Flights from Ontario

Cheapest flights from Ontario

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 25 - Mon, Oct 27

SNA

John Wayne

LAS

Harry Reid Intl.

$64 Roundtrip, found 6 days ago

$64

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Oct 25 from John Wayne to Harry Reid Intl., returning Mon, Oct 27, priced at $64 found 6 days ago

Sat, Oct 18 - Mon, Oct 20

ONT

Los Angeles - Ontario Intl.

SFO

San Francisco Intl.

$77 Roundtrip, found 1 day ago

$77

Roundtrip

found 1 day ago

Select United flight, departing Sat, Oct 18 from Los Angeles - Ontario Intl. to San Francisco Intl., returning Mon, Oct 20, priced at $77 found 1 day ago

Sun, Oct 5 - Tue, Oct 7

ONT

Los Angeles - Ontario Intl.

LAS

Harry Reid Intl.

$82 Roundtrip, found 1 day ago

$82

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Oct 5 from Los Angeles - Ontario Intl. to Harry Reid Intl., returning Tue, Oct 7, priced at $82 found 1 day ago

Wed, Oct 1 - Tue, Oct 7

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$122 Roundtrip, found 4 days ago

$122

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Oct 1 from Los Angeles - Ontario Intl. to Denver Intl., returning Tue, Oct 7, priced at $122 found 4 days ago

Sat, Oct 18 - Sat, Oct 25

ONT

Los Angeles - Ontario Intl.

DFW

Dallas-Fort Worth Intl.

$123 Roundtrip, found 4 days ago

$123

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Los Angeles - Ontario Intl. to Dallas-Fort Worth Intl., returning Sat, Oct 25, priced at $123 found 4 days ago

Thu, Oct 23 - Thu, Oct 23

ONT

Los Angeles - Ontario Intl.

SLC

Salt Lake City Intl.

$149 Roundtrip, found 5 days ago

$149

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Oct 23 from Los Angeles - Ontario Intl. to Salt Lake City Intl., returning Thu, Oct 23, priced at $149 found 5 days ago

Sat, Oct 4 - Sun, Oct 12

SNA

John Wayne

SEA

Seattle - Tacoma Intl.

$154 Roundtrip, found 6 days ago

$154

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Oct 4 from John Wayne to Seattle - Tacoma Intl., returning Sun, Oct 12, priced at $154 found 6 days ago

Thu, Oct 2 - Thu, Oct 9

ONT

Los Angeles - Ontario Intl.

PAE

Seattle Paine Field Intl. Airport

$162 Roundtrip, found 6 days ago

$162

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Oct 2 from Los Angeles - Ontario Intl. to Seattle Paine Field Intl. Airport, returning Thu, Oct 9, priced at $162 found 6 days ago

Mon, Oct 27 - Thu, Oct 30

ONT

Los Angeles - Ontario Intl.

ORD

O'Hare Intl.

$165 Roundtrip, found 5 days ago

$165

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Los Angeles - Ontario Intl. to O'Hare Intl., returning Thu, Oct 30, priced at $165 found 5 days ago

Thu, Nov 13 - Sun, Nov 16

SNA

John Wayne

SLC

Salt Lake City Intl.

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Nov 13 from John Wayne to Salt Lake City Intl., returning Sun, Nov 16, priced at $170 found 1 day ago

Fri, Nov 14 - Fri, Nov 14

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$178 Roundtrip, found 1 day ago

$178

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Nov 14 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Fri, Nov 14, priced at $178 found 1 day ago

Wed, Oct 22 - Tue, Oct 28

SNA

John Wayne

DFW

Dallas-Fort Worth Intl.

$183 Roundtrip, found 1 day ago

$183

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Oct 22 from John Wayne to Dallas-Fort Worth Intl., returning Tue, Oct 28, priced at $183 found 1 day ago

Thu, Oct 30 - Fri, Nov 7

SNA

John Wayne

ORD

O'Hare Intl.

$211 Roundtrip, found 1 day ago

$211

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Oct 30 from John Wayne to O'Hare Intl., returning Fri, Nov 7, priced at $211 found 1 day ago

Tue, Oct 14 - Mon, Oct 20

LGB

Long Beach Municipal

SLC

Salt Lake City Intl.

$219 Roundtrip, found 5 days ago

$219

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Oct 14 from Long Beach Municipal to Salt Lake City Intl., returning Mon, Oct 20, priced at $219 found 5 days ago

Sat, Oct 18 - Mon, Oct 20

SNA

John Wayne

SFO

San Francisco Intl.

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Oct 18 from John Wayne to San Francisco Intl., returning Mon, Oct 20, priced at $227 found 1 day ago

Fri, Oct 10 - Mon, Oct 20

SNA

John Wayne

JFK

John F. Kennedy Intl.

$230 Roundtrip, found 4 days ago

$230

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 10 from John Wayne to John F. Kennedy Intl., returning Mon, Oct 20, priced at $230 found 4 days ago

Sat, Oct 11 - Tue, Oct 14

SNA

John Wayne

EWR

Newark Liberty Intl. Airport

$249 Roundtrip, found 4 days ago

$249

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Oct 11 from John Wayne to Newark Liberty Intl. Airport, returning Tue, Oct 14, priced at $249 found 4 days ago

Wed, Dec 24 - Mon, Jan 5

SNA

John Wayne

DEN

Denver Intl.

$285 Roundtrip, found 5 days ago

$285

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Dec 24 from John Wayne to Denver Intl., returning Mon, Jan 5, priced at $285 found 5 days ago

Tue, Oct 7 - Sat, Oct 11

SNA

John Wayne

PAE

Seattle Paine Field Intl. Airport

$367 Roundtrip, found 6 days ago

$367

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Tue, Oct 7 from John Wayne to Seattle Paine Field Intl. Airport, returning Sat, Oct 11, priced at $367 found 6 days ago

Sat, Oct 18 - Tue, Oct 21

LGB

Long Beach Municipal

LAS

Harry Reid Intl.

$374 Roundtrip, found 2 days ago

$374

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Oct 18 from Long Beach Municipal to Harry Reid Intl., returning Tue, Oct 21, priced at $374 found 2 days ago