£352 Find Cheap Flights from Boston to Belfast

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Belfast departing on 31/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Belfast, as well as popular online travel agencies
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Cheap Flight Deals from Logan Intl to Belfast (BOS-BHD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Logan Intl to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Boston to Belfast

Recommended return deals departing in the coming months from the most popular airlines that fly from Boston to Belfast.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
18:20 - 20:05BOS-BFS
20h 45m2 stops
05:45 - 17:00BFS-BOS
16h 15m2 stops
Thu, 27 Feb - Mon, 3 Mar
12:35 - 19:30BOS-BFS
26h 55m2 stops
07:40 - 18:45BFS-BOS
15h 05m2 stops
Thu, 13 Mar - Thu, 20 Mar
11:35 - 19:30BOS-BFS
26h 55m3 stops
21:05 - 17:00BFS-BOS
24h 55m2 stops
Thu, 27 Feb - Mon, 3 Mar
21:15 - 14:00BOS-BHD
12h 45m1 stop
08:40 - 22:55BHD-BOS
18h 15m1 stop
£496British Airways
Find Deal
Thu, 13 Mar - Tue, 18 Mar
22:00 - 16:35BOS-BHD
13h 35m1 stop
09:10 - 19:35BHD-BOS
15h 25m1 stop
£507British Airways
Find Deal
Wed, 5 Feb - Sun, 9 Feb
21:15 - 20:20BOS-BHD
19h 05m1 stop
06:35 - 22:55BHD-BOS
20h 20m1 stop
£514Finnair
Find Deal
Thu, 13 Mar - Thu, 20 Mar
20:00 - 19:15BOS-BHD
18h 15m1 stop
06:30 - 21:55BHD-BOS
20h 25m1 stop
£526Finnair
Find Deal
Fri, 28 Feb - Sun, 9 Mar
19:23 - 13:30BOS-BHD
13h 07m2 stops
06:50 - 12:25BHD-BOS
10h 35m1 stop
£550American Airlines
Find Deal
Wed, 9 Apr - Sun, 20 Apr
21:25 - 17:30BOS-BHD
15h 05m2 stops
19:30 - 14:40BHD-BOS
24h 10m2 stops
£729Aer Lingus
Find Deal
Tue, 8 Apr - Sat, 19 Apr
21:25 - 15:35BOS-BHD
13h 10m2 stops
07:00 - 09:21BHD-BOS
31h 21m2 stops
£739Aer Lingus
Find Deal
Wed, 9 Apr - Sun, 20 Apr

Flights from Boston to Belfast - Travel Insights & Trends

Get data-powered insights and trends into flights from Boston to Belfast to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Boston to Belfast?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest return tickets from Boston to Belfast were found on British Airways (£496) and Finnair (£514).

Good to know - Cheap tickets from Boston to Belfast

Cheapest flight

£352
Flight from Boston to Belfast City Airport

When to book flights from Boston to Belfast

Are your dates flexible? Find out the best times to travel from Boston to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Belfast

  • What is the cheapest flight from Boston to Belfast?

    In the last 3 days, the lowest price for a flight from Boston to Belfast was £431 for a one-way ticket and £547 for a return.

  • Which airports will I be using when flying from Boston to Belfast?

    On your way to Belfast, you’ll fly out from Boston Logan Intl. You’ll be landing in one of Belfast’s 2 airports: Belfast Intl or Belfast City.

  • Which aircraft models fly most regularly from Boston to Belfast?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Belfast?

    oneworld, and SkyTeam are the airline alliances operating flights between Boston and Belfast, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Boston to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Everything you need to know for your flight from Boston to Belfast

Information on your arrival and departure airports

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