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Sky Harbor Intl

$106+ Cheap flights from Trenton, NJ (TTN) to Sky Harbor Intl (PHX)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — PHX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Trenton to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to Sky Harbor Intl (PHX). 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 September 15, 2025.

Round-trip from

$233
(CheapOair)

One-way from

$106
(Frontier)

Popular in

December

Cheapest in

January

Average price

$357
From Trenton-Mercer to Phoenix Sky Harbor Intl
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One-way flight from Trenton-Mercer to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Trenton to Sky Harbor Intl

Cheapest flights from Trenton to Sky Harbor Intl
Explore the most affordable flight options available from Trenton to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:30 amTTN - PHX
2 stops15h 24mFrontier
Sun 10/58:20 pmPHX - TTN
2 stops12h 55mFrontier
Deal found 9/14$233
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amTTN - PHX
1 stop10h 17mFrontier
Sun 10/1910:59 pmPHX - TTN
1 stop22h 00mFrontier
Deal found 9/14$234
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2911:45 amTTN - PHX
2 stops13h 43mFrontier
Fri 10/38:37 amPHX - TTN
2 stops23h 23mFrontier
Deal found 9/13$237
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:00 amTTN - PHX
2 stops17h 19mFrontier
Thu 10/307:36 pmPHX - TTN
2 stops11h 37mFrontier
Deal found 9/14$243
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:00 amTTN - PHX
1 stop12h 19mFrontier
Sun 10/2610:59 pmPHX - TTN
1 stop22h 00mFrontier
Deal found 9/14$256
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:00 amTTN - PHX
1 stop12h 19mFrontier
Sat 10/1811:00 pmPHX - TTN
1 stop8h 14mFrontier
Deal found 9/14$269
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/126:00 amTTN - PHX
1 stop10h 17mFrontier
Sun 10/2610:59 pmPHX - TTN
1 stop22h 00mFrontier
Deal found 9/15$274
This Booking.com deal was found by Cheapflights users on 9/15. 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 10/611:45 amTTN - PHX
1 stop28h 32mFrontier
Thu 10/910:59 pmPHX - TTN
1 stop22h 00mFrontier
Deal found 9/15$280
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amTTN - PHX
1 stop10h 17mFrontier
Sun 10/1910:59 pmPHX - TTN
1 stop22h 00mFrontier
Deal found 9/14$301
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/611:45 amTTN - PHX
1 stop28h 32mFrontier
Wed 10/810:59 pmPHX - TTN
1 stop22h 00mFrontier
Deal found 9/15$307
This Gotogate deal was found by Cheapflights users on 9/15. 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.
Sat 10/118:00 amTTN - PHX
1 stop10h 31mFrontier
Sat 10/1811:00 pmPHX - TTN
1 stop8h 14mFrontier
Deal found 9/15$309
This CheapOair deal was found by Cheapflights users on 9/15. 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 11/2012:44 pmTTN - PHX
1 stop12h 27mFrontier
Thu 11/2710:55 pmPHX - TTN
1 stop14h 28mFrontier
Deal found 9/15$329

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Trenton to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Trenton

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Thu 10/23

4:25 pm-3:19 pm

1 stop25h 54m

Phoenix Sky Harbor Intl

Sun 10/26

10:59 pm-11:59 pm

1 stop22h 00m

$233

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Thu 10/2

10:30 am-10:54 pm

2 stops15h 24m

Phoenix Sky Harbor Intl

Sun 10/5

8:20 pm-12:15 pm

2 stops12h 55m

$233

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Mon 9/29

11:45 am-10:28 pm

2 stops13h 43m

Phoenix Sky Harbor Intl

Fri 10/3

8:37 am-11:00 am

2 stops23h 23m

$237

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Mon 10/27

6:00 am-8:19 pm

2 stops17h 19m

Phoenix Sky Harbor Intl

Thu 10/30

7:36 pm-10:13 am

2 stops11h 37m

$243

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Fri 10/24

6:00 am-3:19 pm

1 stop12h 19m

Phoenix Sky Harbor Intl

Sun 10/26

10:59 pm-11:59 pm

1 stop22h 00m

$256

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Fri 10/17

6:00 am-3:19 pm

1 stop12h 19m

Phoenix Sky Harbor Intl

Sat 10/18

11:00 pm-10:14 am

1 stop8h 14m

$269

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Sun 10/12

6:00 am-1:17 pm

1 stop10h 17m

Phoenix Sky Harbor Intl

Sun 10/19

10:59 pm-11:59 pm

1 stop22h 00m

$301

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Mon 10/6

11:45 am-1:17 pm

1 stop28h 32m

Phoenix Sky Harbor Intl

Wed 10/8

10:59 pm-11:59 pm

1 stop22h 00m

$307

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Sat 10/11

8:00 am-3:31 pm

1 stop10h 31m

Phoenix Sky Harbor Intl

Sat 10/18

11:00 pm-10:14 am

1 stop8h 14m

$309

TrentonPhoenix

TTN - PHX

TTNPHX

Trenton-Mercer

Thu 2/19

6:10 am-10:50 pm

1 stop18h 40m

Phoenix Sky Harbor Intl

Mon 2/23

11:59 pm-10:02 pm

1 stop20h 03m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
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Best time to book a flight from Trenton to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport

What is the cheapest month to book a flight from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 PHX?

Find hourly flight availability from Trenton to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

It’s typically best to fly out from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport in the morning. Doing so could potentially save you 18% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

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

  • What airport do you fly from for flights from Trenton to Phoenix Sky Harbor Intl?

    Located just 4.8 mi from the city center, Trenton-Mercer is the airport most travelers will use when flying to Phoenix Sky Harbor Intl from Trenton. Booking flights from Trenton-Mercer (TTN) to Phoenix Sky Harbor Intl should be relatively easy as there are 0 daily outbound flights to Phoenix Sky Harbor Intl from 0 different airlines.

  • How long is the flight from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport?

    Frontier can get you from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport in just under 25h 54m. Your travel time can differ by up to . The distance between Trenton, New Jersey and Phoenix Sky Harbor Intl Airport is about 2092 mi.

  • Can I find deals for flights from Trenton to Sky Harbor Intl that include hotel bookings?

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

  • How can I find direct flights from Trenton to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Trenton to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Trenton to Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Trenton, New Jersey to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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