
$172 Cheap Frontier Airlines flights Washington (IAD) to Ontario (ONT)
Prices were available within the past 7 days and start at $172 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 8 - Mon, Aug 11
IAD
Washington
ONT
Ontario
$267 Roundtrip, found 21 hours ago
$267
Roundtrip
found 21 hours ago

Fri, Aug 8 - Mon, Aug 11
IAD
Washington
ONT
Ontario
$272 Roundtrip, found 21 hours ago
$272
Roundtrip
found 21 hours ago

Fri, Jul 18 - Wed, Jul 23
IAD
Washington
ONT
Ontario
$331 Roundtrip, found 5 days ago
$331
Roundtrip
found 5 days ago

Fri, Aug 8 - Mon, Aug 11
IAD
Washington
ONT
Ontario
$339 Roundtrip, found 21 hours ago
$339
Roundtrip
found 21 hours ago

Fri, Jul 18 - Mon, Jul 28
IAD
Washington
ONT
Ontario
$344 Roundtrip, found 5 days ago
$344
Roundtrip
found 5 days ago
Origin airport | Washington Dulles Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, United |
Popular airline | Frontier Airlines |
Distance | 3578 km |
Most Popular Frontier Airlines Routes from Washington
Most Popular Frontier Airlines Routes from Ontario
- Atlanta to Baltimore (ATL - BWI)
- Orlando to Las Vegas (MCO - LAS)
- Dallas to New York (DFW - LGA)
- Norfolk to Orlando (ORF - MCO)
- New York to Atlanta (JFK - ATL)
- Orlando to Trenton (MCO - TTN)
- Baltimore to Tampa (BWI - TPA)
- Portland to Ontario (PDX - ONT)
- Pittsburgh to Islip (PIT - ISP)
- Atlanta to Dallas (ATL - DFW)
Popular Domestic Routes in Los Angeles - Ontario Intl.
- Nashville to Seattle (BNA - SEA)
- Atlanta to Baltimore (ATL - BWI)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Portland to Ontario (PDX - ONT)
- Dallas to New York (DFW - LGA)
- Orlando to Trenton (MCO - TTN)
- Sacramento to San Antonio (SMF - SAT)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Tampa to Charlotte (TPA - CLT)
- Orlando to Trenton (MCO - TTN)