← Seattle to Buenos Aires: all datesSee all →
Round trip
Seattle to Buenos Aires 🇦🇷
$1,549
- Departs
- Wed, Nov 4
- Return
- Thu, Nov 19
- Stops
- 3 stops
- Airline
- Frontier Airlines
- Duration
- 17h 23m
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Work-hours calculator
This flight to Buenos Aires costs you 103h 16m of work.
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Prices come from fares travellers found in the last few days and can change at any time. Last updated Fri, 23 Oct 2026 06:59:53 GMT.
