$173+ Cheap flights from Portland to Trenton, NJ (PDX - TTN)
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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — TTN
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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 Portland to Trenton
One-way
One-way flights from Portland to TrentonSearch for one-way flight options from Portland to Trenton. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Portland to Trenton. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:02 pm -
2 stops28h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$173
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:45 pm -
2 stops13h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$397
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:45 pm -
2 stops13h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$431
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:15 pm -
2 stops16h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$878
This Frontier deal was found by Cheapflights users on 9/6. 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.
Wed 10/2811:15 pm -
2 stops17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$896
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.
Wed 11/1110:22 pm -
2 stops17h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$995
Find flight deals from Portland to Trenton
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Trenton (TTN). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | December |
Cheapest in | February |
Average price | $394 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Trenton 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 10, 2026.
Use the filters below to find and compare flights from Portland to Trenton that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandTrenton
PDX Portland - TTN Trenton-Mercer
PDXTTN
Portland
Thu 10/29
12:02 pm-7:15 pm
2 stops28h 13m
Trenton-Mercer
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$173
Quickest round-trip
PortlandTrenton
PDX Portland - TTN Trenton-Mercer
PDXTTN
Portland
Thu 12/3
5:45 pm-10:28 am
2 stops13h 43m
Trenton-Mercer
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$397
PortlandTrenton
PDX Portland - TTN Trenton-Mercer
PDXTTN
Portland
Fri 12/4
5:45 pm-10:28 am
2 stops13h 43m
Trenton-Mercer
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$431
PortlandTrenton
PDX Portland - TTN Trenton-Mercer
PDXTTN
Portland
Wed 10/7
11:15 pm-6:54 pm
2 stops16h 39m
Trenton-Mercer
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$878
PortlandTrenton
PDX Portland - TTN Trenton-Mercer
PDXTTN
Portland
Wed 10/28
11:15 pm-7:15 pm
2 stops17h 00m
Trenton-Mercer
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$896
PortlandTrenton
PDX Portland - TTN Trenton-Mercer
PDXTTN
Portland
Wed 11/11
10:22 pm-7:15 pm
2 stops17h 53m
Trenton-Mercer
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$995
Sorted by cheapest first
Best time to book a flight from Portland to Trenton
Have a flexible travel schedule? Discover the best time to fly to Trenton from Portland with our price prediction graph.
PDX-TTN
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 Portland to Trenton. 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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