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Cheap flights from Ottawa to Missouri from C$ 256

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STL
27 Feb — 6 Mar1
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
Explore the most affordable flight options available from Ottawa to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Wed 11/22:15 p.m.
YOW
-
MCI
1 stop6h 41m
United Airlines
Wed 18/212:37 p.m.
MCI
-
YOW
1 stop5h 18m
United Airlines
Deal found 26/1C$ 418
Tue 17/211:10 a.m.
YOW
-
MCI
1 stop11h 49m
United Airlines
Thu 19/28:00 a.m.
MCI
-
YOW
1 stop12h 18m
United Airlines
Deal found 27/1C$ 432
Tue 24/25:11 p.m.
YOW
-
STL
1 stop4h 54m
United Airlines
Tue 3/36:25 a.m.
STL
-
YOW
1 stop9h 42m
United Airlines
Deal found 26/1C$ 436
Sat 16/57:00 a.m.
YOW
-
STL
1 stop6h 06m
Air Canada
Mon 18/57:30 a.m.
STL
-
YOW
1 stop4h 40m
Air Canada
Deal found 26/1C$ 469
Sat 9/57:00 a.m.
YOW
-
STL
1 stop6h 06m
Air Canada
Sat 16/57:30 a.m.
STL
-
YOW
1 stop6h 40m
Air Canada
Deal found 27/1C$ 487
Sat 9/56:25 a.m.
YOW
-
STL
1 stop5h 23m
United Airlines
Sat 16/57:45 a.m.
STL
-
YOW
2 stops12h 30m
United Airlines
Deal found 27/1C$ 556
Sat 9/55:55 a.m.
YOW
-
STL
2 stops11h 50m
Delta
Sat 16/56:45 a.m.
STL
-
YOW
2 stops9h 50m
Delta
Deal found 27/1C$ 582
Mon 2/25:55 p.m.
YOW
-
STL
1 stop7h 04m
United Airlines
Thu 5/26:30 a.m.
STL
-
YOW
2 stops9h 00m
United Airlines
Deal found 25/1C$ 593
Wed 11/26:40 a.m.
YOW
-
MCI
2 stops12h 23m
American Airlines
Wed 18/24:16 p.m.
MCI
-
YOW
2 stops23h 42m
American Airlines
Deal found 26/1C$ 632
Fri 13/35:00 a.m.
YOW
-
STL
2 stops12h 23m
United Airlines
Fri 20/35:00 a.m.
STL
-
YOW
2 stops9h 23m
United Airlines
Deal found 27/1C$ 633
Thu 26/26:40 a.m.
YOW
-
STL
2 stops10h 02m
American Airlines
Thu 5/37:05 a.m.
STL
-
YOW
2 stops10h 18m
American Airlines
Deal found 27/1C$ 636
Wed 11/24:15 p.m.
YOW
-
MCI
2 stops24h 14m
Multiple Airlines
Wed 18/24:24 p.m.
MCI
-
YOW
3 stops24h 01m
Multiple Airlines
Deal found 26/1C$ 637

Find flight deals from Ottawa to Missouri

Keep the following information in mind while searching for Ottawa to Missouri flight deals. Data was last updated 28 January 2026.

Round-trip from

C$ 418

One-way from

C$ 256

Popular in

October

Cheapest in

April

Average price

C$ 1,274
United Airlines
  • United Airlines
  • 11/2-18/2
  • 2 total stops
  • 11h 59m total
  • Ottawa to Missouri
Search Deals
United Airlines
  • United Airlines
  • 12/3
  • 1 total stop
  • 6h 56m total
  • Ottawa to Missouri
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 417 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Missouri 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 629,999 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Ottawa to Missouri that are best for you.

Fly from

Ottawa

Fly to

Missouri

Route

Depart

Return

Price

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Wed 11/2

2:15 p.m.-7:56 p.m.

1 stop6h 41m

Kansas City

Wed 18/2

12:37 p.m.-6:55 p.m.

1 stop5h 18m

C$ 418

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Tue 17/2

11:10 a.m.-9:59 p.m.

1 stop11h 49m

Kansas City

Thu 19/2

8:00 a.m.-9:18 p.m.

1 stop12h 18m

C$ 432

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 24/2

5:11 p.m.-9:05 p.m.

1 stop4h 54m

Lambert-St Louis

Tue 3/3

6:25 a.m.-2:27 p.m.

2 stops7h 02m

C$ 436

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 26/2

5:11 p.m.-10:59 p.m.

1 stop6h 48m

Lambert-St Louis

Thu 5/3

7:41 a.m.-5:12 p.m.

1 stop8h 31m

C$ 436

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 16/5

7:00 a.m.-12:06 p.m.

1 stop6h 06m

Lambert-St Louis

Mon 18/5

7:30 a.m.-1:10 p.m.

1 stop4h 40m

C$ 469

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 16/5

10:25 a.m.-9:52 p.m.

2 stops12h 27m

Lambert-St Louis

Mon 18/5

7:30 a.m.-1:10 p.m.

1 stop4h 40m

C$ 556

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 9/5

6:25 a.m.-10:48 a.m.

1 stop5h 23m

Lambert-St Louis

Sat 16/5

7:45 a.m.-9:15 p.m.

2 stops12h 30m

C$ 556

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 9/5

5:55 a.m.-4:45 p.m.

2 stops11h 50m

Lambert-St Louis

Sat 16/5

6:45 a.m.-5:35 p.m.

2 stops9h 50m

C$ 582

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Wed 11/2

6:40 a.m.-6:03 p.m.

2 stops12h 23m

Kansas City

Wed 18/2

4:16 p.m.-4:58 p.m.

2 stops23h 42m

C$ 632

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 26/2

6:40 a.m.-3:42 p.m.

2 stops10h 02m

Lambert-St Louis

Thu 5/3

7:05 a.m.-6:23 p.m.

2 stops10h 18m

C$ 636

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 19 results
1
2

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, October is the cheapest month in which you can book a flight from Ottawa to Missouri (average of C$ 328). Flying from Ottawa to Missouri in August is currently the most expensive (average of C$ 653). 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 insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated 28 January 2026.
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.
United Airlines
7.4
Good
9,206 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

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
United Airlines
7.4
Good
9,206 reviews
United Airlines
7.4
Good
9,206 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

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
Air Canada
7.1
Good
10,660 reviews
United Airlines
7.4
Good
9,206 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

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

Find useful and relevant information for your journey from Ottawa to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 Air Canada can get you from Ottawa to Missouri in just under 6h 06m. Your travel time can differ by up to 35m. The distance between Ottawa and Missouri is about 1413 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, October is the cheapest month in which you can book a flight from Ottawa to Missouri (average of C$ 328). Flying from Ottawa to Missouri in August is currently the most expensive (average of C$ 653). 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

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Alternative routes for Ottawa to Missouri

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Top 2 airlines flying from Ottawa to Missouri

Discover the top 2 airlines that operate flights from Ottawa to Missouri. 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 629,999 searches. Data last updated 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 411AverageC$ 884FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 423AverageC$ 643FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Missouri?

Deals for Ottawa to Missouri flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Missouri?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Missouri for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to Missouri with no change fees?

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.

Can Cheapflights notify me if prices for flights from Ottawa to Missouri become cheaper?

Yes! Start tracking prices for Ottawa to Missouri 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.

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