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$492+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YOW
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Knoxville to Ottawa

Cheapest flights from Knoxville to Ottawa
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 1, 2026.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 9/246:00 am
TYS
-
YOW
1 stop15h 35m
United Airlines
Mon 9/287:30 pm
YOW
-
TYS
1 stop15h 07m
United Airlines
Deal found 7/29$614
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/207:00 am
TYS
-
YOW
1 stop10h 16m
United Airlines
Wed 8/2610:00 am
YOW
-
TYS
1 stop10h 24m
United Airlines
Deal found 7/30$700
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 8/147:00 am
TYS
-
YOW
1 stop14h 35m
United Airlines
Mon 8/1710:37 am
YOW
-
TYS
1 stop6h 21m
United Airlines
Deal found 7/28$719
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Thu 9/241:35 pm
TYS
-
YOW
2 stops8h 17m
Air Canada
Mon 9/2812:15 pm
YOW
-
TYS
2 stops8h 04m
Air Canada
Deal found 7/30$786

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 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$614
(United Airlines)
Provider with most accurate pricing for Knoxville McGhee Tyson-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Ottawa flights.
Search Deals
From Knoxville McGhee Tyson to Ottawa
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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 2,558,603 searches. Data last updated August 1, 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

Price

Cheapest round-trip

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 11/5

8:55 am-5:20 pm

1 stop8h 25m

Ottawa

Thu 11/12

3:25 pm-11:59 am

2 stops20h 34m

$492

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 9/24

6:00 am-9:35 pm

1 stop15h 35m

Ottawa

Mon 9/28

7:30 pm-10:37 am

1 stop15h 07m

$614

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 8/20

1:00 pm-6:55 pm

1 stop5h 55m

Ottawa

Wed 8/26

6:00 am-4:58 pm

3 stops10h 58m

$710

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Fri 8/14

7:00 am-9:35 pm

1 stop14h 35m

Ottawa

Mon 8/17

10:37 am-4:58 pm

1 stop6h 21m

$719
Quickest round-trip

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 9/24

1:35 pm-9:52 pm

2 stops8h 17m

Ottawa

Mon 9/28

12:15 pm-8:19 pm

2 stops8h 04m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.
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 1, 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.
United Airlines
7.4
Good
10,062 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Knoxville to Ottawa?

    Airlines like United Airlines fly from Knoxville to Ottawa in about 15h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Knoxville to Ottawa is about 788 mi.

  • What is the cheapest airline to fly from Knoxville to Ottawa round-trip?

    Currently priced at $381, United Airlines will fly you from Knoxville to Ottawa and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville 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.

See more FAQs

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau

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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 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$381Average$708FlexibilityNo cancel feeOn-time69%

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