Flights to Southwest Illinois from San Francisco - ￥13,230

View ￥13,230 flight on Thu, Aug 21, 2025Opens in a new window

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Cheap Flights from San Francisco to Southwest Illinois (SJC-STL)

Prices were available within the past 7 days and start at ￥13,230 for one-way flights and ￥26,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 9 - Thu, Aug 14
SFO
San Francisco
STL
St. Louis
￥26,500 Roundtrip, found 5 days ago
￥26,500
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Aug 9 from San Francisco to St. Louis, returning Thu, Aug 14, priced at ￥26,500 found 5 days ago
Delta
Sat, Aug 9 - Thu, Aug 14
SFO
San Francisco
STL
St. Louis
￥37,680 Roundtrip, found 5 days ago
￥37,680
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Aug 9 from San Francisco to St. Louis, returning Thu, Aug 14, priced at ￥37,680 found 5 days ago
Delta
Sat, Aug 9 - Thu, Aug 14
SFO
San Francisco
STL
St. Louis
￥37,790 Roundtrip, found 5 days ago
￥37,790
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Aug 9 from San Francisco to St. Louis, returning Thu, Aug 14, priced at ￥37,790 found 5 days ago
American Airlines
Mon, Aug 18 - Mon, Aug 25
SFO
San Francisco
STL
St. Louis
￥43,910 Roundtrip, found 2 days ago
￥43,910
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 18 from San Francisco to St. Louis, returning Mon, Aug 25, priced at ￥43,910 found 2 days ago
American Airlines
Sat, Aug 9 - Thu, Aug 14
SFO
San Francisco
STL
St. Louis
￥46,170 Roundtrip, found 5 days ago
￥46,170
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Aug 9 from San Francisco to St. Louis, returning Thu, Aug 14, priced at ￥46,170 found 5 days ago
United
Mon, Aug 18 - Mon, Aug 25
SFO
San Francisco
STL
St. Louis
￥55,060 Roundtrip, found 2 days ago
￥55,060
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 18 from San Francisco to St. Louis, returning Mon, Aug 25, priced at ￥55,060 found 2 days ago
*Available to Expedia members.