$1,067+ Cheap flights from Trenton, NJ (TTN) to Ireland
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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — DUB
Mar 5 — Mar 121
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Trenton to Ireland 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ireland
Cheapest
Best
Last-minute
Cheapest flights from Trenton to IrelandExplore the most affordable flight options available from Trenton to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Trenton to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/196:00 am
TTN
- DUB
1 stop23h 00m
Multiple Airlines
Thu 3/2610:30 am
DUB
- TTN
2 stops31h 49m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,067
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/28:27 pm
TTN
- DUB
1 stop31h 33m
Multiple Airlines
Mon 2/911:30 am
DUB
- TTN
2 stops41h 09m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,279
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/28:27 pm
TTN
- DUB
1 stop31h 33m
Multiple Airlines
Sun 2/84:40 pm
DUB
- TTN
2 stops36h 19m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,501
Best flights from Trenton to IrelandDiscover carefully curated flight deals from Trenton to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Trenton to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/196:00 am
TTN
- DUB
1 stop23h 00m
Multiple Airlines
Thu 3/2610:30 am
DUB
- TTN
2 stops31h 49m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,067
Last-minute flights from Trenton to IrelandDiscover last-minute flight deals from Trenton to Ireland. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to Ireland. Data last updated February 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/28:27 pm
TTN
- DUB
1 stop31h 33m
Multiple Airlines
Mon 2/911:30 am
DUB
- TTN
2 stops41h 09m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,279
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/28:27 pm
TTN
- DUB
1 stop31h 33m
Multiple Airlines
Sun 2/84:40 pm
DUB
- TTN
2 stops36h 19m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,501
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/196:00 am
TTN
- DUB
1 stop23h 00m
Multiple Airlines
Thu 3/2610:30 am
DUB
- TTN
2 stops31h 49m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,067
Find flight deals from Trenton to Ireland
Keep the following information in mind while searching for Trenton to Ireland flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,067 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $494 |
Cheapflights Fare Finder
Customize your flight search to find flights from Trenton to Ireland 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 February 3, 2026.
Use the filters below to find and compare flights from Trenton to Ireland that are best for you.
Fly from
Trenton
Fly to
Ireland
Route
Depart
Return
Price
TrentonDublin
TTN - DUB
TTNDUB
Trenton-Mercer
Thu 3/19
6:00 am-9:00 am
1 stop23h 00m
Dublin
Thu 3/26
10:30 am-2:19 pm
2 stops31h 49m
$1,067
Best time to book a flight from Trenton to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Trenton with our price prediction graph.
TTN-DUB
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 Ireland
TTN-IE0
TTN-DUB
What is the cheapest month to book a flight from Trenton, New Jersey to Ireland?
Currently, February is the cheapest month in which you can book a flight from Trenton, New Jersey to Ireland (average of $242). Flying from Trenton, New Jersey to Ireland in June is currently the most expensive (average of $433). 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.