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Portugal

$606+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LIS
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
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 July 25, 2025.

Round-trip from

$606
(American Airlines)
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 July 25, 2025.

This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 11/53:34 pmTRI - LIS
2 stops15h 36mAmerican Airlines
Wed 11/126:30 amLIS - TRI
2 stops17h 26mAmerican Airlines
Deal found 7/22$606
This Delta deal was found by Cheapflights users on 7/22. 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 10/285:00 pmTRI - LIS
2 stops20h 30mDelta
Fri 11/710:00 amLIS - TRI
2 stops17h 24mDelta
Deal found 7/22$650
This Scandinavian Airlines deal was found by Cheapflights users on 7/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:49 pmTRI - LIS
2 stops40h 06mScandinavian Airlines
Mon 10/274:55 pmLIS - TRI
2 stops33h 29mScandinavian Airlines
Deal found 7/23$673
This Delta deal was found by Cheapflights users on 7/23. 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 11/1410:15 amTRI - OPO
2 stops24h 10mDelta
Tue 11/186:05 amOPO - TRI
2 stops21h 19mDelta
Deal found 7/23$716
This KLM deal was found by Cheapflights users on 7/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:49 pmTRI - LIS
2 stops16h 46mKLM
Sun 11/165:00 amLIS - TRI
2 stops18h 11mKLM
Deal found 7/24$783
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 10/227:00 amTRI - LIS
2 stops21h 05mMultiple Airlines
Sat 10/256:35 amLIS - TRI
2 stops22h 22mMultiple Airlines
Deal found 7/23$1,437

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 July 25, 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

Wed 11/5

3:34 pm-12:10 pm

2 stops15h 36m

Lisbon Humberto Delgado

Wed 11/12

6:30 am-6:56 pm

2 stops17h 26m

$606

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Tue 10/28

5:00 pm-5:30 pm

2 stops20h 30m

Lisbon Humberto Delgado

Fri 11/7

10:00 am-10:24 pm

2 stops17h 24m

$650

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Fri 10/24

12:49 pm-9:55 am

2 stops40h 06m

Lisbon Humberto Delgado

Mon 10/27

4:55 pm-10:24 pm

2 stops33h 29m

$673

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Fri 11/14

10:15 am-3:25 pm

2 stops24h 10m

Porto

Tue 11/18

6:05 am-10:24 pm

2 stops21h 19m

$716

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Sat 11/8

12:49 pm-10:35 am

2 stops16h 46m

Lisbon Humberto Delgado

Sun 11/16

5:00 am-6:11 pm

2 stops18h 11m

$783

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Wed 10/22

7:00 am-9:05 am

2 stops21h 05m

Lisbon Humberto Delgado

Sat 10/25

6:35 am-11:57 pm

2 stops22h 22m

$1,437

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

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 $1,128). 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 July 25, 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.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated July 25, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Scandinavian Airlines from Kingsport to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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!
KLM
7.8
Good
1,375 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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!
Scandinavian Airlines
7.3
Good
1,442 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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 Portugal. 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 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 $1,128). 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

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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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$565Average$972FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$580Average$1,051FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$589Average$877FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$603Average$1,111FlexibilityNo cancel feeOn-time69%

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