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Cheap flights from Belfast to Boston from £349

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 18/6. 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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Find the cheapest flights from Belfast to Boston

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:35 - 14:41
BFS
-
BOS
23h 06m
2 stops
Multiple Airlines Logo
10:50 - 11:15
BOS
-
BFS
19h 25m
3 stops
£646Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
20:35 - 22:38
BFS
-
BOS
31h 03m
3 stops
Multiple Airlines Logo
05:10 - 11:15
BOS
-
BFS
25h 05m
3 stops
£657Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
British Airways Logo
11:25 - 21:55
BHD
-
BOS
15h 30m
1 stop
British Airways Logo
19:19 - 13:55
BOS
-
BHD
13h 36m
2 stops
£673British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
09:15 - 16:00
BHD
-
BOS
11h 45m
1 stop
British Airways Logo
18:55 - 10:20
BOS
-
BHD
10h 25m
1 stop
£674British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
09:15 - 16:00
BHD
-
BOS
11h 45m
1 stop
British Airways Logo
19:15 - 10:20
BOS
-
BHD
10h 05m
1 stop
£675British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
09:15 - 18:49
BHD
-
BOS
14h 34m
2 stops
British Airways Logo
19:19 - 13:55
BOS
-
BHD
13h 36m
2 stops
£677British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
11:25 - 22:46
BHD
-
BOS
16h 21m
2 stops
British Airways Logo
15:52 - 10:20
BOS
-
BHD
13h 28m
2 stops
£677British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
11:25 - 22:46
BHD
-
BOS
16h 21m
2 stops
British Airways Logo
15:52 - 10:20
BOS
-
BHD
13h 28m
2 stops
£679British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
06:35 - 17:21
BHD
-
BOS
15h 46m
2 stops
British Airways Logo
15:52 - 10:20
BOS
-
BHD
13h 28m
2 stops
£680British Airways
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
20:55 - 19:55
BFS
-
BOS
28h 00m
2 stops
Multiple Airlines Logo
20:50 - 23:30
BOS
-
BFS
21h 40m
2 stops
£695Multiple Airlines
Mon, 6 Jul - Thu, 9 Jul

British Airways flights from Belfast to Boston

Our best British Airways deals on Belfast to Boston flight tickets
British Airways
4 Nov
BHD11:25Belfast City
15h 30m
1 stop
BOS21:55Boston Logan Intl
8 Nov
BOS19:19Boston Logan Intl
13h 36m
2 stops
BHD13:55Belfast City
£673
British Airways
4 Nov
BHD09:15Belfast City
11h 45m
1 stop
BOS16:00Boston Logan Intl
8 Nov
BOS18:55Boston Logan Intl
10h 25m
1 stop
BHD10:20Belfast City
£674
British Airways
4 Nov
BHD09:15Belfast City
11h 45m
1 stop
BOS16:00Boston Logan Intl
8 Nov
BOS19:15Boston Logan Intl
10h 05m
1 stop
BHD10:20Belfast City
£675

Delta flights from Belfast to Boston

Our best Delta deals on Belfast to Boston flight tickets
Delta
18 Jun
BHD09:50Belfast City
13h 40m
1 stop
BOS18:30Boston Logan Intl
24 Jul
BOS09:05Boston Logan Intl
19h 15m
2 stops
BHD09:20Belfast City
£809
Delta
18 Jun
BHD09:50Belfast City
17h 51m
2 stops
BOS22:41Boston Logan Intl
24 Jul
BOS09:05Boston Logan Intl
19h 15m
2 stops
BHD09:20Belfast City
£810
Delta
18 Jun
BHD09:50Belfast City
17h 51m
2 stops
BOS22:41Boston Logan Intl
24 Jul
BOS09:05Boston Logan Intl
19h 15m
2 stops
BHD09:20Belfast City
£813

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 8 May 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

Mon 22/6

20:35-14:41

2 stops23h 06m

Boston Logan Intl

Mon 29/6

10:50-11:15

3 stops19h 25m

£646

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 22/6

20:35-22:38

3 stops31h 03m

Boston Logan Intl

Mon 29/6

05:10-11:15

3 stops25h 05m

£657

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 4/11

11:25-21:55

1 stop15h 30m

Boston Logan Intl

Sun 8/11

19:19-13:55

2 stops13h 36m

£673

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 4/11

09:15-16:00

1 stop11h 45m

Boston Logan Intl

Sun 8/11

18:55-10:20

1 stop10h 25m

£674
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 4/11

09:15-16:00

1 stop11h 45m

Boston Logan Intl

Sun 8/11

19:15-10:20

1 stop10h 05m

£675

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 4/11

09:15-18:49

2 stops14h 34m

Boston Logan Intl

Sun 8/11

19:19-13:55

2 stops13h 36m

£677

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 4/11

11:25-22:46

2 stops16h 21m

Boston Logan Intl

Sun 8/11

15:52-10:20

2 stops13h 28m

£677

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 4/11

11:25-22:46

2 stops16h 21m

Boston Logan Intl

Sun 8/11

15:52-10:20

2 stops13h 28m

£679

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 4/11

06:35-17:21

2 stops15h 46m

Boston Logan Intl

Sun 8/11

15:52-10:20

2 stops13h 28m

£680

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 6/7

20:55-19:55

2 stops28h 00m

Boston Logan Intl

Thu 9/7

20:50-23:30

2 stops21h 40m

£695

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 typical price of a round-trip flight between Belfast and Boston?

What is the cheapest month to fly to Boston?

In general, April is the cheapest month to fly from Belfast to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £0. The month of January is another great option to travel to Boston, with average flight prices from Belfast averaging around £0.

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

10h 25m

Direct flights

None
The fastest flight from Belfast to Boston takes 10h 25m
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 10h 25m.

  • 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 many operators does momondo search for flights from Belfast to Boston Logan Intl Airport?

  • 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.

Best airlines flying from Belfast to Boston

Compare and see reviews for airlines that fly from Belfast to Boston with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £366Free CancellationRating
6.7
7,952 reviews
Search British Airways flights

Travelling to a place near Boston?

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

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.

An easier way to manage your Boston trip

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