Cheap Flights from Boston to Shannon
No deal from Boston to Shannon has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Boston to Shannon, the lowest round-trip fare we recorded was $462, in September. The typical fare was $666. September was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $894 on Aer Lingus, seen Oct 27. It is an unverified observation and may have changed.
See every deal <a href="/from/boston">from Boston</a>, <a href="/to/shannon">to Shannon</a>, or the return direction <a href="/from/shannon/to/boston">Shannon to Boston</a>.
Latest price we saw: Boston to Shannon
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 |
|---|---|---|---|---|---|---|
| Boston (BOS) to Shannon (SNN) | $894 | 15.5¢ | Jan 24 – Jan 30 | Aer Lingus | Oct 27 | Check price |
Price history: Boston to Shannon
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $583 | $716 | 17 |
| Sep 2026 | $462 | $594 | 17 |
| Aug 2026 | $625 | $686 | 28 |
| Jul 2026 | $669 | $669 | 2 |
Frequently asked questions
How many flight deals from Boston to Shannon are on Sparkflights right now?
There are 0 verified deals from Boston to Shannon on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Boston to Shannon?
The lowest fare we've recorded from Boston to Shannon is $462, based on 64 price observations over 4 months.
How much does a flight from Boston to Shannon cost?
The typical round-trip fare we observed from Boston to Shannon is $666, against a recorded low of $462. These are observations, not quotes.
When is the cheapest month to fly Boston to Shannon?
September was the cheapest month we observed from Boston to Shannon and July the dearest, over 4 months of data.
What is the current price from Boston to Shannon?
The most recent fare our sweep saw from Boston to Shannon is $894, on Oct 27. It is an unverified observation rather than a verified deal, so check it before booking.