Home >> Fares From A City >> Ontario, CA >> Ontario, CA (ONT) To St. Louis, MO (STL)
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HOW TO FIND THIS FARE
  • AIRLINES
    US Airways
  • ADVANCE PURCHASE REQUIRED
    21 DAYS BEFORE TRAVEL
  • TRAVEL STARTING
    Wed, September 23, 2015
  • TRAVEL ENDING
    Fri, September 25, 2015
Found Today by a Traveler Search
Fare Notes:
Lowest fare found for travel within the next 30 days.

Seats are not available on all flights or all dates of travel. You may need to have flexible travel dates to find this fare. Fares for travel on holidays may be higher.

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 Ontario to St. Louis
1 Traveler Reviews
"Overall trip was good"
Flight from Ontario to St. Louis
Airline: American
RT/OW: roundtrip
Number of Stops: 1 stop in DFW
Date of Flight: June 2010
Seat Class: economy
Check-in Experience
In-flight Service
Seat Comfort
Overall flights were ok. We did have an hour longer delay in Dallas. In-flight service could have been more attentive and not acting as though we were a bother to them.
Found by other travelers: Ontario, CA (ONT) to St. Louis, MO (STL)
$656
Flight from Ontario to (ONT - STL)
Sun, Jun 15 - Thu, Jun 19
Delta
$480
Flight from Ontario to (ONT - STL)
Fri, Jun 27 - Sat, Jul 5
US Airways
$714
Flight from Ontario to (ONT - STL)
Sun, Jun 15 - Wed, Jun 18
United
$510
Flight from Ontario to (ONT - STL)
Sun, Jun 22 - Wed, Jun 25
US Airways
$584
Flight from Ontario to (ONT - STL)
Thu, Dec 18 - Tue, Dec 30
US Airways
$496
Flight from Ontario to (ONT - STL)
Mon, Aug 11 - Thu, Aug 21
United
$512
Flight from Ontario to (ONT - STL)
Thu, Jun 19 - Sat, Jun 21
US Airways
$524
Flight from Ontario to (ONT - STL)
Wed, Jun 18 - Wed, Jul 9
American
$480
Flight from Ontario to (ONT - STL)
Fri, Jun 27 - Mon, Jun 30
US Airways
$672
Flight from Ontario to (ONT - STL)
Sun, Jun 22 - Wed, Jun 25
American
There are approximately 87 flights covering the route from Ontario International Airport in Ontario to Lambert-St. Louis International Airport in , provided by as many as 7 airlines.
The following airlines often offer cheap flights from Ontario to
Continental
Southwest
United
American
Frontier
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