New York (JFK) to San Salvador (SAL): 2,094 miles (3,369 km) great-circle, about 4h 40m nonstop by our estimate. Cheapest fare observed: $429 round-trip on Avianca, nonstop, departing May 7, 2026.
$429 round-trip, Avianca AV671, departing 2026-05-07 at 03:35, returning 2026-05-19. The recorded itinerary left on a Thursday, returning on a Tuesday 12 nights later; the fare was observed 12 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $429, it ranked 15th of the 30 round-trip fares we recorded from JFK (median $453). That is 20.5 cents per great-circle mile (round-trip price over one-way distance), above the JFK median of 17.8 cents across 30 round-trip routes.
Routes from JFK of similar length: Las Vegas (2,243 mi) at $240 and Los Angeles (2,469 mi) at $308.
Avianca had the cheapest fare on 2 of 30 JFK routes. It is the 18th longest of the 30 routes we track from JFK.
Of 13 departure airports with a fare to San Salvador, New York (JFK) ranked 9th at $429. Lowest: $241 from Los Angeles (LAX); highest: $603 from Atlanta (ATL); 4 nonstop. Cheapest-fare airlines (routes): United Airlines (7), Avianca (4), American Airlines (1) and Copa (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/El_Salvador; flight time is our estimate.