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Cheap flights from Boston (BOS) to Belfast from $254

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 9/11. 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 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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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 6, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$640

One-way from

$382
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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From Boston Logan Intl to Belfast
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One-way flight from Boston Logan Intl to Belfast
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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 26% 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 $754. You can even find prices in March for less than $754, 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 45%.

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 13% 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 3,050,429 searches. Prices were last updated on June 6, 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 6/118:20 pmBOS - BHD
1 stop14h 00mBritish Airways
Tue 6/189:45 amBHD - BOS
1 stop15h 05mBritish Airways
Deal found 6/5$737
Tue 6/114:10 pmBOS - BHD
2 stops13h 25mAmerican Airlines
Tue 6/184:20 pmBHD - BOS
1 stop24h 35mAmerican Airlines
Deal found 6/5$741
Wed 6/126:50 pmBOS - BHD
1 stop17h 00mDelta
Wed 6/195:20 pmBHD - BOS
1 stop28h 15mDelta
Deal found 6/5$770
Wed 6/197:15 pmBOS - BFS
2 stops22h 10mMultiple Airlines
Wed 6/266:05 amBFS - BOS
2 stops16h 55mMultiple Airlines
Deal found 6/5$775
Tue 6/118:25 pmBOS - BHD
1 stop15h 25mVirgin Atlantic
Tue 6/185:20 pmBHD - BOS
1 stop30h 10mVirgin Atlantic
Deal found 6/5$820
Wed 6/128:25 pmBOS - BHD
1 stop15h 25mDelta
Wed 6/195:20 pmBHD - BOS
1 stop28h 15mDelta
Deal found 6/6$821
Thu 6/63:30 pmBOS - BHD
2 stops20h 20mDelta
Thu 6/135:20 pmBHD - BOS
1 stop28h 15mDelta
Deal found 6/5$825
Wed 6/126:50 pmBOS - BHD
1 stop17h 00mDelta
Wed 6/195:20 pmBHD - BOS
2 stops30h 20mDelta
Deal found 6/5$831
Thu 6/63:30 pmBOS - BHD
2 stops20h 20mDelta
Thu 6/135:20 pmBHD - BOS
2 stops30h 20mDelta
Deal found 6/5$835

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 3,050,429 searches. Data last updated June 6, 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 8/207:10 pmBOS - BHD
1 stop10h 25mBritish Airways
Wed 8/281:40 pmBHD - BOS
1 stop14h 00mBritish Airways
Deal found 6/5$596
Sun 11/106:55 pmBOS - BHD
1 stop10h 40mIberia
Sat 11/163:00 pmBHD - BOS
1 stop28h 05mIberia
Deal found 6/5$614
Tue 8/204:16 pmBOS - BHD
2 stops13h 19mAmerican Airlines
Wed 8/284:05 pmBHD - BOS
1 stop11h 35mAmerican Airlines
Deal found 6/5$615
Sun 11/101:32 pmBOS - BHD
2 stops16h 03mIberia
Sat 11/163:00 pmBHD - BOS
1 stop26h 50mIberia
Deal found 6/5$619
Tue 8/201:29 pmBOS - BHD
2 stops22h 21mVirgin Atlantic
Wed 8/285:20 pmBHD - BOS
2 stops35h 32mVirgin Atlantic
Deal found 6/5$631
Mon 12/1610:00 pmBOS - BHD
1 stop13h 10mBritish Airways
Sat 12/286:45 amBHD - BOS
1 stop17h 55mBritish Airways
Deal found 6/5$648
Thu 11/2810:00 pmBOS - BHD
1 stop16h 30mIberia
Sun 12/13:05 pmBHD - BOS
1 stop11h 50mIberia
Deal found 6/5$676
Mon 12/166:28 pmBOS - BHD
2 stops14h 52mAmerican Airlines
Sat 12/286:45 amBHD - BOS
1 stop17h 55mAmerican Airlines
Deal found 6/5$680
Thu 11/289:00 pmBOS - BHD
2 stops14h 05mLufthansa
Sun 12/19:30 amBHD - BOS
2 stops38h 05mLufthansa
Deal found 6/5$683

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 3,050,429 searches. Data last updated June 6, 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.
Tue 6/118:20 pmBOS - BHD
1 stop14h 00mBritish Airways
Tue 6/189:45 amBHD - BOS
1 stop15h 05mBritish Airways
Deal found 6/5$737
Tue 6/114:10 pmBOS - BHD
2 stops13h 25mAmerican Airlines
Tue 6/184:20 pmBHD - BOS
1 stop24h 35mAmerican Airlines
Deal found 6/5$741
Wed 6/126:50 pmBOS - BHD
1 stop17h 00mDelta
Wed 6/195:20 pmBHD - BOS
1 stop28h 15mDelta
Deal found 6/5$770
Wed 6/197:15 pmBOS - BFS
2 stops22h 10mMultiple Airlines
Wed 6/266:05 amBFS - BOS
2 stops16h 55mMultiple Airlines
Deal found 6/5$775
Tue 6/118:25 pmBOS - BHD
1 stop15h 25mVirgin Atlantic
Tue 6/185:20 pmBHD - BOS
1 stop30h 10mVirgin Atlantic
Deal found 6/5$820
Wed 6/128:25 pmBOS - BHD
1 stop15h 25mDelta
Wed 6/195:20 pmBHD - BOS
1 stop28h 15mDelta
Deal found 6/6$821
Tue 6/113:29 pmBOS - BHD
2 stops20h 21mDelta
Tue 6/185:20 pmBHD - BOS
1 stop25h 20mDelta
Deal found 6/5$825
Wed 6/126:50 pmBOS - BHD
1 stop17h 00mDelta
Wed 6/195:20 pmBHD - BOS
2 stops30h 20mDelta
Deal found 6/5$831
Tue 6/113:29 pmBOS - BHD
2 stops20h 21mDelta
Tue 6/185:20 pmBHD - BOS
2 stops30h 26mDelta
Deal found 6/5$835

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 3,050,429 searches. Data last updated June 6, 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.
Wed 9/116:00 amBOS - BFS
3 stops59h 20mMultiple Airlines
Deal found 6/5$254
Wed 9/119:16 amBOS - BFS
2 stops25h 54mMultiple Airlines
Deal found 6/5$263
Sun 9/1510:50 amBOS - BFS
2 stops32h 05mMultiple Airlines
Deal found 6/5$290
Sun 8/1811:35 pmBOS - BFS
2 stops52h 25mMultiple Airlines
Deal found 6/4$291
Wed 9/116:00 amBOS - BHD
3 stops52h 40mMultiple Airlines
Deal found 6/5$304
Wed 8/147:40 amBOS - BFS
3 stops58h 30mMultiple Airlines
Deal found 6/5$305
Wed 9/117:15 pmBOS - BHD
2 stops19h 45mMultiple Airlines
Deal found 6/5$315
Sun 9/1510:50 amBOS - BHD
3 stops29h 20mMultiple Airlines
Deal found 6/5$320
Sun 8/188:50 pmBOS - BFS
3 stops21h 20mMultiple Airlines
Deal found 6/4$328

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$596 - $1,108

Route

Depart

Return

Price

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 8/20

1 stop10h 25m

Belfast City

Wed 8/28

1 stop14h 00m

$596

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 11/10

1 stop10h 40m

Belfast City

Sat 11/16

1 stop28h 05m

$614

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 8/20

2 stops13h 19m

Belfast City

Wed 8/28

1 stop11h 35m

$615

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 11/10

2 stops16h 03m

Belfast City

Sat 11/16

1 stop26h 50m

$619

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 8/20

2 stops22h 21m

Belfast City

Wed 8/28

2 stops35h 32m

$631

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 11/28

2 stops14h 05m

Belfast City

Sun 12/1

2 stops38h 05m

$683

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 8/14

1 stop18h 55m

Belfast City

Mon 8/19

2 stops28h 56m

$701

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 6/19

2 stops22h 10m

Belfast Intl

Wed 6/26

2 stops16h 55m

$775

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 6/19

1 stop15h 25m

Belfast City

Wed 6/26

2 stops25h 15m

$1,108

Flights are sorted by cheapest first

Deals found on 6/5

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 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Belfast flight should consider departing on Tuesday 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 6, 2024.
See what other customers who have flown with Iberia, Delta and KLM 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.
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

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.

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

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.

KLM
7.9
Good
1,489 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

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.

Virgin Atlantic
7.6
Good
718 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

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.

American Airlines
7.3
Good
14,227 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

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.

Iberia
7.1
Good
2,720 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

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 $596, but on average you can expect to pay $726.

  • Are there last-minute flights available from Boston to Belfast for under $800?

    There are currently 12+ open flights from Boston to Belfast within the next 7 days for less than $800.

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

    According to our current data, British Airways ($596), Iberia ($614), and American Airlines ($615) offers the cheapest pricing from Boston to Belfast. You may be able to fly from Boston to Belfast for 20% less than the average price by searching for these airlines.

  • 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 6/5.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Boston to Belfast Intl flights
Boston to Belfast City flights
Worcester to Belfast City flights
Hartford to Belfast City flights

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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$518Average$667FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$601Average$792FlexibilityNo cancel feeOn-time70%
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Search flights from Boston to Belfast by cabin class

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