$76 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 $76 One Way, $164 Round Trip from St. Louis to Crestline
Prices starting at $164 for return flights and $76 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
Hollywood Inn Suites Hotel
Mar 18 - Mar 21
St. Louis (STL) to Los Angeles (LAX)
Los Angeles (LAX) to St. Louis (STL)
Reviewed on Aug 22, 2025
Surf & Sand Laguna Beach
Mar 6 - Mar 13
St. Louis (STL) to Orange County (SNA)
Reviewed on Jul 12, 2025
Waldorf Astoria Monarch Beach Resort & Club
Mar 6 - Mar 13
St. Louis (STL) to Orange County (SNA)
Reviewed on Jun 28, 2024
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
Orbitz guarantees you low prices on flights from St. Louis to Crestline. In addition to low fares on St. Louis to Crestline flights, Orbitz offers fantastic savings on hotels, cruises, vacation packages, and more.
Earn Miles While Saving
Besides helping you fly for the lowest fares, Orbitz lets you earn miles for your frequent flyer program for certain flights from St. Louis to Crestline. If you are a member of the frequent flyer or loyalty program offered by the airline you booked through Orbitz or a partner airline’s, simply add your frequent flyer number to your Orbitz reservation to get credit for your St. Louis to Crestline flights.
Travel Planning Made Easy
We help take some of the anxiety out of your St. Louis to Crestline flights with free flight alerts. We will let you know of flight changes and delays to your flights from St. Louis to Crestline by email, voicemail, or text messages to your mobile phone. Alerts can also be sent to up to six other contacts to keep family and business teams informed.
Use Mobile Apps with Orbitz
Orbitz lets you find the best deals on St. Louis to Crestline flights while on the go, with our easy-to-use Android and iPhone mobile apps. Easily check flight status, gate numbers, and other flight details all in one place with our app—which is great when you are in a hurry. You can use the apps to access great mobile deals on flights and amazing hotel rooms.
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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.