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Cheap flights from Boston to Belfast from $328

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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:50 pm - 8:30 pm
BOS
-
BHD
18h 40m
2 stops
Multiple Airlines Logo
3:10 pm - 6:50 pm
BHD
-
BOS
32h 40m
2 stops
$796Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
Multiple Airlines Logo
5:45 am - 1:20 pm
BOS
-
BHD
26h 35m
3 stops
Multiple Airlines Logo
7:00 am - 6:50 pm
BHD
-
BOS
16h 50m
2 stops
$811Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
Multiple Airlines Logo
8:50 pm - 7:40 pm
BOS
-
BHD
17h 50m
2 stops
Multiple Airlines Logo
7:00 am - 9:45 pm
BHD
-
BOS
19h 45m
2 stops
$820Multiple Airlines
Wed, Oct 7 - Wed, Oct 21
Multiple Airlines Logo
8:50 pm - 5:50 pm
BOS
-
BHD
16h 00m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 pm
BHD
-
BOS
16h 50m
2 stops
$827Multiple Airlines
Tue, Sep 1 - Fri, Sep 11
British Airways Logo
7:35 pm - 1:35 pm
BOS
-
BHD
13h 00m
1 stop
British Airways Logo
10:05 am - 5:00 pm
BHD
-
BOS
11h 55m
1 stop
$859British Airways
Wed, Oct 7 - Wed, Oct 21
Multiple Airlines Logo
7:50 pm - 3:30 pm
BOS
-
BHD
14h 40m
2 stops
Multiple Airlines Logo
7:40 am - 2:40 pm
BHD
-
BOS
36h 00m
3 stops
$860Multiple Airlines
Wed, Nov 25 - Mon, Nov 30
Multiple Airlines Logo
8:50 pm - 5:50 pm
BOS
-
BHD
16h 00m
2 stops
Multiple Airlines Logo
7:00 am - 3:15 pm
BHD
-
BOS
37h 15m
3 stops
$862Multiple Airlines
Tue, Sep 1 - Fri, Sep 11
British Airways Logo
3:31 pm - 12:00 pm
BOS
-
BHD
15h 29m
2 stops
British Airways Logo
11:35 am - 5:00 pm
BHD
-
BOS
10h 25m
1 stop
$864British Airways
Wed, Oct 7 - Wed, Oct 21
Multiple Airlines Logo
7:50 pm - 8:30 pm
BOS
-
BHD
19h 40m
3 stops
Multiple Airlines Logo
7:40 am - 2:40 pm
BHD
-
BOS
36h 00m
3 stops
$870Multiple Airlines
Wed, Nov 25 - Mon, Nov 30
Multiple Airlines Logo
11:00 pm - 8:30 pm
BOS
-
BHD
16h 30m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 pm
BHD
-
BOS
16h 50m
2 stops
$880Multiple Airlines
Fri, Oct 2 - Thu, Oct 15

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British Airways flights from Boston to Belfast City Airport

Our best British Airways deals on Boston to Belfast City Airport flight tickets
British Airways
Oct 7
BOS7:35 pmBoston Logan Intl
13h 00m
1 stop
BHD1:35 pmBelfast City
Oct 21
BHD10:05 amBelfast City
11h 55m
1 stop
BOS5:00 pmBoston Logan Intl
$859
British Airways
Oct 7
BOS3:31 pmBoston Logan Intl
15h 29m
2 stops
BHD12:00 pmBelfast City
Oct 21
BHD11:35 amBelfast City
10h 25m
1 stop
BOS5:00 pmBoston Logan Intl
$864
British Airways
Oct 2
BOS9:50 pmBoston Logan Intl
12h 40m
1 stop
BHD3:30 pmBelfast City
Oct 15
BHD2:20 pmBelfast City
10h 45m
1 stop
BOS8:05 pmBoston Logan Intl
$909

Delta flights from Boston to Belfast City Airport

Our best Delta deals on Boston to Belfast City Airport flight tickets
Delta
Oct 4
BOS4:45 pmBoston Logan Intl
11h 35m
1 stop
BHD9:20 amBelfast City
Oct 23
BHD9:50 amBelfast City
11h 46m
1 stop
BOS4:36 pmBoston Logan Intl
$961
Delta
Oct 8
BOS4:45 pmBoston Logan Intl
11h 35m
1 stop
BHD9:20 amBelfast City
Oct 22
BHD9:50 amBelfast City
11h 46m
1 stop
BOS4:36 pmBoston Logan Intl
$1,011
Delta
Oct 8
BOS4:45 pmBoston Logan Intl
11h 35m
1 stop
BHD9:20 amBelfast City
Oct 24
BHD5:30 pmBelfast City
25h 55m
1 stop
BOS2:25 pmBoston Logan Intl
$1,061

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 June 27, 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 9/7

8:50 pm-8:30 pm

2 stops18h 40m

Belfast City

Sun 9/13

3:10 pm-6:50 pm

2 stops32h 40m

$796

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/7

5:45 am-1:20 pm

3 stops26h 35m

Belfast City

Sun 9/13

7:00 am-6:50 pm

2 stops16h 50m

$811

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 10/7

8:50 pm-7:40 pm

2 stops17h 50m

Belfast City

Wed 10/21

7:00 am-9:45 pm

2 stops19h 45m

$820

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/1

8:50 pm-5:50 pm

2 stops16h 00m

Belfast City

Fri 9/11

7:00 am-6:50 pm

2 stops16h 50m

$827
Quickest round-trip

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 10/7

7:35 pm-1:35 pm

1 stop13h 00m

Belfast City

Wed 10/21

10:05 am-5:00 pm

1 stop11h 55m

$859

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 11/25

7:50 pm-3:30 pm

2 stops14h 40m

Belfast City

Mon 11/30

7:40 am-2:40 pm

3 stops36h 00m

$860

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/1

8:50 pm-5:50 pm

2 stops16h 00m

Belfast City

Fri 9/11

7:00 am-3:15 pm

3 stops37h 15m

$862

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 10/7

3:31 pm-12:00 pm

2 stops15h 29m

Belfast City

Wed 10/21

11:35 am-5:00 pm

1 stop10h 25m

$864

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 11/25

7:50 pm-8:30 pm

3 stops19h 40m

Belfast City

Mon 11/30

7:40 am-2:40 pm

3 stops36h 00m

$870

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 10/2

11:00 pm-8:30 pm

2 stops16h 30m

Belfast City

Thu 10/15

7:00 am-6:50 pm

2 stops16h 50m

$880

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 is the most popular carrier 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 40m

Direct flights

None
The fastest flight from Boston to Belfast City Airport takes 10h 40m
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

Frequently asked questions about flying from Boston to Belfast City Airport

  • 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 40m 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 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.

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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