$630+ Cheap flights from Knoxville (TYS) to Ottawa (YOW)
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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YOW
Sep 24 — Oct 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Knoxville to Ottawa with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Ottawa
Cheapest
Best
Cheapest flights from Knoxville to OttawaExplore the most affordable flight options available from Knoxville to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
Explore the most affordable flight options available from Knoxville to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 am -
1 stop4h 11m
Sat 10/176:00 am -
1 stop4h 37m
Deal found 8/24![United Airlines logo]()
$630
This Air Canada deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:35 pm -
2 stops8h 17m
Sat 10/172:52 pm -
1 stop5h 27m
Deal found 8/20![Air Canada logo]()
$813
This WestJet deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:40 am -
2 stops13h 40m
Sat 10/176:55 am -
2 stops13h 13m
Deal found 8/23![WestJet logo]()
$1,348
Best flights from Knoxville to OttawaDiscover carefully curated flight deals from Knoxville to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Knoxville to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 am -
1 stop4h 11m
Sat 10/176:00 am -
1 stop4h 37m
Deal found 8/24![United Airlines logo]()
$630
This Air Canada deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:35 pm -
2 stops8h 17m
Sat 10/1712:15 pm -
2 stops8h 04m
Deal found 8/21![Air Canada logo]()
$819
This WestJet deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:40 am -
2 stops13h 40m
Sat 10/176:55 am -
2 stops13h 13m
Deal found 8/23![WestJet logo]()
$1,348
Find flight deals from Knoxville to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $630 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville 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 7,457,451 searches. Data last updated August 25, 2026.
Use the filters below to find and compare flights from Knoxville to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KnoxvilleOttawa
TYS Knoxville McGhee Tyson - YOW Ottawa
TYSYOW
Knoxville McGhee Tyson
Wed 10/14
5:45 am-9:56 am
1 stop4h 11m
Ottawa
Sat 10/17
6:00 am-10:37 am
1 stop4h 37m
$630
KnoxvilleOttawa
TYS Knoxville McGhee Tyson - YOW Ottawa
TYSYOW
Knoxville McGhee Tyson
Wed 10/14
1:35 pm-9:52 pm
2 stops8h 17m
Ottawa
Sat 10/17
12:15 pm-8:19 pm
2 stops8h 04m
$819
KnoxvilleOttawa
TYS Knoxville McGhee Tyson - YOW Ottawa
TYSYOW
Knoxville McGhee Tyson
Wed 10/14
5:40 am-7:20 pm
2 stops13h 40m
Ottawa
Sat 10/17
6:55 am-8:08 pm
2 stops13h 13m
$1,348
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Knoxville-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Knoxville with our price prediction graph.
TYS-YOW
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.
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated August 25, 2026.
See what other customers who have flown with United Airlines from Knoxville to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Knoxville
Ottawa flight routes
Popular flights
Alternative routes for Knoxville to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Knoxville to Ottawa by cabin class
Find flights from Knoxville to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Ottawa flights
Browse other Knoxville and Ottawa flight options. Last updated on August 25, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Other flights to Ottawa
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Knoxville to Ottawa
Discover the top airline that operate flights from Knoxville to Ottawa. 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 August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$708 | FlexibilityNo cancel fee | On-time69% |