BOS - BFS

$307 Find Cheap Flights from Boston to Belfast - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest one-way
$235
Typical prices: $326-$326
Multiple Airlines
Thu 10/18
BOS - BFS • 2 stops
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Boston to Belfast Intl (BOS-BFS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Belfast Intl

Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
7:50 pm - 4:15 pmBOS  Boston Logan Intl-BFS Belfast Intl
15h 25m3 stops Reykjavik Keflavik Intl Dublin Manchester
Multiple Airlines Logo
9:10 pm - 7:55 pmBFS  Belfast Intl-BOS Boston Logan Intl
27h 45m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$777Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
5:15 pm - 5:00 pmBOS  Boston Logan Intl-BFS Belfast Intl
18h 45m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
6:05 am - 7:55 pmBFS  Belfast Intl-BOS Boston Logan Intl
18h 50m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado
$797Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
8:50 pm - 10:20 pmBOS  Boston Logan Intl-BFS Belfast Intl
21h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
8:15 am - 5:50 pmBFS  Belfast Intl-BOS Boston Logan Intl
14h 35m2 stops Glasgow Intl Reykjavik Keflavik Intl
$801Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
5:15 pm - 7:00 pmBOS  Boston Logan Intl-BFS Belfast Intl
20h 45m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
10:05 pm - 1:55 pmBFS  Belfast Intl-BOS Boston Logan Intl
20h 50m2 stops Manchester Dublin
$804Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
9:20 pm - 5:45 pmBOS  Boston Logan Intl-BFS Belfast Intl
15h 25m2 stops Dublin Leeds/Bradford
Multiple Airlines Logo
9:10 pm - 7:55 pmBFS  Belfast Intl-BOS Boston Logan Intl
27h 45m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$824Multiple Airlines
Mon, Oct 26 - Mon, Nov 2
Multiple Airlines Logo
6:15 pm - 2:20 pmBOS  Boston Logan Intl-BFS Belfast Intl
16h 05m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
9:35 am - 7:05 pmBFS  Belfast Intl-BOS Boston Logan Intl
14h 30m2 stops Edinburgh Turnhouse Dublin
$825Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
5:25 pm - 6:55 pmBOS  Boston Logan Intl-BFS Belfast Intl
20h 30m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
10:30 am - 8:20 pmBFS  Belfast Intl-BOS Boston Logan Intl
14h 50m1 stop Porto
$833Multiple Airlines
Thu, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
6:15 pm - 4:20 pmBOS  Boston Logan Intl-BFS Belfast Intl
18h 05m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
6:30 am - 5:50 pmBFS  Belfast Intl-BOS Boston Logan Intl
16h 20m2 stops London Gatwick Reykjavik Keflavik Intl
$840Multiple Airlines
Fri, Oct 16 - Thu, Oct 22
Multiple Airlines Logo
11:00 pm - 9:15 pmBOS  Boston Logan Intl-BFS Belfast Intl
17h 15m3 stops Reykjavik Keflavik Intl Dublin Manchester
Multiple Airlines Logo
6:40 am - 9:26 pmBFS  Belfast Intl-BOS Boston Logan Intl
19h 46m3 stops Edinburgh Turnhouse Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$849Multiple Airlines
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
8:50 pm - 9:25 pmBOS  Boston Logan Intl-BFS Belfast Intl
20h 35m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
8:55 pm - 8:20 pmBFS  Belfast Intl-BOS Boston Logan Intl
28h 25m2 stops London Gatwick Zurich
$851Multiple Airlines
Useful Info

Key details for Boston to Belfast Intl Airport flights

Cheapest flight

$235
Flight from Boston to Belfast Intl Airport

When to book flights from Boston to Belfast Intl

Are your dates flexible? Find out the best times to travel from Boston to Belfast Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Belfast Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boston to Belfast Intl Airport?

    Flights from Boston to Belfast Intl Airport usually depart from Boston Logan Intl (BOS) and arrive at Belfast Intl (BFS).

  • What popular places can I visit in Belfast Intl Airport?

    Some of the most popular sights in Belfast Intl Airport are Cathedral Quarter, Queen's Quarter and Queen's University of Belfast. These are among the most viewed places in Belfast Intl Airport on KAYAK.

  • Do I need a passport to fly from Boston to Belfast Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Boston to Belfast Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $777 to $1,517. That means the highest observed fare was about 95% higher than the lowest one.

  • How are flight prices from Boston to Belfast Intl Airport looking right now?

    One-way fares from Boston to Belfast Intl Airport are currently lower than usual. Average one-way flight prices are about $303, which is 8% below the typical average for this route.

  • What is the time difference between Boston and Belfast Intl Airport?

    Belfast Intl Airport is 5 hours ahead of Boston (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Belfast Intl Airport (BFS)?

    Belfast Intl Airport (BFS) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
    • Budget
    • DRIVALIA
    • Sixt
    • Alamo
    • Hertz

More options for your flight from Boston to Belfast Intl

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