Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Boston to Belfast from £240

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:55 - 21:00BOS  Boston Logan Intl-BFS Belfast Intl
17h 05m2 stops Barcelona-El Prat London Luton
Multiple Airlines Logo
10:15 - 21:05BFS  Belfast Intl-BOS Boston Logan Intl
15h 50m1 stop Barcelona-El Prat
£533Multiple Airlines
Thu, 15 Oct - Thu, 22 Oct
Multiple Airlines Logo
22:55 - 21:00BOS  Boston Logan Intl-BFS Belfast Intl
17h 05m2 stops Barcelona-El Prat London Luton
Multiple Airlines Logo
10:15 - 21:05BFS  Belfast Intl-BOS Boston Logan Intl
15h 50m1 stop Barcelona-El Prat
£540Multiple Airlines
Thu, 15 Oct - Thu, 22 Oct
Multiple Airlines Logo
19:50 - 20:15BOS  Boston Logan Intl-BFS Belfast Intl
19h 25m3 stops Reykjavik Keflavik Intl Dublin Manchester
Multiple Airlines Logo
22:10 - 19:55BFS  Belfast Intl-BOS Boston Logan Intl
26h 45m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado
£580Multiple Airlines
Mon, 23 Nov - Sun, 29 Nov
Multiple Airlines Logo
17:25 - 20:45BOS  Boston Logan Intl-BFS Belfast Intl
22h 20m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
21:25 - 14:55BFS  Belfast Intl-BOS Boston Logan Intl
22h 30m2 stops Edinburgh Turnhouse Dublin
£591Multiple Airlines
Fri, 16 Oct - Mon, 19 Oct
Multiple Airlines Logo
20:50 - 14:00BOS  Boston Logan Intl-BFS Belfast Intl
13h 10m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
15:25 - 14:40BFS  Belfast Intl-BOS Boston Logan Intl
28h 15m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado
£593Multiple Airlines
Sat, 31 Oct - Sat, 7 Nov
Multiple Airlines Logo
20:50 - 17:50BOS  Boston Logan Intl-BFS Belfast Intl
17h 00m3 stops Reykjavik Keflavik Intl Oslo Gardermoen London Gatwick
Multiple Airlines Logo
15:25 - 14:40BFS  Belfast Intl-BOS Boston Logan Intl
28h 15m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado
£596Multiple Airlines
Sat, 31 Oct - Sat, 7 Nov
Multiple Airlines Logo
19:50 - 19:10BOS  Boston Logan Intl-BFS Belfast Intl
18h 20m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
22:10 - 19:55BFS  Belfast Intl-BOS Boston Logan Intl
26h 45m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado
£597Multiple Airlines
Mon, 23 Nov - Sun, 29 Nov
Multiple Airlines Logo
23:00 - 21:15BOS  Boston Logan Intl-BFS Belfast Intl
17h 15m3 stops Reykjavik Keflavik Intl Dublin Manchester
Multiple Airlines Logo
06:30 - 21:26BFS  Belfast Intl-BOS Boston Logan Intl
19h 56m3 stops Edinburgh Turnhouse Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
£616Multiple Airlines
Fri, 16 Oct - Mon, 19 Oct
Multiple Airlines Logo
18:15 - 20:20BOS  Boston Logan Intl-BFS Belfast Intl
22h 05m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
07:00 - 19:05BFS  Belfast Intl-BOS Boston Logan Intl
17h 05m2 stops Edinburgh Turnhouse Dublin
£626Multiple Airlines
Sat, 31 Oct - Sat, 7 Nov
Multiple Airlines Logo
17:25 - 22:45BOS  Boston Logan Intl-BFS Belfast Intl
24h 20m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
08:20 - 18:50BFS  Belfast Intl-BOS Boston Logan Intl
15h 30m2 stops Edinburgh Turnhouse Dublin
£631Multiple Airlines
Tue, 13 Oct - Fri, 16 Oct

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Aer Lingus flights from Boston to Belfast

Our best Aer Lingus deals on Boston to Belfast flight tickets
Aer Lingus
31 Oct
BOS18:15Boston Logan Intl
19h 35m
2 stops
BHD17:50Belfast City
7 Nov
BHD07:00Belfast City
17h 05m
2 stops
BOS19:05Boston Logan Intl
£645
Aer Lingus
3 Nov
BOS17:15Boston Logan Intl
13h 40m
2 stops
BHD11:55Belfast City
6 Nov
BHD09:50Belfast City
14h 15m
2 stops
BOS19:05Boston Logan Intl
£847
Aer Lingus
22 Nov
BOS17:15Boston Logan Intl
13h 45m
2 stops
BHD12:00Belfast City
30 Nov
BHD17:55Belfast City
25h 00m
2 stops
BOS13:55Boston Logan Intl
£870

British Airways flights from Boston to Belfast

Our best British Airways deals on Boston to Belfast flight tickets
British Airways
11 Feb
BOS21:25Boston Logan Intl
11h 40m
1 stop
BHD14:05Belfast City
15 Feb
BHD06:35Belfast City
12h 45m
1 stop
BOS14:20Boston Logan Intl
£720
British Airways
11 Nov
BOS21:30Boston Logan Intl
10h 45m
1 stop
BHD13:15Belfast City
9 Dec
BHD15:45Belfast City
11h 05m
1 stop
BOS21:50Boston Logan Intl
£724
British Airways
4 Oct
BOS19:30Boston Logan Intl
10h 00m
1 stop
BHD10:30Belfast City
20 Oct
BHD09:40Belfast City
12h 15m
1 stop
BOS16:55Boston Logan Intl
£727

momondo Fare Finder

 
Use the filters below to find and compare flights from Boston to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Thu 15/10

22:55-21:00

2 stops17h 05m

Belfast Intl

Thu 22/10

10:15-21:05

1 stop15h 50m

£533

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Thu 15/10

22:55-21:00

2 stops17h 05m

Belfast Intl

Thu 22/10

10:15-21:05

1 stop15h 50m

£540

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 23/11

19:50-20:15

3 stops19h 25m

Belfast Intl

Sun 29/11

22:10-19:55

3 stops26h 45m

£580

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 16/10

17:25-20:45

2 stops22h 20m

Belfast Intl

Mon 19/10

21:25-14:55

2 stops22h 30m

£591

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sat 31/10

20:50-14:00

2 stops13h 10m

Belfast Intl

Sat 7/11

15:25-14:40

3 stops28h 15m

£593

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sat 31/10

20:50-17:50

3 stops17h 00m

Belfast Intl

Sat 7/11

15:25-14:40

3 stops28h 15m

£596

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 23/11

19:50-19:10

2 stops18h 20m

Belfast Intl

Sun 29/11

22:10-19:55

3 stops26h 45m

£597

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 16/10

23:00-21:15

3 stops17h 15m

Belfast Intl

Mon 19/10

06:30-21:26

3 stops19h 56m

£616

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sat 31/10

18:15-20:20

2 stops22h 05m

Belfast Intl

Sat 7/11

07:00-19:05

2 stops17h 05m

£626

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 13/10

17:25-22:45

2 stops24h 20m

Belfast Intl

Fri 16/10

08:20-18:50

2 stops15h 30m

£631

Flights are sorted by cheapest return flights first.

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

See travel insights to Belfast from

How to get the cheapest flight ticket from Boston 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 Boston is in July. Flight prices, which tend to average around £0, 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 July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £0.

Cheap Boston to Belfast flight deals and tips

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

Best price found

£240

Fastest flight time

11h 40m

Direct flights

None
The best one-way flight to Belfast from Boston in the past 72 hours is £240. The best return flight deal from Boston to Belfast found on momondo in the last 72 hours is £533.
The fastest flight from Boston to Belfast takes 11h 40m
There are no direct flights from Boston to Belfast. There are no popular flight routes from Boston to Belfast.
Search flight deals

Frequently asked questions about flying from Boston to Belfast

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

    Belfast is 2981.1 mi away from Boston Logan Intl. Typically, this will take 11h 40m by plane in normal conditions.

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

    Prices for flights from Boston Logan Intl Airport to Belfast are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Belfast.

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

    The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Boston 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 Boston to Belfast for you.

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

Yes. momondo allows you to filter the results for Boston to Belfast flights to just show those with flexible booking policies.

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

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

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Boston and alert you when they change.

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/10
Mon 12/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Belfast Intl Airport
Belfast City Airport