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Cheap flights from Belfast Intl Airport to Boston from £544

This is the cheapest return 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 26/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Belfast Intl Airport to Boston

Cheap return flights

Logo
16:45 - 15:35BFS-BOS
26h 50m2 stops
Logo
19:50 - 18:55BOS-BFS
18h 05m3 stops
£544
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Logo
22:20 - 15:35BFS-BOS
45h 15m3 stops
Logo
19:50 - 18:55BOS-BFS
18h 05m3 stops
£553
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Logo
16:45 - 15:35BFS-BOS
26h 50m2 stops
Logo
21:20 - 14:55BOS-BFS
12h 35m2 stops
£606
Find Deal
Sun, 26 Oct - Sun, 2 Nov

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 12 September 2025.
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

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 26/10

16:45-15:35

2 stops26h 50m

Boston Logan Intl

Sun 2/11

19:50-18:55

3 stops18h 05m

£544

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 26/10

22:20-15:35

3 stops45h 15m

Boston Logan Intl

Sun 2/11

19:50-18:55

3 stops18h 05m

£553

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 26/10

16:45-15:35

2 stops26h 50m

Boston Logan Intl

Sun 2/11

21:20-14:55

2 stops12h 35m

£606

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 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 £451. 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 £858. 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 Intl Airport to Boston during this time can be as low as £450. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around £540 per ticket.

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

Direct flights

None
There are no direct flights from Belfast Intl Airport to Boston. There are no popular flight routes from Belfast Intl Airport to Boston.
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  • 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 26h 50m 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 £390Free CancellationRating
6.6
7,361 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
Falmouth
Plymouth
Randolph
Brookline
Braintree
Needham
Revere
York Beach
West Yarmouth
Somerville
Warwick
Concord
Hampton
Hull
Cape Neddick
Old Orchard Beach

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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