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Cheap flights from Boston to Belfast from $305

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.
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
7:30 am - 9:10 am
BOS
-
BHD
20h 40m1 stop
British Airways Logo
3:40 pm - 9:55 pm
BHD
-
BOS
11h 15m1 stop
$534British Airways
Wed, Jan 7 - Wed, Jan 14
British Airways Logo
7:30 am - 9:10 am
BOS
-
BHD
20h 40m1 stop
British Airways Logo
12:25 pm - 11:44 pm
BHD
-
BOS
16h 19m2 stops
$551British Airways
Wed, Jan 7 - Wed, Jan 14
British Airways Logo
7:30 am - 7:30 am
BOS
-
BHD
19h 00m1 stop
British Airways Logo
2:40 pm - 2:20 pm
BHD
-
BOS
28h 40m1 stop
$600British Airways
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
7:50 pm - 5:20 pm
BOS
-
BHD
16h 30m2 stops
Multiple Airlines Logo
7:00 am - 5:50 pm
BHD
-
BOS
15h 50m2 stops
$693Multiple Airlines
Wed, Jan 7 - Wed, Jan 14
British Airways Logo
7:30 am - 7:30 am
BOS
-
BHD
19h 00m1 stop
British Airways Logo
3:05 pm - 9:55 pm
BHD
-
BOS
11h 50m1 stop
$697British Airways
Thu, Jan 1 - Thu, Jan 8
American Airlines Logo
9:35 pm - 4:40 pm
BOS
-
BHD
14h 05m1 stop
American Airlines Logo
11:05 am - 10:56 pm
BHD
-
BOS
16h 51m2 stops
$760American Airlines
Thu, Jan 1 - Thu, Jan 8
Multiple Airlines Logo
7:50 pm - 8:55 pm
BOS
-
BHD
20h 05m3 stops
Multiple Airlines Logo
4:55 pm - 5:50 pm
BHD
-
BOS
29h 55m3 stops
$799Multiple Airlines
Wed, Jan 7 - Wed, Jan 14
British Airways Logo
3:35 pm - 10:20 am
BOS
-
BHD
13h 45m2 stops
British Airways Logo
2:40 pm - 9:55 pm
BHD
-
BOS
12h 15m1 stop
$854British Airways
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
3:35 pm - 10:20 am
BOS
-
BHD
13h 45m2 stops
British Airways Logo
6:35 am - 3:48 pm
BHD
-
BOS
14h 13m2 stops
$864British Airways
Thu, Jan 29 - Mon, Feb 2
American Airlines Logo
3:55 pm - 10:20 am
BOS
-
BHD
13h 25m2 stops
American Airlines Logo
10:40 am - 10:56 pm
BHD
-
BOS
17h 16m2 stops
$904American Airlines
Thu, Jan 1 - Thu, Jan 8

American Airlines flights from Boston to Belfast City Airport

Our best American Airlines deals on Boston to Belfast City Airport flight tickets
American Airlines
Jan 1
BOS9:35 pmBoston Logan Intl
14h 05m
1 stop
BHD4:40 pmBelfast City
Jan 8
BHD11:05 amBelfast City
16h 51m
2 stops
BOS10:56 pmBoston Logan Intl
$760
Find similar
American Airlines
Jan 1
BOS3:55 pmBoston Logan Intl
13h 25m
2 stops
BHD10:20 amBelfast City
Jan 8
BHD10:40 amBelfast City
17h 16m
2 stops
BOS10:56 pmBoston Logan Intl
$904
Find similar

British Airways flights from Boston to Belfast City Airport

Our best British Airways deals on Boston to Belfast City Airport flight tickets
British Airways
Jan 7
BOS7:30 amBoston Logan Intl
20h 40m
1 stop
BHD9:10 amBelfast City
Jan 14
BHD3:40 pmBelfast City
11h 15m
1 stop
BOS9:55 pmBoston Logan Intl
$534
Find similar
British Airways
Jan 7
BOS7:30 amBoston Logan Intl
20h 40m
1 stop
BHD9:10 amBelfast City
Jan 14
BHD12:25 pmBelfast City
16h 19m
2 stops
BOS11:44 pmBoston Logan Intl
$551
Find similar
British Airways
Jan 29
BOS7:30 amBoston Logan Intl
19h 00m
1 stop
BHD7:30 amBelfast City
Feb 2
BHD2:40 pmBelfast City
28h 40m
1 stop
BOS2:20 pmBoston Logan Intl
$600
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 December 11, 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 1/7

7:30 am-9:10 am

1 stop20h 40m

Belfast City

Wed 1/14

3:40 pm-9:55 pm

1 stop11h 15m

$534

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 1/7

7:30 am-9:10 am

1 stop20h 40m

Belfast City

Wed 1/14

12:25 pm-11:44 pm

2 stops16h 19m

$551

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/29

7:30 am-7:30 am

1 stop19h 00m

Belfast City

Mon 2/2

2:40 pm-2:20 pm

1 stop28h 40m

$600

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 1/7

7:50 pm-5:20 pm

2 stops16h 30m

Belfast City

Wed 1/14

7:00 am-5:50 pm

2 stops15h 50m

$693

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/1

7:30 am-7:30 am

1 stop19h 00m

Belfast City

Thu 1/8

3:05 pm-9:55 pm

1 stop11h 50m

$697

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/1

9:35 pm-4:40 pm

1 stop14h 05m

Belfast City

Thu 1/8

11:05 am-10:56 pm

2 stops16h 51m

$760

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 1/7

7:50 pm-8:55 pm

3 stops20h 05m

Belfast City

Wed 1/14

4:55 pm-5:50 pm

3 stops29h 55m

$799

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/29

3:35 pm-10:20 am

2 stops13h 45m

Belfast City

Mon 2/2

2:40 pm-9:55 pm

1 stop12h 15m

$854

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/29

3:35 pm-10:20 am

2 stops13h 45m

Belfast City

Mon 2/2

6:35 am-3:48 pm

2 stops14h 13m

$864

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/1

3:55 pm-10:20 am

2 stops13h 25m

Belfast City

Thu 1/8

10:40 am-10:56 pm

2 stops17h 16m

$904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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2

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

10h 05m

Direct flights

None
The fastest flight from Boston to Belfast City Airport takes 10h 05m
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. 10h 05m 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
7,571 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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