Cheap flights from Boston (BOS) to Belfast from $225

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 9/30. 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 — BHD
Jun 18 — Jun 251

Cheap flight deals from Boston to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Belfast (BF1). 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 June 13, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$640

One-way from

$400
High demand for flights, 33% potential price rise
Best time to find cheap flights, 29% potential price drop
From Boston Logan Intl to Belfast
One-way flight from Boston Logan Intl to Belfast

What is the cheapest day to fly round-trip from Boston to Belfast?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 24% on your flight compared to booking on days when demand is much higher.

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

The best pricing can be found in the month of March. Prices to Belfast from Boston average $730. You can even find prices in March for less than $730, as users have found deals to Belfast from as low as $517. The month of July appears to be one of the more expensive times to travel to Belfast from Boston. Flying in the targeted month can save you up to 48%.

What is the cheapest time of day to fly from BOS to BFS?

Unlike at noon, when flights are generally more expensive, you can save up to 16% on flights from Boston to Belfast by exploring options for tickets in the morning.

Cheap Boston to Belfast flights in June & July 2024

Find cheap flight options from Boston to Belfast specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
These are some of the most attractive deals on flights from Boston to Belfast in 2024. Check back in a little while for more flight options.
Mon 7/87:10 pmBOS - BHD
1 stop12h 40mBritish Airways
Tue 7/166:35 amBHD - BOS
1 stop10h 30mBritish Airways
Deal found 6/11$772
Mon 7/88:05 pmBOS - BHD
2 stops13h 45mLufthansa
Tue 7/163:35 pmBHD - BOS
1 stop29h 25mLufthansa
Deal found 6/11$932
Tue 7/98:35 pmBOS - BHD
1 stop11h 20mBritish Airways
Tue 7/166:35 amBHD - BOS
1 stop10h 30mBritish Airways
Deal found 6/12$940
Tue 7/98:35 pmBOS - BHD
1 stop11h 20mBritish Airways
Tue 7/166:35 amBHD - BOS
1 stop10h 30mBritish Airways
Deal found 6/13$943
Tue 7/95:45 pmBOS - BHD
2 stops14h 10mAmerican Airlines
Tue 7/164:20 pmBHD - BOS
1 stop24h 45mAmerican Airlines
Deal found 6/12$945
Tue 7/98:25 pmBOS - BHD
2 stops13h 55mAmerican Airlines
Tue 7/166:35 amBHD - BOS
1 stop15h 15mAmerican Airlines
Deal found 6/13$948
Mon 7/88:35 pmBOS - BHD
1 stop11h 15mAmerican Airlines
Tue 7/161:40 pmBHD - BOS
2 stops15h 04mAmerican Airlines
Deal found 6/12$950
Tue 7/98:25 pmBOS - BHD
2 stops13h 55mAmerican Airlines
Tue 7/161:40 pmBHD - BOS
2 stops14h 00mAmerican Airlines
Deal found 6/12$955
Tue 7/95:45 pmBOS - BHD
2 stops14h 10mAmerican Airlines
Tue 7/161:40 pmBHD - BOS
2 stops15h 04mAmerican Airlines
Deal found 6/13$958

Boston to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Boston and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
These are some of the most attractive deals on flights from Boston to Belfast in 2024. Check back in a little while for more flight options.
Tue 9/2410:00 pmBOS - BHD
1 stop12h 20mBritish Airways
Sun 10/2011:20 amBHD - BOS
1 stop10h 25mBritish Airways
Deal found 6/11$594
Tue 9/244:17 pmBOS - BHD
2 stops13h 18mAmerican Airlines
Sun 10/206:50 amBHD - BOS
1 stop18h 05mAmerican Airlines
Deal found 6/11$613
Tue 9/38:00 pmBOS - BHD
1 stop9h 35mAmerican Airlines
Tue 9/109:45 amBHD - BOS
1 stop18h 00mAmerican Airlines
Deal found 6/12$620
Thu 9/197:15 pmBOS - BHD
1 stop13h 15mAmerican Airlines
Tue 9/246:35 amBHD - BOS
1 stop10h 25mAmerican Airlines
Deal found 6/12$624
Thu 9/195:50 pmBOS - BHD
2 stops14h 40mAmerican Airlines
Tue 9/249:45 amBHD - BOS
1 stop12h 05mAmerican Airlines
Deal found 6/12$628
Tue 9/38:00 pmBOS - BHD
1 stop9h 35mAmerican Airlines
Tue 9/101:40 pmBHD - BOS
2 stops13h 43mAmerican Airlines
Deal found 6/12$630
Tue 9/310:34 amBOS - BHD
2 stops19h 01mBritish Airways
Tue 9/249:45 amBHD - BOS
1 stop12h 05mBritish Airways
Deal found 6/13$655
Tue 9/35:45 pmBOS - BHD
2 stops14h 10mBritish Airways
Tue 9/101:40 pmBHD - BOS
2 stops13h 43mBritish Airways
Deal found 6/12$662
Tue 9/310:34 amBOS - BHD
2 stops19h 01mBritish Airways
Tue 9/241:40 pmBHD - BOS
2 stops14h 42mBritish Airways
Deal found 6/13$665

Boston to Belfast flights leaving soon

Find last-minute flight options from Boston to Belfast for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Consider one of these great deals we found on last-minute flights from Boston to Belfast. Tip: verify your flight details before completing your reservation.
Sun 6/238:05 pmBOS - BHD
2 stops37h 45mLufthansa
Tue 7/23:35 pmBHD - BOS
1 stop33h 40mLufthansa
Deal found 6/12$1,219
Sun 6/238:05 pmBOS - BHD
2 stops37h 45mLufthansa
Tue 7/23:35 pmBHD - BOS
2 stops31h 15mLufthansa
Deal found 6/12$1,220
Wed 6/197:15 pmBOS - BFS
2 stops15h 15mMultiple Airlines
Sat 6/227:10 amBFS - BOS
2 stops15h 50mMultiple Airlines
Deal found 6/11$1,256
Sun 6/238:20 pmBOS - BHD
1 stop13h 15mBritish Airways
Tue 7/21:40 pmBHD - BOS
1 stop11h 10mBritish Airways
Deal found 6/12$1,375
Wed 6/198:05 pmBOS - BHD
2 stops13h 45mMultiple Airlines
Sat 6/227:15 amBHD - BOS
3 stops36h 34mMultiple Airlines
Deal found 6/11$1,401
Wed 6/194:10 pmBOS - BHD
1 stop17h 40mMultiple Airlines
Sat 6/227:15 amBHD - BOS
3 stops36h 34mMultiple Airlines
Deal found 6/11$1,571
Wed 6/1910:43 amBOS - BFS
3 stops24h 02mMultiple Airlines
Sat 6/226:00 amBFS - BOS
2 stops17h 00mMultiple Airlines
Deal found 6/11$1,813
Wed 6/194:10 pmBOS - BHD
1 stop17h 40mMultiple Airlines
Sat 6/226:35 amBHD - BOS
2 stops18h 51mMultiple Airlines
Deal found 6/11$1,940
Wed 6/196:05 pmBOS - BHD
1 stop15h 45mMultiple Airlines
Sat 6/226:55 pmBHD - BOS
1 stop22h 00mMultiple Airlines
Deal found 6/11$3,176

One-way flights to Belfast from Boston

Search for one-way flight options from Boston to Belfast. 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 3,214,720 searches. Data last updated June 13, 2024.
Some of the best available deals we've found on one-way flights from Boston to Belfast. Those needing a return flight from Boston to Belfast can use the search form above.
Mon 9/3010:50 amBOS - BFS
2 stops27h 35mMultiple Airlines
Deal found 6/12$225
Mon 9/3010:50 amBOS - BHD
2 stops28h 55mMultiple Airlines
Deal found 6/12$264
Mon 9/3010:50 amBOS - BFS
3 stops19h 25mMultiple Airlines
Deal found 6/12$305
Mon 9/307:15 pmBOS - BHD
3 stops20h 55mMultiple Airlines
Deal found 6/12$314
Mon 9/3010:00 pmBOS - BHD
1 stop11h 50mLufthansa
Deal found 6/12$332
Fri 10/1810:00 pmBOS - BHD
1 stop30h 25mLufthansa
Deal found 6/12$378
Wed 7/178:05 pmBOS - BHD
2 stops13h 45mLufthansa
Deal found 6/13$395
Mon 9/304:50 pmBOS - BHD
1 stop19h 00mVirgin Atlantic
Deal found 6/12$400
Wed 7/176:05 pmBOS - BHD
1 stop15h 45mLufthansa
Deal found 6/13$402

Find flights from Boston to Belfast within your budget

Customize your flight search to find flights from Boston to Belfast 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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$594 - $967

Route

Depart

Return

Price

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/24

1 stop12h 20m

Belfast City

Sun 10/20

1 stop10h 25m

$594

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/24

2 stops13h 18m

Belfast City

Sun 10/20

1 stop18h 05m

$613

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/3

1 stop9h 35m

Belfast City

Tue 9/10

1 stop18h 00m

$620

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 9/19

1 stop13h 15m

Belfast City

Tue 9/24

1 stop10h 25m

$624

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 9/3

2 stops14h 10m

Belfast City

Tue 9/10

2 stops13h 43m

$662

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 8/19

2 stops21h 25m

Belfast Intl

Sat 8/24

2 stops29h 05m

$684

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 8/16

1 stop15h 25m

Belfast City

Thu 8/22

1 stop28h 20m

$833

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 8/19

2 stops13h 45m

Belfast City

Fri 8/23

1 stop29h 25m

$889

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 8/19

2 stops35h 25m

Belfast City

Sat 8/24

2 stops22h 31m

$967

Flights are sorted by cheapest first

Deals found on 6/11

What is the cheapest day to fly from Boston to Belfast?

Use this chart to determine the cheapest time to fly round-trip from Boston to Belfast. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Belfast flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Boston to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Belfast by month

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

BFS

Temperature

41 - 60.8 °F

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated June 13, 2024.
See what other customers who have flown with British Airways, American Airlines and Delta from Boston to Belfast have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,000 reviews
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
712 reviews
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
10,000 reviews
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.1
Good
2,703 reviews
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.0
Good
7,483 reviews
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Boston to Belfast. 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?

    If you book a flight to Belfast 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 per day from 2 different airlines.

  • Can I find flights from Boston to Belfast for under $600 on Cheapflights?

    Yes, there are multiple flights from Boston to Belfast for under $600. The cheapest flight booked recently is on British Airways for just $594, but on average you can expect to pay $715.

  • Are there last-minute flights available from Boston to Belfast for under $1,300?

    There are currently 9+ open flights from Boston to Belfast within the next 7 days for less than $1,300.

  • What are the cheapest airlines flying from Boston to Belfast round-trip?

    According to our current data, British Airways ($594), American Airlines ($613), and Delta ($833) offers the cheapest pricing from Boston to Belfast. You may be able to fly from Boston to Belfast for 18% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Belfast one-way?

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $332. Virgin Atlantic flights start at $400 while deals on Delta start at $419 one-way.

  • What does BOS to BFS mean?

    BOS stands for Boston Logan Intl Airport, while BFS stands for Belfast Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your Boston to Belfast 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 with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Belfast 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 that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Belfast 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 that allow pets onboard?

    Many airlines flying from Boston to Belfast 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?

    Yes, you can often find last-minute deals on Boston to Belfast 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 flight deals updated?

    The Boston to Belfast flight deals you see on this page were last updated on 6/13.

  • What is the cheapest month to book a flight from Boston to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Boston to Belfast (average of $641). Flying from Boston to Belfast in June is currently the most expensive (average of $1,214). 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.

See more FAQs

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Alternative routes for Boston to Belfast
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Boston to Belfast

Discover the top 2 airlines that operate flights from Boston to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$518Average$667FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$601Average$792FlexibilityNo cancel feeOn-time70%

Search flights from Boston to Belfast by cabin class

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