
$134 Cheap Frontier Airlines flights Chicago (ORD) to Ontario (ONT)
Prices were available within the past 7 days and start at $134 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 16 - Tue, Aug 19
ORD
Chicago
ONT
Ontario
$248 Roundtrip, found 12 hours ago
$248
Roundtrip
found 12 hours ago

Sat, Aug 16 - Thu, Aug 21
ORD
Chicago
ONT
Ontario
$258 Roundtrip, found 12 hours ago
$258
Roundtrip
found 12 hours ago

Thu, Aug 14 - Thu, Aug 21
ORD
Chicago
ONT
Ontario
$268 Roundtrip, found 12 hours ago
$268
Roundtrip
found 12 hours ago
Origin airport | O'Hare Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, United |
Popular airline | Delta |
Distance | 2713 km |
Average flight time | 4 hours 31 mins |
Most Popular Frontier Airlines Routes from Chicago
Most Popular Frontier Airlines Routes from Ontario
- Los Angeles to Philadelphia (LAX - PHL)
- Atlanta to Chicago (ATL - ORD)
- San Juan to Las Vegas (SJU - LAS)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- Atlanta to San Juan (ATL - SJU)
- New York to Raleigh (LGA - RDU)
- Chicago to Atlanta (ORD - ATL)
- Orange County to Nashville (SNA - BNA)
- Denver to Chicago (DEN - ORD)
- Atlanta to San Juan (ATL - SJU)
Popular Domestic Routes in Los Angeles - Ontario Intl.
- Atlanta to Orlando (ATL - MCO)
- Los Angeles to Miami (LAX - MIA)
- Charlotte to Chicago (CLT - ORD)
- Cleveland to Las Vegas (CLE - LAS)
- Houston to Raleigh (IAH - RDU)
- Seattle to Phoenix (SEA - PHX)
- New York to Raleigh (LGA - RDU)
- New York to Orlando (JFK - MCO)
- Chicago to Atlanta (ORD - ATL)
- Seattle to Phoenix (SEA - PHX)