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Cheap flights from Trenton, New Jersey to Dublin from $540

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trenton, New Jersey to Dublin departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Trenton, New Jersey to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:15 pm - 5:15 am
TTN
-
DUB
29h 00m2 stops
Multiple Airlines Logo
11:25 am - 5:35 pm
DUB
-
TTN
35h 10m2 stops
$806Multiple Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
7:15 pm - 5:15 am
TTN
-
DUB
29h 00m2 stops
Multiple Airlines Logo
11:25 am - 5:35 pm
DUB
-
TTN
35h 10m3 stops
$906Multiple Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
8:45 am - 9:00 am
TTN
-
DUB
19h 15m1 stop
Multiple Airlines Logo
11:30 am - 8:36 am
DUB
-
TTN
26h 06m2 stops
$1,172Multiple Airlines
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
8:45 am - 9:00 am
TTN
-
DUB
19h 15m1 stop
Multiple Airlines Logo
1:45 pm - 8:36 am
DUB
-
TTN
23h 51m1 stop
$1,332Multiple Airlines
Sat, Jan 17 - Sat, Jan 24

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey to Dublin 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Trenton, New Jersey to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonDublin

TTN - DUB

TTNDUB

Trenton-Mercer

Sun 3/1

7:15 pm-5:15 am

2 stops29h 00m

Dublin

Sat 3/7

11:25 am-5:35 pm

2 stops35h 10m

$806

TrentonDublin

TTN - DUB

TTNDUB

Trenton-Mercer

Sun 3/1

7:15 pm-5:15 am

2 stops29h 00m

Dublin

Sat 3/7

11:25 am-5:35 pm

3 stops35h 10m

$906

TrentonDublin

TTN - DUB

TTNDUB

Trenton-Mercer

Sat 1/17

8:45 am-9:00 am

1 stop19h 15m

Dublin

Sat 1/24

11:30 am-8:36 am

2 stops26h 06m

$1,172

TrentonDublin

TTN - DUB

TTNDUB

Trenton-Mercer

Sat 1/17

8:45 am-9:00 am

1 stop19h 15m

Dublin

Sat 1/24

1:45 pm-8:36 am

1 stop23h 51m

$1,332

TrentonDublin

TTN - DUB

TTNDUB

Trenton-Mercer

Thu 3/12

7:15 pm-6:10 am

2 stops30h 55m

$540

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Trenton, New Jersey to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Trenton, New Jersey to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $605. Flights from Trenton, New Jersey to Dublin on a Saturday will generally be more expensive and average around $663. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

In the morning is the cheapest time of day to fly from Trenton, New Jersey to Dublin when you can find flight prices for as low as $609. Flying to Dublin in the morning is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $663.

When to book flights from Trenton, New Jersey to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Trenton, New Jersey to Dublin (TTN to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to Dublin

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Trenton, New Jersey to Dublin takes 19h 15m
There are no direct flights from Trenton, New Jersey to Dublin. There are no popular flight routes from Trenton, New Jersey to Dublin.
Search flight deals

  • How far is Trenton-Mercer to Dublin by plane?

    The distance between Trenton-Mercer and Dublin is about 3228.2 mi. A reasonable flight in good conditions will take 19h 15m.

  • When did momondo last update prices for flights from Trenton-Mercer Airport to Dublin Airport?

    Prices for flights from Trenton-Mercer Airport to Dublin Airport were last updated today.

  • How old do you have to be to fly from Trenton-Mercer Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trenton-Mercer Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Swords
Dundalk
Malahide
Maynooth
Bray
Kildare
Mullingar
Drogheda
Naas
Arklow
Cavan
Castleknock
Wicklow
Leixlip
Thurles
Slane

Why use momondo?

Why should I use momondo to find a flight deal from Trenton to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Trenton to Dublin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Trenton to Dublin with flexible booking policies on momondo?

All flight searches from Trenton to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Trenton to Dublin?

Once you have performed a search for Trenton to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Trenton to Dublin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Dublin from Trenton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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