In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest time of day to fly from TRI to OPO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Blountville to Porto as you normally would.

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.

$568+ Flights from Blountville to Porto

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Blountville to Porto 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 Porto

Best flights from Blountville to Porto
Discover carefully curated flight deals from Blountville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Wed 2/113:14 pmTRI - OPO

2 stops14h 16mMultiple Airlines

Wed 2/185:00 amOPO - TRI

2 stops33h 32mMultiple Airlines

Deal found 12/27

$568

Fly from

Fly to

Route

Depart

Return

Price

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Wed 2/11

3:14 pm-10:30 am

2 stops14h 16m

Porto

Wed 2/18

5:00 am-9:32 am

2 stops33h 32m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

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

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.

Aveiro

Arcos de Valdevez

Coimbra

Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Blountville to Porto

Nashville to Lisbon flights

Nashville to Porto flights

Memphis to Lisbon flights

Knoxville to Lisbon flights

Chattanooga to Lisbon flights

Nashville to Faro flights

Memphis to Faro flights

Blountville to Lisbon flights

Knoxville to Funchal flights

Knoxville to Faro flights

Other flights to Porto

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.

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Blountville to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Blountville to Porto

Best flights from Blountville to Porto
Discover carefully curated flight deals from Blountville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Discover carefully curated flight deals from Blountville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Blountville to Porto that are best for you.

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.

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.

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

How can I find direct flights from Blountville to Porto?

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

Traveling to a place near Porto?

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 Porto

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Blountville to Porto by cabin class

Find flights from Blountville to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Blountville and Porto flights

Browse other Blountville and Porto flight options. Last updated on December 28, 2025.

Other flights from Blountville

Browse through other flights departing from Blountville. Flights are based on user searches made on Cheapflights and were last updated on December 28, 2025.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2025

Other flights to Porto

Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on December 28, 2025.

100% Free

Book with Flexibility

Travel Smart

$568+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Blountville to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Blountville to Porto

Best flights from Blountville to PortoDiscover carefully curated flight deals from Blountville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Discover carefully curated flight deals from Blountville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Blountville to Porto that are best for you.

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.

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.

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

How can I find direct flights from Blountville to Porto?

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

Traveling to a place near Porto?

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 Porto

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Best flights from Blountville to Porto
Discover carefully curated flight deals from Blountville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.