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Portugal

$560+ Cheap flights from Kingsport, TN to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LIS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Kingsport to Portugal

Keep the following information in mind while searching for Kingsport to Portugal flight deals. Data was last updated September 15, 2025.

Round-trip from

$560
(Delta)
From Kingsport to Portugal
Search Deals

Find flight deals from Kingsport to Portugal

Cheapest flights from Kingsport to Portugal
Explore the most affordable flight options available from Kingsport to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 11/176:05 amTRI - LIS
2 stops20h 55mDelta
Wed 12/311:15 amLIS - TRI
2 stops27h 17mDelta
Deal found 9/14$560
This Delta deal was found by Cheapflights users on 9/14. 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 11/1612:50 pmTRI - LIS
2 stops14h 10mDelta
Tue 11/2511:15 amLIS - TRI
2 stops29h 50mDelta
Deal found 9/14$570
This Delta deal was found by Cheapflights users on 9/14. 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 11/2310:12 amTRI - LIS
2 stops23h 58mDelta
Wed 12/311:15 amLIS - TRI
2 stops29h 51mDelta
Deal found 9/14$579
This Delta deal was found by Cheapflights users on 9/14. 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 11/1612:50 pmTRI - LIS
2 stops14h 10mDelta
Mon 12/112:20 pmLIS - TRI
2 stops35h 24mDelta
Deal found 9/14$584
This Delta deal was found by Cheapflights users on 9/14. 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 11/173:36 pmTRI - LIS
2 stops12h 24mDelta
Tue 12/25:00 amLIS - TRI
2 stops18h 44mDelta
Deal found 9/14$585
This Delta deal was found by Cheapflights users on 9/14. 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 11/224:41 pmTRI - LIS
2 stops35h 14mDelta
Mon 12/112:20 pmLIS - TRI
2 stops35h 24mDelta
Deal found 9/14$594
This Delta deal was found by Cheapflights users on 9/14. 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 11/224:41 pmTRI - LIS
2 stops35h 14mDelta
Tue 12/25:00 amLIS - TRI
2 stops18h 44mDelta
Deal found 9/14$596
This Delta deal was found by Cheapflights users on 9/14. 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 11/2312:50 pmTRI - LIS
2 stops21h 20mDelta
Tue 12/25:00 amLIS - TRI
2 stops18h 44mDelta
Deal found 9/14$600
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/141:28 pmTRI - LIS
2 stops14h 32mDelta
Tue 10/215:00 amLIS - TRI
2 stops22h 21mDelta
Deal found 9/14$624
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 11/2812:50 pmTRI - LIS
2 stops15h 10mDelta
Tue 12/212:20 pmLIS - TRI
2 stops39h 14mDelta
Deal found 9/14$634
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 11/2012:50 pmTRI - LIS
2 stops14h 10mDelta
Wed 11/2610:00 amLIS - TRI
2 stops31h 05mDelta
Deal found 9/14$639
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 11/2012:50 pmTRI - LIS
2 stops14h 10mDelta
Tue 11/2511:15 amLIS - TRI
2 stops29h 50mDelta
Deal found 9/14$649

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport to Portugal 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 September 15, 2025.
Use the filters below to find and compare flights from Kingsport to Portugal that are best for you.

Fly from

Kingsport

Fly to

Portugal

Route

Depart

Return

Price

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Mon 11/17

6:05 am-8:00 am

2 stops20h 55m

Lisbon Humberto Delgado

Wed 11/26

10:00 am-12:05 pm

2 stops31h 05m

$560

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Mon 11/17

6:05 am-8:00 am

2 stops20h 55m

Lisbon Humberto Delgado

Wed 12/3

11:15 am-9:32 am

2 stops27h 17m

$560

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Sun 11/16

12:50 pm-8:00 am

2 stops14h 10m

Lisbon Humberto Delgado

Tue 11/25

11:15 am-12:05 pm

2 stops29h 50m

$570

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Sat 11/22

10:12 am-8:55 am

2 stops41h 43m

Lisbon Humberto Delgado

Wed 12/3

11:15 am-12:06 pm

2 stops29h 51m

$570

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Mon 11/17

6:05 am-8:00 am

2 stops20h 55m

Lisbon Humberto Delgado

Tue 11/25

11:15 am-12:05 pm

2 stops29h 50m

$570

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Sun 11/23

10:12 am-3:10 pm

2 stops23h 58m

Lisbon Humberto Delgado

Wed 12/3

11:15 am-12:06 pm

2 stops29h 51m

$579

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Mon 11/17

3:36 pm-9:00 am

2 stops12h 24m

Lisbon Humberto Delgado

Mon 12/1

12:20 pm-6:44 pm

2 stops35h 24m

$584

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Tue 11/18

3:36 pm-9:00 am

2 stops12h 24m

Lisbon Humberto Delgado

Mon 12/1

12:20 pm-6:44 pm

2 stops35h 24m

$584

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Tue 11/18

3:36 pm-9:00 am

2 stops12h 24m

Lisbon Humberto Delgado

Tue 12/2

5:00 am-6:44 pm

2 stops18h 44m

$585

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Mon 11/17

3:36 pm-9:00 am

2 stops12h 24m

Lisbon Humberto Delgado

Tue 12/2

5:00 am-6:44 pm

2 stops18h 44m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 13 results
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Best time to book a flight from Kingsport to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

What is the cheapest month to book a flight from Kingsport to Portugal?

Currently, January is the cheapest month in which you can book a flight from Kingsport to Portugal (average of $612). Flying from Kingsport to Portugal in June is currently the most expensive (average of $1,127). 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.

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

Find hourly flight availability from Kingsport to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Kingsport to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • How long is the flight from Kingsport to Portugal?

    Delta can get you from Kingsport to Portugal in just under 20h 55m. Your travel time can differ by up to . There are 3897 mi between Kingsport and Portugal.

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

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

  • How can I find direct flights from Kingsport to Portugal?

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

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

    Yes. Cheapflights offers flight deals from Kingsport to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Kingsport to Portugal (average of $612). Flying from Kingsport to Portugal in June is currently the most expensive (average of $1,127). 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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Alternative routes for Kingsport to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Kingsport to Portugal

Discover the top 4 airlines that operate flights from Kingsport to Portugal. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$565Average$972FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$589Average$896FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$1,040FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$603Average$1,101FlexibilityNo cancel feeOn-time69%

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