Home Fares From A City St. Louis, MO St. Louis, MO (STL) To Ontario, CA (ONT)
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Last Published Fare:
$300 Flight from to Ontario (STL-ONT),
Southwest
Expired: June 15, 2012
  • AIRLINES
    Southwest
  • ADVANCE PURCHASE REQUIRED
    14 DAYS BEFORE TRAVEL
  • DAYS AVAILABLE FOR TRAVEL
    Mon-Thur & Sat
Found Today by a Traveler Search
Fare Notes:
No min. stay. Fare can be bought one-way for half the lowest roundtrip price.
Blackouts: August 18, 30, and September 3-4, 2012.
Southwest fares can only be booked on Southwest.com. Other airlines often match each other on sale fares.
To the best of our knowledge, there is a reasonable amount of seat availability at the stated price. Flexible travel dates may be required to find this rate; seats may not be available on all flights or all dates of travel. Holiday periods may be excluded. We monitor the availability of the fare and take efforts to remove and/or modify fares when no longer available.
All mandatory taxes/fees are included in the price. Tax-inclusive fare may be a few dollars higher or lower depending on the airport you connect through, if any. Baggage fees, if applicable, and other optional fees are not included. Our Dealhounds found this airfare using flexible date search. This means we searched a range of dates to find you the best price.
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Reviews for St. Louis to Ontario
1 Traveler Reviews
"A pleasant experience"
Flight from St. Louis to Ontario
Airline: Southwest
RT/OW: roundtrip
Number of Stops: 1 stop in LAS
Date of Flight: September 2010
Seat Class: economy
Check-in Experience
In-flight Service
Seat Comfort
Although my purpose for taking this trip was to attend a funeral, the travel experience was good, leaving on time and arriving on time. Flight attendants were competent and friendly. Flights were smooth.
Found by other travelers: St. Louis, MO (STL) to Ontario, CA (ONT)
$592
Flight from to Ontario (STL - ONT)
Sat, Dec 27 - Sat, Jan 3
Delta
$498
Flight from to Ontario (STL - ONT)
Fri, Sep 19 - Sun, Sep 21
American
$498
Flight from to Ontario (STL - ONT)
Sat, Jul 19 - Tue, Jul 22
US Airways
$438
Flight from to Ontario (STL - ONT)
Fri, Aug 22 - Sat, Oct 25
Alaska
$422
Flight from to Ontario (STL - ONT)
Sat, Aug 23 - Sat, Oct 25
American
$480
Flight from to Ontario (STL - ONT)
Fri, Aug 15 - Sun, Aug 17
US Airways
$328
Flight from to Ontario (STL - ONT)
Tue, Oct 7 - Tue, Oct 21
American
$492
Flight from to Ontario (STL - ONT)
Thu, Jun 26 - Sun, Jun 29
US Airways
$604
Flight from to Ontario (STL - ONT)
Fri, Jun 20 - Sat, Jun 28
US Airways
$328
Flight from to Ontario (STL - ONT)
Wed, Sep 3 - Tue, Sep 9
American
There are approximately 93 flights covering the route from Lambert-St. Louis International Airport in to Ontario International Airport in Ontario, provided by as many as 7 airlines.
The following airlines often offer cheap flights from to Ontario
Continental
Southwest
American
United
Frontier
Your Travel Dates: to
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