Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Boston to Belfast from £266

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
23:00 - 16:15BOS  Boston Logan Intl-BFS Belfast Intl
12h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
09:35 - 21:05BFS  Belfast Intl-BOS Boston Logan Intl
16h 30m1 stop Barcelona-El Prat
£487Multiple Airlines
Mon, 5 Oct - Wed, 21 Oct
Multiple Airlines Logo
17:40 - 19:05BOS  Boston Logan Intl-BFS Belfast Intl
20h 25m2 stops Kastrup Copenhagen Paris Charles de Gaulle
Multiple Airlines Logo
15:35 - 15:35BFS  Belfast Intl-BOS Boston Logan Intl
29h 00m2 stops Paris Charles de Gaulle Kastrup Copenhagen
£578Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
17:40 - 19:05BOS  Boston Logan Intl-BFS Belfast Intl
20h 25m2 stops Kastrup Copenhagen Paris Charles de Gaulle
Multiple Airlines Logo
15:35 - 15:35BFS  Belfast Intl-BOS Boston Logan Intl
29h 00m2 stops Paris Charles de Gaulle Kastrup Copenhagen
£580Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
17:40 - 19:05BOS  Boston Logan Intl-BFS Belfast Intl
20h 25m2 stops Kastrup Copenhagen Paris Charles de Gaulle
Multiple Airlines Logo
15:35 - 15:35BFS  Belfast Intl-BOS Boston Logan Intl
29h 00m2 stops Paris Charles de Gaulle Kastrup Copenhagen
£581Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
20:50 - 21:50BOS  Boston Logan Intl-BFS Belfast Intl
20h 00m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
21:30 - 20:20BFS  Belfast Intl-BOS Boston Logan Intl
27h 50m3 stops London Luton Madrid Barajas Lisbon Humberto Delgado
£591Multiple Airlines
Fri, 2 Oct - Fri, 9 Oct
Multiple Airlines Logo
20:50 - 21:30BOS  Boston Logan Intl-BFS Belfast Intl
19h 40m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
07:00 - 21:45BFS  Belfast Intl-BOS Boston Logan Intl
19h 45m2 stops London Luton Reykjavik Keflavik Intl
£594Multiple Airlines
Sat, 19 Sep - Wed, 23 Sep
Multiple Airlines Logo
20:50 - 20:45BOS  Boston Logan Intl-BFS Belfast Intl
18h 55m3 stops Reykjavik Keflavik Intl Dublin Edinburgh Turnhouse
Multiple Airlines Logo
21:30 - 20:20BFS  Belfast Intl-BOS Boston Logan Intl
27h 50m3 stops London Luton Madrid Barajas Lisbon Humberto Delgado
£601Multiple Airlines
Fri, 2 Oct - Fri, 9 Oct
Multiple Airlines Logo
20:50 - 21:50BOS  Boston Logan Intl-BFS Belfast Intl
20h 00m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
08:20 - 21:45BFS  Belfast Intl-BOS Boston Logan Intl
18h 25m2 stops Glasgow Intl Reykjavik Keflavik Intl
£610Multiple Airlines
Fri, 2 Oct - Fri, 9 Oct
Multiple Airlines Logo
15:35 - 15:55BOS  Boston Logan Intl-BFS Belfast Intl
19h 20m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
06:10 - 21:26BFS  Belfast Intl-BOS Boston Logan Intl
20h 16m2 stops Barcelona-El Prat Montreal Pierre Elliott Trudeau Intl
£616Multiple Airlines
Tue, 6 Oct - Sun, 18 Oct
Multiple Airlines Logo
10:50 - 19:15BOS  Boston Logan Intl-BFS Belfast Intl
27h 25m2 stops Toronto Pearson Intl Edinburgh Turnhouse
Multiple Airlines Logo
05:55 - 16:05BFS  Belfast Intl-BOS Boston Logan Intl
15h 10m2 stops Edinburgh Turnhouse Toronto Pearson Intl
£621Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep

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

British Airways flights from Boston to Belfast

Our best British Airways deals on Boston to Belfast flight tickets
British Airways
17 Feb
BOS07:30Boston Logan Intl
19h 30m
1 stop
BHD08:00Belfast City
23 Feb
BHD06:35Belfast City
12h 45m
1 stop
BOS14:20Boston Logan Intl
£676
British Airways
17 Feb
BOS14:20Boston Logan Intl
14h 45m
2 stops
BHD10:05Belfast City
23 Feb
BHD08:45Belfast City
10h 35m
1 stop
BOS14:20Boston Logan Intl
£679
British Airways
25 Nov
BOS18:35Boston Logan Intl
10h 30m
1 stop
BHD10:05Belfast City
29 Nov
BHD12:00Belfast City
16h 47m
2 stops
BOS23:47Boston Logan Intl
£681

Delta flights from Boston to Belfast

Our best Delta deals on Boston to Belfast flight tickets
Delta
1 Nov
BOS20:55Boston Logan Intl
31h 15m
1 stop
BHD09:10Belfast City
19 Nov
BHD17:20Belfast City
25h 53m
1 stop
BOS14:13Boston Logan Intl
£744
Delta
1 Nov
BOS20:55Boston Logan Intl
14h 55m
1 stop
BHD16:50Belfast City
20 Nov
BHD09:40Belfast City
14h 21m
1 stop
BOS19:01Boston Logan Intl
£744

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

Mon 5/10

23:00-16:15

2 stops12h 15m

Belfast Intl

Wed 21/10

09:35-21:05

1 stop16h 30m

£487

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 5/10

17:40-19:05

2 stops20h 25m

Belfast Intl

Mon 12/10

15:35-15:35

2 stops29h 00m

£578

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 5/10

17:40-19:05

2 stops20h 25m

Belfast Intl

Mon 12/10

15:35-15:35

2 stops29h 00m

£580

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 5/10

17:40-19:05

2 stops20h 25m

Belfast Intl

Mon 12/10

15:35-15:35

2 stops29h 00m

£581

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 2/10

20:50-21:50

2 stops20h 00m

Belfast Intl

Fri 9/10

21:30-20:20

3 stops27h 50m

£591

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sat 19/9

20:50-21:30

2 stops19h 40m

Belfast Intl

Wed 23/9

07:00-21:45

2 stops19h 45m

£594

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 2/10

20:50-20:45

3 stops18h 55m

Belfast Intl

Fri 9/10

21:30-20:20

3 stops27h 50m

£601

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 2/10

20:50-21:50

2 stops20h 00m

Belfast Intl

Fri 9/10

08:20-21:45

2 stops18h 25m

£610

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 6/10

15:35-15:55

2 stops19h 20m

Belfast Intl

Sun 18/10

06:10-21:26

2 stops20h 16m

£616

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Wed 16/9

10:50-19:15

2 stops27h 25m

Belfast Intl

Wed 23/9

05:55-16:05

2 stops15h 10m

£621

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

£266

Fastest flight time

10h 00m

Direct flights

None
The best one-way flight to Belfast from Boston in the past 72 hours is £266. The best return flight deal from Boston to Belfast found on momondo in the last 72 hours is £487.
The fastest flight from Boston to Belfast takes 10h 00m
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 10h 00m 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 21/9
Mon 28/9
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