Trip.com
>
Cheap Flights
>
United Kingdom
>
County Antrim
>
Belfast
Hotels in Belfast
>
Flights from Islip to Belfast

Islip to Belfast | Find Cheap Flight Deals

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Information from Islip to Belfast

Off-season travel month September
Peak season for travel January
Flight distance 5,044.35km

FAQ

  • When are flight tickets from Islip (ISP) to Belfast (BFS) the cheapest?

    Airlines adjust prices for flights from Islip to Belfast based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Islip (ISP) to Belfast (BFS) cost?

    According to Trip.com's data, the lowest price is around £2,225.

  • How many airports in Belfast (BFS)?

    There are 2 airport(s) in Belfast (BFS): Belfast International Airport and George Best Belfast City Airport.

How to find a cheap flight from Islip to Belfast

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Islip to Belfast. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from Islip to Belfast.
Tap "Date" on the flight search bar to browse the calendar for Islip to Belfast airfare over the next 6 months in 2025.
2
Compare cheap flight deals from Islip to Belfast across hundreds of airlines.
Use our comprehensive search to compare fares from over 500 airlines and find the most affordable flight tickets from Islip to Belfast.
3
Set up a Price Alert
By setting up a Price Alert for your journey from Islip to Belfast, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from Islip to Belfast.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Islip to Belfast and snag some exclusive deals just for you.

More Travel Options

  • Top Routes from Islip
  • Top Routes to Belfast
  • Popular Airlines