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Crestline

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Crestline Flights as Low as $66

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

Frontier Airlines
Wed, Sep 23 - Tue, Oct 13
DEN
Denver Intl.
ONT
Ontario Intl. Airport
$66 Roundtrip, found 10 hours ago
$66
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, Sep 23 from Denver Intl. to Ontario Intl. Airport, returning Tue, Oct 13, priced at $66 found 10 hours ago
Frontier Airlines
Tue, Jul 7 - Tue, Jul 21
SFO
San Francisco Intl.
ONT
Ontario Intl. Airport
$68 Roundtrip, found 2 hours ago
$68
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Jul 7 from San Francisco Intl. to Ontario Intl. Airport, returning Tue, Jul 21, priced at $68 found 2 hours ago
United
Tue, Jul 28 - Tue, Aug 11
SFO
San Francisco Intl.
ONT
Ontario Intl. Airport
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from San Francisco Intl. to Ontario Intl. Airport, returning Tue, Aug 11, priced at $137 found 2 days ago
Delta
Wed, Sep 23 - Tue, Oct 13
DEN
Denver Intl.
ONT
Ontario Intl. Airport
$197 Roundtrip, found 10 hours ago
$197
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Sep 23 from Denver Intl. to Ontario Intl. Airport, returning Tue, Oct 13, priced at $197 found 10 hours ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DFW
Dallas-Fort Worth Intl.
ONT
Ontario Intl. Airport
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Dallas-Fort Worth Intl. to Ontario Intl. Airport, returning Wed, Sep 16, priced at $214 found 1 day ago
Frontier Airlines
Tue, Jul 14 - Tue, Jul 21
IAH
George Bush Intercontinental
ONT
Ontario Intl. Airport
$223 Roundtrip, found 1 hour ago
$223
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Jul 14 from George Bush Intercontinental to Ontario Intl. Airport, returning Tue, Jul 21, priced at $223 found 1 hour ago
Frontier Airlines
Sat, Jul 4 - Fri, Jul 10
PHL
Philadelphia Intl.
ONT
Ontario Intl. Airport
$240 Roundtrip, found 7 hours ago
$240
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Jul 4 from Philadelphia Intl. to Ontario Intl. Airport, returning Fri, Jul 10, priced at $240 found 7 hours ago
American Airlines
Tue, Jul 7 - Tue, Jul 21
SFO
San Francisco Intl.
ONT
Ontario Intl. Airport
$242 Roundtrip, found 2 hours ago
$242
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Jul 7 from San Francisco Intl. to Ontario Intl. Airport, returning Tue, Jul 21, priced at $242 found 2 hours ago
American Airlines
Wed, Aug 19 - Mon, Aug 31
JFK
John F. Kennedy Intl.
ONT
Ontario Intl. Airport
$257 Roundtrip, found 7 hours ago
$257
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Aug 19 from John F. Kennedy Intl. to Ontario Intl. Airport, returning Mon, Aug 31, priced at $257 found 7 hours ago
Bargain Flight
Wed, Aug 12 - Tue, Aug 25
IND
Indianapolis Intl.
ONT
Ontario Intl. Airport
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Aug 12 from Indianapolis Intl. to Ontario Intl. Airport, returning Tue, Aug 25, priced at $278 found 1 day ago
Frontier Airlines
Wed, Jun 24 - Tue, Jul 7
MCI
Kansas City Intl.
ONT
Ontario Intl. Airport
$280 Roundtrip, found 1 day ago
$280
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jun 24 from Kansas City Intl. to Ontario Intl. Airport, returning Tue, Jul 7, priced at $280 found 1 day ago
Frontier Airlines
Thu, Jul 30 - Tue, Aug 11
LIT
Clinton National Airport
ONT
Ontario Intl. Airport
$289 Roundtrip, found 21 hours ago
$289
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Jul 30 from Clinton National Airport to Ontario Intl. Airport, returning Tue, Aug 11, priced at $289 found 21 hours ago
Alaska Airlines
Tue, Jul 28 - Wed, Aug 12
IAH
George Bush Intercontinental
ONT
Ontario Intl. Airport
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Jul 28 from George Bush Intercontinental to Ontario Intl. Airport, returning Wed, Aug 12, priced at $297 found 2 days ago
Delta
Tue, Sep 8 - Sat, Sep 12
DAL
Love Field
ONT
Ontario Intl. Airport
$303 Roundtrip, found 18 hours ago
$303
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Sep 8 from Love Field to Ontario Intl. Airport, returning Sat, Sep 12, priced at $303 found 18 hours ago
JetBlue Airways
Wed, Aug 19 - Mon, Aug 31
JFK
John F. Kennedy Intl.
ONT
Ontario Intl. Airport
$307 Roundtrip, found 7 hours ago
$307
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Wed, Aug 19 from John F. Kennedy Intl. to Ontario Intl. Airport, returning Mon, Aug 31, priced at $307 found 7 hours ago
American Airlines
Thu, Oct 22 - Sat, Oct 24
HOU
William P. Hobby
ONT
Ontario Intl. Airport
$329 Roundtrip, found 1 day ago
$329
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 22 from William P. Hobby to Ontario Intl. Airport, returning Sat, Oct 24, priced at $329 found 1 day 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 September, 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 15 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 $66, 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 $66 right now, why wait?

Crestline Flight Information
Destination airport
Ontario Intl. Airport
Destination airport IATA code
ONT
Roundtrip price
$66

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! (196 reviews)
"There was 1 plate, 1 pot, 1 pan, 3 forks, 3 spoons, fireplace gas key on floor, good be tripping hazard, floor was dirty, my socks were very dirty. Barbecue was broken, spider website in the window and microwave had no handle, I think it might be leaking radiation."

Reviewed on May 25, 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! (639 reviews)
"Thoroughly enjoyed our stay. Parking was free and directly in front of our room. Staff was wonderful. AC & ceiling fan in working order. Opened the sliding glass door at night to enjoy the night air. We came with our 20 lb dog and had a $25 dog cleaning fee which was reasonable. Would happily stay ..."

Reviewed on May 11, 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! (2,931 reviews)
"Smells from the carpet and not enough towels and other items in the room."

Reviewed on May 25, 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! (2,327 reviews)
"The history and decor are exquisitely beautiful. The restaurants food is delicious. The grounds are colorful, lush and well maintained. The entire property is an experience. Highly recommend The Mission Inn!"

Reviewed on May 25, 2026

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The Mission Inn Hotel & Spa
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! (1,345 reviews)
"The room was clean, bed was okay. The balcony view is misleading for the room we got as it looked into a group of trees. The staff was very friendly. The food was good as well as the drinks at the bar. The hot tub was very nice and hot!! The space down by the lake had chairs to sit in by the water. ..."

Reviewed on May 23, 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! (4,265 reviews)
"My kids loved the indoor pool. Definitely great for families."

Reviewed on May 23, 2026

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Lagonita Lodge
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 ...
8.2/10 Very Good! (2,312 reviews)
"Very nice hotel for a quick stay. Super friendly and helpful staff. Seriously well kept property. The room was large and comfortable with plenty of room and storage. Everything was in it's place and we didn't have to look or call for anything extra. The bed was really comfortable and had to wake ..."

Reviewed on May 25, 2026

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La Quinta Inn & Suites by Wyndham Ontario Airport
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! (1,362 reviews)
"The TV didn't work. No hot water. No one came to fix any of it. Staff refused to provide an alternate room. There was a huge gaping dent in the middle of the bed. It was obvious that the door had previously been kicked open as it was hanging on only the top part of the hinge. The phone charging outlet ..."

Reviewed on May 25, 2026

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Quality Inn Riverside near UCR and Downtown
See all 2,963 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.