier
Deal found 10/29$110
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:27 pmTTN - STL
1 stop18h 53mFrontier
Wed 11/197:24 pmSTL - TTN
1 stop15h 25mFrontier
Deal found 10/29$111
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amTTN - STL
1 stop8h 17mFrontier
Sun 11/162:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 10/29$143
This Priceline deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amTTN - STL
1 stop8h 17mFrontier
Mon 11/1710:25 amSTL - TTN
1 stop6h 10mFrontier
Deal found 10/29$169
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:44 pmTTN - STL
1 stop12h 13mFrontier
Thu 12/43:30 pmSTL - TTN
1 stop7h 29mFrontier
Deal found 10/30$190
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amTTN - STL
1 stop8h 17mFrontier
Mon 11/244:13 pmSTL - TTN
1 stop18h 36mFrontier
Deal found 10/29$192
This Frontier deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 amTTN - STL
1 stop8h 17mFrontier
Fri 11/72:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 10/28$202
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amTTN - STL
1 stop8h 17mFrontier
Thu 11/62:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 10/29$228
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amTTN - STL
1 stop8h 17mFrontier
Fri 11/214:13 pmSTL - TTN
1 stop24h 36mFrontier
Deal found 10/29$230
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amTTN - STL
1 stop8h 17mFrontier
Sat 11/224:13 pmSTL - TTN
1 stop18h 36mFrontier
Deal found 10/28$232
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:44 pmTTN - STL
1 stop12h 13mFrontier
Sun 11/2310:24 amSTL - TTN
1 stop9h 17mFrontier
Deal found 10/30$247
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:00 amTTN - STL
1 stop8h 17mFrontier
Sun 11/2310:24 amSTL - TTN
1 stop9h 17mFrontier
Deal found 10/29$263

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to Missouri 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Trenton to Missouri that are best for you.

Fly from

Trenton

Fly to

Missouri

Route

Depart

Return

Price

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Mon 11/17

6:00 am-1:17 pm

1 stop8h 17m

Lambert-St Louis

Thu 11/20

4:13 pm-3:23 pm

1 stop22h 10m

$110

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 11/13

6:00 am-1:17 pm

1 stop8h 17m

Lambert-St Louis

Sun 11/16

2:12 pm-11:59 pm

1 stop8h 47m

$143

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 11/13

6:00 am-1:17 pm

1 stop8h 17m

Lambert-St Louis

Mon 11/17

10:25 am-5:35 pm

1 stop6h 10m

$169

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 11/27

12:44 pm-11:57 pm

1 stop12h 13m

Lambert-St Louis

Thu 12/4

3:30 pm-11:59 pm

1 stop7h 29m

$190

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Mon 11/17

6:00 am-1:17 pm

1 stop8h 17m

Lambert-St Louis

Fri 11/21

4:13 pm-5:49 pm

1 stop24h 36m

$230

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Mon 11/17

6:00 am-1:17 pm

1 stop8h 17m

Lambert-St Louis

Sun 11/23

8:07 am-6:31 pm

1 stop9h 24m

$230

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 11/20

12:44 pm-11:57 pm

1 stop12h 13m

Lambert-St Louis

Fri 11/21

4:13 pm-11:49 am

1 stop18h 36m

$232

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Mon 11/17

6:00 am-1:17 pm

1 stop8h 17m

Lambert-St Louis

Sat 11/22

4:13 pm-11:49 am

1 stop18h 36m

$232

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 1/8

9:59 pm-7:50 am

1 stop10h 51m

Lambert-St Louis

Mon 1/12

5:11 pm-11:59 pm

1 stop5h 48m

$250

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Wed 1/14

8:00 am-10:37 pm

1 stop15h 37m

Lambert-St Louis

Tue 1/20

5:11 pm-10:02 pm

1 stop27h 51m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 30 results
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Best time to book a flight from Trenton to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Trenton 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.

Cheapflights Insights

Everything you need to know about your flight from Trenton to Missouri

What is the cheapest month to book a flight from Trenton, New Jersey to Missouri?

Currently, March is the cheapest month in which you can book a flight from Trenton, New Jersey to Missouri (average of $61). Flying from Trenton, New Jersey to Missouri in December is currently the most expensive (average of $198). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Trenton to Missouri?

    Located just 4.8 mi from the city center, Trenton-Mercer (TTN) is the airport most travelers will use when flying to Missouri from Trenton.

  • How long is the flight from Trenton, New Jersey to Missouri?

    For as low as $110, Frontier can have you in Missouri from Trenton, New Jersey in 8h 17m. Trenton, New Jersey and Missouri are separated by a distance of 834 mi.

  • Can I find deals for flights from Trenton to Missouri that include hotel bookings?

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

  • How can I find direct flights from Trenton to Missouri?

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

  • Can I find deals for business class flights from Trenton to Missouri?

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

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

    Currently, March is the cheapest month in which you can book a flight from Trenton, New Jersey to Missouri (average of $61). Flying from Trenton, New Jersey to Missouri in December is currently the most expensive (average of $198). 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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