Cheap Flights from Belfast to Boston
No deal from Belfast to Boston has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Belfast to Boston, the lowest round-trip fare we recorded was $699, in October. The typical fare was $793. October was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $834 on Delta and KLM, seen Oct 15. It is an unverified observation and may have changed.
See every deal <a href="/from/belfast">from Belfast</a>, <a href="/to/boston">to Boston</a>, or the return direction <a href="/from/boston/to/belfast">Boston to Belfast</a>.
Latest price we saw: Belfast to Boston
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Belfast (BHD) to Boston (BOS) | $834 | 14.0¢ | Oct 30 – Nov 5 | Delta and KLM | Oct 15 | Check price |
Price history: Belfast to Boston
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $699 | $777 | 4 |
| Sep 2026 | $760 | $760 | 1 |
| Aug 2026 | $765 | $816 | 10 |
| Jul 2026 | $819 | $819 | 1 |
Frequently asked questions
How many flight deals from Belfast to Boston are on Sparkflights right now?
There are 0 verified deals from Belfast to Boston on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Belfast to Boston?
The lowest fare we've recorded from Belfast to Boston is $699, based on 16 price observations over 4 months.
How much does a flight from Belfast to Boston cost?
The typical round-trip fare we observed from Belfast to Boston is $793, against a recorded low of $699. These are observations, not quotes.
When is the cheapest month to fly Belfast to Boston?
October was the cheapest month we observed from Belfast to Boston and July the dearest, over 4 months of data.
What is the current price from Belfast to Boston?
The most recent fare our sweep saw from Belfast to Boston is $834, on Oct 15. It is an unverified observation rather than a verified deal, so check it before booking.