St. Louis to Santiago - Flights Starting at US$125
Book one-way or return flights from St. Louis to Santiago from as little as US$125. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- STL17:157h 44m1 stopSTI01:59Sat, May 11|St. Louis - Santiago|Spirit AirlinesUS$125US$54277% OFF77% OFFUS$542US$125
- STL19:4410h 39m1 stopSTI07:23Sun, May 19|St. Louis - Santiago|Frontier AirlinesUS$202US$54263% OFF63% OFFUS$542US$202
- STL05:199h 51m1 stopSTI16:10Sun, May 19|St. Louis - Santiago|American AirlinesUS$231US$54256% OFF56% OFFUS$542US$231
- STL16:3713h 46m1 stopSTI07:23Sat, May 11|St. Louis - Santiago|Frontier AirlinesUS$233US$233
- STL06:3018h 16m1 stopSTI01:46Sun, May 19|St. Louis - Santiago|United AirlinesUS$285US$285
- STL06:0818h 38m1 stopSTI01:46Tue, Jun 4|St. Louis - Santiago|United AirlinesUS$327US$327
- STL06:058h 7m1 stopSTI15:12Sat, May 11|St. Louis - Santiago|United AirlinesUS$337US$337
- STL06:088h 4m1 stopSTI15:12Fri, May 24|St. Louis - Santiago|United AirlinesUS$378US$378
- STL12:5910h 57m1 stopSTI00:56Sun, May 19|St. Louis - Santiago|Delta Air LinesUS$420US$420
- STL17:5617h 6m1 stopSTI12:02Fri, May 24|St. Louis - Santiago|Delta Air LinesUS$428US$428
- STL13:003h 5mDirectSTI14:00Fri, May 17|St. Louis - Santiago|Spirit AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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View airlines operating flights from St. Louis to Santiago. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from St. Louis to Santiago.
- CheapestSTL17:157h 44m1 transferSTI01:59St. Louis Lambert International Airport - Cibao International AirportSat, May 11Spirit AirlinesUS$125
- STL17:157h 44m1 transferSTI01:59St. Louis Lambert International Airport - Cibao International AirportSat, May 11Spirit AirlinesUS$125Find More Flights
Frequently Asked Questions
How to find a cheap flight from St. Louis to Santiago
Cheapest nonstop flight price | $125 |
---|---|
Off-season for travel | May |
Peak season for travel | February |
Flight distance | 2,848.44km |
Popular airline | American Airlines |
Plan Your Trip Around Santiago
More Travel Options | St. Louis to Santiago
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