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Cheap flights from Boston to Belfast from $283

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 10/1. 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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Mon 5/13

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Easily compare round-trip flights from Boston to Belfast

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to Belfast by changing tabs
British Airways
May 10
BOS8:15 pmBoston Logan Intl
19h 30m
1 stop
BHD8:45 pmBelfast City
May 13
BHD9:50 amBelfast City
12h 00m
1 stop
BOS4:50 pmBoston Logan Intl
American Airlines
May 10
BOS8:15 pmBoston Logan Intl
19h 30m
1 stop
BHD8:45 pmBelfast City
May 13
BHD12:20 pmBelfast City
15h 31m
2 stops
BOS10:51 pmBoston Logan Intl
Multiple Airlines
May 30
BOS7:15 pmBoston Logan Intl
23h 00m
2 stops
BFS11:15 pmBelfast Intl
Jun 6
BFS6:40 amBelfast Intl
16h 20m
2 stops
BOS6:00 pmBoston Logan Intl
Delta
May 30
BOS3:30 pmBoston Logan Intl
20h 20m
2 stops
BHD4:50 pmBelfast City
Jun 6
BHD5:20 pmBelfast City
30h 20m
2 stops
BOS6:40 pmBoston Logan Intl
British Airways
May 10
BOS8:23 pmBoston Logan Intl
14h 02m
2 stops
BHD3:25 pmBelfast City
May 13
BHD6:35 amBelfast City
13h 56m
2 stops
BOS3:31 pmBoston Logan Intl
American Airlines
May 30
BOS8:23 pmBoston Logan Intl
14h 12m
2 stops
BHD3:35 pmBelfast City
Jun 6
BHD4:20 pmBelfast City
11h 20m
1 stop
BOS10:40 pmBoston Logan Intl

Find the cheapest one-way flights from Boston to Belfast

If you're looking for one-way flights from Boston to Belfast, view some of our deals below provided by American Airlines and Delta
Multiple Airlines
Oct 1
BOS7:15 pmBoston Logan Intl
19h 45m
2 stops
BHD8:00 pmBelfast City
Delta
Oct 1
BOS6:55 pmBoston Logan Intl
16h 55m
1 stop
BHD4:50 pmBelfast City
Multiple Airlines
Jul 10
BOS7:15 pmBoston Logan Intl
31h 15m
2 stops
BHD7:30 amBelfast City

Search last-minute flights to Belfast from Boston

Find and compare round-trip flight prices for your last-minute flight from Boston to Belfast
British Airways
May 8
BOS7:20 amBoston Logan Intl
20h 30m
1 stop
BHD8:50 amBelfast City
May 12
BHD3:50 pmBelfast City
11h 35m
1 stop
BOS10:25 pmBoston Logan Intl
American Airlines
May 5
BOS8:20 pmBoston Logan Intl
13h 15m
1 stop
BHD2:35 pmBelfast City
May 12
BHD11:20 amBelfast City
10h 25m
1 stop
BOS4:45 pmBoston Logan Intl
Lufthansa
May 9
BOS8:40 pmBoston Logan Intl
13h 10m
2 stops
BHD2:50 pmBelfast City
May 12
BHD10:15 amBelfast City
37h 10m
2 stops
BOS6:25 pmBoston Logan Intl
Multiple Airlines
May 8
BOS10:40 amBoston Logan Intl
18h 15m
2 stops
BFS9:55 amBelfast Intl
May 12
BFS7:00 amBelfast Intl
19h 20m
1 stop
BOS9:20 pmBoston Logan Intl
British Airways
May 9
BOS7:59 amBoston Logan Intl
24h 31m
2 stops
BHD1:30 pmBelfast City
May 12
BHD11:20 amBelfast City
16h 05m
1 stop
BOS10:25 pmBoston Logan Intl
American Airlines
May 5
BOS7:20 amBoston Logan Intl
20h 45m
1 stop
BHD9:05 amBelfast City
May 12
BHD11:20 amBelfast City
16h 31m
2 stops
BOS10:51 pmBoston Logan Intl

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 $518Free CancellationRating
7.3
14,815 reviews
Search American Airlines flights
British AirwaysPriceFrom $601Free CancellationRating
6.8
6,887 reviews
Search British Airways flights

British Airways flights from Boston to Belfast

Our best British Airways deals on Boston to Belfast flight tickets
British Airways
May 8
BOS7:20 amBoston Logan Intl
20h 30m
1 stop
BHD8:50 amBelfast City
May 12
BHD3:50 pmBelfast City
11h 35m
1 stop
BOS10:25 pmBoston Logan Intl
British Airways
May 9
BOS7:59 amBoston Logan Intl
24h 31m
2 stops
BHD1:30 pmBelfast City
May 12
BHD11:20 amBelfast City
16h 05m
1 stop
BOS10:25 pmBoston Logan Intl
British Airways
May 10
BOS8:15 pmBoston Logan Intl
19h 30m
1 stop
BHD8:45 pmBelfast City
May 13
BHD9:50 amBelfast City
12h 00m
1 stop
BOS4:50 pmBoston Logan Intl

American Airlines flights from Boston to Belfast

Our best American Airlines deals on Boston to Belfast flight tickets
American Airlines
May 5
BOS8:20 pmBoston Logan Intl
13h 15m
1 stop
BHD2:35 pmBelfast City
May 12
BHD11:20 amBelfast City
10h 25m
1 stop
BOS4:45 pmBoston Logan Intl
American Airlines
May 5
BOS7:20 amBoston Logan Intl
20h 45m
1 stop
BHD9:05 amBelfast City
May 12
BHD11:20 amBelfast City
16h 31m
2 stops
BOS10:51 pmBoston Logan Intl
American Airlines
May 8
BOS7:20 amBoston Logan Intl
20h 30m
1 stop
BHD8:50 amBelfast City
Jun 15
BHD6:50 amBelfast City
18h 00m
1 stop
BOS7:50 pmBoston Logan Intl

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 from Boston to Belfast?

March. The cheapest time of year to fly to Belfast from Boston is March. Most expensive is June

What is the cheapest day to depart Boston for Belfast?

Monday. The cheapest day of the week is typically Monday. The most expensive is typically Sunday

When is the cheapest time to fly from Boston to Belfast?

In the afternoon. Boston to Belfast flights are approximately 44% more expensive at noon than in the afternoon

What is the cheapest airline that flies to Belfast from Boston?

American Airlines. American Airlines and British Airways are the most popular carriers operating from Boston to Belfast

What is the cheapest Boston to Belfast flight route?

Boston Logan Intl - Belfast City. Fly from Boston Logan Intl to Belfast City for the best Boston - Belfast flight prices

How far in advance should you book Boston to Belfast flights?

13 days before. The cheapest time to buy a flight from Boston to Belfast is approximately 13 days to departure

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

$283

Fastest flight time

10h 45m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Boston in the past 72 hours is $283. The best round-trip flight deal from Boston to Belfast found on momondo in the last 72 hours is $634.
The fastest flight from Boston to Belfast takes 10h 45m
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 10h 45m, 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.


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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To?
Mon 5/6
Mon 5/13
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Find better results for your stay in the United Kingdom

Fly into one of these airports located in Belfast
Airports listed have a maximum distance of 12.2 mi from Belfast