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Cheap flights from Knoxville to Saint John from $869

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Saint John departing on 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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United Airlines Logo
7:00 am - 11:52 pmTYS-YSJ
15h 52m2 stops
United Airlines Logo
11:55 am - 8:46 pmYSJ-TYS
9h 51m2 stops
$869United Airlines
Find Deal
Sun, Apr 5 - Mon, Apr 6
United Airlines Logo
7:00 am - 11:52 pmTYS-YSJ
15h 52m3 stops
United Airlines Logo
11:55 am - 8:46 pmYSJ-TYS
9h 51m2 stops
$1,068United Airlines
Find Deal
Sun, Apr 5 - Mon, Apr 6
Air Canada Logo
9:40 am - 11:52 pmTYS-YSJ
13h 12m2 stops
Air Canada Logo
5:35 am - 10:49 amYSJ-TYS
30h 14m2 stops
$1,078Air Canada
Find Deal
Sun, Apr 5 - Mon, Apr 6

United Airlines flights from Knoxville to Saint John

Our best United Airlines deals on Knoxville to Saint John flight tickets
United Airlines
Apr 5
TYS7:00 amKnoxville McGhee Tyson
15h 52m
2 stops
YSJ11:52 pmSaint John
Apr 6
YSJ11:55 amSaint John
9h 51m
2 stops
TYS8:46 pmKnoxville McGhee Tyson
$869
Find similar
United Airlines
Apr 5
TYS7:00 amKnoxville McGhee Tyson
15h 52m
3 stops
YSJ11:52 pmSaint John
Apr 6
YSJ11:55 amSaint John
9h 51m
2 stops
TYS8:46 pmKnoxville McGhee Tyson
$1,068
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Saint John 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, momondo users made 832,500 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Knoxville to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSaint John

TYS - YSJ

TYSYSJ

Knoxville McGhee Tyson

Sun 4/5

7:00 am-11:52 pm

2 stops15h 52m

Saint John

Mon 4/6

11:55 am-8:46 pm

2 stops9h 51m

$869

KnoxvilleSaint John

TYS - YSJ

TYSYSJ

Knoxville McGhee Tyson

Sun 4/5

7:00 am-11:52 pm

3 stops15h 52m

Saint John

Mon 4/6

11:55 am-8:46 pm

2 stops9h 51m

$1,068

KnoxvilleSaint John

TYS - YSJ

TYSYSJ

Knoxville McGhee Tyson

Sun 4/5

9:40 am-11:52 pm

2 stops13h 12m

Saint John

Mon 4/6

5:35 am-10:49 am

2 stops30h 14m

$1,078

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Knoxville to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Saint John according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Saint John (TYS to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Saint John

Direct flights

None
There are no direct flights from Knoxville to Saint John. There are no popular flight routes from Knoxville to Saint John.
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  • How far is Knoxville McGhee Tyson to Saint John by plane?

    A flight from Knoxville McGhee Tyson to Saint John will travel around 1131.2 mi. A reasonable flight in good conditions will take 13h 12m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Saint John Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Saint John Airport are updated daily.

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Saint John Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Saint John Airport.

  • What documentation or ID do you need to fly to Saint John Airport?

    The necessary travel and health documents for your Saint John Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Knoxville to Saint John?

    Confirm your travel details to search for the latest offers for flights from Knoxville to Saint John. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Knoxville to Saint John with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Bridgetown

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Saint John?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Saint John. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to Saint John with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint John from Knoxville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Knoxville to Saint John?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint John from Knoxville.

I’m not ready to book a flight from Knoxville to Saint John right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Knoxville to Saint John now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint John and let you know when they change.

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