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Cheap flights from Belfast to Boston from £339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Boston departing on 11/8. 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 Belfast to Boston

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:05 - 21:45
BFS
-
BOS
20h 40m
2 stops
Multiple Airlines Logo
20:50 - 19:40
BOS
-
BFS
17h 50m
2 stops
£561Multiple Airlines
Fri, 18 Sep - Wed, 23 Sep
British Airways Logo
15:10 - 22:50
BHD
-
BOS
11h 40m
1 stop
British Airways Logo
22:30 - 14:35
BOS
-
BHD
12h 05m
1 stop
£571British Airways
Sun, 25 Oct - Wed, 28 Oct
British Airways Logo
14:20 - 23:55
BHD
-
BOS
14h 35m
2 stops
British Airways Logo
21:50 - 15:20
BOS
-
BHD
12h 30m
1 stop
£574British Airways
Thu, 6 Aug - Tue, 11 Aug
Multiple Airlines Logo
06:45 - 18:22
BFS
-
BOS
40h 37m
3 stops
Multiple Airlines Logo
20:50 - 20:15
BOS
-
BFS
18h 25m
2 stops
£585Multiple Airlines
Sun, 16 Aug - Sun, 23 Aug
American Airlines Logo
14:20 - 12:40
BHD
-
BOS
27h 20m
1 stop
American Airlines Logo
19:35 - 10:45
BOS
-
BHD
10h 10m
1 stop
£593American Airlines
Thu, 6 Aug - Tue, 11 Aug
American Airlines Logo
06:30 - 12:40
BHD
-
BOS
11h 10m
1 stop
American Airlines Logo
19:35 - 10:45
BOS
-
BHD
10h 10m
1 stop
£596American Airlines
Thu, 6 Aug - Tue, 11 Aug
Multiple Airlines Logo
20:40 - 15:40
BFS
-
BOS
47h 00m
3 stops
Multiple Airlines Logo
20:50 - 20:45
BOS
-
BFS
19h 55m
2 stops
£598Multiple Airlines
Sun, 25 Oct - Wed, 28 Oct
British Airways Logo
12:45 - 23:55
BHD
-
BOS
16h 10m
2 stops
British Airways Logo
18:26 - 15:20
BOS
-
BHD
15h 54m
2 stops
£600British Airways
Thu, 6 Aug - Tue, 11 Aug
British Airways Logo
09:10 - 21:54
BHD
-
BOS
16h 44m
2 stops
British Airways Logo
17:28 - 10:15
BOS
-
BHD
12h 47m
2 stops
£602British Airways
Sun, 25 Oct - Wed, 28 Oct
British Airways Logo
12:45 - 23:55
BHD
-
BOS
16h 10m
2 stops
British Airways Logo
18:26 - 15:20
BOS
-
BHD
15h 54m
2 stops
£603British Airways
Thu, 6 Aug - Tue, 11 Aug

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Delta flights from Belfast to Boston

Our best Delta deals on Belfast to Boston flight tickets
Delta
24 Oct
BHD17:30Belfast City
25h 55m
1 stop
BOS14:25Boston Logan Intl
31 Oct
BOS17:20Boston Logan Intl
19h 30m
2 stops
BHD16:50Belfast City
£643
Delta
24 Oct
BHD17:30Belfast City
25h 55m
1 stop
BOS14:25Boston Logan Intl
31 Oct
BOS17:20Boston Logan Intl
19h 30m
2 stops
BHD16:50Belfast City
£644
Delta
24 Oct
BHD17:30Belfast City
26h 52m
2 stops
BOS15:22Boston Logan Intl
31 Oct
BOS17:20Boston Logan Intl
19h 30m
2 stops
BHD16:50Belfast City
£688

Aer Lingus flights from Belfast to Boston

Our best Aer Lingus deals on Belfast to Boston flight tickets
Aer Lingus
24 Oct
BHD19:05Belfast City
27h 45m
2 stops
BOS17:50Boston Logan Intl
31 Oct
BOS18:50Boston Logan Intl
14h 20m
2 stops
BHD13:10Belfast City
£726
Aer Lingus
18 Sept
BHD07:00Belfast City
12h 55m
2 stops
BOS14:55Boston Logan Intl
23 Sept
BOS21:15Boston Logan Intl
12h 40m
2 stops
BHD14:55Belfast City
£776

momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Boston 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 7 July 2026.
Use the filters below to find and compare flights from Belfast to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 18/9

06:05-21:45

2 stops20h 40m

Boston Logan Intl

Wed 23/9

20:50-19:40

2 stops17h 50m

£561

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 25/10

15:10-22:50

1 stop11h 40m

Boston Logan Intl

Wed 28/10

22:30-14:35

1 stop12h 05m

£571

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 6/8

14:20-23:55

2 stops14h 35m

Boston Logan Intl

Tue 11/8

21:50-15:20

1 stop12h 30m

£574

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 16/8

06:45-18:22

3 stops40h 37m

Boston Logan Intl

Sun 23/8

20:50-20:15

2 stops18h 25m

£585

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 6/8

14:20-12:40

1 stop27h 20m

Boston Logan Intl

Tue 11/8

19:35-10:45

1 stop10h 10m

£593
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 6/8

06:30-12:40

1 stop11h 10m

Boston Logan Intl

Tue 11/8

19:35-10:45

1 stop10h 10m

£596

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 25/10

20:40-15:40

3 stops47h 00m

Boston Logan Intl

Wed 28/10

20:50-20:45

2 stops19h 55m

£598

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 6/8

12:45-23:55

2 stops16h 10m

Boston Logan Intl

Tue 11/8

18:26-15:20

2 stops15h 54m

£600

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 25/10

09:10-21:54

2 stops16h 44m

Boston Logan Intl

Wed 28/10

17:28-10:15

2 stops12h 47m

£602

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 6/8

12:45-23:55

2 stops16h 10m

Boston Logan Intl

Tue 11/8

18:26-15:20

2 stops15h 54m

£603

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Boston from

How to get the cheapest flight ticket from Belfast to Boston

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 airline that flies from Belfast to Boston Logan Intl?

British Airways is the most popular carrier operating from Belfast to Boston Logan Intl

Cheap Belfast to Boston flight deals and tips

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

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from Belfast to Boston takes 16h 50m
There are no direct flights from Belfast to Boston. There are no popular flight routes from Belfast to Boston.
Search flight deals

Frequently asked questions about flying from Belfast to Boston

  • How far is Belfast to Boston Logan Intl by plane?

    The straight-line distance from Belfast to Boston Logan Intl is 2981.1 mi. By plane, this route typically takes 16h 50m.

  • When did momondo last update prices for flights from Belfast to Boston Logan Intl Airport?

    Prices for flights from Belfast to Boston Logan Intl Airport refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast to Boston Logan Intl Airport.

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

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Salem
Waltham
Braintree
Dedham
Cambridge
Brookline
Plymouth
Foxborough
Burlington
Falmouth
Chelsea
Randolph
York Beach
Needham
Quincy
Wells
Amherst
Everett
Sandwich
Cape Neddick

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Boston . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Boston from Belfast with this policy.

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

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

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

Price alerts on flights to Boston from Belfast 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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