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Cheap Flights from St Louis, MO (STL) to Los Angeles - Ontario, CA (ONT)

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Discover the cheapest flights from St Louis, MO to Los Angeles - Ontario, CA
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Mon, Apr 27 - Thu, May 7
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
Frontier Airlines
Frontier Airlines1 stop
ONT - STL
194$
183$
Prime price per passenger
Tue, May 12 - Wed, May 13
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
Alaska Airlines
Alaska Airlines1 stop
ONT - STL
220$
206$
Prime price per passenger
Sun, Mar 22 - Wed, Apr 1
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
Frontier Airlines
Frontier Airlines1 stop
ONT - STL
224$
213$
Prime price per passenger
Fri, Apr 3 - Fri, Apr 10
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
Frontier Airlines
Frontier Airlines1 stop
ONT - STL
224$
213$
Prime price per passenger
Tue, Apr 21 - Fri, Apr 24
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
Alaska Airlines
Alaska Airlines1 stop
ONT - STL
270$
255$
Prime price per passenger
Thu, May 28 - Tue, Jun 2
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
Alaska Airlines
Alaska Airlines1 stop
ONT - STL
357$
339$
Prime price per passenger
Sat, May 16
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
93$
91$
Prime price per passenger
Fri, May 8
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
94$
92$
Prime price per passenger
Mon, Apr 20
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
100$
97$
Prime price per passenger
Sat, Apr 11
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
115$
112$
Prime price per passenger
Tue, Mar 24
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
118$
115$
Prime price per passenger
Mon, Jun 1
Frontier Airlines
Frontier Airlines1 stop
STL - ONT
164$
155$
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from St Louis, MO to Los Angeles - Ontario, CA

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of May. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
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week: May 4 - May 10
Flights from just $143
$195
$158
$147
$160
$161
$146
$147
$171
$143
$153
$294
$261
MarchAprilMay
Flying Time4 h and 59 mWhen flying from St Louis, MO to Los Angeles - Ontario, CA, this can take around 4 h and 59 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$91The best price for flights from St Louis, MO to Los Angeles - Ontario, CA offered by eDreams, which have been found by our customers in the last 3 days
Origin airportSt. Louis Lambert International AirportWhen flying from St Louis, MO to Los Angeles - Ontario, CA
Destination airportOntario InternationalFor the route from St Louis, MO to Los Angeles - Ontario, CA
Peak seasonMarchMarch is the busiest time to fly from St Louis, MO to Los Angeles - Ontario, CA according to search data results from our customers
One-way average Price239.73A flight from St Louis, MO to Los Angeles - Ontario, CA at eDreams will cost around 239.73, this being based on prices of the previous 6 months of data
Best time to bookMarchOctober is one of the most frequent times to fly to Los Angeles - Ontario, CA from St Louis, MO according to real data from our customers
Distance: 1554 miles
St Louis, MO airports
Lambert-St Louis Internatl (STL)How far from city center: 12 miles
Los Angeles - Ontario, CA airports
Ontario International (ONT)How far from city center: 2 miles

Are you planning to travel to Los Angeles - Ontario, CA for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from St Louis, MO. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to Los Angeles - Ontario, CA and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from St Louis, MO to Los Angeles - Ontario, CA

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!
On average, how much is the price of a flight from St Louis, MO to Los Angeles - Ontario, CA?
When you fly from St Louis, MO to Los Angeles - Ontario, CA the average price is 239.73. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.
For flights from St Louis, MO to Los Angeles - Ontario, CA, how can I find the cheapest price?
The cheapest price for a flight from St Louis, MO to Los Angeles - Ontario, CA is $91. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from St Louis, MO to Los Angeles - Ontario, CA?
The most popular months to book a trip from St Louis, MO to Los Angeles - Ontario, CA are December, May and April, based on the searches of our customers.
When is the best time to travel from St Louis, MO to Los Angeles - Ontario, CA?
The best time of the year to visit Los Angeles - Ontario, CA depends on lots of personal preferences, especially the price. Regarding popularity, December is the best month to fly to Los Angeles - Ontario, CA from St Louis, MO in terms of searches from our customers, followed by June and May. If you prefer to avoid the busy season and get away from the crowds August, January and February are the months with fewer searches for St Louis, MO - Los Angeles - Ontario, CA.
How long does the flight from St Louis, MO to Los Angeles - Ontario, CA take?
Flight length from St Louis, MO to Los Angeles - Ontario, CA is around 4 h and 59 m on average, at an average distance of 1,553.83 mi, for flights for the route (which may have 1 or more stops in other cities in between).

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