Cheap flights from Belfast to Boston from £298

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 16/10. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

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.

Find the cheapest flights from Belfast to Boston

Cheap return flights

 Logo
06:30 - 17:50BFS-BOS
16h 20m2 stops
 Logo
19:50 - 20:15BOS-BFS
19h 25m2 stops
mer., 26 nov. - sam., 29 nov.
 Logo
07:25 - 17:50BHD-BOS
15h 25m2 stops
 Logo
19:50 - 20:35BOS-BHD
19h 45m2 stops
mer., 26 nov. - sam., 29 nov.
 Logo
21:00 - 14:20BFS-BOS
46h 20m3 stops
 Logo
23:35 - 22:20BOS-BFS
17h 45m3 stops
dim., 5 oct. - dim., 12 oct.
 Logo
19:35 - 14:20BFS-BOS
47h 45m3 stops
 Logo
12:35 - 22:30BOS-BFS
28h 55m2 stops
sam., 4 oct. - sam., 11 oct.
Delta Logo
06:30 - 18:55BHD-BOS
17h 25m1 stop
Delta Logo
19:10 - 16:50BOS-BHD
16h 40m1 stop
£481Delta
Find Deal
mer., 26 nov. - sam., 29 nov.
Delta Logo
06:30 - 18:25BHD-BOS
16h 55m2 stops
Delta Logo
19:10 - 21:00BOS-BHD
20h 50m1 stop
£485Delta
Find Deal
mer., 26 nov. - sam., 29 nov.
 Logo
22:10 - 14:20BFS-BOS
45h 10m3 stops
 Logo
17:30 - 18:35BOS-BFS
20h 05m2 stops
dim., 12 oct. - mer., 15 oct.
 Logo
21:00 - 14:20BFS-BOS
46h 20m3 stops
 Logo
23:35 - 22:00BOS-BFS
17h 25m3 stops
dim., 12 oct. - mer., 15 oct.
 Logo
19:35 - 14:20BFS-BOS
47h 45m3 stops
 Logo
12:35 - 22:30BOS-BFS
28h 55m3 stops
sam., 4 oct. - sam., 11 oct.
British Airways Logo
13:40 - 22:45BHD-BOS
14h 05m1 stop
British Airways Logo
21:55 - 15:30BOS-BHD
12h 35m1 stop
£962British Airways
Find Deal
mar., 2 sept. - ven., 12 sept.

Delta flights from Belfast to Boston

Our best Delta deals on Belfast to Boston flight tickets
Delta
26 Nov
BHD06:30Belfast City
17h 25m
1 stop
BOS18:55Boston Logan Intl
29 Nov
BOS19:10Boston Logan Intl
16h 40m
1 stop
BHD16:50Belfast City
Delta
26 Nov
BHD06:30Belfast City
16h 55m
2 stops
BOS18:25Boston Logan Intl
29 Nov
BOS19:10Boston Logan Intl
20h 50m
1 stop
BHD21:00Belfast City

British Airways flights from Belfast to Boston

Our best British Airways deals on Belfast to Boston flight tickets
British Airways
2 Sept
BHD13:40Belfast City
14h 05m
1 stop
BOS22:45Boston Logan Intl
12 Sept
BOS21:55Boston Logan Intl
12h 35m
1 stop
BHD15:30Belfast City
British Airways
28 Aug
BHD12:40Belfast City
15h 00m
1 stop
BOS22:40Boston Logan Intl
12 Sept
BOS21:55Boston Logan Intl
12h 35m
1 stop
BHD15:30Belfast City

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 22 août 2025.
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

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

mer. 26/11

06:30-17:50

2 stops16h 20m

Boston Logan Intl

sam. 29/11

19:50-20:15

2 stops19h 25m

£443

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

mer. 26/11

07:25-17:50

2 stops15h 25m

Boston Logan Intl

sam. 29/11

19:50-20:35

2 stops19h 45m

£455

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

dim. 5/10

21:00-14:20

3 stops46h 20m

Boston Logan Intl

dim. 12/10

23:35-22:20

3 stops17h 45m

£467

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

sam. 4/10

19:35-14:20

3 stops47h 45m

Boston Logan Intl

sam. 11/10

12:35-22:30

2 stops28h 55m

£478

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

mer. 26/11

06:30-18:55

1 stop17h 25m

Boston Logan Intl

sam. 29/11

19:10-16:50

1 stop16h 40m

£481

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

mer. 26/11

06:30-18:25

2 stops16h 55m

Boston Logan Intl

sam. 29/11

19:10-21:00

1 stop20h 50m

£485

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

dim. 12/10

22:10-14:20

3 stops45h 10m

Boston Logan Intl

mer. 15/10

17:30-18:35

2 stops20h 05m

£485

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

dim. 12/10

21:00-14:20

3 stops46h 20m

Boston Logan Intl

mer. 15/10

23:35-22:00

3 stops17h 25m

£487

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

sam. 4/10

19:35-14:20

3 stops47h 45m

Boston Logan Intl

sam. 11/10

12:35-22:30

3 stops28h 55m

£490

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

mar. 2/9

13:40-22:45

1 stop14h 05m

Boston Logan Intl

ven. 12/9

21:55-15:30

1 stop12h 35m

£962

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 day to depart on your flight to Boston?

The cheapest day to depart on your flight to Boston is on a Tuesday when prices can be found for as low as £455. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £864. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

What is the cheapest time of day to depart on your flight to Boston?

Our most recent data shows that the best time of day to fly to Boston is at midday. Flights from Belfast to Boston during this time can be as low as £453. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around £545 per ticket.

Cheap Belfast to Boston flight deals and tips

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

Direct flights

None
There are no direct flights from Belfast to Boston. There are no popular flight routes 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 48m.

  • 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 £344Free CancellationRating
6.7
7,292 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
Burlington
Amherst
Plymouth
Randolph
Brookline
Braintree
Needham
Revere
Falmouth
York Beach
West Yarmouth
Somerville
Warwick
Concord
Hampton
Hull
Cape Neddick
South Portland

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mer. 27/8
mer. 3/9

Find better results for your trip to the United States