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Did you mean flights from St Louis to Ottawa?

Flights from Ottawa to St Louis, United States

Ottawa to St Louis Last modified: May 30, 2017 3:20 -04:00Prices shown were found by travelers like you over the past 30 days

We've scanned 20,862,187,034 round trip itineraries and found the cheapest flights to St Louis. American & WestJet frequently offer the best deals to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

American
YOWSTL
Wed 08-09
1 stop
STLYOW
Tue 08-29
1 stop
$349
WestJet
YOWSTL
Tue 09-26
2 stops
STLYOW
Wed 10-04
2 stops
$367
United
YOWSTL
Tue 09-26
1 stop
STLYOW
Wed 10-04
1 stop
$373
Air Canada
YOWSTL
Tue 09-26
1 stop
STLYOW
Wed 10-04
1 stop
$399

How Much is a Flight from Ottawa to St Louis? Prices shown were found by travelers like you over the past 30 days

We have collected flight cost data from across the web for travel from Ottawa to St Louis, and have found the average flight price for this trip to be $403.

Where To Buy Cheap Flights from Ottawa to St Louis?

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 think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Ottawa to St Louis 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 Ottawa to St Louis? Prices shown were found by travelers like you over the past 30 days

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

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $0
7-14 days $0 $409
14-21 days $0 $409
21-30 days $0 $409
30-60 days $0 $421
60-90 days $0 $349
90+ days $0 $351

Cheapest Day To Fly from Ottawa to St Louis Prices shown were found by travelers like you over the past 30 days

We've examined 20,880,288,764 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Ottawa to St Louis is Wednesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$413$409$349$421$421  

Compare Flight Prices from Ottawa to St Louis by Month Prices shown were found by travelers like you over the past 30 days

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 Ottawa to St Louis flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Ottawa St Louis United 17-06-06 17-06-14 1 $409
July Ottawa St Louis Air Canada 17-07-07 17-07-25 1 $421
August Ottawa St Louis American 17-08-09 17-08-29 1 $349
September Ottawa St Louis American 17-09-26 17-10-04 1 $351
October Ottawa St Louis Air Canada 17-10-06 17-10-10 1 $450
November Ottawa St Louis United 17-11-21 17-11-27 1 $711

Cheap Last Minute Flights from Ottawa to St Louis Prices shown were found by travelers like you over the past 30 days

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

Next 30 Days

SunMonTueWedThuFriSat
25 26 27 28 29 30 1
$448
2 3 4 5 6 7 8
$448

Connecting Flights vs Direct Flights from Ottawa to St Louis Prices shown were found by travelers like you over the past 30 days

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 Ottawa to St Louis is $405.

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

One Way Flights vs Round Trip Flights from Ottawa to St Louis Prices shown were found by travelers like you over the past 30 days

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 Ottawa to St Louis. 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 Ottawa to St Louis is not available.

The average price for round trip flights from Ottawa to St Louis is $448.

Ottawa to St Louis Flight Questions

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

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

Airlines in Ottawa flying to St Louis Last modified: May 30, 2017 3:20 -04:00Number of routes searched: 44Number of itineraries searched: 1,326

Wondering which airlines fly out of Ottawa to St Louis? We've gathered the average price of Ottawa airlines with flights to St Louis. 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.

Ottawa to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
United -
American PHL
Air Canada YYZ
Major Airlines DTW
Major Airlines LGA
United EWR
United IAD
United ORD

Ottawa to St Louis Airports

These are the major commercial airports we're currently monitoring in Ottawa and St Louis. 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 International Flights from Ottawa - YOW Last modified: May 30, 2017 3:20 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap International Flights to St Louis - STL Last modified: May 30, 2017 3:20 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Ottawa to St Louis