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

Popular airlines from Logan International Airport (BOS) to Belfast International Airport (BFS)

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Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) cost?
You can find one-way and return flights from BOS to BFS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BOS to BFS ticket fares go up or down.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
The cheapest months to fly from BOS to BFS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
Enter BOS to BFS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
Republic Airlines is one of the cheapest airlines offering connecting return flights from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.), with prices starting from around £693 for flights that can be booked for departure within the next year, typically with a layover in John F. Kennedy Intl. (JFK). These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
The earliest flight from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) typically departs around 6:00 AM. This service is operated by Air Canada and Aer Lingus. Please note that this is a seasonal service, active only in July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
You'll typically find the most flights from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) on a Friday, with around 32 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include British Airways, American Airlines, and Delta. Fridays see notably more flight options compared to other days of the week, making it a popular choice for travellers.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) are in the evening, from 6pm to 9pm. Many major carriers, including British Airways, American Airlines and Aer Lingus, offer flights during this window. Many travellers prefer these times as it allows you to make the most of your day before your flight and arrive at your destination refreshed.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
Yes, you can fly business class between BOS and BFS. Airlines that offer business class service on this route include:
  • British Airways
  • American Airlines
  • Delta
  • Iberia
  • Air France
  • KLM
  • Virgin Atlantic
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Belfast (BFS) from Boston, MA (BOS)?
If you're planning to travel to Belfast from Logan International Airport (BOS), you can fly directly into Belfast International Airport (BFS). Some flights may connect through major hubs like Dublin Airport (DUB), John F. Kennedy International Airport (JFK), or Adolfo Suarez Madrid-Barajas Airport (MAD) before reaching Belfast. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.)?
If you booked your Boston, MA (BOS-Logan Intl.) to Belfast (BFS-Belfast Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Belfast Intl.
Distance
4750 km

Book with confidence

Compare flights from Boston to Belfast easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to Belfast. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Belfast Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Belfast Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BOS) to Belfast Intl. (BFS)

The easiest way to view the best deals on flights from Boston to Belfast today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Belfast Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boston and Belfast
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boston to Belfast flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Belfast Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Boston to Belfast easily and book with confidence

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