$149 Cheap flight deals from Boston (BOS) to Crestline (ONT)
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This Weekend's Flight Deals from Boston 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 $149 One Way, $297 Round Trip from Boston to Crestline
Prices starting at $297 for return flights and $149 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
Glendale Hotel
Jul 15 - Jul 20
Boston (BOS) to Los Angeles (LAX)
Reviewed on May 22, 2026
The LEEF Hotel
Jun 30 - Jul 5
Boston (BOS) to Los Angeles (LAX)
Reviewed on May 18, 2026
The Sofia Hotel
Jul 10 - Jul 14
Boston (BOS) to San Diego (SAN)
San Diego (SAN) to Boston (BOS)
Reviewed on May 19, 2026
More About Flying To Crestline from Boston
Route Information for Flights from Boston to Crestline
Origin Airport IATA Code | BOS |
|---|---|
Destination Airport IATA Code | ONT |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Boston to Crestline
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Your Perfect CrestlineVacation Package
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Low Price Guarantee
With the best deals and easy searching options, Orbitz make it easy and fun to find cheap Boston to Crestline flights, a great hotel, or a full vacation package. With Orbitz’s low price guarantee, you always get great discounts on air ticket prices.
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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.