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Cheap flights from Knoxville to Buenos Aires from $1,276

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 Buenos Aires departing on 3/5. 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

Enter your travel dates to find the best prices.
United Airlines Logo
11:40 am - 9:20 am
TYS
-
EZE
19h 40m1 stop
United Airlines Logo
9:05 pm - 6:10 pm
EZE
-
TYS
22h 05m1 stop
$1,276United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
9:00 am - 9:20 am
TYS
-
EZE
22h 20m1 stop
United Airlines Logo
9:05 pm - 5:45 pm
EZE
-
TYS
21h 40m2 stops
$1,280United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
7:00 am - 7:20 am
TYS
-
EZE
22h 20m1 stop
United Airlines Logo
10:05 pm - 7:50 pm
EZE
-
TYS
23h 45m1 stop
$1,756United Airlines
Fri, Jan 2 - Sat, Jan 17
United Airlines Logo
6:45 am - 7:20 am
TYS
-
EZE
22h 35m2 stops
United Airlines Logo
10:05 pm - 7:50 pm
EZE
-
TYS
23h 45m1 stop
$1,760United Airlines
Fri, Jan 2 - Sat, Jan 17
United Airlines Logo
7:00 am - 7:20 am
TYS
-
EZE
22h 20m1 stop
United Airlines Logo
11:55 pm - 7:50 pm
EZE
-
TYS
21h 55m1 stop
$1,856United Airlines
Fri, Jan 2 - Sat, Jan 17
United Airlines Logo
5:45 am - 7:20 am
TYS
-
EZE
23h 35m2 stops
United Airlines Logo
11:55 pm - 7:50 pm
EZE
-
TYS
21h 55m1 stop
$1,860United Airlines
Fri, Jan 2 - Sat, Jan 17

United Airlines flights from Knoxville to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on Knoxville to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Mar 5
TYS11:40 amKnoxville McGhee Tyson
19h 40m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 9
EZE9:05 pmBuenos Aires Ministro Pistarini
22h 05m
1 stop
TYS6:10 pmKnoxville McGhee Tyson
$1,276
Find similar
United Airlines
Mar 5
TYS11:40 amKnoxville McGhee Tyson
19h 40m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 9
EZE10:55 pmBuenos Aires Ministro Pistarini
22h 52m
2 stops
TYS8:47 pmKnoxville McGhee Tyson
$1,280
Find similar
United Airlines
Jan 2
TYS7:00 amKnoxville McGhee Tyson
22h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Jan 17
EZE10:05 pmBuenos Aires Ministro Pistarini
23h 45m
1 stop
TYS7:50 pmKnoxville McGhee Tyson
$1,756
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Buenos Aires Ministro Pistarini Airport 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 December 23, 2025.
Use the filters below to find and compare flights from Knoxville to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 3/5

11:40 am-9:20 am

1 stop19h 40m

Buenos Aires Ministro Pistarini

Mon 3/9

9:05 pm-6:10 pm

1 stop22h 05m

$1,276

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 3/5

9:00 am-9:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Mon 3/9

9:05 pm-5:45 pm

2 stops21h 40m

$1,280

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 1/2

7:00 am-7:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Sat 1/17

10:05 pm-7:50 pm

1 stop23h 45m

$1,756

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 1/2

6:45 am-7:20 am

2 stops22h 35m

Buenos Aires Ministro Pistarini

Sat 1/17

10:05 pm-7:50 pm

1 stop23h 45m

$1,760

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 1/2

7:00 am-7:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Sat 1/17

11:55 pm-7:50 pm

1 stop21h 55m

$1,856

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 1/2

5:45 am-7:20 am

2 stops23h 35m

Buenos Aires Ministro Pistarini

Sat 1/17

11:55 pm-7:50 pm

1 stop21h 55m

$1,860

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Knoxville to Buenos Aires Ministro Pistarini Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

Our data shows that Wednesday is the least expensive day to fly to Buenos Aires Ministro Pistarini Airport. Tickets to fly out on this day can be as low as $1,295. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires Ministro Pistarini Airport on Friday is $1,323.

What is the cheapest time of day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

According to our data, the cheapest time of day to fly to Buenos Aires Ministro Pistarini Airport is in the afternoon. momondo users have found flights departing from Knoxville to Buenos Aires Ministro Pistarini Airport in the afternoon for as low as $1,288. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,295 on average. Flights to Buenos Aires Ministro Pistarini Airport from Knoxville in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Knoxville to Buenos Aires Ministro Pistarini Airport

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

Cheap Knoxville to Buenos Aires Ministro Pistarini Airport (TYS to EZE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Buenos Aires Ministro Pistarini Airport

Fastest flight time

17h 40m

Direct flights

None
The fastest flight from Knoxville to Buenos Aires Ministro Pistarini Airport takes 17h 40m
There are no direct flights from Knoxville to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Knoxville to Buenos Aires Ministro Pistarini Airport.
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  • How far is Knoxville McGhee Tyson to Buenos Aires Ministro Pistarini by plane?

    The straight-line distance from Knoxville McGhee Tyson to Buenos Aires Ministro Pistarini is 5153.1 mi. A reasonable flight in good conditions will take 17h 40m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Buenos Aires Ministro Pistarini Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Buenos Aires Ministro Pistarini Airport refresh daily.

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Buenos Aires Ministro Pistarini Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Buenos Aires Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The required travel and health documents for your Buenos Aires Ministro Pistarini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Knoxville to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Knoxville to Buenos Aires with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Knoxville to Buenos Aires flights to just show those with flexible booking policies.

How can momondo help me find flights from Knoxville to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Knoxville to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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