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Cheap flights from Belfast Intl Airport to Boston from £345

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 13/6. 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 Intl Airport to Boston

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 22:39
BFS
-
BOS
21h 09m
2 stops
Multiple Airlines Logo
15:25 - 20:40
BOS
-
BFS
24h 15m
3 stops
£648Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:35 - 17:35
BFS
-
BOS
29h 00m
3 stops
Multiple Airlines Logo
18:55 - 20:40
BOS
-
BFS
20h 45m
2 stops
£654Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
06:30 - 21:27
BFS
-
BOS
19h 57m
3 stops
Multiple Airlines Logo
15:25 - 20:40
BOS
-
BFS
24h 15m
3 stops
£655Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:35 - 17:35
BFS
-
BOS
29h 00m
3 stops
Multiple Airlines Logo
15:25 - 20:40
BOS
-
BFS
24h 15m
3 stops
£659Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
20:35 - 21:27
BFS
-
BOS
29h 52m
2 stops
Multiple Airlines Logo
10:05 - 11:15
BOS
-
BFS
20h 10m
3 stops
£685Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
06:10 - 20:55
BFS
-
BOS
19h 45m
2 stops
Multiple Airlines Logo
18:55 - 20:40
BOS
-
BFS
20h 45m
2 stops
£713Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
10:30 - 20:20
BFS
-
BOS
14h 50m
1 stop
Multiple Airlines Logo
10:05 - 23:05
BOS
-
BFS
32h 00m
2 stops
£725Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
20:35 - 22:38
BFS
-
BOS
31h 03m
3 stops
Multiple Airlines Logo
10:05 - 11:15
BOS
-
BFS
20h 10m
3 stops
£731Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
17:35 - 22:39
BFS
-
BOS
34h 04m
3 stops
Multiple Airlines Logo
05:45 - 22:25
BOS
-
BFS
35h 40m
3 stops
£741Multiple Airlines
Mon, 15 Jun - Mon, 22 Jun
Multiple Airlines Logo
10:30 - 20:20
BFS
-
BOS
14h 50m
1 stop
Multiple Airlines Logo
10:05 - 23:05
BOS
-
BFS
32h 00m
2 stops
£749Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun

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 15 May 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

Mon 8/6

06:30-22:39

2 stops21h 09m

Boston Logan Intl

Mon 15/6

15:25-20:40

3 stops24h 15m

£648

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 8/6

17:35-17:35

3 stops29h 00m

Boston Logan Intl

Mon 15/6

18:55-20:40

2 stops20h 45m

£654

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 8/6

06:30-21:27

3 stops19h 57m

Boston Logan Intl

Mon 15/6

15:25-20:40

3 stops24h 15m

£655

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 8/6

17:35-17:35

3 stops29h 00m

Boston Logan Intl

Mon 15/6

15:25-20:40

3 stops24h 15m

£659

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 22/6

20:35-21:27

2 stops29h 52m

Boston Logan Intl

Mon 29/6

10:05-11:15

3 stops20h 10m

£685
Fastest return journey

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 8/6

06:10-20:55

2 stops19h 45m

Boston Logan Intl

Mon 15/6

18:55-20:40

2 stops20h 45m

£713

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 8/6

10:30-20:20

1 stop14h 50m

Boston Logan Intl

Mon 15/6

10:05-23:05

2 stops32h 00m

£725

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 22/6

20:35-22:38

3 stops31h 03m

Boston Logan Intl

Mon 29/6

10:05-11:15

3 stops20h 10m

£731

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 15/6

17:35-22:39

3 stops34h 04m

Boston Logan Intl

Mon 22/6

05:45-22:25

3 stops35h 40m

£741

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 8/6

10:30-20:20

1 stop14h 50m

Boston Logan Intl

Mon 15/6

10:05-23:05

2 stops32h 00m

£749

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Belfast Intl Airport 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 month to fly to Boston?

In general, April is the cheapest month to fly from Belfast Intl Airport 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 Intl Airport averaging around £0.

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

10h 25m

Direct flights

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

Frequently asked questions about flying from Belfast Intl Airport to Boston

  • 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 10h 25m 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 £392Free CancellationRating
6.7
7,980 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
Braintree
Amherst
Brookline
Plymouth
Burlington
Falmouth
Chelsea
Foxborough
Randolph
York Beach
Needham
Quincy
Concord
Everett
Hampton
Sandwich

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.

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