Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $458 (Kiwi.com) |
One-way from | $222 (Kiwi.com) |
Popular in | August |
Cheapest in | September |
Average price | $705 |
Fly from
Fly to
Route
Depart
Return
Price
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Fri 5/16
4:25 pm-12:14 am
1 stop8h 49m
Lambert-St Louis
Mon 5/19
5:45 pm-5:06 pm
1 stop22h 21m
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Sun 5/18
6:30 am-3:47 pm
2 stops10h 17m
Lambert-St Louis
Sun 5/25
5:00 am-2:04 pm
1 stop8h 04m
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Fri 5/16
5:55 am-4:35 pm
2 stops11h 40m
Lambert-St Louis
Mon 5/19
6:00 am-12:22 am
2 stops17h 22m
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Thu 4/17
10:05 am-2:49 pm
1 stop5h 44m
Lambert-St Louis
Sun 4/20
3:30 pm-9:34 pm
1 stop5h 04m
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Sun 5/18
4:25 pm-12:06 am
1 stop8h 41m
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Sun 5/18
6:30 am-2:50 pm
2 stops9h 20m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Currently, August is the cheapest month in which you can book a flight from Ottawa to St. Louis (average of $311). Flying from Ottawa to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
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).
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Patti,Feb 2025
FCO - EWR
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Patti,Feb 2025
FCO - EWR
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Patti,Feb 2025
FCO - EWR
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Patti,Feb 2025
FCO - EWR
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$549 | Average$667 | FlexibilityNo cancel fee | On-time67% |