Cheap Flights from Boston (BOS) to Belfast (BELF)

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Compare Boston Logan International to Belfast flight deals

Find the cheapest month or even day of the year to fly to Belfast

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Flight deals from Boston Logan International to Belfast

Looking for a cheap last-minute deal or the best return flight from Boston Logan International to Belfast? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boston Logan International to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Belfast flights are currently cheapest in May.

Alternative Boston Logan International to Belfast routes

Looking for the cheapest, fastest or easiest route from Boston Logan International to Belfast? You could fly into the following airports instead.

Boston to Belfast: Flight information

The things to know before you go.
Cheapest flight found$1,069
Cheapest month to flyMay

Finding cheap flights from Boston Logan International to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Boston Logan International to Belfast is $1,069. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boston Logan International to Belfast. But we found flights with one or more stops from $1,069.
As of May 2025, there are no flights flying from Boston Logan International to Belfast.
The cheapest month to fly from Boston Logan International to Belfast is usually May 2025.
If you're flying from Boston Logan International Airport, the cheapest airport near Belfast is Belfast City – which is 3.7 km away from the centre of Belfast. We've found flights into this airport from $1,069.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Belfast on Saturday, 17 May 2025.
No airlines currently offer direct flights between Boston Logan International Airport and Belfast. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 10°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
Currently, British Airways offers the cheapest flight tickets to Belfast.

Travelling from Logan International Airport (BOS) to Belfast: what you need to know

  • Belfast is four hours ahead of Boston, where Logan International Airport is located. Belfast observes the UTC+0 timezone.

  • Give yourself plenty of time to catch your BOS to Belfast flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're heading away during a major holiday or another peak period, give yourself more time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • We make it easy to book flight tickets from BOS to Belfast with a stopover. To see all your options, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to see the sights of your chosen city. Major stopovers include:

    • London Heathrow Airport (LHR)

    • Amsterdam Airport Schiphol (AMS)

    • Charles de Gaulle Airport (CDG)

  • Located around 3 kilometres from central Boston, BOS can be reached in about 10 minutes by car. Travelling on public transport will take roughly 25 minutes.

  • Want a hassle-free start to your travels? Stay near BOS. Whether you have an early flight from Logan International Airport to Belfast or just don't want to be rushed, these hotels are just the thing:

  • Of all flights departing from Logan International Airport, 73.94% arrive as scheduled at their destination.

  • The address for BOS is One Harborside Drive.

How to find the cheapest flights from Logan International Airport (BOS) to Belfast

  • $502 is currently the lowest price for a one-way Logan International Airport to Belfast flight. Return flight tickets start from $1,069. These prices can change based on availability and demand.

  • To pick up cheap flights from BOS to Belfast, book ahead. Airlines usually offer lower fares when flights first go on sale.

  • The 'Whole month' tool will show you the cheapest tickets from Logan International Airport to Belfast across the entire month. It's a great way to snap up a bargain if your travel dates aren't set in stone.

  • You don't need to check every day to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an even better deal on cheap flights from BOS to Belfast.

  • Save money on your flight from Logan International Airport to Belfast with the help of our filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) to central Belfast takes about 30 minutes to reach by car. The centre is roughly 32 kilometres away.

  • Travelling to the centre on public transport typically takes 2 hours.

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Logan International Airport to Belfast. Stay at one of these accommodation options near BFS instead:

  • Follow your own route with a Belfast International Airport rental car. Pick up your wheels from Budget, Drivalia or Dollar and discover more of Belfast and beyond.

  • Lock in the best possible rate by reserving your vehicle from Belfast International Airport about three weeks ahead of your flight from BOS to Belfast.

George Best Belfast City Airport (BHD)

  • The centre of Belfast is around 8 kilometres from George Best Belfast City Airport (BHD). Once your flight from Logan International Airport to Belfast has hit the runway and you've navigated your way to arrivals, expect a drive of about 10 minutes.

  • If you travel by public transport, the ride to the centre will take you 20 minutes or so.

  • After stepping off your BOS to Belfast flight, kick back at a hotel near BHD. These are some great accommodation options that'll help you switch to relaxation mode:

  • Forget about inconvenient public transport timetables or waiting forever for a cab. Grab a George Best Belfast City Airport rental car and blaze your own trail. Compare rates and availability from Budget, Sixt and Alamo.

  • Get what you want, not just what's left over. Booking your ride from BHD two weeks in advance often means better prices and a bigger choice of vehicles.

Best time to go to Belfast

  • Carefully consider your dates before booking your flight from Logan International Airport to Belfast. The city buzzes in high season, but rates are usually higher and attractions can get crowded. Plan your trip to Belfast in the low season if you prefer a more relaxed vibe.

  • Lock in a Logan International Airport to Belfast flight ticket with a departure in July if you're eager to visit the city during its warmest month. Expect temperatures to range from 10ºC (50ºF) to 19ºC (66ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from BOS to Belfast in January when temperatures average between 1ºC (34ºF) and 8ºC (46ºF).

More about Belfast

  • Once you've booked your flight from Logan International Airport to Belfast, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring Belfast:

  • Every great holiday has to include some sightseeing. Crumlin Road Gaol Visitor Attraction and Conference Centre, Titanic Belfast and Botanic Gardens are must-visits when exploring Belfast.

Explore more of United Kingdom

  • You've seen Belfast, now it's time to discover more of United Kingdom. Journey around 354 kilometres south-east to Birmingham to check off its popular sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you on the go.

  • Bristol is another sought-after destination in United Kingdom and is around 418 kilometres south-east of Belfast. No trip is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.