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Cheap flights from Boston to Belfast from $435

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 5/31. 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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Find the cheapest flights from Boston to Belfast

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Belfast that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Belfast.

Cheap last minute flights

Planning a quick getaway from Boston to Belfast? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Belfast, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Belfast

Find recent round-trip train or bus tickets from Boston to Belfast.

All round-trip flight deals from Boston to Belfast

The cheapest plane tickets from Boston to Belfast found on KAYAK recently.
6:20 pm - 8:05 pmBOS-BFS
20h 45m2 stops
5:45 am - 5:00 pmBFS-BOS
16h 15m2 stops
Thu, Feb 27 - Mon, Mar 3
8:00 pm - 8:05 pmBOS-BFS
19h 05m2 stops
10:20 am - 5:45 pmBFS-BOS
36h 25m2 stops
Mon, Feb 17 - Mon, Feb 24
8:00 pm - 8:05 pmBOS-BFS
19h 05m2 stops
9:10 pm - 8:05 pmBFS-BOS
27h 55m3 stops
Mon, Feb 17 - Mon, Feb 24
12:35 pm - 7:30 pmBOS-BFS
26h 55m2 stops
7:40 am - 6:45 pmBFS-BOS
15h 05m2 stops
Thu, Mar 13 - Thu, Mar 20
11:35 am - 7:30 pmBOS-BFS
26h 55m3 stops
9:05 pm - 5:00 pmBFS-BOS
24h 55m2 stops
Thu, Feb 27 - Mon, Mar 3
9:15 pm - 2:00 pmBOS-BHD
12h 45m1 stop
8:40 am - 10:55 pmBHD-BOS
18h 15m1 stop
$608British Airways
Find Deal
Thu, Mar 13 - Tue, Mar 18
10:00 pm - 4:35 pmBOS-BHD
13h 35m1 stop
9:10 am - 7:35 pmBHD-BOS
15h 25m1 stop
$621British Airways
Find Deal
Wed, Feb 5 - Sun, Feb 9
9:15 pm - 8:20 pmBOS-BHD
19h 05m1 stop
6:35 am - 10:55 pmBHD-BOS
20h 20m1 stop
$630Finnair
Find Deal
Thu, Mar 13 - Thu, Mar 20
1:10 pm - 7:15 pmBOS-BHD
26h 05m2 stops
9:10 am - 10:55 pmBHD-BOS
17h 45m1 stop
$645Iberia
Find Deal
Fri, Mar 14 - Wed, Mar 19
7:23 pm - 1:30 pmBOS-BHD
13h 07m2 stops
6:50 am - 12:25 pmBHD-BOS
10h 35m1 stop
$673American Airlines
Find Deal
Wed, Apr 9 - Sun, Apr 20
6:35 pm - 3:05 pmBOS-BHD
15h 30m2 stops
$435Aer Lingus
Find Deal
Sat, May 31
7:40 pm - 10:10 amBOS-BHD
9h 30m1 stop
$609British Airways
Find Deal
Sat, May 31
8:20 pm - 4:35 pmBOS-BHD
15h 15m1 stop
2:20 pm - 7:35 pmBHD-BOS
10h 15m1 stop
$644Finnair
Find Deal
Wed, Jan 22 - Wed, Jan 29
1:06 pm - 10:05 amBOS-BHD
15h 59m2 stops
11:30 am - 7:35 pmBHD-BOS
13h 05m1 stop
$651British Airways
Find Deal
Wed, Jan 22 - Wed, Jan 29
1:06 pm - 10:05 amBOS-BHD
15h 59m2 stops
3:40 pm - 3:20 pmBHD-BOS
28h 40m2 stops
$655British Airways
Find Deal
Wed, Jan 22 - Wed, Jan 29
6:20 pm - 8:20 pmBOS-BFS
21h 00m2 stops
7:40 am - 5:00 pmBFS-BOS
14h 20m2 stops
Wed, Jan 22 - Wed, Jan 29
10:00 pm - 10:20 amBOS-BFS
31h 20m1 stop
7:40 am - 5:00 pmBFS-BOS
14h 20m2 stops
Wed, Jan 22 - Wed, Jan 29
6:20 pm - 7:20 pmBOS-BFS
20h 00m2 stops
7:55 am - 8:05 pmBFS-BOS
41h 10m3 stops
Wed, Jan 22 - Wed, Jan 29
8:00 pm - 10:35 amBOS-BHD
33h 35m3 stops
6:50 pm - 5:45 pmBHD-BOS
27h 55m3 stops
Wed, Jan 22 - Wed, Jan 29
6:20 pm - 7:30 pmBOS-BHD
20h 10m2 stops
10:20 am - 5:00 pmBHD-BOS
35h 40m3 stops
$1,012
Find Deal
Wed, Jan 22 - Wed, Jan 29
10:00 pm - 3:20 pmBOS-BFS
12h 20m1 stop
8:55 pm - 2:00 pmBFS-BOS
22h 05m1 stop
$1,337
Find Deal
Wed, Jan 22 - Wed, Jan 29

British Airways flights from Boston to Belfast

Our best British Airways deals on Boston to Belfast flight tickets
British Airways
Mar 13
BOS9:15 pmBoston Logan Intl
12h 45m
1 stop
BHD2:00 pmBelfast City
Mar 18
BHD8:40 amBelfast City
18h 15m
1 stop
BOS10:55 pmBoston Logan Intl
British Airways
Feb 5
BOS10:00 pmBoston Logan Intl
13h 35m
1 stop
BHD4:35 pmBelfast City
Feb 9
BHD9:10 amBelfast City
15h 25m
1 stop
BOS7:35 pmBoston Logan Intl
British Airways
Feb 17
BOS1:05 pmBoston Logan Intl
16h 25m
2 stops
BHD10:30 amBelfast City
Feb 24
BHD7:30 pmBelfast City
22h 50m
1 stop
BOS1:20 pmBoston Logan Intl

Finnair flights from Boston to Belfast

Our best Finnair deals on Boston to Belfast flight tickets
Finnair
Mar 13
BOS9:15 pmBoston Logan Intl
19h 05m
1 stop
BHD8:20 pmBelfast City
Mar 20
BHD6:35 amBelfast City
20h 20m
1 stop
BOS10:55 pmBoston Logan Intl
Finnair
Jan 22
BOS8:20 pmBoston Logan Intl
15h 15m
1 stop
BHD4:35 pmBelfast City
Jan 29
BHD2:20 pmBelfast City
10h 15m
1 stop
BOS7:35 pmBoston Logan Intl

See travel insights to Belfast from

How to get the cheapest flight ticket from Boston to Belfast

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?

The cheapest day to depart from Boston to Belfast is on a Wednesday when prices can be found for as low as $641. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Belfast for around $968.

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

Our data shows that the cheapest Boston to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $636. Try not to purchase tickets in the evening because they tend to be around $685. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Boston to Belfast flight deals and tips

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

Best Price Found

$435

Fastest flight time

9h 30m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Boston in the past 72 hours is $435. The best round-trip flight deal from Boston to Belfast found on momondo in the last 72 hours is $547.
The fastest flight from Boston to Belfast takes 9h 30m
There are no direct flights from Boston to Belfast. Popular non-direct routes for this connection are Boston Logan Intl Airport - Belfast City Airport and Boston Logan Intl Airport - Belfast Intl Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)

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

    A flight from Boston Logan Intl to Belfast will travel around 2981.1 mi. Flights usually cover this in 9h 30m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Boston Logan Intl Airport to Belfast refresh daily.

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

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

    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.

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

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


Best airlines flying from Boston to Belfast

Compare and see reviews for airlines that fly from Boston to Belfast with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $584Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $596Free CancellationRating
6.6
6,834 reviews
Search British Airways flights

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 enables you to select and highlight flights to Belfast from Boston with this policy.

How can momondo help me find flights from Boston to Belfast?

Once all potential Boston to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast