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>

$348 CHEAP FLIGHTS from Northern Ireland to Boston

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

...and more

Travelers love KAYAK

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

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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

Last minute

Recent round-trip flight deals from Northern Ireland to Boston

Mon, Nov 3 - Mon, Nov 10

6:40 am - 1:20 pmBFS-BOS

35h 40m2 stops

8:00 pm - 4:15 pmBOS-BFS

15h 15m1 stop

$536Multiple Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 10

6:00 am - 4:00 pmBFS-BOS

15h 00m1 stop

8:00 pm - 5:00 pmBOS-BFS

16h 00m1 stop

$545Multiple Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 10

6:30 am - 6:55 pmBHD-BOS

17h 25m1 stop

5:00 pm - 4:50 pmBOS-BHD

18h 50m2 stops

$568Delta

Find Deal

Wed, Oct 15 - Wed, Oct 22

6:30 am - 6:20 pmBHD-BOS

16h 50m1 stop

8:15 pm - 9:15 pmBOS-BHD

20h 00m1 stop

$574KLM

Find Deal

Mon, Nov 3 - Mon, Nov 10

6:30 am - 10:03 pmBHD-BOS

20h 33m2 stops

4:42 pm - 4:50 pmBOS-BHD

19h 08m2 stops

$580Virgin Atlantic

Find Deal

Wed, Oct 15 - Wed, Oct 22

6:30 am - 6:20 pmBHD-BOS

16h 50m1 stop

1:05 pm - 4:55 pmBOS-BHD

22h 50m2 stops

$581Delta

Find Deal

Fri, Oct 10 - Sun, Oct 12

5:25 pm - 4:30 pmBHD-BOS

28h 05m1 stop

4:50 pm - 9:15 pmBOS-BHD

23h 25m1 stop

$656KLM

Find Deal

Fri, Oct 10 - Sun, Oct 12

6:30 am - 9:27 pmBHD-BOS

19h 57m2 stops

6:30 pm - 4:55 pmBOS-BHD

41h 25m2 stops

$855Virgin Atlantic

Find Deal

Tue, Mar 10 - Wed, Mar 11

8:45 am - 4:55 pmBHD-BOS

12h 10m1 stop

8:25 pm - 10:15 amBOS-BHD

9h 50m1 stop

$3,209American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

6:35 am - 4:55 pmBHD-BOS

14h 20m1 stop

7:55 pm - 10:15 amBOS-BHD

10h 20m1 stop

$3,215American Airlines

Find Deal

Cheapest round-trip

$536

Multiple Airlines

Mon 11/3Mon 11/10

BFS - BOS • 2 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

Low season	February
High season	May
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

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

Wells

Plymouth

Waltham

Warwick

Middletown

Everett

Gloucester

Concord

York Beach

Woburn

Brookline

West Yarmouth

Revere

Danvers

Burlington

South Portland

Braintree

Quincy

Everything you need to know for your flight to Boston

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Boston

Boston (BOS)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$348 Find Cheap Flights from Northern Ireland to Boston

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

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

Recent last minute flight deals from Northern Ireland to Boston

Everything you should know

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