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Cheap flights from Massachusetts to Belfast from £238

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 12/7. 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
1 adult, Economy, 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
20:50 - 19:30
BOS
-
BFS
17h 40m
2 stops
Multiple Airlines Logo
10:15 - 21:05
BFS
-
BOS
15h 50m
1 stop
£494Multiple Airlines
Sat, 10 Oct - Thu, 22 Oct
Multiple Airlines Logo
20:50 - 18:45
BOS
-
BFS
16h 55m
2 stops
Multiple Airlines Logo
10:15 - 21:05
BFS
-
BOS
15h 50m
1 stop
£496Multiple Airlines
Sun, 4 Oct - Thu, 22 Oct
Multiple Airlines Logo
23:00 - 19:40
BOS
-
BFS
15h 40m
2 stops
Multiple Airlines Logo
10:15 - 21:05
BFS
-
BOS
15h 50m
1 stop
£507Multiple Airlines
Wed, 7 Oct - Thu, 22 Oct
Multiple Airlines Logo
20:50 - 21:30
BOS
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
10:15 - 21:05
BFS
-
BOS
15h 50m
1 stop
£539Multiple Airlines
Sat, 5 Sep - Thu, 17 Sep
Multiple Airlines Logo
20:50 - 21:30
BOS
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
20:40 - 14:55
BFS
-
BOS
23h 15m
2 stops
£547Multiple Airlines
Sat, 5 Sep - Thu, 17 Sep
Multiple Airlines Logo
19:50 - 20:35
BOS
-
BFS
19h 45m
2 stops
Multiple Airlines Logo
20:30 - 14:40
BFS
-
BOS
47h 10m
3 stops
£569Multiple Airlines
Tue, 17 Nov - Mon, 23 Nov
Multiple Airlines Logo
20:50 - 21:30
BOS
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
14:50 - 20:20
BFS
-
BOS
34h 30m
3 stops
£570Multiple Airlines
Sat, 5 Sep - Thu, 17 Sep
Multiple Airlines Logo
19:50 - 20:45
BOS
-
BFS
19h 55m
3 stops
Multiple Airlines Logo
21:20 - 14:40
BFS
-
BOS
46h 20m
3 stops
£586Multiple Airlines
Wed, 4 Nov - Wed, 18 Nov
British Airways Logo
21:30 - 16:35
BOS
-
BHD
14h 05m
1 stop
British Airways Logo
11:25 - 19:40
BHD
-
BOS
13h 15m
1 stop
£656British Airways
Wed, 4 Nov - Wed, 18 Nov
British Airways Logo
21:30 - 14:50
BOS
-
BHD
12h 20m
1 stop
British Airways Logo
06:35 - 14:20
BHD
-
BOS
12h 45m
1 stop
£657British Airways
Tue, 17 Nov - Mon, 23 Nov

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Delta flights from Massachusetts to Belfast

Our best Delta deals on Massachusetts to Belfast flight tickets
Delta
6 Oct
BOS16:45Boston Logan Intl
11h 35m
1 stop
BHD09:20Belfast City
19 Oct
BHD17:30Belfast City
24h 45m
1 stop
BOS13:15Boston Logan Intl
£730
Delta
1 Nov
BOS19:15Boston Logan Intl
16h 35m
1 stop
BHD16:50Belfast City
16 Nov
BHD09:40Belfast City
14h 21m
1 stop
BOS19:01Boston Logan Intl
£733
Delta
3 Nov
BOS15:10Boston Logan Intl
20h 40m
2 stops
BHD16:50Belfast City
12 Nov
BHD09:40Belfast City
32h 45m
1 stop
BOS13:25Boston Logan Intl
£734

British Airways flights from Massachusetts to Belfast

Our best British Airways deals on Massachusetts to Belfast flight tickets
British Airways
4 Nov
BOS21:30Boston Logan Intl
14h 05m
1 stop
BHD16:35Belfast City
18 Nov
BHD11:25Belfast City
13h 15m
1 stop
BOS19:40Boston Logan Intl
£656
British Airways
17 Nov
BOS21:30Boston Logan Intl
12h 20m
1 stop
BHD14:50Belfast City
23 Nov
BHD06:35Belfast City
12h 45m
1 stop
BOS14:20Boston Logan Intl
£657
British Airways
3 Nov
BOS21:30Boston Logan Intl
12h 20m
1 stop
BHD14:50Belfast City
10 Nov
BHD06:35Belfast City
12h 45m
1 stop
BOS14:20Boston Logan Intl
£657

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 20 June 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

Sat 10/10

20:50-19:30

2 stops17h 40m

Belfast Intl

Thu 22/10

10:15-21:05

1 stop15h 50m

£494

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 4/10

20:50-18:45

2 stops16h 55m

Belfast Intl

Thu 22/10

10:15-21:05

1 stop15h 50m

£496

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 7/10

23:00-19:40

2 stops15h 40m

Belfast Intl

Thu 22/10

10:15-21:05

1 stop15h 50m

£507

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 5/9

20:50-21:30

2 stops19h 40m

Belfast Intl

Thu 17/9

10:15-21:05

1 stop15h 50m

£539

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 5/9

20:50-21:30

2 stops19h 40m

Belfast Intl

Thu 17/9

20:40-14:55

2 stops23h 15m

£547

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 17/11

19:50-20:35

2 stops19h 45m

Belfast Intl

Mon 23/11

20:30-14:40

3 stops47h 10m

£569

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 5/9

20:50-21:30

2 stops19h 40m

Belfast Intl

Thu 17/9

14:50-20:20

3 stops34h 30m

£570

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 4/11

19:50-20:45

3 stops19h 55m

Belfast Intl

Wed 18/11

21:20-14:40

3 stops46h 20m

£586

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 4/11

21:30-16:35

1 stop14h 05m

Belfast City

Wed 18/11

11:25-19:40

1 stop13h 15m

£656
Fastest return journey

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 17/11

21:30-14:50

1 stop12h 20m

Belfast City

Mon 23/11

06:35-14:20

1 stop12h 45m

£657

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 March. Flight prices, which tend to average around £388, 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 March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £397.

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

11h 45m

Direct flights

None
The fastest flight from Massachusetts to Belfast takes 11h 45m
There are no direct flights from Massachusetts to Belfast. There are no popular flight routes from Massachusetts to Belfast.
Search flight deals

Frequently asked questions about flying from Massachusetts to Belfast

  • 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