Route guide

Shannon to Boston (SNN-BOS): Nonstop Upgrade & Award Space

Aer Lingus, American Airlines, and Iberia Airlines fly the SNN to BOS nonstop about 7 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every SNN to BOS departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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7
Nonstop flights a week
2,888 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SNN to BOS departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Shannon to Boston to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each SNN to BOS departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SNN to BOS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Shannon to Boston nonstop

Carriers operating SNN to BOS nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Aer Lingus
  • American Airlines
  • Iberia Airlines
See SNN to BOS on the interactive map →

Frequently asked questions about SNN to BOS

How far is Boston from Shannon?
SNN to BOS covers about 2,888 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SNN to BOS?
Aer Lingus, American Airlines, and Iberia Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from SNN to BOS?
About 7 nonstop flights a week run between Shannon and Boston in the current schedule, operated by Aer Lingus, American Airlines, and Iberia Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on SNN to BOS?
Open the SNN to BOS calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Shannon to Boston route, and 2LNR will notify you when space opens. It's free to start.

Never miss SNN to BOS upgrade or award space

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