Boston (BOS) → Belfast (BFS)
About Boston to Belfast Flights
Discover the best flights from Boston to Belfast, covering 4,778 km in approximately 6h 28m. Boston (BOS) to Belfast (BFS) is one of the popular medium-haul routes connecting United States and United Kingdom. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Boston to Belfast.
12-Month Price History
Flight prices from Boston to Belfast vary significantly throughout the year. February typically offers the best deals with average prices around $920, while July sees the highest prices, averaging $1530. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
153 days
For best prices
Booking Tips
For the best prices on Boston to Belfast flights, we recommend booking 151 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
American Airlines AA | $1350 | $5070 | $7120 |
United Airlines UA | $1410 | $5880 | $7420 |
JetBlue Airways B6 | $1450 | $3260 | - |
Air France AF | $1520 | $6230 | $7910 |
British Airways BA | $1550 | $6070 | $8020 |
Lufthansa LH | $1590 | $6200 | $9270 |
Delta Air Lines DL | $1640 | $6100 | $8470 |
American Airlines
AA
Economy
$1350
Business
$5070
First
$7120
United Airlines
UA
Economy
$1410
Business
$5880
First
$7420
JetBlue Airways
B6
Economy
$1450
Business
$3260
First
-
Air France
AF
Economy
$1520
Business
$6230
First
$7910
British Airways
BA
Economy
$1550
Business
$6070
First
$8020
Lufthansa
LH
Economy
$1590
Business
$6200
First
$9270
Delta Air Lines
DL
Economy
$1640
Business
$6100
First
$8470
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Hartford → Belfast
Bradley International (BDL) to Belfast International (BFS)
Distance: 4,914 km
Average price: $1088
Portland → Belfast
Portland International Jetport (PWM) to Belfast International (BFS)
Distance: 4,644 km
Average price: $1036
Boston → Dublin
Logan International (BOS) to Dublin (DUB)
Distance: 4,804 km
Average price: $1067
Boston → Glasgow
Logan International (BOS) to Glasgow International (GLA)
Distance: 4,863 km
Average price: $1078
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Frequently Asked Questions
How long is the flight from Boston to Belfast?
The flight time from Boston (BOS) to Belfast (BFS) is approximately 6 hours and 28 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Boston and Belfast?
The aerial distance between Boston and Belfast is 4,778 kilometers (2,969 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Boston to Belfast?
Several airlines operate flights between Boston and Belfast, including Delta Air Lines, JetBlue Airways, American Airlines and 4 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Boston to Belfast?
Based on historical data, February typically offers the lowest airfares for flights from Boston to Belfast. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Belfast?
For the best prices on Boston to Belfast flights, we recommend booking 161 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Boston to Belfast?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to United Kingdom should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Boston and Belfast?
Boston operates on America/New_York time zone, while Belfast is in the Europe/London time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.