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Cheap flights from Massachusetts to Belfast from $244

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Belfast departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Massachusetts to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 pm - 8:55 pm
BOS
-
BFS
22h 35m
2 stops
Multiple Airlines Logo
9:55 pm - 5:40 pm
BFS
-
BOS
24h 45m
2 stops
$789Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
9:40 pm - 11:50 pm
BOS
-
BFS
21h 10m
2 stops
Multiple Airlines Logo
1:15 pm - 3:10 pm
BFS
-
BOS
30h 55m
2 stops
$796Multiple Airlines
Fri, Apr 3 - Tue, Apr 7
Multiple Airlines Logo
11:00 pm - 8:35 pm
BOS
-
BHD
16h 35m
2 stops
Multiple Airlines Logo
7:00 am - 9:45 pm
BHD
-
BOS
19h 45m
2 stops
$807Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
8:50 pm - 11:45 pm
BOS
-
BFS
21h 55m
3 stops
Multiple Airlines Logo
9:25 pm - 2:45 pm
BFS
-
BOS
46h 20m
3 stops
$808Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
10:50 pm - 8:40 am
BOS
-
BFS
28h 50m
1 stop
Multiple Airlines Logo
8:55 am - 9:05 pm
BFS
-
BOS
17h 10m
2 stops
$812Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
8:50 pm - 3:35 pm
BOS
-
BFS
13h 45m
2 stops
Multiple Airlines Logo
9:25 pm - 2:45 pm
BFS
-
BOS
46h 20m
3 stops
$816Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
British Airways Logo
7:35 pm - 10:45 am
BOS
-
BHD
10h 10m
1 stop
British Airways Logo
2:20 pm - 10:35 pm
BHD
-
BOS
13h 15m
1 stop
$841British Airways
Tue, Sep 8 - Thu, Sep 17
British Airways Logo
9:50 pm - 12:55 pm
BOS
-
BHD
10h 05m
1 stop
British Airways Logo
6:30 am - 8:05 pm
BHD
-
BOS
18h 35m
1 stop
$842British Airways
Mon, Sep 7 - Fri, Sep 11
American Airlines Logo
8:15 pm - 3:20 pm
BOS
-
BHD
14h 05m
1 stop
American Airlines Logo
9:35 am - 7:27 pm
BHD
-
BOS
14h 52m
2 stops
$865American Airlines
Tue, Sep 8 - Thu, Sep 17
Aer Lingus Logo
6:00 pm - 11:55 am
BDL
-
BHD
12h 55m
2 stops
Aer Lingus Logo
7:00 am - 4:30 pm
BHD
-
BDL
14h 30m
2 stops
$1,101Aer Lingus
Sun, May 10 - Sat, May 16

British Airways flights from Massachusetts to Belfast

Our best British Airways deals on Massachusetts to Belfast flight tickets
British Airways
Sep 8
BOS7:35 pmBoston Logan Intl
10h 10m
1 stop
BHD10:45 amBelfast City
Sep 17
BHD2:20 pmBelfast City
13h 15m
1 stop
BOS10:35 pmBoston Logan Intl
$841
British Airways
Sep 7
BOS9:50 pmBoston Logan Intl
10h 05m
1 stop
BHD12:55 pmBelfast City
Sep 11
BHD6:30 amBelfast City
18h 35m
1 stop
BOS8:05 pmBoston Logan Intl
$842
British Airways
May 4
BOS9:50 pmBoston Logan Intl
10h 05m
1 stop
BHD12:55 pmBelfast City
May 13
BHD11:35 amBelfast City
10h 25m
1 stop
BOS5:00 pmBoston Logan Intl
$848

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Massachusetts to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/20

5:20 pm-8:55 pm

2 stops22h 35m

Belfast Intl

Mon 4/27

9:55 pm-5:40 pm

2 stops24h 45m

$789

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 4/3

9:40 pm-11:50 pm

2 stops21h 10m

Belfast Intl

Tue 4/7

1:15 pm-3:10 pm

2 stops30h 55m

$796

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 5/2

11:00 pm-8:35 pm

2 stops16h 35m

Belfast City

Sat 5/9

7:00 am-9:45 pm

2 stops19h 45m

$807

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/20

8:50 pm-11:45 pm

3 stops21h 55m

Belfast Intl

Mon 4/27

9:25 pm-2:45 pm

3 stops46h 20m

$808

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 5/2

10:50 pm-8:40 am

1 stop28h 50m

Belfast Intl

Sat 5/9

8:55 am-9:05 pm

2 stops17h 10m

$812

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/20

8:50 pm-3:35 pm

2 stops13h 45m

Belfast Intl

Mon 4/27

9:25 pm-2:45 pm

3 stops46h 20m

$816
Quickest round-trip

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/8

7:35 pm-10:45 am

1 stop10h 10m

Belfast City

Thu 9/17

2:20 pm-10:35 pm

1 stop13h 15m

$841

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/7

9:50 pm-12:55 pm

1 stop10h 05m

Belfast City

Fri 9/11

6:30 am-8:05 pm

1 stop18h 35m

$842

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/8

8:15 pm-3:20 pm

1 stop14h 05m

Belfast City

Thu 9/17

9:35 am-7:27 pm

2 stops14h 52m

$865

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

Sun 5/10

6:00 pm-11:55 am

2 stops12h 55m

Belfast City

Sat 5/16

7:00 am-4:30 pm

2 stops14h 30m

$1,101

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Massachusetts to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belfast?

In general, February is the cheapest month to fly from Massachusetts to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $542. If you don’t want to visit Belfast in February, then you should wait until March to fly from Massachusetts, when ticket prices are also cheap, with an average price of $598.

Cheap Massachusetts to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Belfast

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Massachusetts to Belfast takes 10h 05m
There are no direct flights from Massachusetts to Belfast. There are no popular flight routes from Massachusetts to Belfast.
Search flight deals

  • When did momondo last update prices for flights from Massachusetts to Belfast?

    Prices for flights from Massachusetts to Belfast are updated daily.

  • How many operators does momondo search for flights from Massachusetts to Belfast?

  • How old do you have to be to fly from Massachusetts to Belfast?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to Belfast

Compare and see reviews for airlines that fly from Massachusetts to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,813 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Massachusetts.

Can I find flights from Massachusetts to Belfast with flexible booking policies on momondo?

Flights from Massachusetts to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Massachusetts to Belfast?

momondo helps you find the best flight between Massachusetts and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Massachusetts to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Massachusetts to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport