Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.

Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Did you mean flights from Ottawa to St Louis?

Flights from St Louis to Ottawa, Canada Last modified: Sep 27, 2016 2:46 AM

St Louis to Ottawa Last modified: Sep 27, 2016 2:46 AM

We've scanned 23,126,175,300 round trip itineraries and found the cheapest flights from St Louis to Ottawa. United & American frequently offer the best deals on St Louis to Ottawa flights, or select your preferred carrier below to see the cheapest days to fly.

United
STLYOW
Wed 10/26
1 stop
YOWSTL
Sun 10/30
1 stop
$297
Select
United
STLYOW
Thu 10/27
1 stop
YOWSTL
Sun 10/30
1 stop
$297
Select
American
STLYOW
Thu 10/27
1 stop
YOWSTL
Sun 10/30
1 stop
$372
Select
Air Canada
STLYOW
Wed 10/26
2 stops
YOWSTL
Sun 10/30
2 stops
$398
Select

How Much is a Flight from St Louis to Ottawa?

We have collected flight cost data from across the web for travel from St Louis to Ottawa, and have found the average flight price for this trip to be $376.

Where To Buy Cheap Flights from St Louis to Ottawa?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we thinking FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from St Louis to Ottawa based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from St Louis to Ottawa?

The chart below shows up-to-date information regarding how far in advance to book your flight from St Louis to Ottawa.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $0
7-14 days $0 $0
14-21 days $0 $439
21-30 days $0 $297
30-60 days $0 $297
60-90 days $0 $431
90+ days $0 $0

Cheapest Day To Fly from St Louis to Ottawa

We've examined 23,133,250,742 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from St Louis to Ottawa is Wednesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$431 $297 $297 $302 $481 $444

Compare Flight Prices from St Louis to Ottawa by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for St Louis to Ottawa flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
October St Louis Ottawa United 10/26/16 10/30/16 1 $297
November St Louis Ottawa United 11/25/16 11/30/16 1 $302
December St Louis Ottawa United 12/20/16 12/27/16 1 $431

Cheap Last Minute Flights from St Louis to Ottawa

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from St Louis to Ottawa. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
23 24 25 26 27 28 29
$297
30 31 1 2 3 4 5
$297

Connecting Flights vs Direct Flights from St Louis to Ottawa

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Ottawa is $367.

The average price for direct flights from St Louis to Ottawa is not available.

One Way Flights vs Round Trip Flights from St Louis to Ottawa

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Ottawa. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Ottawa is not available.

The average price for round trip flights from St Louis to Ottawa is $367.

St Louis to Ottawa Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to Ottawa?
Answer: Chicago, IL

Airlines in St Louis flying to Ottawa Last modified: Sep 27, 2016 2:46 AMNumber of routes searched: 37Number of itineraries searched: 1,005

Wondering which airlines fly out of St Louis to Ottawa? We've gathered the average price of St Louis airlines with flights to Ottawa. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

St Louis to Ottawa
Airline Connections Mon Tue Wed Thu Fri Sat Sun
United IAD
United ORD
American PHL
United EWR
Delta CVG / DTW
United DEN / IAD
United ORD / EWR
American ORD / PHL
Air Canada YYZ
Delta DTW
Delta CVG / ATL
Delta MSP / DTW
American CLT / PHL
American DCA / PHL
American DFW / PHL
Air Canada YYZ / YUL
Delta ATL

St Louis to Ottawa Airports

These are the major commercial airports we're currently monitoring in St Louis and Ottawa. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
Flights from St Louis to New York American, Alaska, Delta, United $250
Flights from St Louis to Chicago American, United $217
Flights from St Louis to Boston American, Delta, United $316
Flights from St Louis to Atlanta American, Delta, Frontier $82
Flights from St Louis to Washington American, Alaska, Delta, United $203
Flights from St Louis to Newark American, Delta, United $251
Flights from St Louis to Philadelphia American, Alaska, Delta $295
Flights from St Louis to Dallas - Ft Worth American, Alaska $213
Flights from St Louis to Syracuse American, Delta, United $286
Flights from St Louis to Burlington American, Delta, United $310
Flights from St Louis to Rochester American, Alaska, Delta, United $252
Flights from St Louis to Baltimore American, Alaska, Delta, United $213
Flights from St Louis to Detroit American, Delta $194
Flights from St Louis to Hartford American, Delta, United $273
Flights from St Louis to Albany American, Delta, United $309
Flights from St Louis to Buffalo American, Alaska, Delta, United $279
Flights from St Louis to Charlotte American, Alaska, Delta, United $283
Flights from St Louis to Manchester American, Delta, United $268
Flights from St Louis to Pittsburgh American, Delta $177
Flights from St Louis to Cleveland American, Delta, United $159
Flights from St Louis to Providence American, Delta, United $260

Cheap International Flights from St Louis - STL

FlightsAirlineLowest Price
Flights from St Louis to Montreal American, Air Canada, Delta, United, WestJet $299
Flights from St Louis to Toronto American, Air Canada, Delta, United, WestJet $418

Cheap Domestic Flights to Ottawa - YOW

FlightsAirlineLowest Price
Flights from Springfield to Chicago American, United $301
Flights from Evansville to New York American, Delta, United $300
Flights from Springfield to New York American, Delta, United $322
Flights from Springfield to Boston American, Delta, United $330

Cheap International Flights to Ottawa - YOW

FlightsAirlineLowest Price
Flights from Evansville to Ottawa Delta, United Check Dates
Flights from Springfield to Ottawa American, Delta, United Check Dates
Flights from Springfield to Montreal American, Delta, United Check Dates
Cheap Flights from St Louis to Ottawa