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Cheap flights from Massachusetts to Belfast from £248

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 6/6. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:35 - 20:25
BOS
-
BFS
27h 50m
2 stops
Multiple Airlines Logo
07:05 - 18:50
BFS
-
BOS
15h 45m
2 stops
£451Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
21:15 - 23:05
BOS
-
BFS
20h 50m
2 stops
Multiple Airlines Logo
06:30 - 18:50
BFS
-
BOS
17h 20m
2 stops
£452Multiple Airlines
Mon, 6 Apr - Mon, 13 Apr
Multiple Airlines Logo
23:00 - 07:05
BOS
-
BFS
27h 05m
2 stops
Multiple Airlines Logo
09:10 - 21:05
BFS
-
BOS
16h 55m
1 stop
£476Multiple Airlines
Mon, 6 Apr - Mon, 13 Apr
Multiple Airlines Logo
20:50 - 16:10
BOS
-
BFS
15h 20m
2 stops
Multiple Airlines Logo
23:10 - 21:00
BFS
-
BOS
25h 50m
3 stops
£489Multiple Airlines
Wed, 11 Mar - Sat, 14 Mar
Multiple Airlines Logo
19:50 - 16:10
BOS
-
BFS
15h 20m
2 stops
Multiple Airlines Logo
05:45 - 20:00
BFS
-
BOS
19h 15m
3 stops
£492Multiple Airlines
Wed, 25 Feb - Sun, 1 Mar
Multiple Airlines Logo
20:50 - 16:10
BOS
-
BFS
15h 20m
2 stops
Multiple Airlines Logo
09:15 - 15:35
BFS
-
BOS
34h 20m
3 stops
£495Multiple Airlines
Wed, 11 Mar - Sat, 14 Mar
Multiple Airlines Logo
18:05 - 23:55
BOS
-
BFS
24h 50m
2 stops
Multiple Airlines Logo
16:45 - 14:35
BFS
-
BOS
26h 50m
2 stops
£497Multiple Airlines
Wed, 25 Feb - Sun, 1 Mar
Multiple Airlines Logo
06:00 - 08:20
BOS
-
BFS
22h 20m
2 stops
Multiple Airlines Logo
06:00 - 22:55
BFS
-
BOS
20h 55m
1 stop
£500Multiple Airlines
Fri, 13 Mar - Wed, 18 Mar
Multiple Airlines Logo
23:00 - 21:50
BOS
-
BFS
17h 50m
2 stops
Multiple Airlines Logo
09:10 - 21:05
BFS
-
BOS
16h 55m
1 stop
£538Multiple Airlines
Fri, 8 May - Mon, 18 May
Multiple Airlines Logo
18:05 - 22:50
BOS
-
BFS
23h 45m
3 stops
Multiple Airlines Logo
05:45 - 19:55
BFS
-
BOS
43h 10m
3 stops
£547Multiple Airlines
Wed, 25 Feb - Sun, 1 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Massachusetts to Belfast Intl Airport 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 4 February 2026.
Use the filters below to find and compare flights from Massachusetts to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 19/3

12:35-20:25

2 stops27h 50m

Belfast Intl

Thu 26/3

07:05-18:50

2 stops15h 45m

£451

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 6/4

21:15-23:05

2 stops20h 50m

Belfast Intl

Mon 13/4

06:30-18:50

2 stops17h 20m

£452

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 6/4

23:00-07:05

2 stops27h 05m

Belfast Intl

Mon 13/4

09:10-21:05

1 stop16h 55m

£476

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 11/3

20:50-16:10

2 stops15h 20m

Belfast Intl

Sat 14/3

23:10-21:00

3 stops25h 50m

£489

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 25/2

19:50-16:10

2 stops15h 20m

Belfast Intl

Sun 1/3

05:45-20:00

3 stops19h 15m

£492

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 11/3

20:50-16:10

2 stops15h 20m

Belfast Intl

Sat 14/3

09:15-15:35

3 stops34h 20m

£495

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 25/2

18:05-23:55

2 stops24h 50m

Belfast Intl

Sun 1/3

16:45-14:35

2 stops26h 50m

£497

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 13/3

06:00-08:20

2 stops22h 20m

Belfast Intl

Wed 18/3

06:00-22:55

1 stop20h 55m

£500

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 8/5

23:00-21:50

2 stops17h 50m

Belfast Intl

Mon 18/5

09:10-21:05

1 stop16h 55m

£538

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 25/2

18:05-22:50

3 stops23h 45m

Belfast Intl

Sun 1/3

05:45-19:55

3 stops43h 10m

£547

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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 Intl Airport

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 Intl Airport?

The month of September is, on average, the cheapest month to fly to Belfast Intl Airport from Massachusetts, with most prices found around £448. If you’re not able to fly to Belfast Intl Airport in September, then August is your next best option. Flight prices from Massachusetts to Belfast Intl Airport during August average around £453.

Cheap Massachusetts to Belfast Intl Airport flight deals and tips

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

Fastest flight time

9h 35m

Direct flights

None
The fastest flight from Massachusetts to Belfast Intl Airport takes 9h 35m
There are no direct flights from Massachusetts to Belfast Intl Airport. There are no popular flight routes from Massachusetts to Belfast Intl Airport.
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  • When did momondo last update prices for flights from Massachusetts to Belfast Intl Airport?

    Prices for flights from Massachusetts to Belfast Intl Airport were last updated today.

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

    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 Intl Airport.

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

    The required travel and health documents for your Belfast Intl Airport 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 Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Portadown
Dungannon

Why use momondo?

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

It is quick and easy to find Massachusetts to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

All flight searches from Massachusetts to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belfast from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Massachusetts to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Belfast Intl Airport trip

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