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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
Thu, Jun 4 - Thu, Jun 4
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$56 Roundtrip, found 3 hours ago
$56
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jun 4 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Thu, Jun 4, priced at $56 found 3 hours ago
Frontier Airlines
Tue, Jun 2 - Wed, Jun 3
LAS
Harry Reid Intl.
ONT
Los Angeles - Ontario Intl.
$58 Roundtrip, found 2 hours ago
$58
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Jun 2 from Harry Reid Intl. to Los Angeles - Ontario Intl., returning Wed, Jun 3, priced at $58 found 2 hours ago
Frontier Airlines
Fri, Jun 12 - Tue, Jun 30
LAS
Harry Reid Intl.
ONT
Los Angeles - Ontario Intl.
$64 Roundtrip, found 2 hours ago
$64
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Jun 12 from Harry Reid Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 30, priced at $64 found 2 hours ago
Frontier Airlines
Wed, May 13 - Tue, May 19
DEN
Denver Intl.
ONT
Los Angeles - Ontario Intl.
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 13 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, May 19, priced at $68 just found
Frontier Airlines
Sat, May 30 - Tue, Jun 9
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$90 Roundtrip, found 3 hours ago
$90
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, May 30 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 9, priced at $90 found 3 hours ago
Frontier Airlines
Sat, Jun 6 - Wed, Jun 24
IAH
George Bush Intercontinental
ONT
Los Angeles - Ontario Intl.
$133 Roundtrip, found 2 hours ago
$133
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Jun 6 from George Bush Intercontinental to Los Angeles - Ontario Intl., returning Wed, Jun 24, priced at $133 found 2 hours ago
United
Thu, May 28 - Tue, Jun 9
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$157 Roundtrip, found 4 hours ago
$157
Roundtrip
found 4 hours ago
Select United flight, departing Thu, May 28 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 9, priced at $157 found 4 hours ago
Frontier Airlines
Tue, May 12 - Wed, May 13
DFW
Dallas-Fort Worth Intl.
ONT
Los Angeles - Ontario Intl.
$162 Roundtrip, found 1 day ago
$162
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 12 from Dallas-Fort Worth Intl. to Los Angeles - Ontario Intl., returning Wed, May 13, priced at $162 found 1 day ago
Delta
Mon, May 18 - Tue, May 19
DEN
Denver Intl.
ONT
Los Angeles - Ontario Intl.
$201 Roundtrip, found 11 hours ago
$201
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, May 18 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, May 19, priced at $201 found 11 hours ago
Alaska Airlines
Sat, May 30 - Tue, Jun 9
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$202 Roundtrip, found 3 hours ago
$202
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, May 30 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 9, priced at $202 found 3 hours ago
Frontier Airlines
Tue, May 12 - Sat, May 16
BNA
Nashville Intl.
ONT
Los Angeles - Ontario Intl.
$205 Roundtrip, found 3 hours ago
$205
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 12 from Nashville Intl. to Los Angeles - Ontario Intl., returning Sat, May 16, priced at $205 found 3 hours ago
American Airlines
Tue, Jun 2 - Tue, Jun 9
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$259 Roundtrip, found 14 hours ago
$259
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Jun 2 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 9, priced at $259 found 14 hours ago
Frontier Airlines
Tue, May 12 - Sat, May 23
EWR
Newark Liberty Intl. Airport
ONT
Los Angeles - Ontario Intl.
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 12 from Newark Liberty Intl. Airport to Los Angeles - Ontario Intl., returning Sat, May 23, priced at $291 found 1 day ago
Alaska Airlines
Tue, Jun 2 - Tue, Jun 9
PAE
Seattle Paine Field Intl. Airport
ONT
Los Angeles - Ontario Intl.
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Jun 2 from Seattle Paine Field Intl. Airport to Los Angeles - Ontario Intl., returning Tue, Jun 9, priced at $373 found 2 days ago
Delta
Tue, Jun 9 - Sat, Jun 13
DAL
Love Field
ONT
Los Angeles - Ontario Intl.
$400 Roundtrip, found 6 hours ago
$400
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Jun 9 from Love Field to Los Angeles - Ontario Intl., returning Sat, Jun 13, priced at $400 found 6 hours ago
JetBlue Airways
Fri, May 15 - Sat, May 23
BNA
Nashville Intl.
ONT
Los Angeles - Ontario Intl.
$578 Roundtrip, found 21 hours ago
$578
Roundtrip
found 21 hours ago
Select JetBlue Airways flight, departing Fri, May 15 from Nashville Intl. to Los Angeles - Ontario Intl., returning Sat, May 23, priced at $578 found 21 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! (186 reviews)
It was a nice simple cabin a lil out dated but you get what you pay for could use a remodel and some design but it was nice for the price

Reviewed on Apr 13, 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! (632 reviews)
Rooms where tiny but very clean, staff was great and helpful

Reviewed on Apr 17, 2026

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The North Shore Inn
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! (2,831 reviews)
Everything was great, except for the inconvenience of all the electricity was shut off at 10:40pm - 4:15 am. Due to something with the electric company. Other than that, it was great.

Reviewed on Apr 24, 2026

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DoubleTree by Hilton Hotel San Bernardino
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! (2,284 reviews)
Clean room, old but updated. Clean and well maintained. Its like a museum and a hotel in one. The stuff are so helpful. I luv that their pool and hottub hrs are 630-11 pm. They said the pool is heated but it is not. The bathtub has a rust , i dont know wheather its a design. They provided almost ...

Reviewed on Apr 24, 2026

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The Mission Inn Hotel & Spa
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! (2,258 reviews)
Needs improvements

Reviewed on Apr 25, 2026

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La Quinta Inn & Suites by Wyndham Ontario Airport
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! (1,304 reviews)
This is an outstanding property that is second to none in the area. A few things can be improved and brought up to date room-wise but still a bargain. The problem is ants in the bathroom and closet area. They can't seem to fix this problem and this is my 4th visit. You shouldn't see ants anywhere ...

Reviewed on Apr 24, 2026

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Lake Arrowhead Resort and 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! (4,226 reviews)
Excellent facilities and gorgeous views

Reviewed on Apr 23, 2026

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Lagonita Lodge
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! (1,313 reviews)
Breakfast was good , Rooms clean, Okay area Staff friendly

Reviewed on Apr 24, 2026

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Quality Inn Riverside near UCR and Downtown
See all 2,929 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.