￥18,330 Cheap American Airlines flights St. Louis (STL) to San Diego (SAN)

View ￥18,330 flight on Wed, Aug 13, 2025Opens in a new window

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￥18,330 Cheap American Airlines flights St. Louis (STL) to San Diego (SAN)

Prices were available within the past 7 days and start at ￥18,330 for one-way flights and ￥88,370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 3 - Tue, May 6
STL
St. Louis
CLD
Carlsbad
￥88,370 Roundtrip, found 2 days ago
￥88,370
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 3 from St. Louis to Carlsbad, returning Tue, May 6, priced at ￥88,370 found 2 days ago
American Airlines
Sat, May 3 - Tue, May 6
STL
St. Louis
SAN
San Diego
￥89,120 Roundtrip, found 2 days ago
￥89,120
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 3 from St. Louis to San Diego, returning Tue, May 6, priced at ￥89,120 found 2 days ago
American Airlines
Sat, May 3 - Tue, May 6
STL
St. Louis
SAN
San Diego
￥89,870 Roundtrip, found 2 days ago
￥89,870
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 3 from St. Louis to San Diego, returning Tue, May 6, priced at ￥89,870 found 2 days ago
American Airlines
Sat, May 3 - Tue, May 6
STL
St. Louis
SAN
San Diego
￥91,160 Roundtrip, found 2 days ago
￥91,160
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 3 from St. Louis to San Diego, returning Tue, May 6, priced at ￥91,160 found 2 days ago
American Airlines
Sat, May 3 - Tue, May 6
STL
St. Louis
SAN
San Diego
￥91,910 Roundtrip, found 2 days ago
￥91,910
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 3 from St. Louis to San Diego, returning Tue, May 6, priced at ￥91,910 found 2 days ago
American Airlines
Sat, May 3 - Tue, May 6
STL
St. Louis
CLD
Carlsbad
￥98,900 Roundtrip, found 2 days ago
￥98,900
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 3 from St. Louis to Carlsbad, returning Tue, May 6, priced at ￥98,900 found 2 days ago

Frequently asked questions

❓ How much is a flight ticket from St. Louis (STL) -San Diego (SAN) with American Airlines?

✔️ Prices were available within the past 7 days and starts at ￥18,330 for one-way flights and ￥88,370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.


❓Which month is the cheapest flight ticket for St. Louis (STL) to San Diego (SAN) with American Airlines?

✔️ Air fares published on Expedia.co.jp over the past 7 days with lowest price for one-way departures in August and round-trip departures in May.

*Available to Expedia members.