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Cheap flights from Belfast to Boston from £274

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 24/9. 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

Find the cheapest flights from Belfast to Boston

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
14:20 - 20:05
BHD
-
BOS
10h 45m
1 stop
British Airways Logo
18:45 - 10:20
BOS
-
BHD
10h 35m
1 stop
£478British Airways
Thu, 3 Sep - Sun, 24 Jan
Multiple Airlines Logo
08:15 - 15:10
BFS
-
BOS
35h 55m
2 stops
Multiple Airlines Logo
17:10 - 20:15
BOS
-
BFS
22h 05m
2 stops
£579Multiple Airlines
Wed, 23 Sep - Sun, 27 Sep
Multiple Airlines Logo
15:35 - 15:35
BFS
-
BOS
29h 00m
2 stops
Multiple Airlines Logo
17:40 - 21:45
BOS
-
BFS
23h 05m
2 stops
£587Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
21:30 - 14:45
BFS
-
BOS
46h 15m
3 stops
Multiple Airlines Logo
20:50 - 23:20
BOS
-
BFS
21h 30m
3 stops
£589Multiple Airlines
Sat, 17 Oct - Mon, 19 Oct
Multiple Airlines Logo
15:35 - 15:35
BFS
-
BOS
29h 00m
2 stops
Multiple Airlines Logo
17:40 - 21:45
BOS
-
BFS
23h 05m
2 stops
£590Multiple Airlines
Thu, 17 Sep - Thu, 24 Sep
British Airways Logo
06:30 - 16:55
BHD
-
BOS
15h 25m
2 stops
British Airways Logo
17:28 - 12:55
BOS
-
BHD
14h 27m
2 stops
£592British Airways
Fri, 25 Sep - Mon, 28 Sep
Multiple Airlines Logo
07:00 - 18:50
BHD
-
BOS
16h 50m
2 stops
Multiple Airlines Logo
23:00 - 20:30
BOS
-
BHD
16h 30m
2 stops
£595Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
KLM Logo
17:30 - 18:30
BHD
-
BOS
30h 00m
1 stop
KLM Logo
16:40 - 09:20
BOS
-
BHD
11h 40m
1 stop
£596KLM
Thu, 3 Sep - Thu, 10 Sep
KLM Logo
09:50 - 16:35
BHD
-
BOS
11h 45m
1 stop
KLM Logo
16:40 - 09:20
BOS
-
BHD
11h 40m
1 stop
£597KLM
Fri, 25 Sep - Mon, 28 Sep
British Airways Logo
14:20 - 23:55
BHD
-
BOS
14h 35m
2 stops
British Airways Logo
21:50 - 18:45
BOS
-
BHD
15h 55m
1 stop
£599British Airways
Thu, 3 Sep - Thu, 10 Sep

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British Airways flights from Belfast to Boston

Our best British Airways deals on Belfast to Boston flight tickets
British Airways
3 Sept
BHD14:20Belfast City
10h 45m
1 stop
BOS20:05Boston Logan Intl
24 Jan
BOS18:45Boston Logan Intl
10h 35m
1 stop
BHD10:20Belfast City
£478
British Airways
25 Sept
BHD06:30Belfast City
15h 25m
2 stops
BOS16:55Boston Logan Intl
28 Sept
BOS17:28Boston Logan Intl
14h 27m
2 stops
BHD12:55Belfast City
£592
British Airways
3 Sept
BHD14:20Belfast City
14h 35m
2 stops
BOS23:55Boston Logan Intl
10 Sept
BOS21:50Boston Logan Intl
15h 55m
1 stop
BHD18:45Belfast City
£599

KLM flights from Belfast to Boston

Our best KLM deals on Belfast to Boston flight tickets
KLM
3 Sept
BHD17:30Belfast City
30h 00m
1 stop
BOS18:30Boston Logan Intl
10 Sept
BOS16:40Boston Logan Intl
11h 40m
1 stop
BHD09:20Belfast City
£596
KLM
25 Sept
BHD09:50Belfast City
11h 45m
1 stop
BOS16:35Boston Logan Intl
28 Sept
BOS16:40Boston Logan Intl
11h 40m
1 stop
BHD09:20Belfast City
£597
KLM
5 Sept
BHD17:30Belfast City
24h 49m
1 stop
BOS13:19Boston Logan Intl
27 Jan
BOS20:55Boston Logan Intl
14h 55m
1 stop
BHD16:50Belfast City
£605

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 4 August 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
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 3/9

14:20-20:05

1 stop10h 45m

Boston Logan Intl

Sun 24/1

18:45-10:20

1 stop10h 35m

£478

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 23/9

08:15-15:10

2 stops35h 55m

Boston Logan Intl

Sun 27/9

17:10-20:15

2 stops22h 05m

£579

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 3/9

15:35-15:35

2 stops29h 00m

Boston Logan Intl

Thu 10/9

17:40-21:45

2 stops23h 05m

£587

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sat 17/10

21:30-14:45

3 stops46h 15m

Boston Logan Intl

Mon 19/10

20:50-23:20

3 stops21h 30m

£589

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 17/9

15:35-15:35

2 stops29h 00m

Boston Logan Intl

Thu 24/9

17:40-21:45

2 stops23h 05m

£590

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Fri 25/9

06:30-16:55

2 stops15h 25m

Boston Logan Intl

Mon 28/9

17:28-12:55

2 stops14h 27m

£592

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 3/9

07:00-18:50

2 stops16h 50m

Boston Logan Intl

Thu 10/9

23:00-20:30

2 stops16h 30m

£595

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 3/9

17:30-18:30

1 stop30h 00m

Boston Logan Intl

Thu 10/9

16:40-09:20

1 stop11h 40m

£596

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Fri 25/9

09:50-16:35

1 stop11h 45m

Boston Logan Intl

Mon 28/9

16:40-09:20

1 stop11h 40m

£597

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 3/9

14:20-23:55

2 stops14h 35m

Boston Logan Intl

Thu 10/9

21:50-18:45

1 stop15h 55m

£599

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 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

11h 50m

Direct flights

None
The fastest flight from Belfast to Boston takes 11h 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 11h 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
Cambridge
Waltham
Braintree
Dedham
Chelsea
Brookline
Plymouth
Foxborough
Falmouth
Burlington
Marlborough
Randolph
York Beach
Needham
Quincy
Framingham
Wells
Amherst
Weymouth

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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