Cheap flights from Ottawa (YOW) to St. Louis (STL) from $501
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
The best prices from Ottawa to Lambert-St Louis are usually found in October or December, booked 37 days in advance, depart on a Wednesday or Monday and return on a Saturday
Cheap flight deals from Ottawa to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 6, 2024.
Popular in | January |
|---|---|
Cheapest in | October |
Average price | $656 |
Round-trip from | $322 |
What is the cheapest day to fly round-trip from Ottawa to St. Louis?
It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
How far in advance should I book a flight from Ottawa to St. Louis?
To save on the cost of your flight from Ottawa to St. Louis, book at least 38 days before your planned departure. Booking around this time can save you about 45% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $663 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $663.
What is the cheapest month to fly from Ottawa to St. Louis?
Due to multiple factors, expect to potentially pay more when booking in January. For low rates, October can be a great choice for travel to St. Louis. Flights to St. Louis from Ottawa in October are about $626 on average during October, but can be found for as low as $474.
When is the cheapest time to fly from Ottawa to St. Louis (YOW - STL)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to St. Louis as you normally would.
Cheap Air Canada flights from Ottawa to St. Louis
Explore cheap flight options specifically provided by Air Canada for the route between Ottawa and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Take a peek at the cheapest Air Canada flights we've detected traveling from Ottawa to St. Louis. It's recommended that users confirm their flight details before booking.
Cheap WestJet flights from Ottawa to St. Louis
Explore cheap flight options specifically provided by WestJet for the route between Ottawa and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Take a gander at the lowest prices we've found on WestJet flights from Ottawa to St. Louis. Deals are refreshing constantly so come back soon for more options.
Ottawa to St. Louis 2024 flight deals
Discover exclusive flight deals for travel between Ottawa and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Listed are some of the best fares we've found on flights departing from Ottawa to St. Louis in 2024. For more flight deals, be sure to check back very soon.
Find flights from Ottawa to St. Louis within your budget
Customize your flight search to find flights from Ottawa to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Fly from
Fly to
Budget
$501 - $808
Route
Depart
Return
Price
OttawaLambert-St Louis
YOW - STL
YOWSTL
Ottawa
Sat 9/7
2 stops10h 54m
Lambert-St Louis
Tue 9/10
1 stop6h 38m
OttawaLambert-St Louis
YOW - STL
YOWSTL
Ottawa
Sat 9/7
1 stop5h 24m
Lambert-St Louis
Tue 9/10
1 stop9h 39m
OttawaLambert-St Louis
YOW - STL
YOWSTL
Ottawa
Sat 9/7
2 stops10h 54m
Lambert-St Louis
Tue 9/10
1 stop9h 39m
OttawaLambert-St Louis
YOW - STL
YOWSTL
Ottawa
Sat 9/7
2 stops19h 22m
Lambert-St Louis
Tue 9/10
2 stops19h 56m
OttawaLambert-St Louis
YOW - STL
YOWSTL
Ottawa
Sat 9/7
2 stops19h 22m
Lambert-St Louis
Tue 9/10
2 stops14h 22m
When is the best time to book a flight from Ottawa to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from Ottawa to St. Louis. Price data was last updated on May 3, 2024.
The price you pay for your flight from Ottawa to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
When is the cheapest time to fly from Ottawa to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Ottawa to St. Louis. Price data was last updated on May 5, 2024.
Average price of flights to St. Louis by month
Plan your trip from Ottawa to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Ottawa to St. Louis is currently $0 while a round-trip flight costs $647. Price data was last updated on April 28, 2024.
Currently, September is the cheapest month in which you can book a flight from Ottawa to St. Louis (average of $322). Flying from Ottawa to St. Louis in July is currently the most expensive (average of $377). 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.
January
$326
February
$331
March
$357
April
$337
May
$345
June
$371
July
$377
August
$336
September
$322
October
$324
November
$336
December
$326
Temperature and rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.
STL Temperature | 32 - 80.6 °F |
|---|
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated May 6, 2024.
Peruse reviews from past customers who have flown with Air Canada and WestJet from Ottawa to St. Louis to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Overall
Entertainment
Food
Comfort
Reviews
It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.
Crew
Boarding
Overall
Entertainment
Food
Comfort
Reviews
It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.
Crew
Boarding
Overall
Entertainment
Food
Comfort
Reviews
It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.
Crew
Boarding
Overall
Entertainment
Food
Comfort
Reviews
It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.
Related info for your journey
Find useful and relevant information for your journey from Ottawa to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ottawa to St. LouisSee prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ottawa to St. Louis
Discover the top airline that operate flights from Ottawa to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Search flights from Ottawa to St. Louis by cabin class
Find flights from Ottawa to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Ottawa to St. Louis?
Cheapflights makes it easy to find Ottawa to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
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Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
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Certainly. Search results for flights to St. Louis from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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Yes! Start tracking prices for Ottawa to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.