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Cheap flights from Boston to Belfast from £276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Belfast departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Belfast

Cheap return flights

These are some of the best return flight deals from Boston to Belfast that have been recently found on momondo from popular airlines, departing in the coming months.
19:20 - 18:55BOS-BFS
19h 35m2 stops
19:10 - 17:50BFS-BOS
27h 40m2 stops
Thu, 27 Mar - Mon, 31 Mar
19:20 - 21:15BOS-BFS
21h 55m2 stops
21:10 - 18:00BFS-BOS
24h 50m2 stops
Tue, 18 Mar - Mon, 24 Mar
19:25 - 10:30BOS-BHD
11h 05m1 stop
19:30 - 14:05BHD-BOS
22h 35m1 stop
£494British Airways
Find Deal
Tue, 18 Mar - Mon, 24 Mar
19:20 - 20:20BOS-BFS
21h 00m2 stops
10:50 - 18:00BFS-BOS
35h 10m2 stops
Wed, 19 Mar - Mon, 24 Mar
19:40 - 13:35BOS-BHD
13h 55m2 stops
19:30 - 15:00BHD-BOS
23h 30m1 stop
£497British Airways
Find Deal
Tue, 18 Mar - Mon, 24 Mar
19:39 - 14:00BOS-BHD
14h 21m2 stops
06:40 - 17:20BHD-BOS
15h 40m2 stops
£528American Airlines
Find Deal
Thu, 27 Mar - Mon, 31 Mar
19:49 - 10:35BOS-BHD
33h 46m2 stops
20:05 - 11:05BHD-BOS
20h 00m1 stop
£547Finnair
Find Deal
Mon, 12 May - Fri, 16 May
19:49 - 07:45BOS-BHD
30h 56m2 stops
20:05 - 23:20BHD-BOS
32h 15m2 stops
£551Finnair
Find Deal
Mon, 12 May - Fri, 16 May
17:30 - 11:55BOS-BHD
13h 25m2 stops
18:00 - 00:17BHD-BOS
35h 17m2 stops
£752Aer Lingus
Find Deal
Wed, 9 Apr - Sat, 19 Apr
18:35 - 14:40BOS-BHD
15h 05m2 stops
19:00 - 14:40BHD-BOS
24h 40m2 stops
£961Aer Lingus
Find Deal
Sun, 15 Jun - Sat, 21 Jun

British Airways flights from Boston to Belfast

Our best British Airways deals on Boston to Belfast flight tickets
British Airways
18 Mar
BOS19:25Boston Logan Intl
11h 05m
1 stop
BHD10:30Belfast City
24 Mar
BHD19:30Belfast City
22h 35m
1 stop
BOS14:05Boston Logan Intl
British Airways
18 Mar
BOS19:40Boston Logan Intl
13h 55m
2 stops
BHD13:35Belfast City
24 Mar
BHD19:30Belfast City
23h 30m
1 stop
BOS15:00Boston Logan Intl
British Airways
27 Mar
BOS23:00Boston Logan Intl
11h 00m
1 stop
BHD14:00Belfast City
31 Mar
BHD15:25Belfast City
12h 10m
1 stop
BOS22:35Boston Logan Intl

Finnair flights from Boston to Belfast

Our best Finnair deals on Boston to Belfast flight tickets
Finnair
12 May
BOS19:49Boston Logan Intl
33h 46m
2 stops
BHD10:35Belfast City
16 May
BHD20:05Belfast City
20h 00m
1 stop
BOS11:05Boston Logan Intl
Finnair
12 May
BOS19:49Boston Logan Intl
30h 56m
2 stops
BHD07:45Belfast City
16 May
BHD20:05Belfast City
32h 15m
2 stops
BOS23:20Boston Logan Intl
Finnair
29 Jun
BOS19:25Boston Logan Intl
11h 05m
1 stop
BHD11:30Belfast City
5 Jul
BHD16:15Belfast City
24h 05m
1 stop
BOS11:20Boston Logan Intl

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 February. Flight prices, which tend to average around £482, 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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £493.

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

The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £0. Flights to Belfast are more costly in the afternoon, with an average ticket price of £504. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

£276

Fastest flight time

10h 05m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Boston in the past 72 hours is £276. The best return flight deal from Boston to Belfast found on momondo in the last 72 hours is £468.
The fastest flight from Boston to Belfast takes 10h 05m
There are no direct flights from Boston to Belfast. Popular non-direct routes for this connection are Boston Logan Intl Airport - Belfast City Airport and Boston Logan Intl Airport - Belfast Intl Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)

  • 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 05m 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.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast