$125+ Cheap flights from Trenton, NJ (TTN) to Colorado
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — DEN
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Trenton to Colorado 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 Colorado
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Cheapest flights from Trenton to ColoradoExplore the most affordable flight options available from Trenton to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Trenton to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2211:24 am -
1 stop12h 47m
Sat 10/246:40 am -
1 stop10h 14m
Deal found 9/10![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2211:24 am -
1 stop12h 47m
Fri 10/306:40 am -
1 stop10h 35m
Deal found 9/10![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2311:24 am -
1 stop13h 06m
Sat 10/246:40 am -
1 stop10h 14m
Deal found 9/10![Frontier logo]()
$254
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/14:10 pm -
1 stop7h 58m
Sat 10/317:02 pm -
1 stop23h 13m
Deal found 9/9![Frontier logo]()
$256
This Expedia deal was found by Cheapflights users on 9/10. 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 10/14:10 pm -
1 stop17h 58m
Fri 10/27:12 pm -
1 stop21h 30m
Deal found 9/10![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2311:24 am -
1 stop13h 06m
Fri 10/306:40 am -
1 stop10h 35m
Deal found 9/10![Frontier logo]()
$265
Best flights from Trenton to ColoradoDiscover carefully curated flight deals from Trenton to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Trenton to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2211:24 am -
1 stop12h 47m
Sat 10/246:40 am -
1 stop10h 14m
Deal found 9/10![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2311:24 am -
1 stop13h 06m
Fri 10/306:40 am -
1 stop10h 35m
Deal found 9/10![Frontier logo]()
$265
This Travelocity deal was found by Cheapflights users on 9/10. 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 11/209:52 pm -
1 stop12h 47m
Thu 11/266:58 pm -
1 stop23h 59m
Deal found 9/10![Frontier logo]()
$294
This Expedia deal was found by Cheapflights users on 9/9. 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 10/1811:24 am -
1 stop22h 53m
Sat 10/246:40 am -
1 stop10h 14m
Deal found 9/9![Frontier logo]()
$304
This Expedia deal was found by Cheapflights users on 9/12. 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 10/37:39 pm -
1 stop13h 58m
Sat 10/176:56 pm -
1 stop13h 43m
Deal found 9/12![Frontier logo]()
$306
This Orbitz deal was found by Cheapflights users on 9/8. 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.
Fri 11/209:52 pm -
1 stop23h 45m
Mon 11/2311:59 pm -
1 stop8h 35m
Deal found 9/8![Frontier logo]()
$332
This Expedia deal was found by Cheapflights users on 9/8. 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 10/267:39 pm -
1 stop26h 21m
Fri 10/307:02 pm -
1 stop22h 13m
Deal found 9/8![Frontier logo]()
$332
This Expedia deal was found by Cheapflights users on 9/7. 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 9/287:39 pm -
1 stop14h 13m
Sat 10/36:40 am -
1 stop10h 02m
Deal found 9/7![Frontier logo]()
$338
This Expedia deal was found by Cheapflights users on 9/11. 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 10/2211:24 am -
1 stop12h 47m
Mon 10/266:40 am -
1 stop10h 14m
Deal found 9/11![Frontier logo]()
$364
This Travelocity deal was found by Cheapflights users on 9/9. 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 9/257:39 pm -
1 stop14h 13m
Tue 9/297:12 pm -
1 stop21h 30m
Deal found 9/9![Frontier logo]()
$370
This Expedia deal was found by Cheapflights users on 9/11. 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 10/1511:24 am -
1 stop22h 53m
Mon 10/196:40 am -
1 stop10h 14m
Deal found 9/11![Frontier logo]()
$379
This Expedia deal was found by Cheapflights users on 9/7. 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 9/244:10 pm -
1 stop7h 58m
Sun 9/276:56 pm -
1 stop23h 03m
Deal found 9/7![Frontier logo]()
$380
Last-minute flights from Trenton to ColoradoDiscover last-minute flight deals from Trenton to Colorado. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to Colorado. Data last updated September 12, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/14:10 pm -
1 stop7h 58m
Sat 10/317:02 pm -
1 stop23h 13m
Deal found 9/9![Frontier logo]()
$256
This Expedia deal was found by Cheapflights users on 9/10. 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 10/14:10 pm -
1 stop17h 58m
Fri 10/27:12 pm -
1 stop21h 30m
Deal found 9/10![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2211:24 am -
1 stop12h 47m
Sat 10/246:40 am -
1 stop10h 14m
Deal found 9/10![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2211:24 am -
1 stop12h 47m
Fri 10/306:40 am -
1 stop10h 35m
Deal found 9/10![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2311:24 am -
1 stop13h 06m
Sat 10/246:40 am -
1 stop10h 14m
Deal found 9/10![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2311:24 am -
1 stop13h 06m
Fri 10/306:40 am -
1 stop10h 35m
Deal found 9/10![Frontier logo]()
$265
One-way flights from Trenton to ColoradoSearch for one-way flight options from Trenton to Colorado. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Trenton to Colorado. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Super.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/107:39 pm -
1 stop14h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2211:24 am -
1 stop12h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$127
This Travelocity deal was found by Cheapflights users on 9/9. 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.
Wed 12/911:23 am -
1 stop31h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:39 pm -
2 stops27h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/27:39 pm -
1 stop14h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 9/10. 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 10/2311:24 am -
1 stop13h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 9/9. 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 10/58:44 pm -
1 stop13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:39 pm -
3 stops46h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:39 pm -
3 stops39h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$509
Find flight deals from Trenton to Colorado
Keep the following information in mind while searching for Trenton to Colorado flight deals. Data was last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Frontier) |
One-way from | $125 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $344 |
Cheapflights Fare Finder
Customize your flight search to find flights from Trenton to Colorado 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 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Trenton to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Sat 10/3
7:39 pm-7:37 am
1 stop13h 58m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$125
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Thu 10/22
11:24 am-10:11 pm
1 stop12h 47m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$127
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Fri 10/23
11:24 am-10:30 pm
1 stop13h 06m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$138
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Mon 10/5
8:44 pm-8:08 am
1 stop13h 24m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$147
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Mon 11/16
8:01 pm-8:13 am
1 stop14h 12m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Thu 10/15
11:24 am-8:17 am
1 stop22h 53m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Wed 10/7
7:39 pm-7:52 am
1 stop14h 13m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$172
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Sat 9/26
7:39 pm-7:37 am
1 stop13h 58m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$183
Quickest round-trip
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Sun 9/27
4:10 pm-10:08 pm
1 stop7h 58m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$187
TrentonDenver
TTN Trenton-Mercer - DEN Denver Intl
TTNDEN
Trenton-Mercer
Thu 10/22
11:24 am-10:11 pm
1 stop12h 47m
Denver Intl
Sat 10/24
6:40 am-6:54 pm
1 stop10h 14m
$243
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Trenton to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Trenton with our price prediction graph.
TTN-DEN
TTN-COS
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 Colorado
TTN-USCO
TTN-DEN
TTN-COS
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated September 12, 2026.
Read through reviews of airlines operating flights from Trenton to Colorado, such as Frontier. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
5.6
Comfort
5.4
Food
4.5
Entertainment
4.2
Boarding
5.9
Crew
6.5
Reviews
1 / 20
2.0
MediocreShri,Feb 2026
MCO - DEN
Overall
5.6
Comfort
5.4
Food
4.5
Entertainment
4.2
Boarding
5.9
Crew
6.5
Reviews
1 / 20
2.0
MediocreShri,Feb 2026
MCO - DEN
Related info for your journey
Find useful and relevant information for your journey from Trenton to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Trenton and Colorado flights
Browse other Trenton and Colorado flight options. Last updated on September 12, 2026.
Popular flight searches
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Trenton to Colorado flights
Consider these flights traveling from Trenton to Colorado.
Top airline flying from Trenton to Colorado
Discover the top airline that operate flights from Trenton to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$166 | Average$381 | FlexibilityNo cancel fee | On-time62% |