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$77+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — STL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$154
(Frontier)

One-way from

$77
(Frontier)

Popular in

January

Cheapest in

October

Average price

$348
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. 11% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/13. 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 9/2810:30 amTTN - STL
1 stop5h 34mFrontier
Sat 10/114:33 pmSTL - TTN
1 stop6h 26mFrontier
Deal found 9/13$154
This Frontier deal was found by Cheapflights users on 9/14. 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 10/99:00 amTTN - STL
1 stop9h 10mFrontier
Sat 10/114:33 pmSTL - TTN
1 stop6h 26mFrontier
Deal found 9/14$169
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:30 amTTN - STL
1 stop5h 34mFrontier
Sun 9/284:00 pmSTL - TTN
1 stop18h 34mFrontier
Deal found 9/13$173
This Frontier deal was found by Cheapflights users on 9/14. 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 10/236:00 amTTN - STL
1 stop7h 46mFrontier
Thu 10/302:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 9/14$184
This Frontier deal was found by Cheapflights users on 9/13. 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 10/210:30 amTTN - STL
1 stop5h 34mFrontier
Thu 10/911:32 amSTL - TTN
2 stops20h 52mFrontier
Deal found 9/13$188
This Frontier deal was found by Cheapflights users on 9/14. 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.
Sat 10/188:00 amTTN - STL
1 stop8h 38mFrontier
Fri 10/312:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 9/14$190
This Frontier deal was found by Cheapflights users on 9/14. 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 9/2911:45 amTTN - STL
2 stops22h 21mFrontier
Fri 10/39:32 pmSTL - TTN
1 stop12h 28mFrontier
Deal found 9/14$201
This Frontier deal was found by Cheapflights users on 9/13. 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 10/210:30 amTTN - STL
1 stop5h 34mFrontier
Sun 10/121:41 pmSTL - TTN
1 stop9h 18mFrontier
Deal found 9/13$204
This Frontier deal was found by Cheapflights users on 9/14. 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 10/236:00 amTTN - STL
1 stop7h 46mFrontier
Sat 10/254:33 pmSTL - TTN
1 stop6h 26mFrontier
Deal found 9/14$205
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:30 amTTN - STL
1 stop5h 34mFrontier
Thu 9/254:00 pmSTL - TTN
1 stop18h 34mFrontier
Deal found 9/13$211
This Frontier deal was found by Cheapflights users on 9/13. 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 10/510:30 amTTN - STL
1 stop5h 34mFrontier
Sun 10/121:41 pmSTL - TTN
1 stop9h 18mFrontier
Deal found 9/13$219
This Frontier deal was found by Cheapflights users on 9/13. 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 9/2810:30 amTTN - STL
1 stop5h 34mFrontier
Thu 10/911:32 amSTL - TTN
2 stops11h 27mFrontier
Deal found 9/13$222

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 September 15, 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 10/6

11:45 am-8:37 pm

1 stop9h 52m

Lambert-St Louis

Sat 10/11

4:33 pm-11:59 pm

1 stop6h 26m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Sun 9/21

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Fri 10/3

9:32 pm-11:00 am

1 stop12h 28m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Sun 9/28

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Fri 10/3

9:32 pm-11:00 am

1 stop12h 28m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Sun 9/28

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Sat 10/11

4:33 pm-11:59 pm

1 stop6h 26m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 9/25

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Fri 10/3

9:32 pm-11:00 am

1 stop12h 28m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/2

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Fri 10/3

9:32 pm-11:00 am

1 stop12h 28m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/2

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Sat 10/11

4:33 pm-11:59 pm

1 stop6h 26m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Sun 10/12

6:00 am-12:46 pm

1 stop7h 46m

Lambert-St Louis

Thu 10/23

1:41 pm-11:59 pm

1 stop9h 18m

$154

TrentonKansas City

TTN - MCI

TTNMCI

Trenton-Mercer

Sat 10/11

8:00 am-9:59 pm

1 stop14h 59m

Kansas City

Sat 10/18

7:02 pm-11:59 pm

2 stops27h 57m

$480

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 9/25

10:30 am-3:04 pm

1 stop5h 34m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 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, August is the cheapest month in which you can book a flight from Trenton, New Jersey to Missouri (average of $311). Flying from Trenton, New Jersey to Missouri in March is currently the most expensive (average of $356). 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 $154, Frontier can have you in Missouri from Trenton, New Jersey in 9h 52m. 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, August is the cheapest month in which you can book a flight from Trenton, New Jersey to Missouri (average of $311). Flying from Trenton, New Jersey to Missouri in March is currently the most expensive (average of $356). 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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