Houston (IAH) to Managua (MGA): 1,366 miles (2,198 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $559 round-trip on Frontier, with 1 stop, departing May 15, 2026.
$559 round-trip, Frontier F91462, departing 2026-05-15 at 21:17, returning 2026-05-22. The recorded itinerary left on a Friday, returning on a Friday 7 nights later; the fare was observed 20 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $559, it ranked 21st of the 30 round-trip fares we recorded from IAH (median $247). That is 40.9 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: Los Angeles (1,376 mi) at $145 and New York (1,415 mi) at $143.
Frontier had the cheapest fare on 12 of 30 IAH routes. It is the 13th longest of the 30 routes we track from IAH.
Of 4 departure airports with a fare to Managua, Houston (IAH) ranked 3rd at $559. Lowest: $404 from Miami (MIA); highest: $838 from Havana (HAV); 0 nonstop. Cheapest-fare airlines (routes): Avianca (2), American Airlines (1) and Frontier (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/Managua; flight time is our estimate.