Popular in | December |
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Cheapest in | October |
Round-trip from | $318 |
One-way from | $242 |
Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 91% on the overall cost on flights from Ontario to St. Louis.
Users have found that booking a flight from Ontario to St. Louis at least 48 days early can save you up to 128% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from Ontario to St. Louis for as little as $480 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $628 for flights departing within the next 3 days.
The best pricing can be found in the month of January. Prices to St. Louis from Ontario average $415. You can even find prices in January for less than $415, as users have found deals to St. Louis from as low as $215. The month of July appears to be one of the more expensive times to travel to St. Louis from Ontario. Flying in the targeted month can save you up to 12%.
A simple way to save on the total cost of your ticket is to fly from Ontario to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight at noon.
Fly from
Fly to
Budget
$136 - $404
Route
Depart
Return
Price
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Sun 9/22
1 stop19h 08m
Lambert-St Louis
Sat 9/28
1 stop15h 37m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Wed 8/14
1 stop12h 04m
Lambert-St Louis
Tue 8/20
1 stop24h 40m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Mon 8/12
1 stop9h 01m
Lambert-St Louis
Wed 8/14
1 stop5h 39m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Thu 8/29
1 stop14h 48m
Lambert-St Louis
Mon 9/2
1 stop24h 40m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Tue 8/20
1 stop11h 43m
Lambert-St Louis
Fri 8/23
1 stop24h 37m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Mon 6/24
1 stop5h 58m
Lambert-St Louis
Sun 8/25
1 stop7h 29m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Mon 6/24
1 stop6h 55m
Lambert-St Louis
Sun 8/25
1 stop5h 56m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Thu 8/15
1 stop6h 48m
Lambert-St Louis
Mon 8/19
2 stops10h 19m
OntarioLambert-St Louis
ONT - STL
ONTSTL
Ontario
Tue 9/10
2 stops23h 55m
Lambert-St Louis
Sat 9/14
1 stop9h 46m
STL Temperature | 32 - 80.6 °F |
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If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$105 | Average$200 | FlexibilityNo cancel fee | On-time62% |
Delta | Cheapest$276 | Average$357 | FlexibilityNo cancel fee | On-timeN/A |
American Airlines | Cheapest$282 | Average$467 | FlexibilityNo cancel fee | On-time71% |
United Airlines | Cheapest$318 | Average$452 | FlexibilityNo cancel fee | On-time69% |
0%of flight departures | Early morningMidnight to 6 am |
---|---|
100%of flight departures | Morning6 am to noon |
0%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |