How does KAYAK find such low prices on flights from Missouri to Ottawa?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Ottawa.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Ottawa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Ottawa?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Ottawa?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

C$ 340 CHEAP FLIGHTS from Missouri to Ottawa

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Flight Deals

Cheap Flights from Missouri to Ottawa

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Ottawa

Thu, 3 Dec - Sun, 6 Dec

6:13 p.m. - 11:45 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

28h 32m3 stops Orlando Atlanta Hartsfield-Jackson Fort Lauderdale

3:30 p.m. - 11:17 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

20h 47m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 783Multiple Airlines

1 day ago

Thu, 3 Dec - Sun, 6 Dec

6:13 p.m. - 11:45 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

28h 32m3 stops Orlando Atlanta Hartsfield-Jackson Fort Lauderdale

3:30 p.m. - 10:57 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

20h 27m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Denver Intl

C$ 820Multiple Airlines

1 day ago

Mon, 14 Dec - Fri, 25 Dec

12:02 p.m. - 2:32 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

25h 30m2 stops Atlanta Hartsfield-Jackson Newark

8:00 a.m. - 12:41 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

17h 41m1 stop Orlando

C$ 852Multiple Airlines

3+ days ago

Thu, 10 Dec - Thu, 17 Dec

2:27 p.m. - 12:41 a.m.St. Louis Lambert-St Louis-Ottawa Ottawa

33h 14m3 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl Toronto Pearson Intl

12:15 p.m. - 10:53 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

23h 38m3 stops Toronto Island Washington, D.C. Dulles Intl Atlanta Hartsfield-Jackson

C$ 906Multiple Airlines

3+ days ago

Thu, 10 Dec - Thu, 17 Dec

6:20 p.m. - 5:15 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

21h 55m2 stops Orlando Hamilton

8:00 a.m. - 12:41 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

17h 41m1 stop Orlando

C$ 927Multiple Airlines

3+ days ago

Thu, 3 Dec - Sun, 6 Dec

6:13 p.m. - 11:45 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

28h 32m3 stops Orlando Atlanta Hartsfield-Jackson Fort Lauderdale

8:00 a.m. - 12:12 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

17h 12m1 stop Orlando

C$ 941Multiple Airlines

1 day ago

Mon, 4 Jan - Fri, 15 Jan

6:21 p.m. - 2:30 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

19h 09m2 stops Atlanta Hartsfield-Jackson Newark

8:00 a.m. - 12:04 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

17h 04m1 stop Orlando

C$ 948Multiple Airlines

3+ days ago

Mon, 14 Dec - Fri, 25 Dec

7:54 p.m. - 12:41 a.m.St. Louis Lambert-St Louis-Ottawa Ottawa

27h 47m3 stops Denver Intl Phoenix Sky Harbor Intl Toronto Pearson Intl

8:00 a.m. - 12:41 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

17h 41m1 stop Orlando

C$ 1,029Multiple Airlines

3+ days ago

Thu, 10 Dec - Thu, 17 Dec

2:27 p.m. - 12:41 a.m.St. Louis Lambert-St Louis-Ottawa Ottawa

33h 14m3 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl Toronto Pearson Intl

8:00 a.m. - 10:53 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

27h 53m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 1,032Multiple Airlines

3+ days ago

Sat, 12 Dec - Sat, 19 Dec

7:54 p.m. - 11:40 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

26h 46m3 stops Denver Intl Phoenix Sky Harbor Intl Calgary

9:15 a.m. - 12:41 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

40h 26m3 stops Miami Washington, D.C. Dulles Intl Orlando

C$ 1,050Multiple Airlines

2 days ago

Recent last minute flight deals from Missouri to Ottawa

Sat, 31 Oct - Mon, 2 Nov

4:26 p.m. - 5:45 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

24h 19m1 stop Orlando

8:00 a.m. - 5:40 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

10h 40m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 1,214Multiple Airlines

1 day ago

Sat, 31 Oct - Mon, 2 Nov

4:26 p.m. - 5:45 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

24h 19m1 stop Orlando

8:00 a.m. - 11:16 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

16h 16m1 stop Orlando

C$ 1,238Multiple Airlines

1 day ago

Sat, 31 Oct - Sat, 7 Nov

4:26 p.m. - 5:45 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

24h 19m1 stop Orlando

8:00 a.m. - 11:16 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

16h 16m1 stop Orlando

C$ 1,252Multiple Airlines

3+ days ago

Sat, 31 Oct - Sat, 7 Nov

4:26 p.m. - 12:34 a.m.St. Louis Lambert-St Louis-Ottawa Ottawa

31h 08m3 stops Orlando Dallas/Fort Worth Fort Lauderdale

9:15 a.m. - 12:33 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

28h 18m3 stops Miami Dallas/Fort Worth Las Vegas Harry Reid Intl

C$ 1,255Multiple Airlines

3+ days ago

Sat, 31 Oct - Sat, 7 Nov

6:20 a.m. - 7:05 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

11h 45m1 stop Cancun

8:00 a.m. - 11:19 a.m.Ottawa Ottawa-St. Louis Lambert-St Louis

28h 19m2 stops Orlando Dallas/Fort Worth

C$ 1,273Multiple Airlines

3+ days ago

Sat, 31 Oct - Sat, 7 Nov

4:26 p.m. - 12:34 a.m.St. Louis Lambert-St Louis-Ottawa Ottawa

31h 08m3 stops Orlando Dallas/Fort Worth Fort Lauderdale

8:00 a.m. - 11:16 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

16h 16m1 stop Orlando

C$ 1,308Multiple Airlines

3+ days ago

Sat, 31 Oct - Sat, 7 Nov

4:26 p.m. - 12:34 a.m.St. Louis Lambert-St Louis-Ottawa Ottawa

31h 08m3 stops Orlando Dallas/Fort Worth Fort Lauderdale

7:00 a.m. - 11:16 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

17h 16m2 stops Toronto Pearson Intl Orlando

C$ 1,369Multiple Airlines

3+ days ago

Sat, 31 Oct - Mon, 2 Nov

6:47 a.m. - 5:58 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

10h 11m2 stops New York LaGuardia Toronto Pearson Intl

7:00 a.m. - 9:07 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

15h 07m2 stops Toronto Pearson Intl New York LaGuardia

C$ 1,959American Airlines

1 day ago

Sat, 31 Oct - Mon, 2 Nov

5:00 a.m. - 5:58 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

11h 58m3 stops Chicago O'Hare Intl New York LaGuardia Toronto Pearson Intl

7:00 a.m. - 9:07 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

15h 07m2 stops Toronto Pearson Intl New York LaGuardia

C$ 1,973American Airlines

1 day ago

Sat, 31 Oct - Mon, 2 Nov

5:28 a.m. - 5:58 p.m.St. Louis Lambert-St Louis-Ottawa Ottawa

11h 30m3 stops Charlotte Douglas New York LaGuardia Toronto Pearson Intl

7:00 a.m. - 6:17 p.m.Ottawa Ottawa-St. Louis Lambert-St Louis

12h 17m3 stops Toronto Pearson Intl New York LaGuardia Chicago O'Hare Intl

C$ 2,359American Airlines

1 day ago

Useful Info

Low season	February
High season	December

Best time to beat the crowds but there is an average 12% increase in price.

Most popular time to fly and prices are also 15% lower on average.

How does KAYAK find such low prices on flights from Missouri to Ottawa?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Ottawa.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Ottawa?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Ottawa?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Ottawa?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.