Houston (IAH) to Guatemala City (GUA): 1,107 miles (1,782 km) great-circle, about 2h 45m nonstop by our estimate. Cheapest fare observed: $413 round-trip on Spirit, with 1 stop, departing April 26, 2026.
$413 round-trip, Spirit NK2840, departing 2026-04-26 at 06:00, returning 2026-05-03. The recorded itinerary left on a Sunday, returning on a Sunday 7 nights later; the fare was observed 1 day before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $413, it ranked 18th of the 30 round-trip fares we recorded from IAH (median $247). That is 37.3 cents per great-circle mile (round-trip price over one-way distance), above the IAH median of 17.9 cents across 30 round-trip routes.
Routes from IAH of similar length: San Pedro Sula (1,109 mi) at $431 and Washington (1,189 mi) at $241.
Spirit had the cheapest fare on 8 of 30 IAH routes. It is the 19th longest of the 30 routes we track from IAH.
Of 13 departure airports with a fare to Guatemala City, Houston (IAH) ranked 5th at $413. Lowest: $225 from Cancun (CUN); highest: $796 from Chicago (MDW); 3 nonstop. Cheapest-fare airlines (routes): United Airlines (3), Copa (2), Frontier (2), Alaska Airlines (1), American Airlines (1) and Avianca (1), plus 3 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/Guatemala; flight time is our estimate.