$51 Cheap Flights to Belfast, ME

Choose from 6 US destinations providing direct flights to Belfast. While booking on Expedia, check the "Direct flights only" box to find nonstop itineraries. Fly to Belfast from any of these cities:

• New York
• Philadelphia
• Washington
• Orlando
• Newark

To snag cheap flights to Belfast, book early and travel during the off-season months of January and February. Like another tip? Leave on a Thursday and save around 16% on average compared to traveling on a Sunday.* Set a price alert on the Expedia app and you'll get notified as soon as your fares drop.*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.

For some of the biggest savings on domestic journeys, book your flight to Belfast 28 days ahead of your travel dates. For international flights, search for your ticket two to four months in advance. This boosts your chances of getting the departure dates and seats you want.**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.

Sundays are usually the best day to book a cheap flight to Belfast, with savings of about 8% on average compared to Fridays. If you choose to purchase on a Friday, expect to pay a higher price as this is often the most expensive day.**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.