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Cheap flights from Boston to Belfast from $349

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 6/1. 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.
11:55 pm - 8:25 pmBOS-BFS
15h 30m2 stops
9:35 am - 9:05 pmBFS-BOS
16h 30m1 stop
Sun, Mar 30 - Wed, Apr 2
9:00 pm - 7:15 pmBOS-BFS
18h 15m2 stops
6:45 am - 6:50 pmBFS-BOS
41h 05m2 stops
Thu, Mar 27 - Mon, Mar 31
7:25 pm - 10:30 amBOS-BHD
11h 05m1 stop
7:30 pm - 2:05 pmBHD-BOS
22h 35m1 stop
$623British Airways
Find Deal
Tue, Mar 18 - Mon, Mar 24
7:40 pm - 1:35 pmBOS-BHD
13h 55m2 stops
7:30 pm - 3:00 pmBHD-BOS
23h 30m1 stop
$628British Airways
Find Deal
Tue, Mar 18 - Mon, Mar 24
8:05 pm - 4:50 pmBOS-BHD
16h 45m1 stop
6:30 am - 2:25 pmBHD-BOS
11h 55m1 stop
$674Delta
Find Deal
Mon, Mar 24 - Fri, Mar 28
6:45 pm - 3:55 pmBOS-BHD
17h 10m1 stop
5:25 pm - 6:20 pmBHD-BOS
29h 55m1 stop
$683Delta
Find Deal
Sat, Mar 29 - Thu, Apr 3
7:49 pm - 10:35 amBOS-BHD
33h 46m2 stops
8:05 pm - 11:05 amBHD-BOS
20h 00m1 stop
$690Finnair
Find Deal
Mon, May 12 - Fri, May 16
7:49 pm - 7:45 amBOS-BHD
30h 56m2 stops
8:05 pm - 11:20 pmBHD-BOS
32h 15m2 stops
$695Finnair
Find Deal
Mon, May 12 - Fri, May 16
10:15 pm - 9:00 pmBOS-BHD
18h 45m1 stop
6:30 am - 3:08 pmBHD-BOS
13h 38m2 stops
$751KLM
Find Deal
Fri, Mar 28 - Tue, Apr 1
9:25 pm - 4:50 pmBOS-BHD
15h 25m2 stops
5:25 pm - 4:40 pmBHD-BOS
28h 15m1 stop
$897KLM
Find Deal
Thu, Mar 27 - Sun, Mar 30

British Airways flights from Boston to Belfast

Our best British Airways deals on Boston to Belfast flight tickets
British Airways
Mar 18
BOS7:25 pmBoston Logan Intl
11h 05m
1 stop
BHD10:30 amBelfast City
Mar 24
BHD7:30 pmBelfast City
22h 35m
1 stop
BOS2:05 pmBoston Logan Intl
British Airways
Mar 18
BOS7:40 pmBoston Logan Intl
13h 55m
2 stops
BHD1:35 pmBelfast City
Mar 24
BHD7:30 pmBelfast City
23h 30m
1 stop
BOS3:00 pmBoston Logan Intl
British Airways
Mar 27
BOS7:25 pmBoston Logan Intl
10h 55m
1 stop
BHD10:20 amBelfast City
Mar 31
BHD1:50 pmBelfast City
11h 20m
1 stop
BOS8:10 pmBoston Logan Intl

Delta flights from Boston to Belfast

Our best Delta deals on Boston to Belfast flight tickets
Delta
Mar 24
BOS8:05 pmBoston Logan Intl
16h 45m
1 stop
BHD4:50 pmBelfast City
Mar 28
BHD6:30 amBelfast City
11h 55m
1 stop
BOS2:25 pmBoston Logan Intl
Delta
Mar 29
BOS6:45 pmBoston Logan Intl
17h 10m
1 stop
BHD3:55 pmBelfast City
Apr 3
BHD5:25 pmBelfast City
29h 55m
1 stop
BOS6:20 pmBoston Logan Intl
Delta
Mar 24
BOS7:50 pmBoston Logan Intl
21h 10m
2 stops
BHD9:00 pmBelfast City
Mar 31
BHD5:25 pmBelfast City
25h 15m
1 stop
BOS1:40 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 month to fly to Belfast?

In general, February is the cheapest month to fly from Boston to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $608. If you don’t want to visit Belfast in February, then you should wait until November to fly from Boston, when ticket prices are also cheap, with an average price of $622.

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

$349

Fastest flight time

9h 20m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Boston in the past 72 hours is $349. The best round-trip flight deal from Boston to Belfast found on momondo in the last 72 hours is $594.
The fastest flight from Boston to Belfast takes 9h 20m
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 35m, 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 $586Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $595Free CancellationRating
6.6
6,763 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