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Cheap flights from Boston to Belfast from $272

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 4/23. 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.
Multiple Airlines Logo
11:00 pm - 8:30 pm
BOS
-
BHD
16h 30m
2 stops
Multiple Airlines Logo
7:00 am - 9:45 pm
BHD
-
BOS
19h 45m
2 stops
$836Multiple Airlines
Mon, May 11 - Fri, May 15
British Airways Logo
7:35 pm - 1:35 pm
BOS
-
BHD
13h 00m
1 stop
British Airways Logo
6:30 am - 10:35 pm
BHD
-
BOS
21h 05m
1 stop
$845British Airways
Wed, Aug 19 - Sun, Aug 23
British Airways Logo
7:30 pm - 12:55 pm
BOS
-
BHD
12h 25m
1 stop
British Airways Logo
11:35 am - 10:35 pm
BHD
-
BOS
16h 00m
1 stop
$849British Airways
Mon, May 4 - Wed, May 13
Multiple Airlines Logo
8:50 pm - 6:10 pm
BOS
-
BHD
16h 20m
2 stops
Multiple Airlines Logo
6:30 am - 6:50 pm
BHD
-
BOS
17h 20m
2 stops
$857Multiple Airlines
Fri, Sep 11 - Mon, Sep 21
British Airways Logo
7:25 am - 8:50 am
BOS
-
BHD
20h 25m
1 stop
British Airways Logo
9:40 am - 5:00 pm
BHD
-
BOS
12h 20m
1 stop
$861British Airways
Fri, Sep 11 - Mon, Sep 21
British Airways Logo
9:55 pm - 1:25 pm
BOS
-
BHD
10h 30m
1 stop
British Airways Logo
10:05 am - 8:05 pm
BHD
-
BOS
15h 00m
1 stop
$866British Airways
Sun, Apr 26 - Wed, Apr 29
British Airways Logo
3:05 pm - 12:55 pm
BOS
-
BHD
16h 50m
2 stops
British Airways Logo
4:05 pm - 10:35 pm
BHD
-
BOS
11h 30m
1 stop
$870British Airways
Mon, May 4 - Wed, May 13
British Airways Logo
3:05 pm - 12:55 pm
BOS
-
BHD
16h 50m
2 stops
British Airways Logo
4:05 pm - 10:35 pm
BHD
-
BOS
11h 30m
1 stop
$871British Airways
Mon, May 4 - Wed, May 13
American Airlines Logo
8:10 pm - 6:45 pm
BOS
-
BHD
17h 35m
1 stop
American Airlines Logo
6:30 am - 1:30 pm
BHD
-
BOS
12h 00m
1 stop
$875American Airlines
Sun, Apr 5 - Thu, Apr 9
British Airways Logo
9:50 pm - 3:30 pm
BOS
-
BHD
12h 40m
1 stop
British Airways Logo
11:35 am - 11:52 pm
BHD
-
BOS
17h 17m
2 stops
$876British Airways
Mon, May 4 - Wed, May 13

British Airways flights from Boston to Belfast City Airport

Our best British Airways deals on Boston to Belfast City Airport flight tickets
British Airways
Aug 19
BOS7:35 pmBoston Logan Intl
13h 00m
1 stop
BHD1:35 pmBelfast City
Aug 23
BHD6:30 amBelfast City
21h 05m
1 stop
BOS10:35 pmBoston Logan Intl
$845
British Airways
May 4
BOS7:30 pmBoston Logan Intl
12h 25m
1 stop
BHD12:55 pmBelfast City
May 13
BHD11:35 amBelfast City
16h 00m
1 stop
BOS10:35 pmBoston Logan Intl
$849
British Airways
Sep 11
BOS7:25 amBoston Logan Intl
20h 25m
1 stop
BHD8:50 amBelfast City
Sep 21
BHD9:40 amBelfast City
12h 20m
1 stop
BOS5:00 pmBoston Logan Intl
$861

American Airlines flights from Boston to Belfast City Airport

Our best American Airlines deals on Boston to Belfast City Airport flight tickets
American Airlines
Apr 5
BOS8:10 pmBoston Logan Intl
17h 35m
1 stop
BHD6:45 pmBelfast City
Apr 9
BHD6:30 amBelfast City
12h 00m
1 stop
BOS1:30 pmBoston Logan Intl
$875
American Airlines
Apr 5
BOS8:10 pmBoston Logan Intl
16h 30m
1 stop
BHD5:40 pmBelfast City
Apr 9
BHD9:35 amBelfast City
14h 55m
2 stops
BOS7:30 pmBoston Logan Intl
$885

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 March 24, 2026.
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

Cheapest round-trip

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 5/11

11:00 pm-8:30 pm

2 stops16h 30m

Belfast City

Fri 5/15

7:00 am-9:45 pm

2 stops19h 45m

$836

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 8/19

7:35 pm-1:35 pm

1 stop13h 00m

Belfast City

Sun 8/23

6:30 am-10:35 pm

1 stop21h 05m

$845

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 5/4

7:30 pm-12:55 pm

1 stop12h 25m

Belfast City

Wed 5/13

11:35 am-10:35 pm

1 stop16h 00m

$849

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 9/11

8:50 pm-6:10 pm

2 stops16h 20m

Belfast City

Mon 9/21

6:30 am-6:50 pm

2 stops17h 20m

$857

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 9/11

7:25 am-8:50 am

1 stop20h 25m

Belfast City

Mon 9/21

9:40 am-5:00 pm

1 stop12h 20m

$861
Quickest round-trip

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 4/26

9:55 pm-1:25 pm

1 stop10h 30m

Belfast City

Wed 4/29

10:05 am-8:05 pm

1 stop15h 00m

$866

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 5/4

3:05 pm-12:55 pm

2 stops16h 50m

Belfast City

Wed 5/13

4:05 pm-10:35 pm

1 stop11h 30m

$870

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 5/4

3:05 pm-12:55 pm

2 stops16h 50m

Belfast City

Wed 5/13

4:05 pm-10:35 pm

1 stop11h 30m

$871

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 4/5

8:10 pm-6:45 pm

1 stop17h 35m

Belfast City

Thu 4/9

6:30 am-1:30 pm

1 stop12h 00m

$875

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 5/4

9:50 pm-3:30 pm

1 stop12h 40m

Belfast City

Wed 5/13

11:35 am-11:52 pm

2 stops17h 17m

$876

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 airline that flies from Boston Logan Intl to Belfast City?

British Airways and Delta are the most popular carriers operating from Boston Logan Intl to Belfast City

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
7,813 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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