How does KAYAK find such low prices on flights from Northern Ireland 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 Northern Ireland to Boston. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Northern Ireland is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Northern Ireland 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 Northern Ireland with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland 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 Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$439 CHEAP FLIGHTS from Northern Ireland to Boston

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

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Cheapest round-trip

$604

Multiple Airlines

Wed 1/28Wed 2/4

BFS - BOS • 2 stops

Cheapest one-way

$439

Multiple Airlines

Sun 3/1

BHD - 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!

Flight Deals

Cheap Flights from Northern Ireland to Boston

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Northern Ireland 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.

Round-trip

One-way

Recent round-trip flight deals from Northern Ireland to Boston

Wed, Jan 28 - Wed, Feb 4

6:30 am - 5:50 pm

BFS

BOS

16h 20m2 stops

7:50 pm - 5:55 pm

BOS

BFS

17h 05m2 stops

$604Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

6:30 am - 5:50 pm

BFS

BOS

16h 20m2 stops

7:50 pm - 8:40 pm

BOS

BFS

19h 50m2 stops

$620Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

6:30 am - 5:50 pm

BFS

BOS

16h 20m2 stops

7:50 pm - 10:20 pm

BOS

BFS

21h 30m2 stops

$649Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

6:25 pm - 8:10 pm

BFS

BOS

30h 45m3 stops

7:50 pm - 4:10 pm

BOS

BFS

15h 20m2 stops

$674Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

6:30 am - 12:49 pm

BFS

BOS

35h 19m3 stops

7:00 am - 10:20 pm

BOS

BFS

34h 20m2 stops

$675Multiple Airlines

Thu, Jan 29 - Mon, Feb 2

8:00 pm - 7:50 pm

BHD

BOS

28h 50m2 stops

7:35 pm - 2:15 pm

BOS

BHD

13h 40m2 stops

$737British Airways

Thu, Jan 29 - Mon, Feb 2

9:05 am - 7:45 pm

BHD

BOS

15h 40m1 stop

9:35 pm - 2:15 pm

BOS

BHD

11h 40m1 stop

$744British Airways

Wed, Jun 10 - Mon, Jun 22

9:50 am - 10:36 pm

BHD

BOS

17h 46m2 stops

9:45 pm - 4:55 pm

BOS

BHD

14h 10m2 stops

$974KLM

Thu, Jun 11 - Thu, Sep 3

5:30 pm - 10:36 pm

BHD

BOS

34h 06m2 stops

9:55 am - 9:20 am

BOS

BHD

18h 25m2 stops

$1,021Delta

Thu, Jun 11 - Fri, Sep 4

5:30 pm - 10:36 pm

BHD

BOS

34h 06m2 stops

8:25 pm - 4:55 pm

BOS

BHD

15h 30m1 stop

$1,062Delta

Useful Info

Low season	February
High season	May
Cheapest flight	$439

Best time to beat the crowds with an average 22% drop in price.

Most popular time to fly with an average 27% increase in price.

Flight from Belfast City Airport to Boston

How does KAYAK find such low prices on flights from Northern Ireland 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 Northern Ireland to Boston.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to Boston?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Northern Ireland 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 Northern Ireland 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 Northern Ireland with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland 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 Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hampton Beach

Hampton

Waltham

Wells

Warwick

Plymouth

Middletown

Everett

Gloucester

Concord

York Beach

Woburn

Brookline

Revere

West Yarmouth

Burlington

Danvers

South Portland

Braintree

Quincy

Everything you need to know for your flight to Boston

Airports

Cabin class

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Direct Flights

Flights to other cities

Origins

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Return flight deals

Information on the airport you'll fly into in Boston

Boston (BOS)

$604 Find Cheap Flights from Northern Ireland to Boston

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

Everything you should know

Cheap Flights from Northern Ireland to Boston

Recent round-trip flight deals from Northern Ireland to Boston

Recent one-way flight deals from Northern Ireland to Boston

Good to know

FAQs for booking flights from Northern Ireland to Boston

How does KAYAK find such low prices on flights from Northern Ireland 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 Northern Ireland to Boston.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Northern Ireland 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 Northern Ireland 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 Northern Ireland with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland 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 Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boston?

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Cabin class types available on flights to Northern Ireland

Complete your trip to Boston with a hotel stay or car rental

Find direct flights for Boston

Flights to other popular destinations

Flights from domestic origins to Boston

Choose which airport to fly into in Boston

Find deals for your return flight