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Cheap flights from Knoxville to Buenos Aires from $1,127

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 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Knoxville to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:45 am - 7:20 am-
23h 35m
United Airlines Logo
10:05 pm - 7:34 pm-
23h 29m
$1,127United Airlines
Tue, Nov 24 - Wed, Dec 9
United Airlines Logo
5:45 am - 7:20 am-
23h 35m
United Airlines Logo
10:05 pm - 2:42 pm-
18h 37m
$1,127United Airlines
Tue, Nov 24 - Wed, Dec 9
American Airlines Logo
11:44 am - 8:30 am-
18h 46m
American Airlines Logo
10:10 am - 11:57 pm-
15h 47m
$1,148American Airlines
Tue, Nov 24 - Wed, Dec 9
American Airlines Logo
11:35 am - 7:10 am-
18h 35m
American Airlines Logo
10:30 pm - 5:33 pm-
20h 03m
$1,182American Airlines
Fri, Oct 16 - Fri, Oct 23
American Airlines Logo
11:35 am - 7:10 am-
18h 35m
American Airlines Logo
10:30 pm - 1:09 pm-
15h 39m
$1,182American Airlines
Fri, Oct 16 - Fri, Oct 23
American Airlines Logo
11:12 am - 7:15 am-
19h 03m
American Airlines Logo
8:25 pm - 1:09 pm-
17h 44m
$1,182American Airlines
Fri, Oct 16 - Fri, Oct 23
American Airlines Logo
11:12 am - 7:15 am-
19h 03m
American Airlines Logo
10:20 pm - 5:40 pm-
20h 20m
$1,182American Airlines
Fri, Oct 16 - Fri, Oct 23
Delta Logo
4:31 pm - 3:45 pm-
22h 14m
Delta Logo
8:10 pm - 1:31 pm-
18h 21m
$1,188Delta
Fri, Oct 16 - Fri, Oct 23
American Airlines Logo
6:00 am - 7:10 am-
24h 10m
American Airlines Logo
10:30 pm - 1:09 pm-
15h 39m
$1,188American Airlines
Fri, Oct 16 - Fri, Oct 23
American Airlines Logo
6:00 am - 7:15 am-
24h 15m
American Airlines Logo
10:20 pm - 1:09 pm-
15h 49m
$1,188American Airlines
Fri, Oct 16 - Fri, Oct 23

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American Airlines flights from Knoxville to Buenos Aires

Our best American Airlines deals on Knoxville to Buenos Aires flight tickets
American Airlines
Nov 24
TYS11:44 amKnoxville McGhee Tyson
18h 46m
1 stop
EZE8:30 amBuenos Aires Ministro Pistarini
Dec 9
EZE10:10 amBuenos Aires Ministro Pistarini
15h 47m
1 stop
TYS11:57 pmKnoxville McGhee Tyson
$1,148
American Airlines
Oct 16
TYS11:12 amKnoxville McGhee Tyson
19h 03m
2 stops
EZE7:15 amBuenos Aires Ministro Pistarini
Oct 23
EZE10:20 pmBuenos Aires Ministro Pistarini
20h 20m
2 stops
TYS5:40 pmKnoxville McGhee Tyson
$1,182
American Airlines
Aug 30
TYS7:40 pmKnoxville McGhee Tyson
12h 05m
1 stop
EZE8:45 amBuenos Aires Ministro Pistarini
Sep 14
EZE8:45 pmBuenos Aires Ministro Pistarini
27h 22m
1 stop
TYS11:07 pmKnoxville McGhee Tyson
$1,259

United Airlines flights from Knoxville to Buenos Aires

Our best United Airlines deals on Knoxville to Buenos Aires flight tickets
United Airlines
Nov 24
TYS5:45 amKnoxville McGhee Tyson
23h 35m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 9
EZE10:05 pmBuenos Aires Ministro Pistarini
18h 37m
2 stops
TYS2:42 pmKnoxville McGhee Tyson
$1,127
United Airlines
Sep 15
TYS6:00 pmKnoxville McGhee Tyson
61h 00m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Sep 22
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 17m
1 stop
TYS11:17 amKnoxville McGhee Tyson
$1,197
United Airlines
Sep 8
TYS7:15 amKnoxville McGhee Tyson
23h 45m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Sep 15
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 15m
1 stop
TYS6:15 pmKnoxville McGhee Tyson
$1,248

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 August 4, 2026.
Use the filters below to find and compare flights from Knoxville to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Tue 11/24

5:45 am-7:20 am

2 stops23h 35m

Buenos Aires Ministro Pistarini

Wed 12/9

10:05 pm-7:34 pm

1 stop23h 29m

$1,127

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Tue 11/24

5:45 am-7:20 am

2 stops23h 35m

Buenos Aires Ministro Pistarini

Wed 12/9

10:05 pm-2:42 pm

2 stops18h 37m

$1,127

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Tue 11/24

11:44 am-8:30 am

1 stop18h 46m

Buenos Aires Ministro Pistarini

Wed 12/9

10:10 am-11:57 pm

1 stop15h 47m

$1,148

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 10/16

11:35 am-7:10 am

2 stops18h 35m

Buenos Aires Ministro Pistarini

Fri 10/23

10:30 pm-5:33 pm

2 stops20h 03m

$1,182
Quickest round-trip

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 10/16

11:35 am-7:10 am

2 stops18h 35m

Buenos Aires Ministro Pistarini

Fri 10/23

10:30 pm-1:09 pm

1 stop15h 39m

$1,182

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 10/16

11:12 am-7:15 am

2 stops19h 03m

Buenos Aires Ministro Pistarini

Fri 10/23

8:25 pm-1:09 pm

1 stop17h 44m

$1,182

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 10/16

11:12 am-7:15 am

2 stops19h 03m

Buenos Aires Ministro Pistarini

Fri 10/23

10:20 pm-5:40 pm

2 stops20h 20m

$1,182

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 10/16

4:31 pm-3:45 pm

2 stops22h 14m

Buenos Aires Ministro Pistarini

Fri 10/23

8:10 pm-1:31 pm

1 stop18h 21m

$1,188

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 10/16

6:00 am-7:10 am

1 stop24h 10m

Buenos Aires Ministro Pistarini

Fri 10/23

10:30 pm-1:09 pm

1 stop15h 39m

$1,188

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 10/16

6:00 am-7:15 am

1 stop24h 15m

Buenos Aires Ministro Pistarini

Fri 10/23

10:20 pm-1:09 pm

1 stop15h 49m

$1,188

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

12h 05m

Direct flights

None
The fastest flight from Knoxville to Buenos Aires takes 12h 05m
There are no direct flights from Knoxville to Buenos Aires. There are no popular flight routes from Knoxville to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Knoxville to Buenos Aires

  • 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 12h 05m 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