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Cheap flights from Boston to Belfast from £236

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 24/7. 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
22 May — 29 May1
1 adult
Wed 22/5
Wed 29/5

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 17 May 2024.

Popular in

July

Cheapest in

March

Average price

£598

Round-trip from

£49
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
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How far in advance should I book a flight from Boston to Belfast?

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 1-2 weeks in advance for as low as £517, or £617 for flights within the next 24 hours.

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

March can be a great time to fly to Belfast from Boston with a flight ticket averaging about £596. Cheapflights users have found deals in the month of March for as cheap as £408. The most expensive prices can be found in the month of July.

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

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

Cheap American Airlines flights from Boston to Belfast

Explore cheap flight options specifically provided by American Airlines for the route between Boston and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 17 May 2024.
Take a peek at the cheapest American Airlines flights we've detected travelling from Boston to Belfast. Make sure to double check the flight details before booking.
Thu 3/1020:15BOS - BHD
1 stop12h 15mAmerican Airlines
Mon 7/1015:25BHD - BOS
1 stop25h 35mAmerican Airlines
Deal found 16/5£490
Thu 3/1017:35BOS - BHD
2 stops14h 55mAmerican Airlines
Mon 7/1015:25BHD - BOS
1 stop25h 35mAmerican Airlines
Deal found 16/5£494
Mon 15/720:25BOS - BHD
2 stops16h 00mAmerican Airlines
Mon 22/712:20BHD - BOS
2 stops15h 20mAmerican Airlines
Deal found 16/5£689
Sun 14/719:10BOS - BHD
1 stop12h 50mAmerican Airlines
Sat 20/716:15BHD - BOS
1 stop24h 50mAmerican Airlines
Deal found 16/5£775
Sun 30/617:47BOS - BHD
2 stops15h 48mAmerican Airlines
Sun 7/717:35BHD - BOS
1 stop23h 30mAmerican Airlines
Deal found 15/5£779
Sat 6/721:50BOS - BHD
1 stop12h 15mAmerican Airlines
Sat 10/806:50BHD - BOS
1 stop20h 50mAmerican Airlines
Deal found 15/5£814
Sat 6/720:25BOS - BHD
2 stops13h 40mAmerican Airlines
Sat 10/816:15BHD - BOS
1 stop11h 25mAmerican Airlines
Deal found 15/5£818
Fri 5/721:55BOS - BHD
1 stop15h 15mAmerican Airlines
Sat 13/716:15BHD - BOS
1 stop24h 50mAmerican Airlines
Deal found 15/5£821
Sat 6/717:45BOS - BHD
2 stops13h 35mAmerican Airlines
Sat 10/806:50BHD - BOS
2 stops19h 18mAmerican Airlines
Deal found 15/5£826

Cheap Lufthansa flights from Boston to Belfast

Explore cheap flight options specifically provided by Lufthansa for the route between Boston and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 17 May 2024.
Some of the best deals we've found on Lufthansa flights travelling from Boston to Belfast. Make sure to examine the flight information before completing your reservation.
Thu 3/1009:40BOS - BHD
2 stops24h 10mLufthansa
Mon 7/1015:35BHD - BOS
2 stops32h 37mLufthansa
Deal found 16/5£525
Sun 9/620:05BOS - BHD
2 stops13h 45mLufthansa
Sun 16/610:15BHD - BOS
2 stops36h 35mLufthansa
Deal found 15/5£586
Sun 9/622:00BOS - BHD
1 stop11h 50mLufthansa
Sun 16/610:15BHD - BOS
1 stop15h 00mLufthansa
Deal found 15/5£591
Sun 9/622:00BOS - BHD
1 stop11h 50mLufthansa
Sun 16/610:15BHD - BOS
2 stops36h 35mLufthansa
Deal found 15/5£592
Wed 10/722:00BOS - BHD
1 stop11h 50mLufthansa
Tue 16/715:35BHD - BOS
2 stops31h 15mLufthansa
Deal found 16/5£671
Wed 10/720:05BOS - BHD
2 stops13h 45mLufthansa
Mon 22/715:35BHD - BOS
2 stops31h 15mLufthansa
Deal found 16/5£674
Wed 12/620:05BOS - BHD
2 stops13h 45mLufthansa
Sun 23/610:15BHD - BOS
2 stops36h 35mLufthansa
Deal found 16/5£675
Wed 12/622:00BOS - BHD
1 stop11h 50mLufthansa
Sun 23/610:15BHD - BOS
2 stops36h 35mLufthansa
Deal found 16/5£681
Tue 25/619:10BOS - BHD
2 stops38h 40mLufthansa
Tue 2/715:35BHD - BOS
2 stops31h 15mLufthansa
Deal found 14/5£727

Cheap Boston to Belfast flights in May & June 2024

Find cheap flight options from Boston to Belfast specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Prices were last updated on 17 May 2024.
Listed are some of the best fares we've found on flights departing from Boston to Belfast in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 14/610:20BOS - BFS
2 stops23h 50mMultiple Airlines
Wed 19/606:05BFS - BOS
2 stops16h 55mMultiple Airlines
Deal found 16/5£599
Fri 14/617:38BOS - BHD
2 stops19h 32mBritish Airways
Wed 19/613:40BHD - BOS
1 stop11h 10mBritish Airways
Deal found 16/5£641
Mon 20/520:15BOS - BHD
1 stop11h 35mAmerican Airlines
Wed 19/609:50BHD - BOS
1 stop11h 55mAmerican Airlines
Deal found 16/5£648
Mon 20/520:23BOS - BHD
2 stops16h 02mAmerican Airlines
Wed 19/616:05BHD - BOS
1 stop24h 50mAmerican Airlines
Deal found 16/5£651
Mon 20/520:15BOS - BHD
1 stop11h 35mBritish Airways
Wed 19/613:40BHD - BOS
1 stop11h 10mBritish Airways
Deal found 16/5£666
Mon 20/520:23BOS - BHD
2 stops16h 02mAmerican Airlines
Wed 19/609:50BHD - BOS
1 stop11h 55mAmerican Airlines
Deal found 16/5£669
Wed 12/620:05BOS - BHD
2 stops13h 45mLufthansa
Sun 23/610:15BHD - BOS
2 stops36h 35mLufthansa
Deal found 16/5£675
Wed 12/622:00BOS - BHD
1 stop11h 50mLufthansa
Sun 23/610:15BHD - BOS
2 stops36h 35mLufthansa
Deal found 16/5£681
Mon 20/518:50BOS - BHD
2 stops17h 00mDelta
Wed 19/617:20BHD - BOS
2 stops27h 35mDelta
Deal found 16/5£703

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 844,321 searches. Data last updated 17 May 2024.
Listed are some of the best fares we've found on flights departing from Boston to Belfast in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 3/1020:15BOS - BHD
1 stop12h 15mAmerican Airlines
Mon 7/1015:25BHD - BOS
1 stop25h 35mAmerican Airlines
Deal found 16/5£490
Thu 3/1017:35BOS - BHD
2 stops14h 55mAmerican Airlines
Mon 7/1015:25BHD - BOS
1 stop25h 35mAmerican Airlines
Deal found 16/5£494
Thu 3/1009:40BOS - BHD
2 stops24h 10mLufthansa
Mon 7/1015:35BHD - BOS
2 stops32h 37mLufthansa
Deal found 16/5£525
Thu 3/1010:40BOS - BFS
2 stops17h 55mMultiple Airlines
Mon 7/1010:15BFS - BOS
1 stop15h 55mMultiple Airlines
Deal found 16/5£529
Fri 14/610:20BOS - BFS
2 stops23h 50mMultiple Airlines
Wed 19/606:05BFS - BOS
2 stops16h 55mMultiple Airlines
Deal found 16/5£599
Mon 15/719:15BOS - BFS
2 stops22h 45mMultiple Airlines
Mon 22/706:50BFS - BOS
2 stops16h 10mMultiple Airlines
Deal found 16/5£612
Wed 10/719:15BOS - BFS
2 stops20h 15mMultiple Airlines
Tue 16/706:05BFS - BOS
2 stops16h 55mMultiple Airlines
Deal found 16/5£635
Wed 10/720:25BOS - BHD
1 stop12h 00mBritish Airways
Tue 16/719:30BHD - BOS
1 stop21h 35mBritish Airways
Deal found 16/5£637
Fri 14/617:38BOS - BHD
2 stops19h 32mBritish Airways
Wed 19/613:40BHD - BOS
1 stop11h 10mBritish Airways
Deal found 16/5£641

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 844,321 searches. Data last updated 17 May 2024.
Some of the best available deals we've found on one-way flights from Boston to Belfast. Users needing a return flight from Boston to Belfast should utilize the search form above.
Wed 24/709:26BOS - BFS
2 stops31h 34mMultiple Airlines
Deal found 16/5£236
Sat 20/719:15BOS - BHD
2 stops32h 50mMultiple Airlines
Deal found 16/5£241
Sat 20/719:15BOS - BFS
2 stops36h 50mMultiple Airlines
Deal found 16/5£241
Wed 24/709:26BOS - BHD
2 stops24h 34mMultiple Airlines
Deal found 15/5£249
Thu 25/719:15BOS - BFS
3 stops23h 00mMultiple Airlines
Deal found 16/5£252
Sat 6/719:15BOS - BFS
2 stops21h 10mMultiple Airlines
Deal found 15/5£252
Wed 24/709:26BOS - BHD
2 stops24h 34mMultiple Airlines
Deal found 16/5£255
Sat 6/719:15BOS - BHD
2 stops32h 50mMultiple Airlines
Deal found 15/5£258
Wed 24/719:15BOS - BFS
3 stops19h 50mMultiple Airlines
Deal found 16/5£259

Find flights from Boston to Belfast within your budget

Customise 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 844,321 searches. Data last updated 17 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£490 - £1,022

Route

Depart

Return

Price

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 3/10

1 stop12h 15m

Belfast City

Mon 7/10

1 stop25h 35m

£490

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 3/10

2 stops14h 55m

Belfast City

Mon 7/10

1 stop25h 35m

£494

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 3/10

2 stops24h 10m

Belfast City

Mon 7/10

2 stops32h 37m

£525

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 3/10

2 stops17h 55m

Belfast Intl

Mon 7/10

1 stop15h 55m

£529

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 9/6

2 stops13h 45m

Belfast City

Sun 16/6

2 stops36h 35m

£586

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 14/6

2 stops23h 50m

Belfast Intl

Wed 19/6

2 stops16h 55m

£599

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 10/7

1 stop12h 00m

Belfast City

Tue 16/7

1 stop21h 35m

£637

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 14/6

1 stop17h 00m

Belfast City

Wed 19/6

1 stop28h 15m

£805

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 13/6

1 stop19h 10m

Belfast City

Sun 23/6

2 stops25h 15m

£1,022

Flights are sorted by cheapest first

Deals found on 16/5

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

Use this chart to determine the optimal time to book a return flight from Boston to Belfast. Price data was last updated on 10 May 2024.
To ensure you get the cheapest price possible for a flight from Boston to Belfast, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

Average price of flights to Belfast by month

Plan your trip from Boston to Belfast by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to Belfast is currently £249 while a return flight costs £632. 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 (average of £62). Flying from Boston to Belfast 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

£55

March

£54

April

£54

May

£57

June

£58

July

£63

August

£64

September

£56

October

£49

November

£54

December

£56

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

5 - 16 °C

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 17 May 2024.
See what other customers who have flown with American Airlines, Lufthansa and British Airways from Boston to Belfast have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

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
10,673 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

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
1,568 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7.7
Good
735 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

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
14,514 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

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.

Lufthansa
7.0
Good
7,659 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

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?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Belfast from Boston. Booking flights from Logan Intl (BOS) to Belfast should be relatively easy as there are 0 daily outbound flights to Belfast from 1 airline.

  • Can I find flights from Boston to Belfast for under £500 on Cheapflights?

    Yes, there are multiple flights from Boston to Belfast for under £500. The cheapest flight booked recently is on American Airlines for just £490, but on average you can expect to pay £618.

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

    Flying on American Airlines is currently your cheapest option to Belfast, with prices starting at £490. Additional return tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at £525 and £637, respectively. American Airlines is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • 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 £261. Delta flights start at £270 while deals on Virgin Atlantic start at £285 one-way.

  • What does BOS to BFS mean?

    This is defined as Boston Logan Intl Airport (BOS) and Belfast Intl Airport (BFS). Codes like Belfast Intl Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY), Glasgow Prestwick Airport (PIK), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

  • 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 holiday 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 16/5.

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
Hartford to Belfast City flights

Top airline flying from Boston to Belfast

Discover the top airline 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 844,321 searches. Data last updated 17 May 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£502Average£526FlexibilityNo 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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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?

Cheapflights makes it easy to find Boston to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Boston to Belfast by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Belfast from Boston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Boston to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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