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Cheap flights from Ottawa to Missouri from C$ 246
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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STL
14 Oct — 21 Oct1
Cheap flight deals from Ottawa to Missouri
Keep the following information in mind while searching for Ottawa to Missouri flight deals. Data was last updated 14 September 2025.
Find flight deals from Ottawa to Missouri
Cheapest flights from Ottawa to MissouriExplore 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 14 September 2025.
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 14 September 2025.
Fri 17/104:25 p.m.YOW - MCI
1 stop30h 34mMultiple Airlines
Sat 1/115:19 p.m.MCI - YOW
2 stops31h 23mMultiple Airlines
Deal found 12/9C$ 548
Mon 27/109:30 a.m.YOW - STL
2 stops24h 37mMultiple Airlines
Mon 3/112:12 p.m.STL - YOW
1 stop26h 01mMultiple Airlines
Deal found 12/9C$ 601
Wed 10/124:20 p.m.YOW - MCI
1 stop21h 19mMultiple Airlines
Wed 7/11:44 p.m.MCI - YOW
2 stops31h 10mMultiple Airlines
Deal found 12/9C$ 612
Wed 10/126:20 a.m.YOW - MCI
2 stops15h 27mUnited Airlines
Wed 7/15:45 a.m.MCI - YOW
2 stops15h 11mUnited Airlines
Deal found 12/9C$ 711
Fri 17/107:29 p.m.YOW - MCI
2 stops16h 08mUnited Airlines
Sat 1/115:30 p.m.MCI - YOW
2 stops20h 02mUnited Airlines
Deal found 12/9C$ 779
Wed 17/97:00 a.m.YOW - MCI
2 stops17h 07mMultiple Airlines
Tue 23/95:15 a.m.MCI - YOW
1 stop10h 42mMultiple Airlines
Deal found 14/9C$ 782
Mon 27/105:55 p.m.YOW - MCI
2 stops16h 01mUnited Airlines
Mon 3/116:35 p.m.MCI - YOW
2 stops17h 57mUnited Airlines
Deal found 12/9C$ 860
Mon 27/105:55 p.m.YOW - STL
2 stops22h 52mUnited Airlines
Mon 3/114:43 p.m.STL - YOW
2 stops16h 43mUnited Airlines
Deal found 12/9C$ 938
Fri 26/93:35 p.m.YOW - STL
2 stops24h 04mMultiple Airlines
Mon 29/91:57 p.m.STL - YOW
1 stop26h 00mMultiple Airlines
Deal found 13/9C$ 962
Sat 13/93:50 p.m.YOW - STL
1 stop18h 50mMultiple Airlines
Sun 14/94:00 p.m.STL - YOW
2 stops24h 20mMultiple Airlines
Deal found 11/9C$ 1,123
Fri 26/910:25 a.m.YOW - STL
2 stops10h 17mUnited Airlines
Mon 29/96:30 a.m.STL - YOW
2 stops6h 43mUnited Airlines
Deal found 13/9C$ 1,143
Wed 17/95:55 a.m.YOW - MCI
2 stops8h 20mWestJet
Tue 23/96:03 p.m.MCI - YOW
2 stops11h 42mWestJet
Deal found 14/9C$ 1,280
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 14 September 2025.
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
Fri 17/10
4:25 p.m.-9:59 p.m.
1 stop30h 34m
Kansas City
Sat 1/11
5:19 p.m.-1:42 a.m.
2 stops31h 23m
C$ 548
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Mon 27/10
9:30 a.m.-9:07 a.m.
2 stops24h 37m
Lambert-St Louis
Mon 3/11
2:12 p.m.-5:13 p.m.
1 stop26h 01m
C$ 601
OttawaKansas City
YOW - MCI
YOWMCI
Ottawa
Wed 10/12
4:20 p.m.-12:39 p.m.
1 stop21h 19m
Kansas City
Wed 7/1
1:44 p.m.-9:54 p.m.
2 stops31h 10m
C$ 612
OttawaKansas City
YOW - MCI
YOWMCI
Ottawa
Fri 17/10
7:29 p.m.-10:37 a.m.
2 stops16h 08m
Kansas City
Sat 1/11
5:30 p.m.-2:32 p.m.
2 stops20h 02m
C$ 779
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Tue 3/3
5:14 p.m.-9:00 p.m.
1 stop4h 46m
Lambert-St Louis
Wed 4/3
7:00 a.m.-1:34 p.m.
1 stop5h 34m
C$ 810
OttawaKansas City
YOW - MCI
YOWMCI
Ottawa
Mon 27/10
7:30 p.m.-8:56 a.m.
2 stops14h 26m
Kansas City
Mon 3/11
6:35 p.m.-10:26 a.m.
1 stop14h 51m
C$ 860
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Mon 27/10
5:55 p.m.-3:47 p.m.
2 stops22h 52m
Lambert-St Louis
Mon 3/11
4:43 p.m.-10:26 a.m.
2 stops16h 43m
C$ 938
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Sat 4/10
3:50 p.m.-10:02 a.m.
1 stop19h 12m
C$ 246
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Mon 29/9
7:50 a.m.-9:06 a.m.
3 stops26h 16m
C$ 313
OttawaKansas City
YOW - MCI
YOWMCI
Ottawa
Wed 29/10
7:25 p.m.-10:17 a.m.
3 stops39h 52m
C$ 343
Showing 1-10 of 18 results
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, January is the cheapest month in which you can book a flight from Ottawa to Missouri (average of C$ 365). Flying from Ottawa to Missouri in September is currently the most expensive (average of C$ 491). 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.
What is the cheapest time of day to fly from YOW to MO?
Find hourly flight availability from Ottawa to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to Missouri as you normally would.
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 14 September 2025.
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.
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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.
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Alternative routes for Ottawa to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
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 14 September 2025.
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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.