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Cheap flights from Missouri to Ottawa from C$ 937

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YOW
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Missouri to Ottawa
Explore the most affordable flight options available from Missouri to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Mon 24/85:39 p.m. -
1 stop5h 15m
Sun 30/86:00 a.m. -
3 stops11h 07m
Deal found 3/8C$ 937
Mon 24/86:36 p.m. -
2 stops14h 20m
Sun 30/86:25 a.m. -
1 stop6h 55m
Deal found 3/8C$ 940
Sat 19/911:22 a.m. -
1 stop4h 54m
Wed 23/92:52 p.m. -
1 stop5h 40m
Deal found 3/8C$ 965
Wed 2/910:00 a.m. -
1 stop10h 35m
Tue 8/95:57 p.m. -
1 stop7h 02m
Deal found 4/8C$ 967
Thu 3/95:39 p.m. -
1 stop5h 15m
Thu 10/96:00 a.m. -
3 stops11h 12m
Deal found 5/8C$ 981
Mon 21/96:45 p.m. -
2 stops18h 32m
Mon 28/97:30 p.m. -
2 stops17h 50m
Deal found 7/8C$ 986
Sat 17/107:30 a.m. -
1 stop5h 39m
Wed 21/109:55 a.m. -
2 stops7h 07m
Deal found 6/8C$ 1,094
Sat 19/97:32 a.m. -
2 stops11h 20m
Wed 23/99:55 a.m. -
2 stops7h 17m
Deal found 2/8C$ 1,101
Mon 24/87:39 p.m. -
2 stops18h 16m
Sun 30/87:00 a.m. -
3 stops14h 24m
Deal found 3/8C$ 1,256

Find flight deals from Missouri to Ottawa

Keep the following information in mind while searching for Missouri to Ottawa flight deals. Data was last updated 7 August 2026.

Round-trip from

C$ 937

Popular in

September

Cheapest in

December

Average price

C$ 839
United Airlines
  • United Airlines
  • 24/8-30/8
  • 2 total stops
  • 11h 25m total
  • Missouri to Ottawa
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Ottawa 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 7 August 2026.
Use the filters below to find and compare flights from Missouri to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityOttawa

MCI Kansas City - YOW Ottawa

MCIYOW

Kansas City

Mon 24/8

5:39 p.m.-11:54 p.m.

1 stop5h 15m

Ottawa

Sun 30/8

6:00 a.m.-4:07 p.m.

3 stops11h 07m

C$ 937

Kansas CityOttawa

MCI Kansas City - YOW Ottawa

MCIYOW

Kansas City

Thu 3/9

6:00 a.m.-5:16 p.m.

1 stop10h 16m

Ottawa

Thu 10/9

10:37 a.m.-5:43 p.m.

1 stop8h 06m

C$ 965
Quickest round-trip

Kansas CityOttawa

MCI Kansas City - YOW Ottawa

MCIYOW

Kansas City

Sat 19/9

11:22 a.m.-5:16 p.m.

1 stop4h 54m

Ottawa

Wed 23/9

2:52 p.m.-7:32 p.m.

1 stop5h 40m

C$ 965

Kansas CityOttawa

MCI Kansas City - YOW Ottawa

MCIYOW

Kansas City

Wed 2/9

10:00 a.m.-9:35 p.m.

1 stop10h 35m

Ottawa

Tue 8/9

5:57 p.m.-11:59 p.m.

1 stop7h 02m

C$ 965

Kansas CityOttawa

MCI Kansas City - YOW Ottawa

MCIYOW

Kansas City

Mon 11/1

3:22 p.m.-9:31 p.m.

1 stop5h 09m

Ottawa

Fri 15/1

4:36 p.m.-9:49 p.m.

1 stop6h 13m

C$ 965

Kansas CityOttawa

MCI Kansas City - YOW Ottawa

MCIYOW

Kansas City

Sat 17/10

7:30 a.m.-2:09 p.m.

1 stop5h 39m

Ottawa

Wed 21/10

10:37 a.m.-4:02 p.m.

1 stop6h 25m

C$ 965

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first

Best time to book a flight from Missouri to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Missouri 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 Missouri to Ottawa

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

Currently, July is the cheapest month in which you can book a flight from Missouri to Ottawa (average of C$ 451). Flying from Missouri to Ottawa in October is currently the most expensive (average of C$ 1,002). 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.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Ottawa. 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 into for flights to Ottawa from Missouri?

    If you book a flight to Ottawa from Missouri, you will be flying to 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 Missouri to Ottawa?

    Airlines like United Airlines fly from Missouri to Ottawa in about 5h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from Missouri to Ottawa is about 1698 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Ottawa 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 Missouri to Ottawa?

    Currently, July is the cheapest month in which you can book a flight from Missouri to Ottawa (average of C$ 451). Flying from Missouri to Ottawa in October is currently the most expensive (average of C$ 1,002). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Prescott
Brockville
Wakefield
Pembroke
Smiths Falls

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Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from Missouri.

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

Need flexible booking options for your flight to Ottawa from Missouri? 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 Missouri to Ottawa become cheaper?

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