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Cheap flights from Boston to Belfast from £351

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 31/5. 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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Belfast.

Cheap last-minute flights

Planning a quick getaway from Boston to Belfast? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Belfast, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Boston to Belfast

Find recent return train or bus tickets from Boston to Belfast.

All return flight deals from Boston to Belfast

The cheapest plane tickets from Boston to Belfast found on KAYAK recently.
18:20 - 20:05BOS-BFS
20h 45m2 stops
05:45 - 17:00BFS-BOS
16h 15m2 stops
Thu, 27 Feb - Mon, 3 Mar
20:20 - 20:20BOS-BHD
19h 00m1 stop
18:00 - 15:20BHD-BOS
26h 20m2 stops
£455British Airways
Find Deal
Thu, 6 Feb - Sat, 8 Feb
21:15 - 20:20BOS-BHD
19h 05m1 stop
06:35 - 22:55BHD-BOS
20h 20m1 stop
£512Finnair
Find Deal
Thu, 13 Mar - Thu, 20 Mar
20:00 - 19:15BOS-BHD
18h 15m1 stop
06:30 - 21:55BHD-BOS
20h 25m1 stop
£524Finnair
Find Deal
Fri, 28 Feb - Sun, 9 Mar
21:25 - 16:25BOS-BHD
14h 00m2 stops
20:05 - 14:40BHD-BOS
23h 35m2 stops
£941Aer Lingus
Find Deal
Wed, 16 Jul - Sun, 20 Jul
17:30 - 12:50BOS-BHD
14h 20m2 stops
06:50 - 14:40BHD-BOS
12h 50m2 stops
£957Aer Lingus
Find Deal
Fri, 4 Jul - Wed, 16 Jul
18:45 - 21:15BOS-BHD
21h 30m1 stop
17:25 - 13:40BHD-BOS
25h 15m1 stop
£974KLM
Find Deal
Fri, 4 Jul - Mon, 14 Jul
20:25 - 16:55BOS-BHD
15h 30m1 stop
17:25 - 07:21BHD-BOS
18h 56m2 stops
£983Delta
Find Deal
Sun, 6 Jul - Wed, 16 Jul
15:05 - 16:55BOS-BHD
20h 50m2 stops
06:30 - 13:40BHD-BOS
12h 10m1 stop
£1,060Delta
Find Deal
Fri, 4 Jul - Mon, 14 Jul
18:45 - 21:15BOS-BHD
21h 30m1 stop
06:30 - 18:48BHD-BOS
17h 18m2 stops
£1,065KLM
Find Deal
Sat, 5 Jul - Mon, 14 Jul
18:35 - 12:15BOS-BHD
12h 40m2 stops
£351Aer Lingus
Find Deal
Sat, 31 May
19:40 - 12:15BOS-BHD
11h 35m1 stop
£495British Airways
Find Deal
Sat, 31 May
22:00 - 10:20BOS-BFS
31h 20m1 stop
07:40 - 17:00BFS-BOS
14h 20m2 stops
Wed, 22 Jan - Wed, 29 Jan
16:15 - 22:30BOS-BFS
25h 15m2 stops
07:40 - 17:00BFS-BOS
14h 20m2 stops
Wed, 22 Jan - Wed, 29 Jan
16:15 - 22:30BOS-BFS
25h 15m2 stops
07:40 - 20:05BFS-BOS
41h 25m3 stops
Wed, 22 Jan - Wed, 29 Jan
22:00 - 15:20BOS-BFS
12h 20m1 stop
20:55 - 14:00BFS-BOS
22h 05m1 stop
£1,087
Find Deal
Wed, 22 Jan - Wed, 29 Jan

Finnair flights from Boston to Belfast

Our best Finnair deals on Boston to Belfast flight tickets
Finnair
13 Mar
BOS21:15Boston Logan Intl
19h 05m
1 stop
BHD20:20Belfast City
20 Mar
BHD06:35Belfast City
20h 20m
1 stop
BOS22:55Boston Logan Intl
Finnair
28 Feb
BOS20:00Boston Logan Intl
18h 15m
1 stop
BHD19:15Belfast City
9 Mar
BHD06:30Belfast City
20h 25m
1 stop
BOS21:55Boston Logan Intl
Finnair
15 Feb
BOS20:00Boston Logan Intl
19h 25m
1 stop
BHD20:25Belfast City
20 Feb
BHD06:35Belfast City
20h 20m
1 stop
BOS21:55Boston Logan Intl

Aer Lingus flights from Boston to Belfast

Our best Aer Lingus deals on Boston to Belfast flight tickets
Aer Lingus
16 Jul
BOS21:25Boston Logan Intl
14h 00m
2 stops
BHD16:25Belfast City
20 Jul
BHD20:05Belfast City
23h 35m
2 stops
BOS14:40Boston Logan Intl
Aer Lingus
4 Jul
BOS17:30Boston Logan Intl
14h 20m
2 stops
BHD12:50Belfast City
16 Jul
BHD06:50Belfast City
12h 50m
2 stops
BOS14:40Boston Logan Intl
Aer Lingus
16 Jul
BOS21:25Boston Logan Intl
14h 00m
2 stops
BHD16:25Belfast City
20 Jul
BHD20:05Belfast City
27h 40m
2 stops
BOS18:45Boston 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 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 £517. 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

£351

Fastest flight time

9h 30m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Boston in the past 72 hours is £351. The best return flight deal from Boston to Belfast found on momondo in the last 72 hours is £445.
The fastest flight from Boston to Belfast takes 9h 30m
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 30m 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