BFS - BOS

$348 Find Cheap Flights from Belfast Intl Airport 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 Intl to Boston departing on 11/1. 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

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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41,299,237 searches in the past 7 days on KAYAK

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Flight Deals
Useful Info
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Belfast Intl 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 Intl to Boston

Thu, Oct 30 - Thu, Nov 6
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9:20 pm - 3:35 pmBFS-BOS
46h 15m3 stops
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11:35 am - 10:35 pmBOS-BFS
30h 00m2 stops
$650
Find Deal
Thu, Oct 30 - Thu, Nov 6
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3:10 pm - 4:50 pmBFS-BOS
29h 40m2 stops
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5:35 pm - 8:25 pmBOS-BFS
21h 50m2 stops
$676
Find Deal
Wed, Oct 15 - Wed, Oct 22
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9:35 am - 9:15 pmBFS-BOS
16h 40m1 stop
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9:25 pm - 10:55 pmBOS-BFS
20h 30m2 stops
$692
Find Deal
Tue, Oct 28 - Tue, Nov 4
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9:35 pm - 3:35 pmBFS-BOS
46h 00m3 stops
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9:20 pm - 4:30 pmBOS-BFS
14h 10m2 stops
$712
Find Deal
Fri, Oct 10 - Sun, Oct 12
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6:05 am - 7:50 pmBFS-BOS
18h 45m3 stops
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6:10 pm - 9:30 pmBOS-BFS
22h 20m2 stops
$752
Find Deal
Wed, Oct 15 - Wed, Oct 22
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8:40 am - 1:30 pmBFS-BOS
9h 50m1 stop
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7:30 pm - 4:40 pmBOS-BFS
16h 10m1 stop
$775
Find Deal
Tue, Oct 28 - Tue, Nov 4
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4:05 pm - 3:35 pmBFS-BOS
27h 30m2 stops
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6:05 pm - 3:15 pmBOS-BFS
16h 10m2 stops
$856
Find Deal
Fri, Oct 10 - Sun, Oct 12
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8:35 am - 6:50 pmBFS-BOS
15h 15m2 stops
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10:40 am - 3:55 pmBOS-BFS
24h 15m2 stops
$1,166
Find Deal

Everything you should know

Cheapest round-trip
$650
Multiple Airlines
Thu 10/30Thu 11/6
BFS - BOS • 3 stops
Cheapest one-way
$348
Multiple Airlines
Sat 11/1
BFS - BOS • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boston!
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$348
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Belfast Intl Airport to Boston

When to book flights from Belfast Intl to Boston

Are your dates flexible? Find out the best times to travel from Belfast Intl 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 Belfast Intl Airport to Boston flights

  • What is the cheapest flight from Belfast Intl Airport to Boston?

    In the last 3 days, the lowest price for a flight from Belfast Intl Airport to Boston was $348 for a one-way ticket and $650 for a round-trip.

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

    A passport is required to fly from Belfast Intl Airport to Boston.

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

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

  • How does KAYAK find such low prices on flights from Belfast Intl Airport 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 Intl Airport to Boston.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Belfast Intl Airport 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 Intl Airport 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 Intl Airport with another airline. Booking your flights between Belfast Intl Airport and BOS can sometimes prove cheaper using this method.

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

Information on your arrival and departure airports

Belfast Intl Airport (BFS)
Boston (BOS)

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