Newark (EWR) to San Salvador (SAL): 2,086 miles (3,358 km) great-circle, about 4h 40m nonstop by our estimate. Cheapest fare observed: $419 round-trip on United Airlines, with 1 stop, departing July 1, 2026.
$419 round-trip, United Airlines UA1784, departing 2026-07-01 at 21:50, returning 2026-07-08. The recorded itinerary left on a Wednesday, returning on a Wednesday 7 nights later; the fare was observed 67 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $419, it ranked 17th of the 30 round-trip fares we recorded from EWR (median $329). That is 20.1 cents per great-circle mile (round-trip price over one-way distance), above the EWR median of 16.5 cents across 30 round-trip routes.
Routes from EWR of similar length: Las Vegas (2,222 mi) at $232 and Los Angeles (2,449 mi) at $215.
United Airlines had the cheapest fare on 2 of 30 EWR routes. It is the 18th longest of the 30 routes we track from EWR.
Of 13 departure airports with a fare to San Salvador, Newark (EWR) ranked 8th at $419. 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.