Atlanta to BilbaoUnited States to Spain
€626usually €989
Travel 31 Dec 2026–14 Jan 2027
1 stop · KLM
Atlanta to St. LouisUnited States
€38usually €105−64%
Return, including taxes.
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- Airline
Frontier- Airports
- ATL to STL
- Route
- Nonstop
- Travel dates
- 19 Nov–2 Dec 2026
Two weeks in St. Louis, United States, leaving in mid-November: return flights from Atlanta with Frontier for €38, nonstop. Other dates we checked started at €78.
Before you book: Is this a good flight price? How to know before you book · When to book flights, and when to wait
Cheapest departures in the window
- Thu 05 Nov€78
- Mon 09 Nov€97
- Thu 12 Nov€90
- Mon 16 Nov€220
- Thu 19 Nov€38
- Mon 23 Nov€78
Prices move through the day. Checked 24 Sept 2026, 04:05 UTC.
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