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$429+ Cheap flights from Kingsport, TN to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BUE
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Find flight deals from Kingsport to Buenos Aires

One-way flights from Kingsport to Buenos Aires
Search for one-way flight options from Kingsport to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated August 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:25 pmTRI - EZE
3 stops50h 05mMultiple Airlines
Deal found 8/9$429
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:12 pmTRI - EZE
3 stops52h 13mMultiple Airlines
Deal found 8/9$432
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:44 amTRI - EZE
3 stops36h 41mMultiple Airlines
Deal found 8/9$450
This American Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:27 pmTRI - EZE
2 stops19h 28mAmerican Airlines
Deal found 8/9$693
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:56 amTRI - EZE
2 stops41h 59mDelta
Deal found 8/9$723
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:17 pmTRI - EZE
1 stop13h 28mDelta
Deal found 8/9$768
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:50 pmTRI - EZE
1 stop15h 55mDelta
Deal found 8/9$868

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport 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, Cheapflights users made 2,558,603 searches. Data last updated August 11, 2025.
Use the filters below to find and compare flights from Kingsport to Buenos Aires that are best for you.

Fly from

Kingsport

Fly to

Buenos Aires

Route

Depart

Return

Price

BlountvilleBuenos Aires

TRI - EZE

TRIEZE

Blountville Tri Cities TN/VA

Fri 10/3

6:25 pm-9:30 pm

3 stops50h 05m

$429

BlountvilleBuenos Aires

TRI - EZE

TRIEZE

Blountville Tri Cities TN/VA

Sun 9/28

5:12 pm-10:25 pm

3 stops52h 13m

$432

BlountvilleBuenos Aires

TRI - EZE

TRIEZE

Blountville Tri Cities TN/VA

Thu 10/2

11:44 am-1:25 am

3 stops36h 41m

$450

BlountvilleBuenos Aires

TRI - EZE

TRIEZE

Blountville Tri Cities TN/VA

Tue 9/30

12:27 pm-8:55 am

2 stops19h 28m

$693

BlountvilleBuenos Aires

TRI - EZE

TRIEZE

Blountville Tri Cities TN/VA

Mon 9/29

10:56 am-5:55 am

2 stops41h 59m

$723

BlountvilleBuenos Aires

TRI - EZE

TRIEZE

Blountville Tri Cities TN/VA

Sun 9/28

7:17 pm-9:45 am

1 stop13h 28m

$768

BlountvilleBuenos Aires

TRI - EZE

TRIEZE

Blountville Tri Cities TN/VA

Sat 9/27

4:50 pm-9:45 am

1 stop15h 55m

$868

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Best time to book a flight from Kingsport to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Kingsport with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kingsport to Buenos Aires

What is the cheapest time of day to fly from K1N to BUE?

Find hourly flight availability from Kingsport to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kingsport to Buenos Aires as you normally would.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated August 11, 2025.
See what other customers who have flown with Delta and American Airlines from Kingsport to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,978 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,978 reviews
Delta
8.0
Very good
7,978 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,978 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Kingsport to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Kingsport to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Kingsport to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kingsport to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kingsport to Buenos Aires.

  • Can I find deals for business class flights from Kingsport to Buenos Aires?

    Yes. Cheapflights offers flight deals from Kingsport to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kingsport to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Kingsport to Buenos Aires (average of $795). Flying from Kingsport to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Kingsport to Buenos Aires

Discover the top airline that operate flights from Kingsport to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$975Average$1,203FlexibilityNo cancel feeOn-timeN/A

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