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$142+ Cheap flights from Knoxville (TYS) to Ottawa (YOW)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YOW
May 10 — May 171
Sun 5/10
Sun 5/17
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 April 10, 2026.

This United Airlines deal was found by Cheapflights users on 4/5. 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 7/246:30 am
TYS
-
YOW
1 stop15h 05m
United Airlines
Mon 7/277:30 pm
YOW
-
TYS
1 stop4h 24m
United Airlines
Deal found 4/5$341
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Mon 7/275:45 am
TYS
-
YOW
1 stop8h 32m
United Airlines
Tue 9/16:25 am
YOW
-
TYS
1 stop10h 34m
United Airlines
Deal found 4/6$363
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Mon 6/227:19 pm
TYS
-
YOW
1 stop14h 44m
United Airlines
Mon 6/297:30 pm
YOW
-
TYS
1 stop4h 24m
United Airlines
Deal found 4/9$384
This United Airlines deal was found by Cheapflights users on 4/9. 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 8/76:30 am
TYS
-
YOW
1 stop15h 05m
United Airlines
Mon 8/106:00 am
YOW
-
TYS
1 stop4h 42m
United Airlines
Deal found 4/9$387
This United Airlines deal was found by Cheapflights users on 4/6. 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 7/295:45 am
TYS
-
YOW
2 stops9h 25m
United Airlines
Wed 7/295:20 pm
YOW
-
TYS
1 stop16h 13m
United Airlines
Deal found 4/6$421
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:10 am
TYS
-
YOW
1 stop5h 10m
Multiple Airlines
Tue 9/17:00 am
YOW
-
TYS
2 stops27h 04m
Multiple Airlines
Deal found 4/6$431
This Air Canada deal was found by Cheapflights users on 4/8. 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.
Tue 5/57:18 pm
TYS
-
YOW
2 stops14h 23m
Air Canada
Fri 5/87:30 pm
YOW
-
TYS
1 stop15h 19m
Air Canada
Deal found 4/8$447
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 4/1810:49 am
TYS
-
YOW
1 stop6h 18m
United Airlines
Sat 4/252:40 pm
YOW
-
TYS
1 stop5h 02m
United Airlines
Deal found 4/6$449
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 5/57:18 pm
TYS
-
YOW
2 stops17h 47m
United Airlines
Tue 5/126:00 am
YOW
-
TYS
1 stop8h 34m
United Airlines
Deal found 4/6$452

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(United Airlines)

One-way from

$142
(Kiwi.com)
Provider with most accurate pricing for Knoxville McGhee Tyson-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Ottawa flights.
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From Knoxville McGhee Tyson to Ottawa
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One-way flight 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 April 10, 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

Fri 7/24

6:30 am-9:35 pm

1 stop15h 05m

Ottawa

Mon 7/27

7:30 pm-11:54 pm

1 stop4h 24m

$341

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Fri 8/7

6:30 am-9:35 pm

1 stop15h 05m

Ottawa

Mon 8/10

6:00 am-10:42 am

1 stop4h 42m

$387

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Tue 5/5

7:00 am-9:16 pm

3 stops14h 16m

Ottawa

Fri 5/8

10:44 am-4:54 pm

1 stop6h 10m

$457
Quickest round-trip

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Fri 7/24

5:45 am-6:48 pm

1 stop13h 03m

Ottawa

Mon 7/27

7:30 pm-11:54 pm

1 stop4h 24m

$460

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Wed 7/29

6:30 am-5:10 pm

2 stops10h 40m

Ottawa

Tue 8/4

2:00 pm-11:54 pm

2 stops9h 54m

$467
Cheapest one-way

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 5/14

9:40 pm-3:00 pm

1 stop17h 20m

$142

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Tue 5/12

7:18 pm-10:03 am

1 stop14h 45m

$153

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Wed 5/13

4:25 pm-12:20 am

2 stops31h 55m

$172

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 5/14

1:59 pm-12:20 am

2 stops10h 21m

$198
Quickest one-way

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Mon 9/7

6:30 am-1:59 pm

1 stop7h 29m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

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 April 10, 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
9,562 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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
9,562 reviews
United Airlines
7.4
Good
9,562 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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 05m. 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
Petawawa

Browse thousands of different options on Cheapflights for your next trip

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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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$381Average$910FlexibilityNo cancel feeOn-time69%

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