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$641+ Cheap flights from Blountville (TRI) to Porto (OPO)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — OPO
oct. 30 — nov. 61
jue. 10/30
jue. 11/6
1 adult, Economy
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Cheap flight deals from Blountville to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Blountville (TRI) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$641
(Delta)
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Porto flight deals.
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Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Porto flights.
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From Blountville Tri Cities TN/VA to Porto
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Find flight deals from Blountville to Porto

Cheapest flights from Blountville to Porto
Explore the most affordable flight options available from Blountville to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 30, 2025.

This Delta deal was found by Cheapflights users on 9/29. 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.
vie. 11/146:05 amTRI - OPO
2 stops23h 25mDelta
mar. 11/186:05 amOPO - TRI
2 stops21h 26mDelta
Deal found 9/29$641

Cheapflights Fare Finder

 
Customize your flight search to find flights from Blountville to Porto 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 septiembre 30, 2025.
Use the filters below to find and compare flights from Blountville to Porto that are best for you.

Fly from

Blountville

Fly to

Porto

Route

Depart

Return

Price

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

vie. 11/14

6:05 am-10:30 am

2 stops23h 25m

Porto

mar. 11/18

11:15 am-9:22 am

2 stops27h 07m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

  • Most accurate provider: When it comes to deals on Blountville-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Blountville-Porto flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Blountville-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Blountville-Porto flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Blountville-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Blountville to Porto

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

Related info for your journey

Find useful and relevant information for your journey from Blountville to Porto. 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 Blountville to Porto?

    A quick flight from Blountville to Porto can take about 23h 25m. Delta provides one of the quickest options available for as low as $641. There are 3856 mi between Blountville and Porto.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Blountville to Porto (average of $523). Flying from Blountville to Porto in June is currently the most expensive (average of $1,027). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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