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Crestline

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Crestline Flights as Low as $56

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Tue, Jun 9 - Wed, Jun 24
LAS
Harry Reid Intl.
ONT
Los Angeles - Ontario Intl.
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jun 9 from Harry Reid Intl. to Los Angeles - Ontario Intl., returning Wed, Jun 24, priced at $56 just found
Frontier Airlines
Tue, May 26 - Wed, Jun 10
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$56 Roundtrip, found 6 hours ago
$56
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Tue, May 26 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Wed, Jun 10, priced at $56 found 6 hours ago
Frontier Airlines
Mon, May 4 - Mon, May 18
IAH
George Bush Intercontinental
ONT
Los Angeles - Ontario Intl.
$98 Roundtrip, found 19 hours ago
$98
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Mon, May 4 from George Bush Intercontinental to Los Angeles - Ontario Intl., returning Mon, May 18, priced at $98 found 19 hours ago
Frontier Airlines
Fri, May 22 - Tue, Jun 9
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, May 22 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 9, priced at $108 found 1 hour ago
Frontier Airlines
Tue, May 5 - Wed, May 6
DFW
Dallas-Fort Worth Intl.
ONT
Los Angeles - Ontario Intl.
$110 Roundtrip, found 3 hours ago
$110
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 5 from Dallas-Fort Worth Intl. to Los Angeles - Ontario Intl., returning Wed, May 6, priced at $110 found 3 hours ago
United
Tue, May 26 - Wed, Jun 10
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$119 Roundtrip, found 6 hours ago
$119
Roundtrip
found 6 hours ago
Select United flight, departing Tue, May 26 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Wed, Jun 10, priced at $119 found 6 hours ago
Frontier Airlines
Wed, May 6 - Sat, May 16
MCO
Orlando Intl.
ONT
Los Angeles - Ontario Intl.
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 6 from Orlando Intl. to Los Angeles - Ontario Intl., returning Sat, May 16, priced at $160 found 2 days ago
Delta
Wed, Jun 3 - Mon, Jun 8
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$177 Roundtrip, found 15 hours ago
$177
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Jun 3 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Mon, Jun 8, priced at $177 found 15 hours ago
Alaska Airlines
Wed, Apr 29 - Wed, May 13
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Wed, May 13, priced at $177 found 2 hours ago
American Airlines
Wed, May 27 - Tue, Jun 2
LAS
Harry Reid Intl.
ONT
Los Angeles - Ontario Intl.
$227 Roundtrip, found 13 hours ago
$227
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, May 27 from Harry Reid Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 2, priced at $227 found 13 hours ago
Delta
Wed, Aug 12 - Mon, Aug 17
MSO
Missoula Intl.
ONT
Los Angeles - Ontario Intl.
$301 Roundtrip, found 10 hours ago
$301
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Aug 12 from Missoula Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 17, priced at $301 found 10 hours ago
Breeze Airways
Sun, Apr 5 - Sun, Apr 5
SFO
San Francisco Intl.
SBD
San Bernardino Intl.
$301 Roundtrip, found 4 days ago
$301
Roundtrip
found 4 days ago
Select Breeze Airways flight, departing Sun, Apr 5 from San Francisco Intl. to San Bernardino Intl., returning Sun, Apr 5, priced at $301 found 4 days ago
Delta
Sat, May 23 - Sat, Jun 6
ABQ
Albuquerque Intl. Sunport
ONT
Los Angeles - Ontario Intl.
$351 Roundtrip, found 4 hours ago
$351
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, May 23 from Albuquerque Intl. Sunport to Los Angeles - Ontario Intl., returning Sat, Jun 6, priced at $351 found 4 hours ago
Delta
Tue, May 5 - Wed, May 6
DAL
Love Field
ONT
Los Angeles - Ontario Intl.
$406 Roundtrip, found 4 hours ago
$406
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, May 5 from Love Field to Los Angeles - Ontario Intl., returning Wed, May 6, priced at $406 found 4 hours ago
Alaska Airlines
Tue, Jun 30 - Sat, Jul 4
PAE
Seattle Paine Field Intl. Airport
ONT
Los Angeles - Ontario Intl.
$455 Roundtrip, found 1 day ago
$455
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jun 30 from Seattle Paine Field Intl. Airport to Los Angeles - Ontario Intl., returning Sat, Jul 4, priced at $455 found 1 day ago
United
Sun, Apr 19 - Tue, Sep 29
SGN
Tan Son Nhat Intl.
ONT
Los Angeles - Ontario Intl.
$1,144 Roundtrip, found 20 hours ago
$1,144
Roundtrip
found 20 hours ago
Select United flight, departing Sun, Apr 19 from Tan Son Nhat Intl. to Los Angeles - Ontario Intl., returning Tue, Sep 29, priced at $1,144 found 20 hours ago

Cheap Flights to Crestline

Fall in love at first flight with your vacation to Crestline by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Crestline on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Crestline, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Crestline

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Crestline with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the ONT airport.

What is the cheapest month to fly to Crestline?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Crestline are in June, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Crestline?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Crestline.

What airport is best to fly into Crestline?

When you’re planning your trip to Crestline, convenience is the name of the game. Luckily, Crestline San Bernardino Intl. Airport is nearby so you can deplane and get going on checking off everything on your Crestline must-do list.

How much are flights to Crestline?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Crestline on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $56, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Crestline?

The trick to saving a stack of cash on your flight to Crestline? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $56 right now, why wait?

Crestline Flight Information
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Roundtrip price
$56

Last Minute Hotel Deals in Crestline

Sleepy Hollow Cabins and Hotel

Sleepy Hollow Cabins and Hotel

2.5 out of 5
24033 lake drive Crestline CA
Book a stay at this spa hotel in Crestline. Enjoy free parking, an outdoor pool, and a full-service spa. Popular attractions Lake Gregory and Lake Gregory Regional ...
7.4/10 Good! (181 reviews)
H9t tub was broken

Reviewed on Mar 16, 2026

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Sleepy Hollow Cabins and Hotel
The North Shore Inn

The North Shore Inn

3 out of 5
24202 Lake Drive Crestline CA
Book a stay at this beach hotel in Crestline. Enjoy free parking, daily housekeeping, and a garden. Our guests praise the helpful staff in our reviews. Popular ...
9/10 Wonderful! (626 reviews)
Everything was good

Reviewed on Mar 26, 2026

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The North Shore Inn
The Mission Inn Hotel & Spa

The Mission Inn Hotel & Spa

4 out of 5
3649 Mission Inn Ave Riverside CA
Book a stay at this luxury hotel in Riverside. Enjoy a full-service spa, 4 restaurants, and 2 bars/lounges. Our guests praise the pool and the helpful staff ...
8.6/10 Excellent! (2,250 reviews)
Exceptional. All around lovely

Reviewed on Apr 1, 2026

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The Mission Inn Hotel & Spa
Lagonita Lodge

Lagonita Lodge

3 out of 5
183 Lagonita Ln Big Bear Lake CA
Book a stay at this family-friendly aparthotel in Big Bear Lake. Enjoy free WiFi, free parking, and a beach locale. Our guests praise the helpful staff and the ...
9/10 Wonderful! (4,179 reviews)
We stayed one night and overall it was a very nice place to stay. The property is right on the lake so the view was really beautiful and you can walk out onto the docks which is great. The condo isn’t too fancy or anything but it was spacious and clean and had what we wanted. Heads up their check ...

Reviewed on Apr 2, 2026

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Lagonita Lodge
DoubleTree by Hilton Hotel San Bernardino

DoubleTree by Hilton Hotel San Bernardino

4 out of 5
285 E Hospitality Lane San Bernardino CA
Book a stay at this business-friendly hotel in San Bernardino. Enjoy breakfast (surcharge), room service, and a 24-hour fitness center. Our guests praise the ...
8.8/10 Excellent! (2,775 reviews)
Clean and comfortable room.

Reviewed on Apr 2, 2026

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DoubleTree by Hilton Hotel San Bernardino
Lake Arrowhead Resort and Spa

Lake Arrowhead Resort and Spa

3.5 out of 5
27984 Highway 189 Lake Arrowhead CA
Book a stay at this beach hotel in Lake Arrowhead. Enjoy a full-service spa, a private beach, and 2 hot tubs. Our guests praise the restaurant and the helpful ...
8.8/10 Excellent! (1,253 reviews)
Check in was 5 p.m., not 4 p.m., due to computers down. Was given handicap room, but did NOT request. Paid for view, but had to overlook a non functioning jacuzzi with dirty sand bags, construction fence with fake ivy, etc. which blocked much of our view. Property is poorly maintained. Room had dirty ...

Reviewed on Apr 1, 2026

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Lake Arrowhead Resort and Spa
Quality Inn Riverside near UCR and Downtown

Quality Inn Riverside near UCR and Downtown

2.5 out of 5
1590 University Ave Riverside CA
Stay at this hotel in Riverside. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
8/10 Very Good! (1,281 reviews)
Room was not what was booked, and had mold in the shower and on AC. Staff was friendly.

Reviewed on Apr 2, 2026

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Quality Inn Riverside near UCR and Downtown
La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

3 out of 5
3555 Inland Empire Blvd Ontario CA
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.4/10 Very Good! (2,217 reviews)
We were here for health reasons & was pleased with staying at a clean well kept hotel!!

Reviewed on Mar 31, 2026

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La Quinta Inn & Suites by Wyndham Ontario Airport
See all 2,968 properties in Crestline
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.