Salt Lake City (SLC) to Barcelona (BCN): 5,424 miles (8,730 km) great-circle, about 11h 20m nonstop by our estimate. Cheapest fare observed: $1049 round-trip on United Airlines, with 1 stop, departing June 1, 2026.
$1049 round-trip, United Airlines UA2126, departing 2026-06-01 at 00:30, returning 2026-06-08. The recorded itinerary left on a Monday, returning on a Monday 7 nights later; the fare was observed 37 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1049, it ranked 23rd of the 30 round-trip fares we recorded from SLC (median $470). That is 19.3 cents per great-circle mile (round-trip price over one-way distance), below the SLC median of 24.7 cents across 30 round-trip routes.
Routes from SLC of similar length: Munich (5,387 mi) at $1382 and Tokyo (5,473 mi) at $1104.
United Airlines had the cheapest fare on 2 of 30 SLC routes. It is the 5th longest of the 30 routes we track from SLC.
Of 57 departure airports with a fare to Barcelona, Salt Lake City (SLC) ranked 50th at $1049. Lowest: $44 from Milan (MXP); highest: $1401 from Brisbane (BNE); 28 nonstop. Cheapest-fare airlines (routes): Vueling (11), Wizz Air (10), Ryanair (8), Air Canada (4), Air Europa (3) and Wizz Air Malta (3), plus 18 more.
That depends on your passport and trip, so check the official source for Spain: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Denver, Europe/Madrid; flight time is our estimate.