How long is the flight from Knoxville to Ottawa?

Airlines like United Airlines and American Airlines fly from Knoxville to Ottawa in about 10h 57m. The time it takes to get you to your destination can typically vary by up to 1h 46m. The distance from Knoxville to Ottawa is about 788 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Currently priced at $362, 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.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

What is the cheapest time of day to fly from TYS to YOW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Ottawa as you normally would.

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.

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.

$439+ Cheap Flights from Knoxville to Ottawa

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Cheap flight deals from Knoxville to Ottawa

Cheapest

Best

Last-minute

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 18, 2026.

Thu 10/229:05 am -

2 stops15h 15m

Tue 10/2710:35 am -

1 stop27h 23m

Deal found 8/18

$439

Tue 12/154:41 pm -

1 stop24h 03m

Tue 1/58:00 am -

1 stop11h 16m

Deal found 8/15

$485

Sat 8/226:56 pm -

2 stops22h 39m

Wed 9/92:20 pm -

1 stop22h 21m

Deal found 8/14

$514

Sun 8/231:21 pm -

2 stops31h 59m

Fri 9/112:20 pm -

1 stop24h 41m

Deal found 8/16

$615

Mon 8/242:51 pm -

1 stop8h 57m

Wed 9/96:25 pm -

2 stops38h 16m

Deal found 8/16

$634

Mon 8/242:51 pm -

1 stop8h 57m

Fri 9/112:20 pm -

1 stop24h 41m

Deal found 8/16

$640

Mon 8/242:51 pm -

1 stop8h 57m

Thu 9/107:00 am -

2 stops25h 41m

Deal found 8/16

$644

Sun 8/231:21 pm -

2 stops31h 59m

Thu 9/102:10 pm -

1 stop22h 54m

Deal found 8/16

$645

Sat 8/226:56 pm -

2 stops26h 24m

Fri 9/112:20 pm -

1 stop24h 41m

Deal found 8/16

$646

Best flights from Knoxville to Ottawa
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 18, 2026.

Thu 10/229:05 am -

2 stops15h 15m

Tue 10/2710:35 am -

1 stop27h 23m

Deal found 8/18

$439

Tue 12/158:30 am -

2 stops10h 57m

Tue 1/59:45 am -

2 stops11h 09m

Deal found 8/15

$711

Thu 10/227:17 am -

2 stops12h 43m

Tue 10/277:00 am -

2 stops14h 33m

Deal found 8/18

$745

Sun 10/255:45 am -

2 stops8h 27m

Thu 10/296:40 am -

2 stops12h 56m

Deal found 8/14

$856

Sun 10/255:20 pm -

1 stop4h 36m

Thu 10/292:00 pm -

1 stop5h 36m

Deal found 8/13

$769

Last-minute flights from Knoxville to Ottawa
Discover last-minute flight deals from Knoxville to Ottawa. Data last updated August 18, 2026 and is based on user searches.

Sat 8/226:56 pm -

2 stops22h 39m

Wed 9/92:20 pm -

1 stop22h 21m

Deal found 8/14

$514

Sat 8/226:56 pm -

2 stops26h 24m

Fri 9/112:20 pm -

1 stop24h 41m

Deal found 8/16

$646

Sat 8/226:56 pm -

2 stops26h 24m

Thu 9/102:10 pm -

1 stop22h 54m

Deal found 8/16

$676

Sun 8/231:21 pm -

2 stops31h 59m

Fri 9/112:20 pm -

1 stop24h 41m

Deal found 8/16

$615

Sun 8/231:21 pm -

2 stops31h 59m

Thu 9/102:10 pm -

1 stop22h 54m

Deal found 8/16

$645

Sun 8/239:30 am -

1 stop7h 53m

Wed 9/96:25 pm -

2 stops27h 15m

Deal found 8/16

$671

Mon 8/242:51 pm -

1 stop8h 57m

Wed 9/96:25 pm -

2 stops38h 16m

Deal found 8/16

$634

Mon 8/242:51 pm -

1 stop8h 57m

Fri 9/112:20 pm -

1 stop24h 41m

Deal found 8/16

$640

Mon 8/242:51 pm -

1 stop8h 57m

Thu 9/107:00 am -

2 stops25h 41m

Deal found 8/16

$644

Find flight deals from Knoxville to Ottawa

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$439 (Kiwi.com)

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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleOttawa

TYS Knoxville McGhee Tyson - YOW Ottawa

TYSYOW

Knoxville McGhee Tyson

Thu 10/22

9:05 am-12:20 am

2 stops15h 15m

Ottawa

Tue 10/27

10:35 am-1:58 pm

1 stop27h 23m

$439

KnoxvilleOttawa

TYS Knoxville McGhee Tyson - YOW Ottawa

TYSYOW

Knoxville McGhee Tyson

Tue 12/15

8:30 am-7:27 pm

2 stops10h 57m

Ottawa

Tue 1/5

9:45 am-8:54 pm

2 stops11h 09m

$711

KnoxvilleOttawa

TYS Knoxville McGhee Tyson - YOW Ottawa

TYSYOW

Knoxville McGhee Tyson

Thu 10/22

7:17 am-8:00 pm

2 stops12h 43m

Ottawa

Tue 10/27

7:00 am-9:33 pm

2 stops14h 33m

$745

Quickest round-trip

KnoxvilleOttawa

TYS Knoxville McGhee Tyson - YOW Ottawa

TYSYOW

Knoxville McGhee Tyson

Sun 10/25

5:20 pm-9:56 pm

1 stop4h 36m

Ottawa

Thu 10/29

2:00 pm-7:36 pm

1 stop5h 36m

$769

KnoxvilleOttawa

TYS Knoxville McGhee Tyson - YOW Ottawa

TYSYOW

Knoxville McGhee Tyson

Sun 10/25

5:45 am-2:12 pm

2 stops8h 27m

Ottawa

Thu 10/29

6:40 am-7:36 pm

2 stops12h 56m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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

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

10,100 reviews

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

10,100 reviews

United Airlines

7.4

Good

10,100 reviews

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

How long is the flight from Knoxville to Ottawa?
Airlines like United Airlines and American Airlines fly from Knoxville to Ottawa in about 10h 57m. The time it takes to get you to your destination can typically vary by up to 1h 46m. The distance from Knoxville to Ottawa is about 788 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What is the cheapest airline to fly from Knoxville to Ottawa round-trip?
Currently priced at $362, 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

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Top airline flying from Knoxville to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$362	Average$708	FlexibilityNo cancel fee	On-time69%

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$439+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Ottawa with Cheapflights

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Cheap flight deals from Knoxville to Ottawa

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 18, 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 18, 2026.

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 18, 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 18, 2026.

Last-minute flights from Knoxville to OttawaDiscover last-minute flight deals from Knoxville to Ottawa. Data last updated August 18, 2026 and is based on user searches.

Discover last-minute flight deals from Knoxville to Ottawa. Data last updated August 18, 2026 and is based on user searches.

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Use the filters below to find and compare flights from Knoxville to Ottawa that are best for you.

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.

Reviews of airlines servicing Ottawa

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.

Related info for your journey

How long is the flight from Knoxville to Ottawa?

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

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

How can I find direct flights from Knoxville to Ottawa?

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

Traveling to a place near Ottawa?

Browse thousands of different options on Cheapflights for your next trip

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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 18, 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 18, 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 18, 2026.

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Top airline flying from Knoxville to Ottawa

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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 18, 2026.

Best flights from Knoxville to Ottawa
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 18, 2026.

Last-minute flights from Knoxville to Ottawa
Discover last-minute flight deals from Knoxville to Ottawa. Data last updated August 18, 2026 and is based on user searches.