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$76+ Cheap flights from Trenton, NJ to Denver (TTN - DEN)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — DEN
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Trenton to Denver

Cheapest flights from Trenton to Denver
Explore the most affordable flight options available from Trenton to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 amTTN - DEN
1 stop18h 54mFrontier
Tue 1/66:33 pmDEN - TTN
1 stop25h 23mFrontier
Deal found 12/22$313
This CheapOair deal was found by Cheapflights users on 12/22. 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.
Tue 12/309:59 pmTTN - DEN
1 stop27h 05mFrontier
Sun 1/411:59 pmDEN - TTN
1 stop22h 00mFrontier
Deal found 12/22$343
This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 amTTN - DEN
1 stop18h 54mFrontier
Mon 1/55:59 pmDEN - TTN
1 stop25h 57mFrontier
Deal found 12/22$363
This Gotogate deal was found by Cheapflights users on 12/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 amTTN - DEN
1 stop18h 54mFrontier
Sun 1/411:59 pmDEN - TTN
1 stop22h 00mFrontier
Deal found 12/22$397
This CheapOair deal was found by Cheapflights users on 12/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:06 pmTTN - DEN
1 stop22h 48mFrontier
Wed 12/3111:59 pmDEN - TTN
1 stop22h 00mFrontier
Deal found 12/21$434
This Booking.com deal was found by Cheapflights users on 12/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:06 pmTTN - DEN
1 stop22h 48mFrontier
Mon 12/2911:59 pmDEN - TTN
1 stop19h 15mFrontier
Deal found 12/20$478
This Booking.com deal was found by Cheapflights users on 12/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:59 pmTTN - DEN
1 stop21h 12mFrontier
Thu 1/811:59 pmDEN - TTN
1 stop22h 00mFrontier
Deal found 12/22$624
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:59 pmTTN - DEN
1 stop27h 05mFrontier
Sat 1/39:24 amDEN - TTN
1 stop12h 35mFrontier
Deal found 12/21$626
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:21 pmTTN - DEN
1 stop13h 03mFrontier
Thu 1/16:05 amDEN - TTN
2 stops13h 09mFrontier
Deal found 12/21$666
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:21 pmTTN - DEN
1 stop13h 03mFrontier
Fri 1/28:05 amDEN - TTN
2 stops37h 54mFrontier
Deal found 12/21$720

Find flight deals from Trenton to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to Denver (DEN). 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$166
(CheapOair)

One-way from

$80
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$377
Provider with most accurate pricing for Trenton-Mercer-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trenton-Mercer-Denver Intl flights.
Search Deals
From Trenton-Mercer to Denver Intl
Search Deals
One-way flight from Trenton-Mercer to Denver Intl
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to Denver 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 December 23, 2025.
Use the filters below to find and compare flights from Trenton to Denver that are best for you.

Fly from

Trenton

Fly to

Denver

Route

Depart

Return

Price

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Wed 1/21

3:21 pm-5:36 pm

1 stop28h 15m

Denver Intl

Wed 1/28

6:32 pm-7:48 pm

1 stop23h 16m

$166

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Thu 1/8

2:32 pm-10:59 pm

1 stop10h 27m

Denver Intl

Tue 1/13

11:30 am-9:44 pm

1 stop8h 14m

$182

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Tue 2/3

3:21 pm-10:00 am

1 stop20h 39m

Denver Intl

Mon 2/9

7:00 am-11:59 pm

1 stop14h 59m

$183

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Thu 2/26

10:31 am-7:55 am

1 stop23h 24m

Denver Intl

Mon 3/2

11:59 pm-11:39 pm

1 stop21h 40m

$183

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Wed 1/21

3:21 pm-5:36 pm

1 stop28h 15m

Denver Intl

Sun 1/25

1:28 pm-7:32 pm

1 stop28h 04m

$201

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Mon 1/12

6:00 am-10:30 am

1 stop30h 30m

Denver Intl

Sat 1/17

11:30 am-9:38 pm

1 stop8h 08m

$202

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Sat 1/10

8:00 am-5:33 pm

1 stop11h 33m

Denver Intl

Tue 1/13

11:30 am-9:44 pm

1 stop8h 14m

$203

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Mon 2/2

8:27 pm-5:36 pm

1 stop23h 09m

Denver Intl

Thu 2/5

6:32 pm-6:38 pm

1 stop22h 06m

$204

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Thu 2/5

8:38 pm-12:28 pm

1 stop17h 50m

Denver Intl

Tue 2/10

6:00 am-11:39 pm

2 stops15h 39m

$204

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Thu 1/8

2:32 pm-10:59 pm

1 stop10h 27m

Denver Intl

Sun 1/11

9:44 am-7:13 pm

1 stop7h 29m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 23 results
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Compare providers for flights from Trenton to Denver

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 Denver in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trenton, New Jersey-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Trenton, New Jersey-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trenton, New Jersey-Denver flights, Cheapflights users trust eDreams the most. eDreams 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-Denver 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 Denver

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

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

Currently, October is the cheapest month in which you can book a flight from Trenton, New Jersey to Denver (average of $88). Flying from Trenton, New Jersey to Denver in June is currently the most expensive (average of $138). 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.

What is the cheapest time of day to fly from TTN to DEN?

Find hourly flight availability from Trenton to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s optimal to fly from Trenton, New Jersey to Denver in the evening. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated December 23, 2025.
See what other customers who have flown with Frontier from Trenton to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Frontier
5.8
Fair
3,074 reviews

Entertainment

4.4

Crew

6.7

Overall

5.8

Boarding

6.0

Food

4.6

Comfort

5.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

ATL - MDW

Flight was canceled. Late notification and limited help with booking another flight.
Frontier
5.8
Fair
3,074 reviews
Frontier
5.8
Fair
3,074 reviews

Entertainment

4.4

Crew

6.7

Overall

5.8

Boarding

6.0

Food

4.6

Comfort

5.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

ATL - MDW

Flight was canceled. Late notification and limited help with booking another flight.

Related info for your journey

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

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

    Airlines like Frontier fly from Trenton, New Jersey to Denver in about 28h 15m. The time it takes to get you to your destination can typically vary by up to . The distance between Trenton, New Jersey and Denver is about 1571 mi.

  • What is the cheapest airline to fly from Trenton, New Jersey to Denver round-trip?

    Our cheapest airline available from Trenton, New Jersey to Denver is Frontier. Our recent data shows that you can find tickets from as low as $108 on this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trenton to Denver 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 Denver?

    Currently, October is the cheapest month in which you can book a flight from Trenton, New Jersey to Denver (average of $88). Flying from Trenton, New Jersey to Denver in June is currently the most expensive (average of $138). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

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Alternative routes for Trenton to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Trenton to Denver

Discover the top airline that operate flights from Trenton to Denver. 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 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$207FlexibilityNo cancel feeOn-time62%

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