Cheap flights from Ottawa to Missouri from C$ 501

YOW — STL
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Missouri

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Missouri

Tue 29/126:15 a.m. -
1 stop16h 07m
Sun 3/19:35 a.m. -
1 stop10h 48m
Deal found 8/11C$ 846
Tue 8/126:00 a.m. -
1 stop17h 15m
Wed 9/1211:00 a.m. -
1 stop9h 56m
Deal found 4/11C$ 941
Wed 23/126:00 a.m. -
2 stops16h 22m
Sun 3/16:58 p.m. -
2 stops19h 09m
Deal found 6/11C$ 975
Sat 19/129:45 a.m. -
1 stop15h 14m
Sat 26/126:00 a.m. -
1 stop14h 23m
Deal found 4/11C$ 985
Sat 21/116:00 a.m. -
2 stops11h 59m
Sat 28/111:08 p.m. -
1 stop7h 08m
Deal found 4/11C$ 1,133
Fri 25/124:42 p.m. -
1 stop7h 56m
Sun 27/126:00 a.m. -
2 stops14h 50m
Deal found 5/11C$ 1,144
Sat 21/1110:00 a.m. -
1 stop6h 26m
Sat 28/118:30 a.m. -
1 stop4h 39m
Deal found 7/11C$ 1,181
Sun 20/129:45 a.m. -
2 stops14h 42m
Sun 27/127:45 a.m. -
2 stops13h 11m
Deal found 5/11C$ 1,304
Thu 5/116:00 a.m. -
2 stops11h 34m
Thu 12/116:00 a.m. -
2 stops12h 27m
Deal found 4/11C$ 1,441
Thu 5/117:00 a.m. -
2 stops12h 48m
Thu 12/115:20 a.m. -
2 stops11h 32m
Deal found 4/11C$ 1,600
Fri 25/127:00 a.m. -
3 stops30h 00m
Sun 27/1212:45 p.m. -
3 stops33h 55m
Deal found 5/11C$ 1,749
Sun 20/127:00 a.m. -
3 stops15h 08m
Sun 27/126:00 a.m. -
2 stops10h 56m
Deal found 5/11C$ 1,819

Find flight deals from Ottawa to Missouri

Round-trip from

C$ 867

One-way from

C$ 501

Popular in

November

Cheapest in

May

Average price

C$ 1,369
1/2-13/2
  • 1/2-13/2
  • 3 total stops
  • 45h 45m total
  • Ottawa to Missouri
16/12-31/12
  • 16/12-31/12
  • 2 total stops
  • 12h 35m total
  • Ottawa to Missouri
Highest demand for flights based on searches. 24% potential increase in price (C$ 365 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease (C$ 74 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Wed 16/12

8:00 a.m.-7:35 p.m.

2 stops12h 35m

Kansas City

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 501

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Wed 16/12

4:36 p.m.-11:22 p.m.

1 stop7h 46m

Kansas City

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 523

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sun 20/12

6:00 a.m.-6:18 p.m.

2 stops13h 18m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 530

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Mon 21/12

9:15 a.m.-10:53 a.m.

3 stops50h 38m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 531

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Thu 17/12

9:45 a.m.-9:46 p.m.

2 stops13h 01m

Kansas City

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 531
Quickest round-trip

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Sun 20/12

2:00 p.m.-7:58 p.m.

1 stop6h 58m

Kansas City

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 534

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Mon 21/12

6:00 a.m.-9:22 p.m.

2 stops16h 22m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 537

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Fri 18/12

6:15 a.m.-9:46 p.m.

1 stop16h 31m

Kansas City

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 549

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Fri 18/12

5:30 a.m.-5:06 p.m.

2 stops12h 36m

Kansas City

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 613

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 29/12

6:15 a.m.-9:22 p.m.

1 stop16h 07m

Lambert-St Louis

Sun 3/1

9:35 a.m.-9:23 p.m.

1 stop10h 48m

C$ 846

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 18 resultsSorted by cheapest first
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Best time to book a flight from Ottawa to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Missouri

What is the cheapest month to book a flight from Ottawa to Missouri?

Currently, April is the cheapest month in which you can book a flight from Ottawa to Missouri (average of C$ 559). Flying from Ottawa to Missouri in February is currently the most expensive (average of C$ 1,103). 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.

Reviews of airlines servicing Missouri

Get a feel of what it's like to fly with United Airlines and Air Canada from Ottawa to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Overall

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Overall

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Overall

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

  • What airport do you fly from for flights from Ottawa to Missouri?

    If you book a flight to Missouri from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

  • How long is the flight from Ottawa to Missouri?

    United Airlines and American Airlines can get you from Ottawa to Missouri in just under 15h 08m. Your travel time can differ by up to 59m. The distance between Ottawa and Missouri is about 1540 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Ottawa to Missouri that include hotel bookings?

    Yes. In addition to deals on Ottawa to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Missouri.

  • Can I find deals for business class flights from Ottawa to Missouri?

    Yes. Cheapflights offers flight deals from Ottawa to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Missouri?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to Missouri (average of C$ 559). Flying from Ottawa to Missouri in February is currently the most expensive (average of C$ 1,103). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ottawa to Missouri

Top 2 airlines flying from Ottawa to Missouri

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 407AverageC$ 625FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 415AverageC$ 899FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Need flexible booking options for your flight to Missouri from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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