$114+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — STL
Jun 21 — Jun 281
Round-trip
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
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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 May 22, 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 May 22, 2026.
This Orbitz deal was found by Cheapflights users on 5/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Tue 7/214:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/18![Frontier logo]()
$190
This Expedia deal was found by Cheapflights users on 5/18. 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.
Sat 6/139:37 pm
TTN
- STL
1 stop27h 12m
Frontier
Tue 6/164:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/18![Frontier logo]()
$204
This Expedia deal was found by Cheapflights users on 5/18. 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.
Wed 7/298:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Mon 8/34:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/18![Frontier logo]()
$209
This Orbitz deal was found by Cheapflights users on 5/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Sun 8/24:09 pm
STL
- TTN
1 stop26h 39m
Frontier
Deal found 5/18![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 5/18. 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.
Sat 8/19:37 pm
TTN
- STL
1 stop27h 22m
Frontier
Mon 8/34:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/18![Frontier logo]()
$223
This Expedia deal was found by Cheapflights users on 5/18. 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 7/108:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Sun 7/124:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/18![Frontier logo]()
$230
This Gotogate deal was found by Cheapflights users on 5/20. 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.
Wed 7/88:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Tue 7/144:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/20![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 5/18. 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.
Sat 6/610:27 am
TTN
- STL
1 stop14h 30m
Frontier
Tue 6/94:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/18![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 5/19. 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.
Wed 6/1010:42 am
TTN
- STL
1 stop14h 07m
Frontier
Thu 6/114:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/19![Frontier logo]()
$249
This Expedia deal was found by Cheapflights users on 5/21. 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.
Sun 6/218:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Wed 6/244:17 pm
STL
- TTN
1 stop15h 17m
Frontier
Deal found 5/21![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 5/18. 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 8/89:37 pm
TTN
- STL
1 stop27h 22m
Frontier
Thu 8/134:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/18![Frontier logo]()
$254
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 May 22, 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 May 22, 2026.
This Expedia deal was found by Cheapflights users on 5/18. 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.
Sat 8/19:37 pm
TTN
- STL
1 stop27h 22m
Frontier
Mon 8/34:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/18![Frontier logo]()
$223
This CheapOair deal was found by Cheapflights users on 5/18. 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 8/89:37 pm
TTN
- STL
1 stop27h 22m
Frontier
Wed 8/124:09 pm
STL
- TTN
1 stop26h 39m
Frontier
Deal found 5/18![Frontier logo]()
$240
This Gotogate deal was found by Cheapflights users on 5/20. 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.
Wed 7/88:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Tue 7/144:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/20![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 5/18. 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.
Sat 6/610:27 am
TTN
- STL
1 stop14h 30m
Frontier
Tue 6/94:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/18![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 5/21. 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.
Mon 6/158:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Wed 6/174:17 pm
STL
- TTN
1 stop15h 17m
Frontier
Deal found 5/21![Frontier logo]()
$249
This Expedia deal was found by Cheapflights users on 5/21. 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.
Sun 7/126:05 am
TTN
- STL
1 stop18h 54m
Frontier
Wed 7/154:09 pm
STL
- TTN
1 stop15h 29m
Frontier
Deal found 5/21![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 5/18. 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 8/89:37 pm
TTN
- STL
1 stop27h 22m
Frontier
Thu 8/134:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/18![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 5/20. 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 8/128:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Sun 8/164:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/20![Frontier logo]()
$260
This Booking.com deal was found by Cheapflights users on 5/19. 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.
Tue 6/210:27 am
TTN
- STL
1 stop14h 30m
Frontier
Tue 6/94:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/19![Frontier logo]()
$262
This Expedia deal was found by Cheapflights users on 5/19. 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.
Tue 6/168:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Tue 6/234:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/19![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 5/20. 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 8/38:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Thu 8/64:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/20![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 5/18. 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 6/110:27 am
TTN
- STL
1 stop14h 30m
Frontier
Thu 6/44:19 pm
STL
- TTN
1 stop16h 23m
Frontier
Deal found 5/18![Frontier logo]()
$280
Last-minute flights from Trenton to St. LouisDiscover last-minute flight deals from Trenton to St. Louis. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to St. Louis. Data last updated May 22, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/19. 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.
Tue 6/210:27 am
TTN
- STL
1 stop14h 30m
Frontier
Tue 6/94:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/19![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 5/18. 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.
Sat 6/610:27 am
TTN
- STL
1 stop14h 30m
Frontier
Tue 6/94:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/18![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 5/19. 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.
Wed 6/1010:42 am
TTN
- STL
1 stop14h 07m
Frontier
Thu 6/114:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/19![Frontier logo]()
$249
This Orbitz deal was found by Cheapflights users on 5/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:42 am
TTN
- STL
1 stop14h 07m
Frontier
Sun 6/144:17 pm
STL
- TTN
1 stop26h 31m
Frontier
Deal found 5/17![Frontier logo]()
$277
This Expedia deal was found by Cheapflights users on 5/21. 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.
Thu 6/119:22 am
TTN
- STL
1 stop15h 27m
Frontier
Sat 6/134:17 pm
STL
- TTN
1 stop15h 17m
Frontier
Deal found 5/21![Frontier logo]()
$263
This Expedia deal was found by Cheapflights users on 5/21. 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.
Thu 6/119:22 am
TTN
- STL
1 stop15h 27m
Frontier
Fri 6/124:17 pm
STL
- TTN
1 stop27h 35m
Frontier
Deal found 5/21![Frontier logo]()
$269
This Expedia deal was found by Cheapflights users on 5/18. 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.
Sat 6/139:37 pm
TTN
- STL
1 stop27h 12m
Frontier
Tue 6/164:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/18![Frontier logo]()
$204
This CheapOair deal was found by Cheapflights users on 5/22. 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 6/158:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Mon 6/224:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/22![Frontier logo]()
$278
This Expedia deal was found by Cheapflights users on 5/19. 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.
Tue 6/168:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Tue 6/234:17 pm
STL
- TTN
1 stop16h 40m
Frontier
Deal found 5/19![Frontier logo]()
$270
This Expedia deal was found by Cheapflights users on 5/21. 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.
Sun 6/218:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Wed 6/244:17 pm
STL
- TTN
1 stop15h 17m
Frontier
Deal found 5/21![Frontier logo]()
$250
This Super.com deal was found by Cheapflights users on 5/19. 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.
Tue 6/308:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Thu 7/164:09 pm
STL
- TTN
1 stop16h 49m
Frontier
Deal found 5/19![Frontier logo]()
$261
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 May 22, 2026.
Search for one-way flight options from Trenton to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Super.com deal was found by Cheapflights users on 5/18. 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.
Mon 6/88:31 pm
TTN
- STL
1 stop28h 18m
Frontier
Deal found 5/18![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 5/21. 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 6/118:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Deal found 5/21![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 5/20. 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.
Tue 6/98:33 pm
TTN
- STL
1 stop28h 16m
Frontier
Deal found 5/20![Frontier logo]()
$139
This Expedia deal was found by Cheapflights users on 5/18. 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 7/2410:43 am
TTN
- STL
1 stop14h 16m
Frontier
Deal found 5/18![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 5/19. 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 7/238:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Deal found 5/19![Frontier logo]()
$145
This Mytrip deal was found by Cheapflights users on 5/19. 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 8/98:33 pm
TTN
- STL
1 stop28h 26m
Frontier
Deal found 5/19![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 5/19. 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 6/410:27 am
TTN
- STL
1 stop25h 02m
Frontier
Deal found 5/19![Frontier logo]()
$159
This Expedia deal was found by Cheapflights users on 5/17. 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.
Sat 7/259:37 pm
TTN
- STL
1 stop27h 22m
Frontier
Deal found 5/17![Frontier logo]()
$165
This Mytrip deal was found by Cheapflights users on 5/20. 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.
Sat 8/89:37 pm
TTN
- STL
1 stop27h 22m
Frontier
Deal found 5/20![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 5/18. 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.
Tue 5/2610:27 am
TTN
- STL
1 stop14h 30m
Frontier
Deal found 5/18![Frontier logo]()
$169
This Booking.com deal was found by Cheapflights users on 5/18. 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 5/2810:27 am
TTN
- STL
1 stop14h 30m
Frontier
Deal found 5/18![Frontier logo]()
$177
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 May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Orbitz) |
One-way from | $114 (Super.com) |
Popular in | April |
Cheapest in | August |
Average price | $392 |
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 May 22, 2026.
Use the filters below to find and compare flights from Trenton to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Sat 8/1
9:37 pm-11:59 pm
1 stop27h 22m
Lambert-St Louis
Mon 8/3
4:09 pm-9:58 am
1 stop16h 49m
$223
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Sat 8/8
9:37 pm-11:59 pm
1 stop27h 22m
Lambert-St Louis
Wed 8/12
4:09 pm-7:48 pm
1 stop26h 39m
$240
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Wed 7/8
8:33 pm-11:59 pm
1 stop28h 26m
Lambert-St Louis
Tue 7/14
4:09 pm-9:58 am
1 stop16h 49m
$240
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Sat 6/6
10:27 am-11:57 pm
1 stop14h 30m
Lambert-St Louis
Tue 6/9
4:17 pm-9:57 am
1 stop16h 40m
$242
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Mon 6/15
8:33 pm-11:49 pm
1 stop28h 16m
Lambert-St Louis
Wed 6/17
4:17 pm-8:34 am
1 stop15h 17m
$249
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Sun 7/12
6:05 am-11:59 pm
1 stop18h 54m
Lambert-St Louis
Wed 7/15
4:09 pm-8:38 am
1 stop15h 29m
$250
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Sat 8/8
9:37 pm-11:59 pm
1 stop27h 22m
Lambert-St Louis
Thu 8/13
4:09 pm-9:58 am
1 stop16h 49m
$254
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Wed 8/12
8:33 pm-11:59 pm
1 stop28h 26m
Lambert-St Louis
Sun 8/16
4:09 pm-9:58 am
1 stop16h 49m
$260
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Tue 6/2
10:27 am-11:57 pm
1 stop14h 30m
Lambert-St Louis
Tue 6/9
4:17 pm-9:57 am
1 stop16h 40m
$262
TrentonSt. Louis
TTN - STL
TTNSTL
Trenton-Mercer
Tue 6/16
8:33 pm-11:49 pm
1 stop28h 16m
Lambert-St Louis
Tue 6/23
4:17 pm-9:57 am
1 stop16h 40m
$270
Showing 1-10 of 21 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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.
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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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