$73+ Cheap flights from Trenton, NJ to St. Louis (TTN - STL)
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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — STL
Mar 2 — Mar 91
1 adult, Economy
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Find cheap flights from Trenton to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Trenton to St. Louis
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Cheapest flights from Trenton to St. LouisExplore the most affordable flight options available from Trenton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 31, 2026.
Explore the most affordable flight options available from Trenton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 31, 2026.
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Thu 2/266:00 am
TTN
- STL
1 stop18h 59m
Frontier
Sat 2/283:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/31![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 1/30. 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.
Mon 2/2311:54 am
TTN
- STL
1 stop13h 05m
Frontier
Tue 2/243:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/30![Frontier logo]()
$175
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:00 am
TTN
- STL
1 stop15h 27m
Frontier
Thu 2/193:49 pm
STL
- TTN
1 stop20h 18m
Frontier
Deal found 1/30![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:04 pm
TTN
- STL
1 stop11h 47m
Frontier
Mon 4/134:54 pm
STL
- TTN
1 stop27h 43m
Frontier
Deal found 1/30![Frontier logo]()
$206
This CheapOair deal was found by Cheapflights users on 1/31. 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.
Wed 2/188:00 am
TTN
- STL
1 stop15h 27m
Frontier
Sat 2/219:41 am
STL
- TTN
1 stop12h 58m
Frontier
Deal found 1/31![Frontier logo]()
$232
This Travelocity deal was found by Cheapflights users on 1/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:56 am
TTN
- STL
1 stop23h 05m
Frontier
Sat 2/712:12 pm
STL
- TTN
1 stop6h 12m
Frontier
Deal found 1/29![Frontier logo]()
$236
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:56 am
TTN
- STL
1 stop23h 05m
Frontier
Sun 2/85:42 pm
STL
- TTN
1 stop24h 50m
Frontier
Deal found 1/29![Frontier logo]()
$250
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Sun 2/89:06 pm
TTN
- STL
1 stop27h 27m
Frontier
Sun 2/153:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/29![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:19 pm
TTN
- STL
1 stop12h 45m
Frontier
Sun 2/85:42 pm
STL
- TTN
1 stop24h 50m
Frontier
Deal found 1/30![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 1/30. 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.
Sat 2/1412:45 pm
TTN
- STL
1 stop12h 14m
Frontier
Wed 2/183:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/30![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 1/30. 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 4/1610:49 am
TTN
- STL
1 stop13h 30m
Frontier
Sun 4/194:55 pm
STL
- TTN
1 stop6h 04m
Frontier
Deal found 1/30![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 1/31. 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.
Fri 5/86:00 am
TTN
- STL
1 stop18h 19m
Frontier
Sun 5/104:55 pm
STL
- TTN
1 stop6h 04m
Frontier
Deal found 1/31![Frontier logo]()
$281
Best flights from Trenton to St. LouisDiscover carefully curated flight deals from Trenton to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 31, 2026.
Discover carefully curated flight deals from Trenton to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 31, 2026.
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Thu 2/266:00 am
TTN
- STL
1 stop18h 59m
Frontier
Sat 2/283:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/31![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 1/30. 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.
Mon 2/2311:54 am
TTN
- STL
1 stop13h 05m
Frontier
Tue 2/243:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/30![Frontier logo]()
$175
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
TTN
- STL
1 stop18h 25m
Frontier
Tue 4/144:55 pm
STL
- TTN
1 stop27h 42m
Frontier
Deal found 1/30![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:00 am
TTN
- STL
1 stop15h 27m
Frontier
Thu 2/193:49 pm
STL
- TTN
1 stop20h 18m
Frontier
Deal found 1/30![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:04 pm
TTN
- STL
1 stop11h 47m
Frontier
Mon 4/134:54 pm
STL
- TTN
1 stop27h 43m
Frontier
Deal found 1/30![Frontier logo]()
$206
This CheapOair deal was found by Cheapflights users on 1/31. 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.
Wed 2/188:00 am
TTN
- STL
1 stop15h 27m
Frontier
Sat 2/219:41 am
STL
- TTN
1 stop12h 58m
Frontier
Deal found 1/31![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 1/30. 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.
Fri 2/201:52 pm
TTN
- STL
1 stop11h 35m
Frontier
Sat 2/219:41 am
STL
- TTN
1 stop12h 58m
Frontier
Deal found 1/30![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 1/30. 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.
Sat 2/1412:45 pm
TTN
- STL
1 stop12h 14m
Frontier
Wed 2/183:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/30![Frontier logo]()
$271
This Mytrip deal was found by Cheapflights users on 1/29. 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 2/2311:54 am
TTN
- STL
1 stop13h 05m
Frontier
Sun 3/13:49 pm
STL
- TTN
1 stop18h 20m
Frontier
Deal found 1/29![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 1/30. 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 4/1610:49 am
TTN
- STL
1 stop13h 30m
Frontier
Sun 4/194:55 pm
STL
- TTN
1 stop6h 04m
Frontier
Deal found 1/30![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 1/29. 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 4/1610:49 am
TTN
- STL
1 stop13h 30m
Frontier
Fri 4/174:55 pm
STL
- TTN
1 stop6h 04m
Frontier
Deal found 1/29![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 1/31. 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.
Fri 5/86:00 am
TTN
- STL
1 stop18h 19m
Frontier
Sun 5/104:55 pm
STL
- TTN
1 stop6h 04m
Frontier
Deal found 1/31![Frontier logo]()
$281
Last-minute flights from Trenton to St. LouisDiscover last-minute flight deals from Trenton to St. Louis. Data last updated January 31, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to St. Louis. Data last updated January 31, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Thu 2/58:38 pm
TTN
- STL
1 stop27h 55m
Frontier
Tue 2/103:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/31![Frontier logo]()
$288
This Travelocity deal was found by Cheapflights users on 1/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:56 am
TTN
- STL
1 stop23h 05m
Frontier
Sat 2/712:12 pm
STL
- TTN
1 stop6h 12m
Frontier
Deal found 1/29![Frontier logo]()
$236
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:56 am
TTN
- STL
1 stop23h 05m
Frontier
Sun 2/85:42 pm
STL
- TTN
1 stop24h 50m
Frontier
Deal found 1/29![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:19 pm
TTN
- STL
1 stop12h 45m
Frontier
Sun 2/85:42 pm
STL
- TTN
1 stop24h 50m
Frontier
Deal found 1/30![Frontier logo]()
$267
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Sun 2/89:06 pm
TTN
- STL
1 stop27h 27m
Frontier
Sun 2/153:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/29![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 1/30. 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.
Sat 2/1412:45 pm
TTN
- STL
1 stop12h 14m
Frontier
Wed 2/183:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/30![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:00 am
TTN
- STL
1 stop15h 27m
Frontier
Thu 2/193:49 pm
STL
- TTN
1 stop20h 18m
Frontier
Deal found 1/30![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 1/31. 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.
Wed 2/188:00 am
TTN
- STL
1 stop15h 27m
Frontier
Sat 2/219:41 am
STL
- TTN
1 stop12h 58m
Frontier
Deal found 1/31![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 1/30. 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.
Mon 2/2311:54 am
TTN
- STL
1 stop13h 05m
Frontier
Tue 2/243:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/30![Frontier logo]()
$175
This Mytrip deal was found by Cheapflights users on 1/29. 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 2/2311:54 am
TTN
- STL
1 stop13h 05m
Frontier
Sun 3/13:49 pm
STL
- TTN
1 stop18h 20m
Frontier
Deal found 1/29![Frontier logo]()
$276
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Thu 2/266:00 am
TTN
- STL
1 stop18h 59m
Frontier
Sat 2/283:49 pm
STL
- TTN
1 stop6h 50m
Frontier
Deal found 1/31![Frontier logo]()
$138
One-way flights from Trenton to St. LouisSearch for one-way flight options from Trenton to St. Louis. Find affordable one-way fares based on user searches. Data last updated January 31, 2026.
Search for one-way flight options from Trenton to St. Louis. Find affordable one-way fares based on user searches. Data last updated January 31, 2026.
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:52 pm
TTN
- STL
1 stop11h 35m
Frontier
Deal found 1/30![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 1/29. 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.
Sat 2/1412:45 pm
TTN
- STL
1 stop12h 14m
Frontier
Deal found 1/29![Frontier logo]()
$117
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:56 am
TTN
- STL
1 stop23h 05m
Frontier
Deal found 1/30![Frontier logo]()
$131
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:54 am
TTN
- STL
1 stop13h 05m
Frontier
Deal found 1/30![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 1/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:38 pm
TTN
- STL
1 stop27h 55m
Frontier
Deal found 1/30![Frontier logo]()
$145
This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/154:05 pm
TTN
- STL
1 stop8h 54m
Frontier
Deal found 1/29![Frontier logo]()
$155
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/89:31 am
TTN
- STL
1 stop24h 50m
Frontier
Deal found 1/30![Frontier logo]()
$161
This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/178:00 am
TTN
- STL
1 stop15h 27m
Frontier
Deal found 1/28![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 1/30. 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.
Fri 2/271:52 pm
TTN
- STL
1 stop11h 35m
Frontier
Deal found 1/30![Frontier logo]()
$186
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Thu 3/196:00 am
TTN
- STL
1 stop26h 22m
Frontier
Deal found 1/29![Frontier logo]()
$205
This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:00 am
TTN
- STL
1 stop26h 02m
Frontier
Deal found 1/29![Frontier logo]()
$415
Find flight deals from Trenton to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $175 (Frontier) |
One-way from | $73 (Trip.com) |
Popular in | November |
Cheapest in | March |
Average price | $335 |
Cheapflights Fare Finder
Customize your flight search to find flights from Trenton to St. Louis 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 January 31, 2026.
Use the filters below to find and compare flights from Trenton to St. Louis that are best for you.
Fly from
Trenton
Fly to
St. Louis
Route
Depart
Return
Price
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Thu 2/26
6:00 am-11:59 pm
1 stop18h 59m
Lambert-St Louis
Sat 2/28
3:49 pm-11:39 pm
1 stop6h 50m
$138
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Mon 2/23
11:54 am-11:59 pm
1 stop13h 05m
Lambert-St Louis
Tue 2/24
3:49 pm-11:39 pm
1 stop6h 50m
$175
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Mon 4/13
6:00 am-11:25 pm
1 stop18h 25m
Lambert-St Louis
Tue 4/14
4:55 pm-9:37 pm
1 stop27h 42m
$192
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Wed 2/18
8:00 am-10:27 pm
1 stop15h 27m
Lambert-St Louis
Thu 2/19
3:49 pm-1:07 pm
1 stop20h 18m
$192
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Sun 4/12
9:04 pm-7:51 am
1 stop11h 47m
Lambert-St Louis
Mon 4/13
4:54 pm-9:37 pm
1 stop27h 43m
$206
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Wed 2/18
8:00 am-10:27 pm
1 stop15h 27m
Lambert-St Louis
Sat 2/21
9:41 am-11:39 pm
1 stop12h 58m
$232
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Fri 2/20
1:52 pm-12:27 am
1 stop11h 35m
Lambert-St Louis
Sat 2/21
9:41 am-11:39 pm
1 stop12h 58m
$256
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Sat 2/14
12:45 pm-11:59 pm
1 stop12h 14m
Lambert-St Louis
Wed 2/18
3:49 pm-11:39 pm
1 stop6h 50m
$271
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Mon 2/23
11:54 am-11:59 pm
1 stop13h 05m
Lambert-St Louis
Sun 3/1
3:49 pm-11:09 am
1 stop18h 20m
$276
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Thu 4/16
10:49 am-11:19 pm
1 stop13h 30m
Lambert-St Louis
Sun 4/19
4:55 pm-11:59 pm
1 stop6h 04m
$276
Showing 1-10 of 23 results
Compare providers for flights from Trenton to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Trenton to St. Louis in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Trenton, New Jersey-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trenton, New Jersey-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Trenton, New Jersey-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trenton, New Jersey-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Trenton to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Trenton with our price prediction graph.
TTN-STL
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 St. Louis
Related info for your journey
Find useful and relevant information for your journey from Trenton to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus