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Cheap flights from Knoxville to Buenos Aires from $435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Buenos Aires departing on 10/2. 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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Cheap round-trip flights

Multiple Airlines Logo
4:12 pm - 3:45 amTYS-EZE
34h 33m3 stops
Multiple Airlines Logo
4:45 pm - 10:59 pmEZE-TYS
32h 14m3 stops
$868Multiple Airlines
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Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
4:12 pm - 3:45 amTYS-EZE
34h 33m3 stops
Multiple Airlines Logo
4:05 am - 9:04 amEZE-TYS
30h 59m3 stops
$870Multiple Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 7
Multiple Airlines Logo
9:58 am - 3:10 pmTYS-EZE
28h 12m3 stops
Multiple Airlines Logo
12:54 pm - 10:26 pmEZE-TYS
35h 32m3 stops
$912Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Avianca Logo
7:20 pm - 5:50 amTYS-EZE
33h 30m2 stops
Avianca Logo
4:55 pm - 10:48 amEZE-TYS
19h 53m2 stops
$974Avianca
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Sat, Nov 1 - Sat, Nov 8
United Airlines Logo
7:05 am - 8:20 amTYS-EZE
24h 15m1 stop
United Airlines Logo
10:05 pm - 8:09 pmEZE-TYS
24h 04m1 stop
$1,050United Airlines
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Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
9:50 am - 6:20 amTYS-EZE
19h 30m2 stops
United Airlines Logo
10:05 pm - 6:04 pmEZE-TYS
21h 59m1 stop
$1,055United Airlines
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Thu, Oct 30 - Thu, Nov 6
American Airlines Logo
4:07 pm - 10:50 amTYS-EZE
16h 43m2 stops
American Airlines Logo
10:10 am - 11:45 pmEZE-TYS
15h 35m2 stops
$1,160American Airlines
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Thu, Jan 15 - Fri, Jan 30
LATAM Airlines Logo
6:10 pm - 2:55 pmTYS-EZE
18h 45m2 stops
LATAM Airlines Logo
4:05 am - 11:44 pmEZE-TYS
21h 39m2 stops
$1,260LATAM Airlines
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Thu, Jan 15 - Thu, Jan 29
LATAM Airlines Logo
1:54 pm - 9:35 amTYS-EZE
17h 41m2 stops
LATAM Airlines Logo
11:00 am - 11:44 pmEZE-TYS
14h 44m2 stops
$1,265LATAM Airlines
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Thu, Jan 1 - Sat, Jan 17
American Airlines Logo
4:21 pm - 8:30 amTYS-EZE
14h 09m1 stop
American Airlines Logo
9:40 pm - 4:43 pmEZE-TYS
21h 03m1 stop
$1,428American Airlines
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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
Oct 30
TYS7:05 amKnoxville McGhee Tyson
24h 15m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Nov 6
EZE10:05 pmBuenos Aires Ministro Pistarini
24h 04m
1 stop
TYS8:09 pmKnoxville McGhee Tyson
$1,050
Find similar
United Airlines
Oct 30
TYS9:50 amKnoxville McGhee Tyson
19h 30m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Nov 6
EZE10:05 pmBuenos Aires Ministro Pistarini
21h 59m
1 stop
TYS6:04 pmKnoxville McGhee Tyson
$1,055
Find similar
United Airlines
Jan 15
TYS5:00 pmKnoxville McGhee Tyson
36h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Jan 30
EZE11:55 pmBuenos Aires Ministro Pistarini
20h 10m
1 stop
TYS6:05 pmKnoxville McGhee Tyson
$1,065
Find similar

American Airlines flights from Knoxville to Buenos Aires Ministro Pistarini Airport

Our best American Airlines deals on Knoxville to Buenos Aires Ministro Pistarini Airport flight tickets
American Airlines
Jan 15
TYS4:07 pmKnoxville McGhee Tyson
16h 43m
2 stops
EZE10:50 amBuenos Aires Ministro Pistarini
Jan 30
EZE10:10 amBuenos Aires Ministro Pistarini
15h 35m
2 stops
TYS11:45 pmKnoxville McGhee Tyson
$1,160
Find similar
American Airlines
Jan 2
TYS4:21 pmKnoxville McGhee Tyson
14h 09m
1 stop
EZE8:30 amBuenos Aires Ministro Pistarini
Jan 17
EZE9:40 pmBuenos Aires Ministro Pistarini
21h 03m
1 stop
TYS4:43 pmKnoxville McGhee Tyson
$1,428
Find similar
American Airlines
Jan 2
TYS5:40 pmKnoxville McGhee Tyson
15h 00m
2 stops
EZE10:40 amBuenos Aires Ministro Pistarini
Jan 17
EZE11:59 pmBuenos Aires Ministro Pistarini
18h 44m
1 stop
TYS4:43 pmKnoxville McGhee Tyson
$1,433
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 September 17, 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

Sat 11/1

4:12 pm-3:45 am

3 stops34h 33m

Buenos Aires Ministro Pistarini

Sat 11/8

4:45 pm-10:59 pm

3 stops32h 14m

$868

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Sat 11/1

4:12 pm-3:45 am

3 stops34h 33m

Buenos Aires Ministro Pistarini

Fri 11/7

4:05 am-9:04 am

3 stops30h 59m

$870

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 10/30

9:58 am-3:10 pm

3 stops28h 12m

Buenos Aires Ministro Pistarini

Thu 11/6

12:54 pm-10:26 pm

3 stops35h 32m

$912

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Sat 11/1

7:20 pm-5:50 am

2 stops33h 30m

Buenos Aires Ministro Pistarini

Sat 11/8

4:55 pm-10:48 am

2 stops19h 53m

$974

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 10/30

7:05 am-8:20 am

1 stop24h 15m

Buenos Aires Ministro Pistarini

Thu 11/6

10:05 pm-8:09 pm

1 stop24h 04m

$1,050

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 10/30

9:50 am-6:20 am

2 stops19h 30m

Buenos Aires Ministro Pistarini

Thu 11/6

10:05 pm-6:04 pm

1 stop21h 59m

$1,055

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 1/15

4:07 pm-10:50 am

2 stops16h 43m

Buenos Aires Ministro Pistarini

Fri 1/30

10:10 am-11:45 pm

2 stops15h 35m

$1,160

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 1/15

6:10 pm-2:55 pm

2 stops18h 45m

Buenos Aires Ministro Pistarini

Thu 1/29

4:05 am-11:44 pm

2 stops21h 39m

$1,260

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 1/1

1:54 pm-9:35 am

2 stops17h 41m

Buenos Aires Ministro Pistarini

Sat 1/17

11:00 am-11:44 pm

2 stops14h 44m

$1,265

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 1/2

4:21 pm-8:30 am

1 stop14h 09m

Buenos Aires Ministro Pistarini

Sat 1/17

9:40 pm-4:43 pm

1 stop21h 03m

$1,428

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

Direct flights

None
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 13h 00m.

  • 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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