$443 Find Cheap Flights from Belfast to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast to Boston departing on 3/1. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Boston, 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 Belfast to Boston, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$636
Multiple Airlines
Mon 1/26Mon 2/2
BFS - BOS • 2 stops
Cheapest one-way
$439
Multiple Airlines
Sun 3/1
BHD - BOS • 2 stops
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We hope you love your trip to Boston!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Belfast to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Belfast to Boston 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Belfast to Boston

Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
6:30 am - 5:50 pm
BFS
-
BOS
16h 20m2 stops
Multiple Airlines Logo
7:50 pm - 8:10 pm
BOS
-
BFS
19h 20m2 stops
$636Multiple Airlines
Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
9:40 am - 2:45 pm
BFS
-
BOS
34h 05m3 stops
Multiple Airlines Logo
7:00 am - 8:10 pm
BOS
-
BFS
32h 10m2 stops
$667Multiple Airlines
Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
9:40 am - 2:45 pm
BFS
-
BOS
34h 05m3 stops
Multiple Airlines Logo
5:34 am - 8:10 pm
BOS
-
BFS
33h 36m3 stops
$685Multiple Airlines
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
8:00 pm - 7:50 pm
BHD
-
BOS
28h 50m2 stops
British Airways Logo
6:55 pm - 10:40 am
BOS
-
BHD
10h 45m1 stop
$734British Airways
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
8:00 pm - 7:50 pm
BHD
-
BOS
28h 50m2 stops
British Airways Logo
6:55 pm - 10:40 am
BOS
-
BHD
10h 45m1 stop
$738British Airways
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
9:05 am - 7:45 pm
BHD
-
BOS
15h 40m1 stop
British Airways Logo
9:35 pm - 2:15 pm
BOS
-
BHD
11h 40m1 stop
$742British Airways
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
11:05 am - 9:55 pm
BHD
-
BOS
15h 50m1 stop
British Airways Logo
6:55 pm - 10:40 am
BOS
-
BHD
10h 45m1 stop
$745British Airways
Tue, Mar 24 - Sun, Mar 29
British Airways Logo
8:45 am - 8:45 pm
BHD
-
BOS
16h 00m1 stop
British Airways Logo
9:55 pm - 2:40 pm
BOS
-
BHD
11h 45m1 stop
$769British Airways
Tue, Mar 24 - Sun, Mar 29
Multiple Airlines Logo
10:00 am - 4:55 pm
BHD
-
BOS
10h 55m1 stop
Multiple Airlines Logo
10:13 pm - 12:55 pm
BOS
-
BHD
33h 42m2 stops
$786Multiple Airlines
Tue, Mar 24 - Sun, Mar 29
British Airways Logo
8:45 am - 7:36 pm
BHD
-
BOS
14h 51m2 stops
British Airways Logo
10:13 pm - 8:50 am
BOS
-
BHD
29h 37m2 stops
$799British Airways
Useful Info

Good to know

Cheapest flight$439
Flight from Belfast City Airport to Boston

When to book flights from Belfast to Boston

Are your dates flexible? Find out the best times to travel from Belfast to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 Belfast to Boston

  • What is the cheapest flight from Belfast to Boston?

    In the last 3 days, the lowest price for a flight from Belfast to Boston was $336 for a one-way ticket and $636 for a round-trip.

  • Do I need a passport to fly between Belfast and Boston?

    A passport is required to fly from Belfast to Boston.

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

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

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

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

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

    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 Belfast to Boston.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Belfast 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 Belfast to Boston?

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

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

    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 Boston from Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

Boston (BOS)