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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STL
9 Dec — 16 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from Ottawa to Missouri
Enter your travel dates to find the best prices.
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Best
Last-minute
One-way
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 9 November 2026.
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
Best flights from Ottawa to Missouri
Discover carefully curated flight deals from Ottawa to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.
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
Sun 20/127:00 a.m. -
3 stops15h 08m
Sun 27/126:44 p.m. -
3 stops22h 12m
Deal found 5/11C$ 2,115
Wed 6/14:36 p.m. -
1 stop6h 10m
Thu 7/17:31 a.m. -
2 stops13h 25m
Deal found 7/11C$ 963
Thu 8/45:20 p.m. -
1 stop4h 49m
Thu 15/48:00 a.m. -
1 stop8h 14m
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
Mon 1/24:36 p.m. -
1 stop7h 44m
Sat 13/25:00 a.m. -
1 stop15h 18m
Deal found 5/11C$ 986
Mon 22/26:00 a.m. -
1 stop11h 59m
Fri 26/26:02 a.m. -
1 stop7h 07m
Deal found 5/11C$ 986
Sun 20/129:45 a.m. -
2 stops14h 42m
Sun 27/127:45 a.m. -
2 stops13h 11m
Deal found 5/11C$ 1,304
Last-minute flights from Ottawa to Missouri
Discover last-minute flight deals from Ottawa to Missouri. Data last updated 9 November 2026 and is based on user searches.
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
Sat 21/116:15 a.m. -
1 stop10h 28m
Sat 28/117:30 a.m. -
1 stop5h 39m
Deal found 4/11C$ 1,133
Sat 21/1110:00 a.m. -
1 stop6h 26m
Sat 28/118:30 a.m. -
1 stop4h 39m
Deal found 7/11C$ 1,181
Tue 8/126:00 a.m. -
1 stop17h 15m
Wed 9/1211:00 a.m. -
1 stop9h 56m
Deal found 4/11C$ 941
Sat 19/129:45 a.m. -
1 stop15h 14m
Sat 26/126:00 a.m. -
1 stop14h 23m
Deal found 4/11C$ 985
Sun 20/129:45 a.m. -
2 stops14h 42m
Sun 27/127:45 a.m. -
2 stops13h 11m
Deal found 5/11C$ 1,304
Sun 20/127:00 a.m. -
3 stops15h 08m
Sun 27/126:00 a.m. -
2 stops10h 56m
Deal found 5/11C$ 1,819
Wed 23/126:00 a.m. -
2 stops16h 22m
Sun 3/16:58 p.m. -
2 stops19h 09m
Deal found 6/11C$ 975
Fri 25/124:42 p.m. -
1 stop7h 56m
Sun 27/126:00 a.m. -
2 stops14h 50m
Deal found 5/11C$ 1,144
Fri 25/127:00 a.m. -
3 stops30h 00m
Sun 27/1212:45 p.m. -
3 stops33h 55m
Deal found 5/11C$ 1,749
Tue 29/126:00 a.m. -
2 stops9h 18m
Sun 3/15:20 a.m. -
1 stop15h 03m
Deal found 8/11C$ 846
One-way flights from Ottawa to Missouri
Search for one-way flight options from Ottawa to Missouri. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.
Wed 16/128:00 a.m. -
2 stops12h 35m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 501
Wed 16/124:36 p.m. -
1 stop7h 46m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 523
Sun 20/126:00 a.m. -
2 stops13h 18m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 530
Mon 21/129:15 a.m. -
3 stops50h 38m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/11C$ 531
Thu 17/129:45 a.m. -
2 stops13h 01m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 531
Sun 20/122:00 p.m. -
1 stop6h 58m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 534
Mon 21/126:00 a.m. -
2 stops16h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/11C$ 537
Fri 18/126:15 a.m. -
1 stop16h 31m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 549
Thu 17/1212:15 p.m. -
3 stops32h 41m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 575
Fri 18/125:30 a.m. -
2 stops12h 36m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 613
Fri 18/1210:20 a.m. -
3 stops34h 36m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 705
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 9 November 2026.
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 7,457,451 searches. Data last updated 9 November 2026.
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
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.
YOW-STL
YOW-COU
YOW-MCI
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
YOW-USMO
YOW-STL
YOW-COU
YOW-MCI
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 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 9 November 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.
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 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.
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 7,457,451 searches. Data last updated 9 November 2026.
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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