AirHint found the following cheapest return flights from Seattle (SEA) to Lima (LIM) in April 2026 (see full year).
Return flights
| 20 Apr - 25 Apr | Frontier Airlines | ||
| 25 Apr - 10 May | Volaris | ||
| 16 Apr - 27 Apr | Frontier Airlines | ||
| 26 Apr - 29 Apr | Frontier Airlines | ||
| 21 Apr - 30 Apr | Volaris | ||
| 18 Apr - 25 Apr | United |
Also check the deals for one-way flights from Seattle to Lima in April.
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