Seattle (SEA) to El Paso (ELP): 1,368 miles (2,201 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $467 round-trip on Frontier, with 2 stops, departing June 21, 2026.
$467 round-trip, Frontier F92408, departing 2026-06-21 at 20:12, returning 2026-07-01. The recorded itinerary left on a Sunday, returning on a Wednesday 10 nights later; the fare was observed 57 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $467, it ranked 15th of the 30 round-trip fares we recorded from SEA (median $591). That is 34.1 cents per great-circle mile (round-trip price over one-way distance), above the SEA median of 19.2 cents across 30 round-trip routes.
Routes from SEA of similar length: Anchorage (1,445 mi) at $715 and Phoenix (1,107 mi) at $279.
Frontier had the cheapest fare on 10 of 30 SEA routes. It is the 23rd longest of the 30 routes we track from SEA.
Of 2 departure airports with a fare to El Paso, Seattle (SEA) ranked 2nd at $467. Lowest: $421 from Houston (IAH); highest: $467 from Seattle (SEA); 0 nonstop. Cheapest-fare airlines (routes): American Airlines (1) and Frontier (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Denver; flight time is our estimate.