$96 Cheap flight deals from St. Louis (STL) to Crestline (ONT)
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This Weekend's Flight Deals from St. Louis to Crestline
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $96 One Way, $222 Round Trip from St. Louis to Crestline
Prices starting at $222 for return flights and $96 for one-way flights to Crestline were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Crestline economy flight packages
The LEEF Hotel
Jan 21 - Jan 26
St. Louis (STL) to Los Angeles (LAX)
Reviewed on Nov 10, 2025
Fairmont Grand Del Mar
Jan 5 - Jan 10
St. Louis (STL) to San Diego (SAN)
San Diego (SAN) to St. Louis (STL)
Reviewed on Sep 26, 2024
La Jolla Beach and Tennis Club
Jan 5 - Jan 10
St. Louis (STL) to San Diego (SAN)
San Diego (SAN) to St. Louis (STL)
Reviewed on Mar 8, 2022
Crestline first class flight packages
Pendry Newport Beach
Jan 10 - Jan 16
St. Louis (STL) to Orange County (SNA)
Reviewed on Mar 5, 2024
Surf & Sand Laguna Beach
Jan 10 - Jan 16
St. Louis (STL) to Orange County (SNA)
Reviewed on Jul 12, 2025
Balboa Inn, On the Beach
Jan 10 - Jan 16
St. Louis (STL) to Orange County (SNA)
Reviewed on Jan 21, 2025
More About Flying To Crestline from St. Louis
Route Information for Flights from St. Louis to Crestline
Origin Airport IATA Code | STL |
|---|---|
Destination Airport IATA Code | ONT |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
St. Louis to Crestline
Great Deals on Flights From St. Louis to Crestline
Spend more of your time and money at Crestline instead of sitting at your computer, searching for discount St. Louis to Crestline flights. This is why Orbitz makes it easy for you to check out destinations, plan your trip, and book your air fare, hotel, car rental, and more in just one place. Our low price guarantee means that you get great deals on flights from St. Louis to Crestline.
Flights That Fit Your Budget
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St. Louis Airports
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.