$309 Cheap Flights to Dublin Northside

There are 16 US cities you're able to fly to Dublin Northside directly from. Compare the options by using the "Direct flights only" box on Expedia and find the ideal departure point for your trip. Here are a few of the major cities to leave from:

• Boston
• New York
• Newark
• Washington
• Chicago

Book in advance or look for cheap flights to Dublin Northside during the off-season, such as December and January. Jetting off on a Thursday can also save you 16% on average compared to a Sunday flight.* The Expedia app makes it even easier to know the right time to book. Just activate the toggle for "Watch prices" and you'll get notified as soon as there's a better deal.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Secure your flight to Dublin Northside two to four months ahead if you're taking off from an international destination. For domestic travel, the recommendation is around 28 days in advance. Lower prices and a greater choice of travel dates, schedules and seating options are just some of the awesome benefits of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You'll save an average of 8% if you purchase tickets on a Sunday rather than Fridays, which tend to be the priciest day to book.* When it comes to snapping up a cheap flight to Dublin Northside, it's all about having good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

When you're ready to book your ticket to Dublin Northside, these well-known airlines are waiting to welcome you on board:

• Aer Lingus - 464 flights to Dublin Northside each month, including 464 flights to Dublin Airport (DUB) per month.
• United Airlines - 117 flights to Dublin Northside each month, including 117 flights to Dublin Airport (DUB) per month.
• Delta Air Lines - 91 flights to Dublin Northside each month, including 91 flights to Dublin Airport (DUB) per month.