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Cheap flights from Boston to Belfast from $268

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 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
6:55 pm - 10:30 amBOS-BHD
10h 35m1 stop
British Airways Logo
11:25 am - 7:45 pmBHD-BOS
13h 20m1 stop
$536British Airways
Find Deal
Tue, Nov 11 - Tue, Nov 18
American Airlines Logo
8:15 pm - 11:30 amBOS-BHD
11h 15m1 stop
American Airlines Logo
8:45 am - 4:10 pmBHD-BOS
12h 25m1 stop
$539American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
British Airways Logo
6:55 pm - 10:40 amBOS-BHD
10h 45m1 stop
British Airways Logo
2:40 pm - 2:20 pmBHD-BOS
28h 40m1 stop
$551British Airways
Find Deal
Mon, Feb 9 - Mon, Feb 16
British Airways Logo
3:47 pm - 10:30 amBOS-BHD
13h 43m2 stops
British Airways Logo
11:25 am - 9:55 pmBHD-BOS
15h 30m1 stop
$558British Airways
Find Deal
Tue, Nov 11 - Tue, Nov 18
Delta Logo
5:40 pm - 4:50 pmBOS-BHD
19h 10m2 stops
Delta Logo
6:30 am - 1:20 pmBHD-BOS
11h 50m1 stop
$564Delta
Find Deal
Tue, Oct 28 - Tue, Nov 4
British Airways Logo
3:47 pm - 10:30 amBOS-BHD
13h 43m2 stops
British Airways Logo
8:45 am - 6:47 pmBHD-BOS
15h 02m2 stops
$566British Airways
Find Deal
Tue, Nov 11 - Tue, Nov 18
Delta Logo
1:55 pm - 4:50 pmBOS-BHD
21h 55m2 stops
Delta Logo
5:20 pm - 1:25 pmBHD-BOS
25h 05m1 stop
$574Delta
Find Deal
Mon, Feb 9 - Mon, Feb 16
Delta Logo
5:40 pm - 9:00 pmBOS-BHD
23h 20m2 stops
Delta Logo
6:30 am - 9:15 pmBHD-BOS
19h 45m2 stops
$575Delta
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
4:40 pm - 4:50 pmBOS-BHD
19h 10m2 stops
Delta Logo
5:20 pm - 6:23 pmBHD-BOS
30h 03m2 stops
$584Delta
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Mon, Feb 9 - Mon, Feb 16
Finnair Logo
6:55 pm - 11:30 amBOS-BHD
11h 35m1 stop
Finnair Logo
11:35 am - 10:56 pmBHD-BOS
16h 21m2 stops
$688Finnair
Find Deal
Tue, Jan 6 - Sat, Jan 10

British Airways flights from Boston to Belfast City Airport

Our best British Airways deals on Boston to Belfast City Airport flight tickets
British Airways
Nov 11
BOS6:55 pmBoston Logan Intl
10h 35m
1 stop
BHD10:30 amBelfast City
Nov 18
BHD11:25 amBelfast City
13h 20m
1 stop
BOS7:45 pmBoston Logan Intl
$536
Find similar
British Airways
Feb 9
BOS6:55 pmBoston Logan Intl
10h 45m
1 stop
BHD10:40 amBelfast City
Feb 16
BHD2:40 pmBelfast City
28h 40m
1 stop
BOS2:20 pmBoston Logan Intl
$551
Find similar
British Airways
Nov 11
BOS3:47 pmBoston Logan Intl
13h 43m
2 stops
BHD10:30 amBelfast City
Nov 18
BHD11:25 amBelfast City
15h 30m
1 stop
BOS9:55 pmBoston Logan Intl
$558
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
Oct 28
BOS8:15 pmBoston Logan Intl
11h 15m
1 stop
BHD11:30 amBelfast City
Nov 4
BHD8:45 amBelfast City
12h 25m
1 stop
BOS4:10 pmBoston Logan Intl
$539
Find similar
American Airlines
Oct 19
BOS8:10 pmBoston Logan Intl
11h 55m
1 stop
BHD1:05 pmBelfast City
Nov 4
BHD6:35 amBelfast City
14h 35m
1 stop
BOS4:10 pmBoston Logan Intl
$541
Find similar
American Airlines
Nov 6
BOS7:25 pmBoston Logan Intl
18h 25m
1 stop
BHD6:50 pmBelfast City
Nov 11
BHD10:00 amBelfast City
11h 10m
1 stop
BOS4:10 pmBoston Logan Intl
$599
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 October 14, 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

Tue 11/11

6:55 pm-10:30 am

1 stop10h 35m

Belfast City

Tue 11/18

11:25 am-7:45 pm

1 stop13h 20m

$536

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 10/28

8:15 pm-11:30 am

1 stop11h 15m

Belfast City

Tue 11/4

8:45 am-4:10 pm

1 stop12h 25m

$539

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 2/9

6:55 pm-10:40 am

1 stop10h 45m

Belfast City

Mon 2/16

2:40 pm-2:20 pm

1 stop28h 40m

$551

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 11/11

3:47 pm-10:30 am

2 stops13h 43m

Belfast City

Tue 11/18

11:25 am-9:55 pm

1 stop15h 30m

$558

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 10/28

5:40 pm-4:50 pm

2 stops19h 10m

Belfast City

Tue 11/4

6:30 am-1:20 pm

1 stop11h 50m

$564

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 11/11

3:47 pm-10:30 am

2 stops13h 43m

Belfast City

Tue 11/18

8:45 am-6:47 pm

2 stops15h 02m

$566

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 2/9

1:55 pm-4:50 pm

2 stops21h 55m

Belfast City

Mon 2/16

5:20 pm-1:25 pm

1 stop25h 05m

$574

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 10/28

5:40 pm-9:00 pm

2 stops23h 20m

Belfast City

Tue 11/4

6:30 am-9:15 pm

2 stops19h 45m

$575

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 2/9

4:40 pm-4:50 pm

2 stops19h 10m

Belfast City

Mon 2/16

5:20 pm-6:23 pm

2 stops30h 03m

$584

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 1/6

6:55 pm-11:30 am

1 stop11h 35m

Belfast City

Sat 1/10

11:35 am-10:56 pm

2 stops16h 21m

$688

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

Direct flights

None
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 15m 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 $623Free CancellationRating
6.7
7,453 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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