$1,054+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — LIS
Feb 10 — Feb 171
1 adult, Economy
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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
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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
Keep the following information in mind while searching for Blountville to Portugal flight deals. Data was last updated January 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $1,054 (KLM) |
Find flight deals from Blountville to Portugal
Cheapest flights from Blountville to PortugalExplore 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 January 11, 2026.
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 January 11, 2026.
This KLM deal was found by Cheapflights users on 1/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/201:45 pmTRI - LIS
2 stops14h 15mKLM
Sat 3/2810:00 amLIS - TRI
2 stops27h 50mKLM
Deal found 1/9![KLM logo]()
$1,054
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 January 11, 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
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
10:00 am-9:50 am
2 stops27h 50m
$1,054
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 $1,125). 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.