HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$780+ Cheap flights from Blountville (TRI) 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — LIS
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Blountville to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Blountville to Portugal

Cheapest flights from Blountville to Portugal
Explore the most affordable flight options available from Blountville to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This KLM deal was found by Cheapflights users on 2/12. 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.
Mon 3/303:53 pm
TRI
-
OPO
2 stops18h 32m
Multiple Airlines
Mon 4/66:30 am
OPO
-
TRI
2 stops20h 58m
Multiple Airlines
Deal found 2/12$780
This KLM deal was found by Cheapflights users on 2/11. 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.
Fri 3/201:45 pm
TRI
-
LIS
2 stops14h 15m
KLM
Sat 3/2811:25 am
LIS
-
TRI
2 stops26h 25m
KLM
Deal found 2/11$1,436
This Air France deal was found by Cheapflights users on 2/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/141:45 pm
TRI
-
LIS
2 stops17h 35m
Multiple Airlines
Sat 3/2111:25 am
LIS
-
TRI
2 stops26h 25m
Multiple Airlines
Deal found 2/14$1,961

Find flight deals from Blountville to Portugal

Keep the following information in mind while searching for Blountville to Portugal flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$780
(KLM)
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Lisbon Humberto Delgado flights.
Search Deals
From Blountville Tri Cities TN/VA to Portugal
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Blountville 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 February 14, 2026.
Use the filters below to find and compare flights from Blountville to Portugal that are best for you.

Fly from

Blountville

Fly to

Portugal

Route

Depart

Return

Price

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Mon 3/30

3:53 pm-3:25 pm

2 stops18h 32m

Porto

Mon 4/6

6:30 am-10:28 pm

2 stops20h 58m

$780

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Fri 3/20

1:45 pm-8:00 am

2 stops14h 15m

Lisbon Humberto Delgado

Sat 3/28

11:25 am-9:50 am

2 stops26h 25m

$1,436

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Sat 3/14

1:45 pm-11:20 am

2 stops17h 35m

Lisbon Humberto Delgado

Sat 3/21

11:25 am-9:50 am

2 stops26h 25m

$1,961

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Best time to book a flight from Blountville to Portugal

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

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

Currently, February is the cheapest month in which you can book a flight from Blountville to Portugal (average of $512). Flying from Blountville to Portugal in May is currently the most expensive (average of $1,121). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Blountville to Portugal?

    Blountville Tri Cities TN/VA (TRI), located 5.7 mi from the city center, is the airport you fly out of when you book flights from Blountville to Portugal.

  • How long is the flight from Blountville to Portugal?

    A quick flight from Blountville to Portugal can take about 14h 15m. KLM provides one of the quickest options available for as low as $1,436. The distance between Blountville and Portugal is about 3897 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Blountville to Portugal (average of $512). Flying from Blountville to Portugal in May is currently the most expensive (average of $1,121). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Blountville to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Heathrow flights
Nashville to Dublin flights
Nashville to Gatwick flights
Nashville to Leonardo da Vinci/Fiumicino flights
Nashville to Charles de Gaulle flights
Nashville to Stansted flights
Nashville to Keflavik Intl flights
Nashville to Orly flights
Nashville to London City flights
Nashville to Athens flights
Memphis to Heathrow flights
Nashville to Zurich flights
Nashville to Edinburgh flights
Nashville to Barcelona-El Prat flights
Knoxville to Heathrow flights
Nashville to Madrid flights
Nashville to Malpensa flights
Memphis to Athens flights
Nashville to Amsterdam flights
Knoxville to Charles de Gaulle flights
Memphis to Leonardo da Vinci/Fiumicino flights
Nashville to Frederic Chopin flights
Nashville to Florence flights
Nashville to Frankfurt flights
Memphis to Frankfurt flights
Nashville to Glasgow Intl flights
Nashville to Linate flights
Knoxville to Dublin flights
Knoxville to Leonardo da Vinci/Fiumicino flights
Memphis to Gatwick flights
Memphis to Dublin flights
Memphis to Charles de Gaulle flights
Memphis to Edinburgh flights
Nashville to Oslo Gardermoen flights
Nashville to Istanbul flights
Nashville to Vicenza flights
Nashville to Vienna flights
Knoxville to London City flights
Nashville to Munich flights
Nashville to Lisbon flights
Nashville to Prague flights
Memphis to Florence flights
Chattanooga to Dublin flights
Nashville to Manchester flights
Nashville to Budapest flights
Nashville to Naples flights
Memphis to Amsterdam flights
Memphis to Orly flights
Nashville to Porto flights
Nashville to Copenhagen flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.