HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Boston (BOS) to Belfast Intl (BFS) from $349

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 10/21. 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
Jun 17 — Jun 241
From?
To?
Mon 6/17
Mon 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 June 12, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$640

One-way from

$349
High demand for flights, 31% potential price rise
Search Deals
Best time to find cheap flights, 31% potential price drop
Search Deals
From Boston Logan Intl to Belfast Intl
Search Deals
One-way flight from Boston Logan Intl to Belfast Intl
Search Deals

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

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 Intl Airport?

The best pricing can be found in the month of March. Prices to Belfast Intl Airport from Boston average $754. You can even find prices in March for less than $754, as users have found deals to Belfast Intl Airport from as low as $517. The month of July appears to be one of the more expensive times to travel to Belfast Intl Airport 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 16% on flights from Boston to Belfast Intl Airport by exploring options for tickets in the morning.

Cheap Boston to Belfast Intl flights in June & July 2024

Find cheap flight options from Boston to Belfast Intl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 12, 2024.
Wed 7/108:50 pmBOS - BFS
2 stops18h 40mMultiple Airlines
Wed 7/179:40 pmBFS - BOS
2 stops25h 20mMultiple Airlines
Deal found 6/10$768
Wed 7/103:26 pmBOS - BFS
3 stops24h 09mMultiple Airlines
Wed 7/179:40 pmBFS - BOS
2 stops25h 20mMultiple Airlines
Deal found 6/10$816
Mon 7/87:10 pmBOS - BFS
1 stop22h 45mMultiple Airlines
Tue 7/167:50 pmBFS - BOS
2 stops27h 10mMultiple Airlines
Deal found 6/11$901
Tue 6/258:50 pmBOS - BFS
2 stops20h 15mMultiple Airlines
Thu 7/46:15 amBFS - BOS
2 stops17h 35mMultiple Airlines
Deal found 6/11$1,024
Mon 7/812:07 pmBOS - BFS
2 stops29h 18mMultiple Airlines
Tue 7/166:00 amBFS - BOS
2 stops17h 00mMultiple Airlines
Deal found 6/11$1,028
Mon 7/85:45 amBOS - BFS
3 stops35h 40mMultiple Airlines
Tue 7/166:00 amBFS - BOS
2 stops17h 00mMultiple Airlines
Deal found 6/11$1,043
Wed 7/103:26 pmBOS - BFS
2 stops24h 04mMultiple Airlines
Wed 7/179:45 amBFS - BOS
1 stop16h 25mMultiple Airlines
Deal found 6/10$1,091
Tue 6/256:00 amBOS - BFS
3 stops26h 45mMultiple Airlines
Thu 7/49:00 pmBFS - BOS
2 stops26h 00mMultiple Airlines
Deal found 6/11$1,112
Tue 6/256:00 amBOS - BFS
3 stops26h 45mMultiple Airlines
Thu 7/46:15 amBFS - BOS
3 stops30h 30mMultiple Airlines
Deal found 6/11$1,184

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 3,117,830 searches. Data last updated June 12, 2024.
Tue 9/2410:55 pmBOS - BFS
2 stops16h 40mMultiple Airlines
Sun 10/207:00 amBFS - BOS
1 stop19h 10mMultiple Airlines
Deal found 6/10$618
Tue 10/157:15 pmBOS - BFS
2 stops13h 30mMultiple Airlines
Mon 10/2110:15 amBFS - BOS
1 stop15h 55mMultiple Airlines
Deal found 6/10$650
Wed 7/108:50 pmBOS - BFS
2 stops18h 40mMultiple Airlines
Wed 7/179:40 pmBFS - BOS
2 stops25h 20mMultiple Airlines
Deal found 6/10$768
Tue 8/68:50 pmBOS - BFS
2 stops15h 50mMultiple Airlines
Tue 8/135:55 pmBFS - BOS
2 stops29h 05mMultiple Airlines
Deal found 6/10$806
Wed 7/103:26 pmBOS - BFS
3 stops24h 09mMultiple Airlines
Wed 7/179:40 pmBFS - BOS
2 stops25h 20mMultiple Airlines
Deal found 6/10$816
Wed 11/276:20 pmBOS - BFS
2 stops22h 10mMultiple Airlines
Sun 12/18:45 pmBFS - BOS
2 stops25h 15mMultiple Airlines
Deal found 6/11$856
Wed 11/276:20 pmBOS - BFS
2 stops22h 10mMultiple Airlines
Sun 12/19:30 amBFS - BOS
3 stops34h 00mMultiple Airlines
Deal found 6/11$891
Mon 7/87:10 pmBOS - BFS
1 stop22h 45mMultiple Airlines
Tue 7/167:50 pmBFS - BOS
2 stops27h 10mMultiple Airlines
Deal found 6/11$901
Wed 11/274:20 pmBOS - BFS
3 stops24h 25mMultiple Airlines
Sun 12/19:30 amBFS - BOS
3 stops34h 00mMultiple Airlines
Deal found 6/11$948

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 3,117,830 searches. Data last updated June 12, 2024.
Mon 10/218:50 pmBOS - BFS
2 stops12h 50mMultiple Airlines
Deal found 6/11$349
Wed 7/1711:35 pmBOS - BFS
2 stops15h 55mMultiple Airlines
Deal found 6/11$518
Mon 10/2111:05 pmBOS - BFS
3 stops51h 35mMultiple Airlines
Deal found 6/11$1,286

Find flights from Boston to Belfast Intl within your budget

Customize 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 3,117,830 searches. Data last updated June 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$618 - $948

Route

Depart

Return

Price

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 9/24

2 stops16h 40m

Belfast Intl

Sun 10/20

1 stop19h 10m

$618

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 10/15

2 stops13h 30m

Belfast Intl

Mon 10/21

1 stop15h 55m

$650

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 7/10

2 stops18h 40m

Belfast Intl

Wed 7/17

2 stops25h 20m

$768

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 8/6

2 stops15h 50m

Belfast Intl

Tue 8/13

2 stops29h 05m

$806

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 7/10

3 stops24h 09m

Belfast Intl

Wed 7/17

2 stops25h 20m

$816

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 11/27

2 stops22h 10m

Belfast Intl

Sun 12/1

2 stops25h 15m

$856

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 11/27

2 stops22h 10m

Belfast Intl

Sun 12/1

3 stops34h 00m

$891

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 7/8

1 stop22h 45m

Belfast Intl

Tue 7/16

2 stops27h 10m

$901

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 11/27

3 stops24h 25m

Belfast Intl

Sun 12/1

3 stops34h 00m

$948

Flights are sorted by cheapest first

Deals found on 6/10

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Belfast Intl. 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 Intl Airport 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 Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Intl by month

Plan your trip to Belfast Intl 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 Intl Airport, 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).

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?

    For a flight from Boston to Belfast Intl, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city. Logan Intl is the only Boston airport and it handles 0 outbound flights to Belfast Intl per day. 2 airlines have flights to Belfast Intl from Boston Logan Intl on a regular basis.

  • 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 $618, but on average you can expect to pay $922.

  • What does BOS to BFS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Boston Logan Intl Airport to Belfast Intl Airport flight would often be abbreviated as a BOS to BFS flight.

  • 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 vacation 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 6/11.

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

    Currently, February is the cheapest month in which you can book a flight from Boston to Belfast Intl Airport (average of $641). Flying from Boston to Belfast Intl Airport 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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

Top 2 airlines flying from Boston to Belfast Intl

Discover the top 2 airlines that operate flights from Boston to Belfast Intl. 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 3,117,830 searches. Data last updated June 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$518Average$685FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$601Average$759FlexibilityNo cancel feeOn-time70%
San Francisco to Cancún flights
Dallas to Paris flights
Newark Airport to Boston flights
Honolulu to Las Vegas flights
Cleveland to Tampa flights
Los Angeles to Salt Lake City flights
Newark Airport to Dallas flights
Dallas to Toronto flights
New York to Chicago flights
New York to Amsterdam flights
Minneapolis to Phoenix flights
Boston to Bulgaria flights

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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines