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Cheap flights from St. Louis to Ottawa
Round-trip
Economy
Flight information for St. Louis to Ottawa
(STL to YOW)
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Ottawa
| Best Price Found | $235 | The best flight deal from St. Louis to Ottawa found on momondo in the last 72 hours is $235 |
| Fastest flight time | 4h 59m | The fastest flight from St. Louis to Ottawa takes 4h 59m. |
| Direct flights | None | There are no direct flights from St. Louis to Ottawa. Popular non-direct route for this connection is Lambert-St Louis - Ottawa. |
| Airports in Ottawa | 1 airport | There is 1 airport near Ottawa: Ottawa (YOW) |
How to get the cheapest flight ticket from St. Louis to Ottawa
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ottawa?
April
The cheapest time of year to fly to Ottawa from St. Louis is April. Most expensive is October
What is the cheapest day to fly to Ottawa?
Thursday
The cheapest day of the week is typically Thursday. The most expensive is typically Sunday
When is the cheapest time to fly to Ottawa?
in the evening
St. Louis to Ottawa flights are approximately 41% more expensive at noon than in the evening
What is the cheapest airline that flies to Ottawa?
WestJet
WestJet, Delta, and American Airlines are the most popular carriers operating from St. Louis to Ottawa
What is the cheapest route?
Lambert-St Louis - Ottawa
Fly from Lambert-St Louis to Ottawa for the best St. Louis - Ottawa flight prices
STL
Lambert-St Louis
YOW
Ottawa
Easily compare round-trip flights from St. Louis to Ottawa
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Ottawa by changing tabs
Cheapest
Best
Quickest
Air Canada
Apr 15
STL
Lambert-St Louis
6h 29m
1 stop
YOW
Ottawa
Apr 19
YOW
Ottawa
6h 09m
1 stop
STL
Lambert-St Louis
$234
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Multiple Airlines
Apr 15
STL
Lambert-St Louis
4h 42m
1 stop
YOW
Ottawa
Apr 19
YOW
Ottawa
9h 25m
2 stops
STL
Lambert-St Louis
$263
Find similar
WestJet
Feb 12
STL
Lambert-St Louis
9h 58m
2 stops
YOW
Ottawa
Feb 14
YOW
Ottawa
16h 49m
2 stops
STL
Lambert-St Louis
$402
Find similar
Which airlines flying from Lambert-St Louis to Ottawa have COVID-19 safety policies in place?
Airlines such as Delta have taken additional precautions to make sure you’re safer while traveling. Usage of HEPA filters, scheduled sanitation, enhanced cleaning of aircrafts, pre-flight testing, and mask policies are some of the implemented practices made by airlines to help keep you safe as you depart from Lambert-St Louis to Ottawa. Keep in mind that policies will vary by airline.
Are airlines flying from Lambert-St Louis to Ottawa offering flexible cancellation due to COVID-19?
To ease the stress of booking flights, some of our airline partners flying from Lambert-St Louis to Ottawa are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: Delta, United Airlines, and Air Canada.