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Cheap flights from Massachusetts to Belfast from £183

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 23/4. 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 return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:20 - 20:55
BOS
-
BFS
22h 35m
2 stops
Multiple Airlines Logo
21:55 - 17:40
BFS
-
BOS
24h 45m
2 stops
£591Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
21:40 - 23:50
BOS
-
BFS
21h 10m
2 stops
Multiple Airlines Logo
13:15 - 15:10
BFS
-
BOS
30h 55m
2 stops
£597Multiple Airlines
Fri, 3 Apr - Tue, 7 Apr
Multiple Airlines Logo
23:00 - 20:35
BOS
-
BHD
16h 35m
2 stops
Multiple Airlines Logo
07:00 - 21:45
BHD
-
BOS
19h 45m
2 stops
£605Multiple Airlines
Sat, 2 May - Sat, 9 May
Multiple Airlines Logo
20:50 - 23:45
BOS
-
BFS
21h 55m
3 stops
Multiple Airlines Logo
21:25 - 14:45
BFS
-
BOS
46h 20m
3 stops
£606Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
22:50 - 08:40
BOS
-
BFS
28h 50m
1 stop
Multiple Airlines Logo
08:55 - 21:05
BFS
-
BOS
17h 10m
2 stops
£609Multiple Airlines
Sat, 2 May - Sat, 9 May
Multiple Airlines Logo
20:50 - 15:35
BOS
-
BFS
13h 45m
2 stops
Multiple Airlines Logo
21:25 - 14:45
BFS
-
BOS
46h 20m
3 stops
£612Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
British Airways Logo
19:35 - 10:45
BOS
-
BHD
10h 10m
1 stop
British Airways Logo
14:20 - 22:35
BHD
-
BOS
13h 15m
1 stop
£630British Airways
Tue, 8 Sep - Thu, 17 Sep
British Airways Logo
21:50 - 12:55
BOS
-
BHD
10h 05m
1 stop
British Airways Logo
06:30 - 20:05
BHD
-
BOS
18h 35m
1 stop
£631British Airways
Mon, 7 Sep - Fri, 11 Sep
American Airlines Logo
20:15 - 15:20
BOS
-
BHD
14h 05m
1 stop
American Airlines Logo
09:35 - 19:27
BHD
-
BOS
14h 52m
2 stops
£648American Airlines
Tue, 8 Sep - Thu, 17 Sep
Aer Lingus Logo
18:00 - 11:55
BDL
-
BHD
12h 55m
2 stops
Aer Lingus Logo
07:00 - 16:30
BHD
-
BDL
14h 30m
2 stops
£825Aer Lingus
Sun, 10 May - Sat, 16 May

British Airways flights from Massachusetts to Belfast

Our best British Airways deals on Massachusetts to Belfast flight tickets
British Airways
8 Sept
BOS19:35Boston Logan Intl
10h 10m
1 stop
BHD10:45Belfast City
17 Sept
BHD14:20Belfast City
13h 15m
1 stop
BOS22:35Boston Logan Intl
£630
British Airways
7 Sept
BOS21:50Boston Logan Intl
10h 05m
1 stop
BHD12:55Belfast City
11 Sept
BHD06:30Belfast City
18h 35m
1 stop
BOS20:05Boston Logan Intl
£631
British Airways
4 May
BOS21:50Boston Logan Intl
10h 05m
1 stop
BHD12:55Belfast City
13 May
BHD11:35Belfast City
10h 25m
1 stop
BOS17:00Boston Logan Intl
£636

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 23 March 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 return flight

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 20/4

17:20-20:55

2 stops22h 35m

Belfast Intl

Mon 27/4

21:55-17:40

2 stops24h 45m

£591

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 3/4

21:40-23:50

2 stops21h 10m

Belfast Intl

Tue 7/4

13:15-15:10

2 stops30h 55m

£597

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 2/5

23:00-20:35

2 stops16h 35m

Belfast City

Sat 9/5

07:00-21:45

2 stops19h 45m

£605

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 20/4

20:50-23:45

3 stops21h 55m

Belfast Intl

Mon 27/4

21:25-14:45

3 stops46h 20m

£606

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 2/5

22:50-08:40

1 stop28h 50m

Belfast Intl

Sat 9/5

08:55-21:05

2 stops17h 10m

£609

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 20/4

20:50-15:35

2 stops13h 45m

Belfast Intl

Mon 27/4

21:25-14:45

3 stops46h 20m

£612
Fastest return journey

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 8/9

19:35-10:45

1 stop10h 10m

Belfast City

Thu 17/9

14:20-22:35

1 stop13h 15m

£630

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 7/9

21:50-12:55

1 stop10h 05m

Belfast City

Fri 11/9

06:30-20:05

1 stop18h 35m

£631

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 8/9

20:15-15:20

1 stop14h 05m

Belfast City

Thu 17/9

09:35-19:27

2 stops14h 52m

£648

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

Sun 10/5

18:00-11:55

2 stops12h 55m

Belfast City

Sat 16/5

07:00-16:30

2 stops14h 30m

£825

Flights are sorted by cheapest return 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?

The cheapest month to fly to Belfast from Massachusetts is in February. Flight prices, which tend to average around £406, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £448.

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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Massachusetts to Belfast for you.

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

Yes. momondo allows you to filter the results for Massachusetts to Belfast flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Massachusetts to Belfast.

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

Price alerts on flights to Belfast from Massachusetts are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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