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Cheap flights from Knoxville to Buenos Aires from $1,187

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 5/25. 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

Enter your travel dates to find the best prices.
United Airlines Logo
3:25 pm - 8:00 am
TYS
-
EZE
15h 35m
1 stop
United Airlines Logo
9:00 pm - 11:21 am
EZE
-
TYS
15h 21m
1 stop
$1,187United Airlines
Mon, May 25 - Fri, Jun 5
United Airlines Logo
6:30 am - 8:00 am
TYS
-
EZE
24h 30m
2 stops
United Airlines Logo
9:00 pm - 4:51 pm
EZE
-
TYS
20h 51m
2 stops
$1,191United Airlines
Mon, May 25 - Fri, Jun 5
LATAM Airlines Logo
5:57 pm - 9:45 am
TYS
-
EZE
14h 48m
1 stop
LATAM Airlines Logo
7:35 am - 11:46 pm
EZE
-
TYS
17h 11m
2 stops
$1,207LATAM Airlines
Fri, Jun 12 - Fri, Jun 19
United Airlines Logo
3:20 pm - 8:00 am
TYS
-
EZE
15h 40m
1 stop
United Airlines Logo
9:00 pm - 6:11 pm
EZE
-
TYS
22h 11m
1 stop
$1,222United Airlines
Thu, Apr 30 - Thu, May 7
United Airlines Logo
10:49 am - 8:00 am
TYS
-
EZE
20h 11m
2 stops
United Airlines Logo
9:00 pm - 8:45 pm
EZE
-
TYS
24h 45m
2 stops
$1,226United Airlines
Thu, Apr 30 - Thu, May 7
LATAM Airlines Logo
7:20 pm - 11:30 am
TYS
-
EZE
15h 10m
2 stops
LATAM Airlines Logo
3:55 am - 11:46 pm
EZE
-
TYS
20h 51m
2 stops
$1,227LATAM Airlines
Fri, Jun 12 - Thu, Jun 18
LATAM Airlines Logo
5:57 pm - 9:45 am
TYS
-
EZE
14h 48m
1 stop
LATAM Airlines Logo
8:10 pm - 9:11 am
EZE
-
TYS
14h 01m
1 stop
$1,645LATAM Airlines
Fri, Jun 12 - Fri, Jun 19
Multiple Airlines Logo
7:19 pm - 2:30 pm
TYS
-
EZE
42h 11m
3 stops
Multiple Airlines Logo
7:35 am - 11:56 pm
EZE
-
TYS
17h 21m
2 stops
$2,177Multiple Airlines
Mon, May 25 - Fri, Jun 5
LATAM Airlines Logo
7:20 pm - 6:21 pm
TYS
-
EZE
22h 01m
2 stops
LATAM Airlines Logo
7:35 am - 12:25 pm
EZE
-
TYS
29h 50m
3 stops
$2,374LATAM Airlines
Fri, Jun 12 - Fri, Jun 19
Air Canada Logo
1:52 pm - 2:30 pm
TYS
-
EZE
47h 38m
3 stops
Air Canada Logo
4:35 pm - 8:45 pm
EZE
-
TYS
29h 10m
3 stops
$2,435Air Canada
Thu, Apr 30 - Thu, May 7

LATAM Airlines flights from Knoxville to Buenos Aires

Our best LATAM Airlines deals on Knoxville to Buenos Aires flight tickets
LATAM Airlines
Jun 12
TYS5:57 pmKnoxville McGhee Tyson
14h 48m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jun 19
EZE7:35 amBuenos Aires Ministro Pistarini
17h 11m
2 stops
TYS11:46 pmKnoxville McGhee Tyson
$1,207
LATAM Airlines
Jun 12
TYS7:20 pmKnoxville McGhee Tyson
15h 10m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Jun 18
EZE3:55 amBuenos Aires Ministro Pistarini
20h 51m
2 stops
TYS11:46 pmKnoxville McGhee Tyson
$1,227
LATAM Airlines
Jun 12
TYS5:57 pmKnoxville McGhee Tyson
14h 48m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jun 19
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 01m
1 stop
TYS9:11 amKnoxville McGhee Tyson
$1,645

United Airlines flights from Knoxville to Buenos Aires

Our best United Airlines deals on Knoxville to Buenos Aires flight tickets
United Airlines
May 25
TYS3:25 pmKnoxville McGhee Tyson
15h 35m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Jun 5
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 21m
1 stop
TYS11:21 amKnoxville McGhee Tyson
$1,187
United Airlines
May 25
TYS6:30 amKnoxville McGhee Tyson
24h 30m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Jun 5
EZE9:00 pmBuenos Aires Ministro Pistarini
20h 51m
2 stops
TYS4:51 pmKnoxville McGhee Tyson
$1,191
United Airlines
Apr 30
TYS3:20 pmKnoxville McGhee Tyson
15h 40m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
May 7
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 11m
1 stop
TYS6:11 pmKnoxville McGhee Tyson
$1,222

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Buenos Aires 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 March 19, 2026.
Use the filters below to find and compare flights from Knoxville to Buenos Aires that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Mon 5/25

3:25 pm-8:00 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

Fri 6/5

9:00 pm-11:21 am

1 stop15h 21m

$1,187

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Mon 5/25

6:30 am-8:00 am

2 stops24h 30m

Buenos Aires Ministro Pistarini

Fri 6/5

9:00 pm-4:51 pm

2 stops20h 51m

$1,191

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 6/12

5:57 pm-9:45 am

1 stop14h 48m

Buenos Aires Ministro Pistarini

Fri 6/19

7:35 am-11:46 pm

2 stops17h 11m

$1,207

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 4/30

3:20 pm-8:00 am

1 stop15h 40m

Buenos Aires Ministro Pistarini

Thu 5/7

9:00 pm-6:11 pm

1 stop22h 11m

$1,222

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 4/30

10:49 am-8:00 am

2 stops20h 11m

Buenos Aires Ministro Pistarini

Thu 5/7

9:00 pm-8:45 pm

2 stops24h 45m

$1,226

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 6/12

7:20 pm-11:30 am

2 stops15h 10m

Buenos Aires Ministro Pistarini

Thu 6/18

3:55 am-11:46 pm

2 stops20h 51m

$1,227
Quickest round-trip

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 6/12

5:57 pm-9:45 am

1 stop14h 48m

Buenos Aires Ministro Pistarini

Fri 6/19

8:10 pm-9:11 am

1 stop14h 01m

$1,645

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Mon 5/25

7:19 pm-2:30 pm

3 stops42h 11m

Buenos Aires Ministro Pistarini

Fri 6/5

7:35 am-11:56 pm

2 stops17h 21m

$2,177

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 6/12

7:20 pm-6:21 pm

2 stops22h 01m

Buenos Aires Ministro Pistarini

Fri 6/19

7:35 am-12:25 pm

3 stops29h 50m

$2,374

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Thu 4/30

1:52 pm-2:30 pm

3 stops47h 38m

Buenos Aires Ministro Pistarini

Thu 5/7

4:35 pm-8:45 pm

3 stops29h 10m

$2,435

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

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

Can stopping save me money on Knoxville to Buenos Aires flights?

You could potentially save up to 32% on your flight if you consider stops on a Knoxville to Buenos Aires flight.

When to book flights from Knoxville to Buenos Aires

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

Cheap Knoxville to Buenos Aires (TYS to BUE) flight deals and tips

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

Fastest flight time

15h 35m

Direct flights

None
The fastest flight from Knoxville to Buenos Aires takes 15h 35m
There are no direct flights from Knoxville to Buenos Aires. There are no popular flight routes from Knoxville to Buenos Aires.
Search flight deals

  • How far is Knoxville McGhee Tyson to Buenos Aires by plane?

    Buenos Aires is 5142.9 mi away from Knoxville McGhee Tyson. Typically, this will take 15h 35m by plane in normal conditions.

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

    Prices for flights from Knoxville McGhee Tyson Airport to Buenos Aires were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Buenos Aires.

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

    The necessary travel and health documents for your Buenos Aires 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.

Why use momondo?

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

It is quick and easy to find Knoxville to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

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

Yes. All flights to Buenos Aires from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.

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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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport