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Cheap flights from Belfast Intl Airport to Boston from £301

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 Intl Airport to Boston departing on 28/4. 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

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Find the cheapest flights from Belfast Intl Airport to Boston

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:40 - 06:50
BFS
-
BOS
40h 10m
3 stops
Multiple Airlines Logo
23:00 - 23:05
BOS
-
BFS
19h 05m
2 stops
£589Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
06:10 - 18:50
BFS
-
BOS
17h 40m
2 stops
Multiple Airlines Logo
23:00 - 20:35
BOS
-
BFS
16h 35m
2 stops
£603Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
19:40 - 06:50
BFS
-
BOS
40h 10m
3 stops
Multiple Airlines Logo
23:00 - 23:00
BOS
-
BFS
19h 00m
3 stops
£619Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
21:30 - 19:50
BFS
-
BOS
27h 20m
2 stops
Multiple Airlines Logo
21:45 - 23:10
BOS
-
BFS
20h 25m
2 stops
£621Multiple Airlines
Fri, 12 Jun - Sun, 14 Jun
Multiple Airlines Logo
06:40 - 22:39
BFS
-
BOS
20h 59m
2 stops
Multiple Airlines Logo
20:50 - 23:20
BOS
-
BFS
21h 30m
3 stops
£682Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
06:40 - 21:27
BFS
-
BOS
19h 47m
3 stops
Multiple Airlines Logo
20:50 - 23:20
BOS
-
BFS
21h 30m
3 stops
£689Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
21:05 - 19:55
BFS
-
BOS
27h 50m
2 stops
Multiple Airlines Logo
05:50 - 18:50
BOS
-
BFS
32h 00m
3 stops
£705Multiple Airlines
Sun, 10 May - Sun, 17 May
Multiple Airlines Logo
14:00 - 15:35
BFS
-
BOS
30h 35m
2 stops
Multiple Airlines Logo
17:40 - 20:55
BOS
-
BFS
22h 15m
2 stops
£737Multiple Airlines
Sun, 10 May - Sun, 17 May
Multiple Airlines Logo
06:10 - 20:20
BFS
-
BOS
19h 10m
3 stops
Multiple Airlines Logo
05:50 - 18:50
BOS
-
BFS
32h 00m
3 stops
£761Multiple Airlines
Sun, 10 May - Sun, 17 May
Multiple Airlines Logo
14:50 - 09:35
BFS
-
BOS
47h 45m
2 stops
Multiple Airlines Logo
23:10 - 23:00
BOS
-
BFS
18h 50m
1 stop
£764Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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 28 March 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 7/5

19:40-06:50

3 stops40h 10m

Boston Logan Intl

Thu 14/5

23:00-23:05

2 stops19h 05m

£589
Fastest return journey

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 7/5

06:10-18:50

2 stops17h 40m

Boston Logan Intl

Thu 14/5

23:00-20:35

2 stops16h 35m

£603

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 7/5

19:40-06:50

3 stops40h 10m

Boston Logan Intl

Thu 14/5

23:00-23:00

3 stops19h 00m

£619

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 12/6

21:30-19:50

2 stops27h 20m

Boston Logan Intl

Sun 14/6

21:45-23:10

2 stops20h 25m

£621

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 18/5

06:40-22:39

2 stops20h 59m

Boston Logan Intl

Mon 25/5

20:50-23:20

3 stops21h 30m

£682

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 18/5

06:40-21:27

3 stops19h 47m

Boston Logan Intl

Mon 25/5

20:50-23:20

3 stops21h 30m

£689

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 10/5

21:05-19:55

2 stops27h 50m

Boston Logan Intl

Sun 17/5

05:50-18:50

3 stops32h 00m

£705

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 10/5

14:00-15:35

2 stops30h 35m

Boston Logan Intl

Sun 17/5

17:40-20:55

2 stops22h 15m

£737

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 10/5

06:10-20:20

3 stops19h 10m

Boston Logan Intl

Sun 17/5

05:50-18:50

3 stops32h 00m

£761

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 23/4

14:50-09:35

2 stops47h 45m

Boston Logan Intl

Thu 30/4

23:10-23:00

1 stop18h 50m

£764

Flights are sorted by cheapest return flights first.

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

When to book flights from Belfast Intl Airport to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast Intl Airport to Boston (BFS to BOS) flight deals and tips

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

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Belfast Intl Airport to Boston takes 15h 00m
There are no direct flights from Belfast Intl Airport to Boston. There are no popular flight routes from Belfast Intl Airport to Boston.
Search flight deals

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

    A flight from Belfast Intl to Boston Logan Intl will travel around 2969.1 mi. Typically, this will take 15h 00m by plane in normal conditions.

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

    Prices for flights from Belfast Intl Airport to Boston Logan Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast Intl Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Belfast Intl Airport to Boston?

Best airlines flying from Belfast Intl Airport to Boston

Compare and see reviews for airlines that fly from Belfast Intl Airport to Boston with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £397Free CancellationRating
6.7
7,825 reviews
Search British Airways flights

  • How do I get Price Alerts for flights from Belfast Intl Airport to Boston?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Belfast Intl Airport from Boston. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Belfast Intl Airport to Boston with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Salem
Waltham
Cambridge
Amherst
Brookline
Falmouth
Chelsea
Burlington
Randolph
Braintree
York Beach
Quincy
Needham
Foxborough
Concord
Plymouth
Cape Neddick
Old Orchard Beach
Everett
Revere

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Boston?

It is quick and easy to find Belfast to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

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

All flight searches from Belfast to Boston on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Belfast to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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