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Cheap flights from Boston to Belfast from £257

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 6/8. 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

KAYAK's recommended return flight deals from the most popular airlines that fly from Boston to Belfast.
19:15 - 21:30BOS-BFS
21h 15m2 stops
21:55 - 17:50BFS-BOS
24h 55m2 stops
Tue, 6 May - Mon, 12 May
19:15 - 13:50BOS-BFS
13h 35m2 stops
06:45 - 17:50BFS-BOS
16h 05m2 stops
Mon, 28 Apr - Mon, 5 May
21:55 - 15:20BOS-BHD
12h 25m1 stop
14:45 - 20:10BHD-BOS
10h 25m1 stop
£496British Airways
Find Deal
Tue, 29 Apr - Wed, 7 May
22:00 - 15:40BOS-BHD
12h 40m1 stop
12:15 - 20:10BHD-BOS
12h 55m1 stop
£501British Airways
Find Deal
Mon, 28 Apr - Mon, 5 May
20:00 - 12:55BOS-BHD
11h 55m1 stop
13:50 - 22:49BHD-BOS
13h 59m2 stops
£518American Airlines
Find Deal
Mon, 28 Apr - Mon, 5 May
22:00 - 15:40BOS-BHD
12h 40m1 stop
13:40 - 00:15BHD-BOS
15h 35m2 stops
£545American Airlines
Find Deal
Mon, 8 Sep - Tue, 16 Sep
20:05 - 11:55BOS-BHD
10h 50m1 stop
20:15 - 22:53BHD-BOS
31h 38m2 stops
£668Finnair
Find Deal
Wed, 28 May - Wed, 4 Jun
21:25 - 14:35BOS-BHD
12h 10m2 stops
07:00 - 18:45BHD-BOS
16h 45m2 stops
£800Aer Lingus
Find Deal
Wed, 28 May - Tue, 3 Jun
17:30 - 13:00BOS-BHD
14h 30m2 stops
07:00 - 18:45BHD-BOS
16h 45m2 stops
£817Aer Lingus
Find Deal
Tue, 27 May - Tue, 3 Jun
17:59 - 10:10BOS-BHD
35h 11m2 stops
19:30 - 23:34BHD-BOS
33h 04m2 stops
£1,302Finnair
Find Deal
Fri, 27 Jun - Mon, 7 Jul

American Airlines flights from Boston to Belfast

Our best American Airlines deals on Boston to Belfast flight tickets
American Airlines
28 Apr
BOS20:00Boston Logan Intl
11h 55m
1 stop
BHD12:55Belfast City
5 May
BHD13:50Belfast City
13h 59m
2 stops
BOS22:49Boston Logan Intl
American Airlines
8 Sept
BOS22:00Boston Logan Intl
12h 40m
1 stop
BHD15:40Belfast City
16 Sept
BHD13:40Belfast City
15h 35m
2 stops
BOS00:15Boston Logan Intl

Finnair flights from Boston to Belfast

Our best Finnair deals on Boston to Belfast flight tickets
Finnair
28 May
BOS20:05Boston Logan Intl
10h 50m
1 stop
BHD11:55Belfast City
4 Jun
BHD20:15Belfast City
31h 38m
2 stops
BOS22:53Boston Logan Intl
Finnair
27 Jun
BOS17:59Boston Logan Intl
35h 11m
2 stops
BHD10:10Belfast City
7 Jul
BHD19:30Belfast City
33h 04m
2 stops
BOS23:34Boston 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 £455, 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 April 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 £492. 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

£257

Fastest flight time

9h 20m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Boston in the past 72 hours is £257. The best return flight deal from Boston to Belfast found on momondo in the last 72 hours is £411.
The fastest flight from Boston to Belfast takes 9h 20m
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 9h 20m 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