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Cheap flights from Boston to Belfast from $271

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 3/6. 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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0 bags

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Find the cheapest flights from Boston to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
3:49 pm - 9:10 amBOS-BHD
13h 21m2 stops
British Airways Logo
7:25 pm - 3:20 pmBHD-BOS
23h 55m1 stop
$515British Airways
Find Deal
Wed, Mar 11 - Mon, Mar 16
British Airways Logo
8:30 am - 8:15 amBOS-BHD
19h 45m1 stop
British Airways Logo
7:25 pm - 3:20 pmBHD-BOS
23h 55m1 stop
$518British Airways
Find Deal
Wed, Mar 11 - Mon, Mar 16
British Airways Logo
7:30 am - 10:30 amBOS-BHD
22h 00m1 stop
British Airways Logo
7:25 pm - 2:20 pmBHD-BOS
23h 55m1 stop
$562British Airways
Find Deal
Tue, Dec 30 - Mon, Jan 12
British Airways Logo
6:55 pm - 10:20 amBOS-BHD
10h 25m1 stop
British Airways Logo
6:00 pm - 2:20 pmBHD-BOS
25h 20m1 stop
$568British Airways
Find Deal
Sun, Jan 25 - Sat, Jan 31
American Airlines Logo
7:15 pm - 10:30 amBOS-BHD
10h 15m1 stop
American Airlines Logo
11:30 am - 10:56 pmBHD-BOS
16h 26m2 stops
$582American Airlines
Find Deal
Tue, Dec 30 - Mon, Jan 12
British Airways Logo
1:22 pm - 11:30 amBOS-BHD
17h 08m2 stops
British Airways Logo
7:25 pm - 4:53 pmBHD-BOS
26h 28m2 stops
$586British Airways
Find Deal
Tue, Dec 30 - Mon, Jan 12
British Airways Logo
7:30 am - 8:25 amBOS-BHD
19h 55m1 stop
British Airways Logo
6:00 pm - 7:33 pmBHD-BOS
30h 33m2 stops
$590British Airways
Find Deal
Sun, Jan 25 - Sat, Jan 31
British Airways Logo
3:35 pm - 1:55 pmBOS-BHD
17h 20m2 stops
British Airways Logo
6:00 pm - 7:33 pmBHD-BOS
30h 33m2 stops
$592British Airways
Find Deal
Sun, Jan 25 - Sat, Jan 31
British Airways Logo
6:55 pm - 11:10 amBOS-BHD
11h 15m1 stop
British Airways Logo
6:35 am - 9:55 pmBHD-BOS
20h 20m1 stop
$603British Airways
Find Deal
Sat, Jan 10 - Sat, Jan 17
British Airways Logo
7:25 am - 8:45 amBOS-BHD
20h 20m1 stop
British Airways Logo
11:00 am - 5:00 pmBHD-BOS
11h 00m1 stop
$609British Airways
Find Deal
Thu, Apr 2 - Sun, Apr 12

British Airways flights from Boston to Belfast City Airport

Our best British Airways deals on Boston to Belfast City Airport flight tickets
British Airways
Mar 11
BOS3:49 pmBoston Logan Intl
13h 21m
2 stops
BHD9:10 amBelfast City
Mar 16
BHD7:25 pmBelfast City
23h 55m
1 stop
BOS3:20 pmBoston Logan Intl
$515
Find similar
British Airways
Mar 11
BOS8:30 amBoston Logan Intl
19h 45m
1 stop
BHD8:15 amBelfast City
Mar 16
BHD7:25 pmBelfast City
23h 55m
1 stop
BOS3:20 pmBoston Logan Intl
$518
Find similar
British Airways
Dec 30
BOS7:30 amBoston Logan Intl
22h 00m
1 stop
BHD10:30 amBelfast City
Jan 12
BHD7:25 pmBelfast City
23h 55m
1 stop
BOS2:20 pmBoston Logan Intl
$562
Find similar

American Airlines flights from Boston to Belfast City Airport

Our best American Airlines deals on Boston to Belfast City Airport flight tickets
American Airlines
Dec 30
BOS7:15 pmBoston Logan Intl
10h 15m
1 stop
BHD10:30 amBelfast City
Jan 12
BHD11:30 amBelfast City
16h 26m
2 stops
BOS10:56 pmBoston Logan Intl
$582
Find similar
American Airlines
Jan 18
BOS6:55 pmBoston Logan Intl
10h 25m
1 stop
BHD10:20 amBelfast City
Jan 22
BHD6:35 amBelfast City
15h 15m
2 stops
BOS4:50 pmBoston Logan Intl
$859
Find similar
American Airlines
Jan 18
BOS7:25 pmBoston Logan Intl
13h 30m
2 stops
BHD1:55 pmBelfast City
Jan 22
BHD6:35 amBelfast City
15h 15m
2 stops
BOS4:50 pmBoston Logan Intl
$860
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Belfast City Airport 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 832,500 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Boston to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 3/11

3:49 pm-9:10 am

2 stops13h 21m

Belfast City

Mon 3/16

7:25 pm-3:20 pm

1 stop23h 55m

$515

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 3/11

8:30 am-8:15 am

1 stop19h 45m

Belfast City

Mon 3/16

7:25 pm-3:20 pm

1 stop23h 55m

$518

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 12/30

7:30 am-10:30 am

1 stop22h 00m

Belfast City

Mon 1/12

7:25 pm-2:20 pm

1 stop23h 55m

$562

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/25

6:55 pm-10:20 am

1 stop10h 25m

Belfast City

Sat 1/31

6:00 pm-2:20 pm

1 stop25h 20m

$568

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 12/30

7:15 pm-10:30 am

1 stop10h 15m

Belfast City

Mon 1/12

11:30 am-10:56 pm

2 stops16h 26m

$582

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 12/30

1:22 pm-11:30 am

2 stops17h 08m

Belfast City

Mon 1/12

7:25 pm-4:53 pm

2 stops26h 28m

$586

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/25

7:30 am-8:25 am

1 stop19h 55m

Belfast City

Sat 1/31

6:00 pm-7:33 pm

2 stops30h 33m

$590

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/25

3:35 pm-1:55 pm

2 stops17h 20m

Belfast City

Sat 1/31

6:00 pm-7:33 pm

2 stops30h 33m

$592

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 1/10

6:55 pm-11:10 am

1 stop11h 15m

Belfast City

Sat 1/17

6:35 am-9:55 pm

1 stop20h 20m

$603

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 4/2

7:25 am-8:45 am

1 stop20h 20m

Belfast City

Sun 4/12

11:00 am-5:00 pm

1 stop11h 00m

$609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Boston to Belfast City Airport

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 Belfast City Airport?

On average, the least expensive day to fly to Belfast City Airport from Boston is on a Sunday. momondo users have found tickets for Sunday departures for as low as $623. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $792.

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

According to our data, the cheapest time of day to fly to Belfast City Airport is in the afternoon. momondo users have found flights departing from Boston to Belfast City Airport in the afternoon for as low as $642. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $660.

When to book flights from Boston to Belfast City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Belfast City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Belfast City Airport (BOS to BHD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Belfast City Airport

Fastest flight time

9h 25m

Direct flights

None
The fastest flight from Boston to Belfast City Airport takes 9h 25m
There are no direct flights from Boston to Belfast City Airport. There are no popular flight routes from Boston to Belfast City Airport.
Search flight deals

  • How far is Boston Logan Intl to Belfast City by plane?

    The straight-line distance from Boston Logan Intl to Belfast City is 2983.1 mi. 9h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Belfast City Airport?

    Prices for flights from Boston Logan Intl Airport to Belfast City Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Belfast City Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Belfast City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Belfast City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

    The travel and health documents required for your trip to Belfast City Airport 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 City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boston to Belfast City Airport?

Best airlines flying from Boston to Belfast City Airport

Compare and see reviews for airlines that fly from Boston to Belfast City Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $650Free CancellationRating
6.7
7,545 reviews
Search British Airways flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Belfast?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Belfast. momondo saves you time and could save you money on your trip.

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?

Price alerts on flights to Belfast from Boston 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.

An easier way to manage your Belfast City Airport trip

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