Flights to Ontario/LA, CA

Promo Code

Traveling to Ontario/LA, CA

The Gateway to Southern California

Just east of Los Angeles, head to Ontario to experience a little bit of that hustle and bustle of LA with a laid-back vibe. With a vibrant music scene, a huge art scene and a wide variety of foreign restaurants, Ontario is a great place to visit.

Where Locals Go
Cucamonga-Guasti Regional Park
Planes of Fame Air Museum
Market Broiler
Vince's Spaghetti

Best Deals on Flights to Ontario/LA, CA

$

Denver, CO (DEN)To

Ontario/LA, CA (ONT)
Departing Dec 8, 2026
From
$19
Last seen: 13 hours ago
One-way
Discount Den Basic Fare

San Francisco, CA (SFO)To

Ontario/LA, CA (ONT)
Departing Dec 12, 2026
From
$19
Last seen: 16 hours ago
One-way
Discount Den Basic Fare

Dallas, TX (DFW)To

Ontario/LA, CA (ONT)
Departing Dec 1, 2026
From
$52
Last seen: 12 hours ago
One-way
Discount Den Basic Fare

Las Vegas, NV (LAS)To

Ontario/LA, CA (ONT)
Departing Nov 21, 2026
From
$19
Last seen: 5 hours ago
One-way
Discount Den Basic Fare

Houston, TX (IAH)To

Ontario/LA, CA (ONT)
Departing Dec 22, 2026
From
$54
Last seen: 14 hours ago
One-way
Discount Den Basic Fare

Atlanta, GA (ATL)To

Ontario/LA, CA (ONT)
Departing Dec 9, 2026
From
$67
Last seen: 14 hours ago
One-way
Discount Den Basic Fare

Detroit, MI (DTW)To

Ontario/LA, CA (ONT)
Departing Nov 26, 2026
From
$72
Last seen: 13 hours ago
One-way
Discount Den Basic Fare

Chicago, IL (ORD)To

Ontario/LA, CA (ONT)
Departing Nov 17, 2026
From
$78
Last seen: 16 hours ago
One-way
Discount Den Basic Fare

Oklahoma City, OK (OKC)To

Ontario/LA, CA (ONT)
Departing Dec 9, 2026
From
$56
Last seen: 14 hours ago
One-way
Discount Den Basic Fare

Orlando, FL (MCO)To

Ontario/LA, CA (ONT)
Departing Nov 18, 2026
From
$70
Last seen: 4 hours ago
One-way
Discount Den Basic Fare

Washington, D.C. (DCA)To

Ontario/LA, CA (ONT)
Departing Nov 17, 2026
From
$156
Last seen: 4 hours ago
One-way
Discount Den Basic Fare

Sacramento, CA (SMF)To

Ontario/LA, CA (ONT)
Departing Dec 29, 2026
From
$63
Last seen: 12 hours ago
One-way
Discount Den Basic Fare

Indianapolis, IN (IND)To

Ontario/LA, CA (ONT)
Departing Dec 8, 2026
From
$59
Last seen: 9 hours ago
One-way
Discount Den Basic Fare

Minneapolis/St. Paul, MN (MSP)To

Ontario/LA, CA (ONT)
Departing Dec 2, 2026
From
$61
Last seen: 14 hours ago
One-way
Discount Den Basic Fare

Phoenix, AZ (PHX)To

Ontario/LA, CA (ONT)
Departing Jan 6, 2027
From
$56
Last seen: 17 hours ago
One-way
Discount Den Basic Fare

Oakland, CA (OAK)To

Ontario/LA, CA (ONT)
Departing Nov 26, 2026
From
$23
Last seen: 11 hours ago
One-way
Discount Den Basic Fare

Cleveland, OH (CLE)To

Ontario/LA, CA (ONT)
Departing Dec 29, 2026
From
$207
Last seen: 15 hours ago
One-way
Discount Den Basic Fare

Nashville, TN (BNA)To

Ontario/LA, CA (ONT)
Departing Feb 25, 2027
From
$78
Last seen: 2 hours ago
One-way
Discount Den Basic Fare

Baltimore, MD (BWI)To

Ontario/LA, CA (ONT)
Departing Nov 17, 2026
From
$126
Last seen: 4 hours ago
One-way
Discount Den Basic Fare

Austin, TX (AUS)To

Ontario/LA, CA (ONT)
Departing Dec 21, 2026
From
$86
Last seen: 12 hours ago
One-way
Discount Den Basic Fare
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

Best Flight Deals to Ontario/LA, CA with Frontier

$
Best Flight Deals to Ontario/LA, CA with Frontier
From
To
Denver, CO (DEN)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 8, 2026

From

$19

Last seen: 13 hours ago

San Francisco, CA (SFO)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 12, 2026

From

$19

Last seen: 16 hours ago

Dallas, TX (DFW)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 1, 2026

From

$52

Last seen: 12 hours ago

Las Vegas, NV (LAS)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 1, 2026

From

$19

Last seen: 14 hours ago

Houston, TX (IAH)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 22, 2026

From

$54

Last seen: 14 hours ago

Atlanta, GA (ATL)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 9, 2026

From

$67

Last seen: 14 hours ago

Detroit, MI (DTW)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 23, 2026

From

$126

Last seen: 4 hours ago

Chicago, IL (ORD)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 20, 2026

From

$154

Last seen: 14 hours ago

Oklahoma City, OK (OKC)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 9, 2026

From

$56

Last seen: 14 hours ago

Orlando, FL (MCO)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 3, 2026

From

$74

Last seen: 2 hours ago

Sacramento, CA (SMF)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 29, 2026

From

$63

Last seen: 12 hours ago

Indianapolis, IN (IND)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 8, 2026

From

$59

Last seen: 9 hours ago

Minneapolis/St. Paul, MN (MSP)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 2, 2026

From

$61

Last seen: 14 hours ago

Phoenix, AZ (PHX)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Jan 6, 2027

From

$56

Last seen: 17 hours ago

Oakland, CA (OAK)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 2, 2026

From

$56

Last seen: 14 hours ago

Cleveland, OH (CLE)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 29, 2026

From

$207

Last seen: 15 hours ago

Nashville, TN (BNA)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Feb 25, 2027

From

$78

Last seen: 2 hours ago

Baltimore, MD (BWI)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Nov 29, 2026

From

$496

Last seen: 2 hours ago

Austin, TX (AUS)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Dec 21, 2026

From

$86

Last seen: 12 hours ago

Charlotte, NC (CLT)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Jan 11, 2027

From

$171

Last seen: 17 hours ago

*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

Similar Flights Traveling to Ontario/LA, CA

Barclays Badge

Earn up to 60,000 Miles after qualifying activity. Terms apply.