Flights to Ontario (ONT)

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When to Travel
To Ontario, CA (ONT) from
Albuquerque, NM (ABQ)
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$286RT
Albuquerque, NM (ABQ)toOntario, CA (ONT)
Best Times to Go
Delta
$356RT
Weekend Deal
Albuquerque, NM (ABQ)toOntario, CA (ONT)
Fri, Apr 18 - Sun, Apr 20
Delta
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To Ontario, CA (ONT) from
Anchorage, AK (ANC)
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$399RT
Weekend Deal
Anchorage, AK (ANC)toOntario, CA (ONT)
Fri, May 30 - Mon, Jun 2
Delta
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To Ontario, CA (ONT) from
Asheville, NC (AVL)
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$388RT
Asheville, NC (AVL)toOntario, CA (ONT)
Sat, May 24 - Sun, Jun 1
Delta
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To Ontario, CA (ONT) from
Atlanta, GA (ATL)
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$248RT
Atlanta, GA (ATL)toOntario, CA (ONT)
Best Times to Go
Frontier
$308RT
Midweek Fare
Atlanta, GA (ATL)toOntario, CA (ONT)
Wed, Jun 4 - Wed, Jun 11
Frontier
$342RT
Atlanta, GA (ATL)toOntario, CA (ONT)
Wed, Aug 13 - Mon, Aug 18
Alaska
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To Ontario, CA (ONT) from
Augusta, GA (AGS)
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$1,064RT
Midweek Fare
Augusta, GA (AGS)toOntario, CA (ONT)
Wed, Apr 30 - Wed, May 7
American
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To Ontario, CA (ONT) from
Austin, TX (AUS)
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$208RT
Austin, TX (AUS)toOntario, CA (ONT)
Best Times to Go
Frontier
$226RT
Austin, TX (AUS)toOntario, CA (ONT)
Sat, May 3 - Tue, May 6
Delta
$261RT
Midweek Fare
Austin, TX (AUS)toOntario, CA (ONT)
Tue, Jun 10 - Tue, Jun 17
Delta
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To Ontario, CA (ONT) from
Baltimore, MD (BWI)
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$368RT
Baltimore, MD (BWI)toOntario, CA (ONT)
Best Times to Go
Alaska
$408RT
Midweek Fare
Baltimore, MD (BWI)toOntario, CA (ONT)
Tue, Jun 3 - Tue, Jun 10
Alaska
$408RT
Weekend Deal
Baltimore, MD (BWI)toOntario, CA (ONT)
Thu, Aug 21 - Mon, Aug 25
Delta
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To Ontario, CA (ONT) from
Baton Rouge, LA (BTR)
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$1,078RT
Midweek Fare
Baton Rouge, LA (BTR)toOntario, CA (ONT)
Wed, Apr 30 - Wed, May 7
American
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To Ontario, CA (ONT) from
Bellingham, WA (BLI)
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$287RT
Bellingham, WA (BLI)toOntario, CA (ONT)
Sat, May 31 - Tue, Jun 3
Alaska
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To Ontario, CA (ONT) from
Billings, MT (BIL)
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$380RT
Billings, MT (BIL)toOntario, CA (ONT)
Mon, Jun 16 - Fri, Jun 20
Delta
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To Ontario, CA (ONT) from
Birmingham, AL (BHM)
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$686RT
Weekend Deal
Birmingham, AL (BHM)toOntario, CA (ONT)
Thu, Jul 17 - Sun, Jul 20
United
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To Ontario, CA (ONT) from
Boise, ID (BOI)
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$249RT
Boise, ID (BOI)toOntario, CA (ONT)
Wed, May 7 - Sat, May 10
Alaska
$249RT
Boise, ID (BOI)toOntario, CA (ONT)
Wed, May 21 - Sun, May 25
Delta
$260RT
Weekend Deal
Boise, ID (BOI)toOntario, CA (ONT)
Fri, May 2 - Mon, May 5
Delta
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To Ontario, CA (ONT) from
Boston, MA (BOS)
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$270RT
Boston, MA (BOS)toOntario, CA (ONT)
Best Times to Go
JetBlue
$339RT
Boston, MA (BOS)toOntario, CA (ONT)
Fri, Jun 6 - Fri, Jun 13
JetBlue
$433RT
Midweek Fare
Boston, MA (BOS)toOntario, CA (ONT)
Tue, Jul 15 - Tue, Jul 22
American
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To Ontario, CA (ONT) from
Bozeman, MT (BZN)
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$317RT
Bozeman, MT (BZN)toOntario, CA (ONT)
Fri, Apr 18 - Wed, Apr 23
Delta
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To Ontario, CA (ONT) from
Buffalo, NY (BUF)
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$270RT
Buffalo, NY (BUF)toOntario, CA (ONT)
Mon, May 5 - Mon, May 12
JetBlue
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To Ontario, CA (ONT) from
Cedar Rapids, IA (CID)
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$318RT
Cedar Rapids, IA (CID)toOntario, CA (ONT)
Sat, May 24 - Sat, May 31
United
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To Ontario, CA (ONT) from
Charleston, SC (CHS)
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$323RT
Charleston, SC (CHS)toOntario, CA (ONT)
Sat, May 3 - Sat, May 10
Delta
See more deals from Charleston, SC (CHS)
To Ontario, CA (ONT) from
Charlotte, NC (CLT)
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$342RT
Midweek Fare
Charlotte, NC (CLT)toOntario, CA (ONT)
Best Times to Go
Delta
$497RT
Nonstop|Weekend Deal
Charlotte, NC (CLT)toOntario, CA (ONT)
Best Times to Go
American
$537RT
Nonstop|Weekend Deal
Charlotte, NC (CLT)toOntario, CA (ONT)
Thu, Jun 19 - Sun, Jun 22
American
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To Ontario, CA (ONT) from
Chattanooga, TN (CHA)
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$403RT
Midweek Fare
Chattanooga, TN (CHA)toOntario, CA (ONT)
Wed, Apr 30 - Wed, May 7
American
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To Ontario, CA (ONT) from
Chicago, IL (MDW)
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$276RT
Chicago, IL (MDW)toOntario, CA (ONT)
Best Times to Go
Delta
$368RT
Chicago, IL (MDW)toOntario, CA (ONT)
Mon, Jun 2 - Mon, Jun 9
Frontier
$538RT
Weekend Deal
Chicago, IL (MDW)toOntario, CA (ONT)
Fri, Apr 11 - Sun, Apr 13
Delta
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To Ontario, CA (ONT) from
Chicago, IL (ORD)
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$248RT
Chicago, IL (ORD)toOntario, CA (ONT)
Best Times to Go
Frontier
$276RT
Chicago, IL (ORD)toOntario, CA (ONT)
Best Times to Go
Delta
$286RT
Weekend Deal
Chicago, IL (ORD)toOntario, CA (ONT)
Thu, Sep 4 - Mon, Sep 8
Alaska
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To Ontario, CA (ONT) from
Cincinnati, OH (CVG)
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$278RT
Cincinnati, OH (CVG)toOntario, CA (ONT)
Fri, May 9 - Fri, May 16
Frontier
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To Ontario, CA (ONT) from
Cleveland, OH (CLE)
Watch this route 
$248RT
Midweek Fare
Cleveland, OH (CLE)toOntario, CA (ONT)
Best Times to Go
Frontier
$308RT
Midweek Fare
Cleveland, OH (CLE)toOntario, CA (ONT)
Tue, Jun 3 - Tue, Jun 10
Frontier
$389RT
Cleveland, OH (CLE)toOntario, CA (ONT)
Wed, Aug 20 - Sun, Aug 24
Delta
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To Ontario, CA (ONT) from
Colorado Springs, CO (COS)
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$362RT
Colorado Springs, CO (COS)toOntario, CA (ONT)
Fri, May 23 - Mon, Jun 2
United
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To Ontario, CA (ONT) from
Columbia, SC (CAE)
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$463RT
Midweek Fare
Columbia, SC (CAE)toOntario, CA (ONT)
Wed, Apr 30 - Wed, May 7
American
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To Ontario, CA (ONT) from
Columbus, OH (CMH)
Watch this route 
$342RT
Midweek Fare
Columbus, OH (CMH)toOntario, CA (ONT)
Best Times to Go
Delta
$346RT
Midweek Fare
Columbus, OH (CMH)toOntario, CA (ONT)
Tue, Jun 17 - Tue, Jun 24
Delta
$787RT
Weekend Deal
Columbus, OH (CMH)toOntario, CA (ONT)
Fri, Jun 6 - Mon, Jun 9
Delta
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To Ontario, CA (ONT) from
Dallas, TX (DAL)
Watch this route 
$256RT
Dallas, TX (DAL)toOntario, CA (ONT)
Best Times to Go
Delta
$386RT
Dallas, TX (DAL)toOntario, CA (ONT)
Tue, Sep 9 - Sat, Sep 13
Delta
$447RT
Midweek Fare
Dallas, TX (DAL)toOntario, CA (ONT)
Tue, Jun 17 - Tue, Jun 24
Delta
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To Ontario, CA (ONT) from
Dallas, TX (DFW)
Watch this route 
$88RT
Nonstop|Midweek Fare
Dallas/Fort Worth, TX (DFW)toOntario, CA (ONT)
Best Times to Go
Frontier
$127RT
Nonstop
Dallas/Fort Worth, TX (DFW)toOntario, CA (ONT)
Sat, Apr 19 - Mon, Apr 21
Frontier
$148RT
Nonstop|Midweek Fare
Dallas/Fort Worth, TX (DFW)toOntario, CA (ONT)
Best Times to Go
Frontier
See more deals from Dallas, TX (DFW)
To Ontario, CA (ONT) from
Dayton, OH (DAY)
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$1,103RT
Midweek Fare
Dayton, OH (DAY)toOntario, CA (ONT)
Wed, Apr 30 - Wed, May 7
American
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To Ontario, CA (ONT) from
Denver, CO (DEN)
Watch this route 
$79RT
Nonstop|Weekend Deal
Denver, CO (DEN)toOntario, CA (ONT)
Fri, May 2 - Mon, May 5
Frontier
$150RT
Nonstop|Midweek Fare
Denver, CO (DEN)toOntario, CA (ONT)
Wed, Jun 11 - Wed, Jun 18
Frontier
$157RT
Nonstop|Weekend Deal
Denver, CO (DEN)toOntario, CA (ONT)
Fri, May 9 - Mon, May 12
United
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