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Cheap flights from Boston to Belfast Intl Airport from £237

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — BFS
19 May — 26 May1
1 adult
Sun 19/5
Sun 26/5

Cheap flight deals from Boston to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 May 2024.

Popular in

July

Cheapest in

March

Average price

£604

Round-trip from

£50
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 31% potential price drop
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Average for round-trip flights in May 2024
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From Boston Logan Intl to Belfast Intl
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How far in advance should I book a flight from Boston to Belfast Intl Airport?

Travelers have found it’s best to book a flight 22 days in advance to save up to 33% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 22 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boston to Belfast Intl Airport 1-2 weeks in advance for as low as £522, or £623 for flights within the next 24 hours.

What is the cheapest month to fly from Boston to Belfast Intl Airport?

March can be a great time to fly to Belfast Intl Airport from Boston with a flight ticket averaging about £602. Cheapflights users have found deals in the month of March for as cheap as £412. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from Boston to Belfast Intl Airport (BOS - BFS)?

When flying from Boston to Belfast Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Boston to Belfast Intl flights in May & June 2024

Find cheap flight options from Boston to Belfast Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 841,996 searches. Prices were last updated on 14 May 2024.
Fri 14/606:05BOS - BFS
3 stops33h 50mMultiple Airlines
Sun 16/608:30BFS - BOS
2 stops14h 20mMultiple Airlines
Deal found 13/5£808
Fri 14/610:41BOS - BFS
2 stops23h 29mMultiple Airlines
Sun 16/622:10BFS - BOS
1 stop26h 55mMultiple Airlines
Deal found 13/5£845
Fri 14/620:50BOS - BFS
2 stops17h 25mMultiple Airlines
Sun 16/622:10BFS - BOS
2 stops24h 50mMultiple Airlines
Deal found 13/5£886

Boston to Belfast Intl 2024 flight deals

Discover exclusive flight deals for travel between Boston and Belfast Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 841,996 searches. Data last updated 14 May 2024.
Tue 16/719:15BOS - BFS
2 stops16h 25mMultiple Airlines
Wed 17/721:40BFS - BOS
2 stops25h 20mMultiple Airlines
Deal found 13/5£602
Tue 16/719:15BOS - BFS
2 stops16h 25mMultiple Airlines
Wed 17/721:45BFS - BOS
3 stops25h 15mMultiple Airlines
Deal found 13/5£651
Tue 16/707:30BOS - BFS
1 stop19h 25mMultiple Airlines
Wed 17/721:40BFS - BOS
2 stops25h 20mMultiple Airlines
Deal found 13/5£744
Fri 5/719:15BOS - BFS
2 stops17h 45mMultiple Airlines
Mon 8/706:50BFS - BOS
2 stops16h 10mMultiple Airlines
Deal found 12/5£773
Fri 14/606:05BOS - BFS
3 stops33h 50mMultiple Airlines
Sun 16/608:30BFS - BOS
2 stops14h 20mMultiple Airlines
Deal found 13/5£808
Fri 5/719:15BOS - BFS
2 stops13h 20mMultiple Airlines
Mon 8/707:00BFS - BOS
3 stops18h 15mMultiple Airlines
Deal found 12/5£832
Fri 14/610:41BOS - BFS
2 stops23h 29mMultiple Airlines
Sun 16/622:10BFS - BOS
1 stop26h 55mMultiple Airlines
Deal found 13/5£845
Fri 14/620:50BOS - BFS
2 stops17h 25mMultiple Airlines
Sun 16/622:10BFS - BOS
2 stops24h 50mMultiple Airlines
Deal found 13/5£886
Tue 16/721:55BOS - BFS
1 stop11h 30mMultiple Airlines
Sat 20/710:30BFS - BOS
2 stops32h 55mMultiple Airlines
Deal found 13/5£938

One-way flights to Belfast Intl from Boston

Search for one-way flight options from Boston to Belfast Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 841,996 searches. Data last updated 14 May 2024.
Sat 22/615:35BOS - BFS
2 stops35h 10mMultiple Airlines
Deal found 13/5£237
Sat 20/719:15BOS - BFS
2 stops31h 55mMultiple Airlines
Deal found 13/5£247
Tue 16/719:15BOS - BFS
3 stops47h 05mMultiple Airlines
Deal found 13/5£250
Tue 16/719:15BOS - BFS
2 stops31h 35mMultiple Airlines
Deal found 13/5£252
Sat 20/719:15BOS - BFS
3 stops22h 55mMultiple Airlines
Deal found 13/5£277
Fri 21/610:41BOS - BFS
2 stops27h 34mMultiple Airlines
Deal found 13/5£282
Sat 22/621:17BOS - BFS
3 stops45h 13mMultiple Airlines
Deal found 13/5£287
Wed 17/720:50BOS - BFS
2 stops18h 45mMultiple Airlines
Deal found 13/5£297
Wed 17/723:35BOS - BFS
3 stops18h 45mMultiple Airlines
Deal found 13/5£346

Find flights from Boston to Belfast Intl within your budget

Customise your flight search to find flights from Boston to Belfast Intl 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, Cheapflights users made 841,996 searches. Data last updated 14 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£602 - £938

Route

Depart

Return

Price

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 16/7

2 stops16h 25m

Belfast Intl

Wed 17/7

2 stops25h 20m

£602

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 16/7

2 stops16h 25m

Belfast Intl

Wed 17/7

3 stops25h 15m

£651

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 16/7

1 stop19h 25m

Belfast Intl

Wed 17/7

2 stops25h 20m

£744

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 5/7

2 stops17h 45m

Belfast Intl

Mon 8/7

2 stops16h 10m

£773

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 14/6

3 stops33h 50m

Belfast Intl

Sun 16/6

2 stops14h 20m

£808

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 5/7

2 stops13h 20m

Belfast Intl

Mon 8/7

3 stops18h 15m

£832

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 14/6

2 stops23h 29m

Belfast Intl

Sun 16/6

1 stop26h 55m

£845

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 14/6

2 stops17h 25m

Belfast Intl

Sun 16/6

2 stops24h 50m

£886

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 16/7

1 stop11h 30m

Belfast Intl

Sat 20/7

2 stops32h 55m

£938

Flights are sorted by cheapest first

Deals found on 13/5

When is the best time to book a flight from Boston to Belfast Intl Airport?

Use this chart to determine the optimal time to book a return flight from Boston to Belfast Intl. Price data was last updated on 10 May 2024.
The price you pay for your flight from Boston to Belfast Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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Average price of flights to Belfast Intl by month

Plan your trip from Boston to Belfast Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to Belfast Intl is currently £275 while a return flight costs £787. Price data was last updated on 12 May 2024.

Currently, October is the cheapest month in which you can book a flight from Boston to Belfast Intl Airport (average of £62). Flying from Boston to Belfast Intl Airport in August is currently the most expensive (average of £81). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

£50

February

£56

March

£55

April

£55

May

£57

June

£59

July

£64

August

£65

September

£57

October

£49

November

£55

December

£57

Temperature and rainfall in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

5 - 16 °C

Related info for your journey

Find useful and relevant information for your journey from Boston to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Belfast Intl?

    If you book a flight to Belfast Intl from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 0 flights from Logan Intl to Belfast Intl per day from 0 different airlines.

  • Can I find flights from Boston to Belfast Intl Airport for under £700 on Cheapflights?

    Yes, there are multiple flights from Boston to Belfast Intl Airport for under £700. The cheapest flight booked recently is on Multiple Airlines for just £602, but on average you can expect to pay £887.

  • What does BOS to BFS mean?

    Boston Logan Intl Airport is BOS and Belfast Intl Airport is BFS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Boston to Belfast Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Belfast Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Belfast Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Belfast Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on Boston to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Belfast Intl.

  • Can I find deals for business class flights from Boston to Belfast Intl?

    Yes. Cheapflights offers flight deals from Boston to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Boston to Belfast Intl that allow pets onboard?

    Many airlines flying from Boston to Belfast Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Belfast Intl?

    Yes, you can often find last-minute deals on Boston to Belfast Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Belfast Intl Airport flight deals updated?

    The Boston to Belfast Intl Airport flight deals you see on this page were last updated on 13/5.

See more FAQs

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Search flights from Boston to Belfast Intl by cabin class

Find flights from Boston to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Belfast Intl?

When you search for this flight from Boston to Belfast Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to Belfast Intl.

Can Cheapflights find flights from Boston to Belfast Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Belfast Intl become cheaper?

Yes! Start tracking prices for Boston to Belfast Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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