Route guide

San Salvador to Boston (SAL-BOS): Nonstop Upgrade & Award Space

Avianca flies the SAL 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 SAL 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
2,270 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every SAL 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 San Salvador 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 SAL 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 SAL to BOS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying San Salvador to Boston nonstop

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

  • Avianca
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Frequently asked questions about SAL to BOS

How far is Boston from San Salvador?
SAL to BOS covers about 2,270 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SAL to BOS?
Avianca is currently the only airline flying SAL to BOS nonstop. 2LNR tracks confirmed upgrade and award space on every Avianca departure.
How many flights a week are there from SAL to BOS?
About 7 nonstop flights a week run between San Salvador and Boston in the current schedule, operated by Avianca. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on SAL to BOS?
Open the SAL to BOS calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the San Salvador to Boston route, and 2LNR will notify you when space opens. It's free to start.

Never miss SAL to BOS upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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