$498+ Cheap flights from Nashville (BNA) 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Nashville 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 Nashville to Porto
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Cheapest flights from Nashville to PortoExplore the most affordable flight options available from Nashville to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Nashville to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This Priceline deal was found by Cheapflights users on 9/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:33 pm -
2 stops16h 27m
Wed 11/1112:25 pm -
2 stops17h 34m
Deal found 9/23![Iberia logo]()
$571
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 11/410:15 am -
1 stop16h 00m
Wed 11/115:55 am -
2 stops22h 31m
Deal found 9/23![Delta logo]()
$580
This Iberia deal was found by Cheapflights users on 9/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:33 pm -
2 stops16h 27m
Fri 11/1312:25 pm -
2 stops17h 34m
Deal found 9/22![Multiple Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
3 stops26h 20m
Wed 11/1112:35 pm -
2 stops26h 02m
Deal found 9/23![United Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 9/22. 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.
Fri 11/67:15 am -
1 stop19h 00m
Fri 11/135:55 am -
2 stops23h 17m
Deal found 9/22![Delta logo]()
$630
This Air France deal was found by Cheapflights users on 9/21. 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.
Wed 12/92:05 pm -
1 stop12h 10m
Fri 1/85:55 am -
2 stops17h 04m
Deal found 9/21![Multiple Airlines logo]()
$639
This Justfly.com deal was found by Cheapflights users on 9/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:25 am -
2 stops14h 35m
Tue 10/2011:15 am -
2 stops29h 15m
Deal found 9/23![Air Canada logo]()
$640
This Delta deal was found by Cheapflights users on 9/21. 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.
Wed 12/98:00 am -
2 stops18h 15m
Fri 1/85:00 am -
2 stops21h 45m
Deal found 9/21![Delta logo]()
$643
This Delta deal was found by Cheapflights users on 9/20. 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 10/138:05 am -
2 stops20h 25m
Tue 10/206:15 am -
2 stops18h 25m
Deal found 9/20![Delta logo]()
$644
This KAYAK deal was found by Cheapflights users on 9/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 am -
1 stop20h 40m
Tue 10/206:00 am -
2 stops18h 39m
Deal found 9/23![Lufthansa logo]()
$660
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:40 am -
2 stops27h 40m
Fri 11/136:00 am -
2 stops32h 37m
Deal found 9/22![United Airlines logo]()
$676
Best flights from Nashville to PortoDiscover carefully curated flight deals from Nashville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Nashville to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Iberia deal was found by Cheapflights users on 9/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:33 pm -
2 stops16h 27m
Fri 11/1312:25 pm -
2 stops17h 34m
Deal found 9/22![Multiple Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
3 stops26h 20m
Wed 11/1112:35 pm -
2 stops26h 02m
Deal found 9/23![United Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 9/22. 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.
Fri 11/67:15 am -
1 stop19h 00m
Fri 11/135:55 am -
2 stops23h 17m
Deal found 9/22![Delta logo]()
$630
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:40 pm -
1 stop16h 10m
Sat 1/98:00 pm -
1 stop26h 40m
Deal found 9/19![British Airways logo]()
$706
This KAYAK deal was found by Cheapflights users on 9/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 am -
1 stop20h 40m
Tue 10/2011:15 am -
1 stop15h 39m
Deal found 9/23![Lufthansa logo]()
$902
This Delta deal was found by Cheapflights users on 9/21. 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.
Wed 12/98:00 am -
2 stops18h 15m
Fri 1/85:00 am -
2 stops21h 45m
Deal found 9/21![Delta logo]()
$643
This FlightHub deal was found by Cheapflights users on 9/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:40 pm -
1 stop16h 10m
Fri 1/86:05 pm -
1 stop28h 35m
Deal found 9/21![British Airways logo]()
$733
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am -
2 stops21h 45m
Mon 10/2612:30 pm -
2 stops25h 07m
Deal found 9/23![United Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 9/19. 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.
Wed 12/98:00 am -
2 stops18h 15m
Sat 1/95:55 am -
2 stops20h 50m
Deal found 9/19![Delta logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:43 pm -
2 stops14h 37m
Fri 11/1312:35 pm -
1 stop15h 24m
Deal found 9/22![United Airlines logo]()
$830
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:30 pm -
1 stop11h 00m
Fri 12/1112:35 pm -
1 stop15h 24m
Deal found 9/22![United Airlines logo]()
$1,089
Last-minute flights from Nashville to PortoDiscover last-minute flight deals from Nashville to Porto. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Porto. Data last updated September 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/19. 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 9/296:20 pm -
2 stops15h 05m
Tue 10/61:05 pm -
1 stop13h 48m
Deal found 9/19![Delta logo]()
$702
This KAYAK deal was found by Cheapflights users on 9/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:05 am -
1 stop20h 40m
Tue 10/66:00 am -
2 stops18h 39m
Deal found 9/22![Lufthansa logo]()
$719
This Justfly.com deal was found by Cheapflights users on 9/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:25 am -
2 stops14h 35m
Tue 10/2011:15 am -
2 stops29h 15m
Deal found 9/23![Air Canada logo]()
$640
This Delta deal was found by Cheapflights users on 9/20. 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 10/138:05 am -
2 stops20h 25m
Tue 10/206:15 am -
2 stops18h 25m
Deal found 9/20![Delta logo]()
$644
This KAYAK deal was found by Cheapflights users on 9/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 am -
1 stop20h 40m
Tue 10/206:00 am -
2 stops18h 39m
Deal found 9/23![Lufthansa logo]()
$660
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop21h 45m
Tue 10/2012:35 pm -
1 stop25h 51m
Deal found 9/20![United Airlines logo]()
$804
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am -
2 stops21h 45m
Mon 10/2612:30 pm -
2 stops25h 07m
Deal found 9/23![United Airlines logo]()
$755
One-way flights from Nashville to PortoSearch for one-way flight options from Nashville to Porto. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Nashville to Porto. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:40 pm -
1 stop16h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![British Airways logo]()
$498
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$513
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:26 am -
3 stops47h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$8,493
Find flight deals from Nashville to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Nashville (BNA) 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 September 24, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $571 (Priceline) |
One-way from | $498 (Expedia) |
Popular in | January |
Cheapest in | February |
Average price | $777 |
Cheapflights Fare Finder
Customize your flight search to find flights from Nashville 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 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from Nashville to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 12/9
6:40 pm-4:50 pm
1 stop16h 10m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$498
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Fri 11/6
7:00 am-9:30 am
1 stop20h 30m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$513
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Fri 11/6
5:33 pm-4:00 pm
2 stops16h 27m
Porto
Fri 11/13
12:25 pm-11:59 pm
2 stops17h 34m
$621
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 11/4
7:00 am-3:20 pm
3 stops26h 20m
Porto
Wed 11/11
12:35 pm-8:37 am
2 stops26h 02m
$627
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Fri 11/6
7:15 am-8:15 am
1 stop19h 00m
Porto
Fri 11/13
5:55 am-11:12 pm
2 stops23h 17m
$630
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 12/9
8:00 am-8:15 am
2 stops18h 15m
Porto
Fri 1/8
5:00 am-8:45 pm
2 stops21h 45m
$643
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 12/9
8:00 am-8:15 am
2 stops18h 15m
Porto
Sat 1/9
5:55 am-8:45 pm
2 stops20h 50m
$703
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 12/9
6:40 pm-4:50 pm
1 stop16h 10m
Porto
Sat 1/9
8:00 pm-4:40 pm
1 stop26h 40m
$706
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 12/9
6:40 pm-4:50 pm
1 stop16h 10m
Porto
Fri 1/8
6:05 pm-4:40 pm
1 stop28h 35m
$733
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Sun 10/18
6:00 am-9:45 am
2 stops21h 45m
Porto
Mon 10/26
12:30 pm-8:37 am
2 stops25h 07m
$755
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Nashville to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Nashville to Porto in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Nashville-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Nashville-Porto flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Nashville-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Nashville-Porto flights, Cheapflights users trust Ovago the most. Ovago 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 Nashville-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 Nashville to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Nashville with our price prediction graph.
BNA-OPO
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 Nashville to Porto
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated September 24, 2026.
Read through reviews of airlines operating flights from Nashville to Porto, such as KLM,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Nashville to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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Nashville and Porto flights
Browse other Nashville and Porto flight options. Last updated on September 24, 2026.
Other flights from Nashville
Browse through other flights departing from Nashville. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 24, 2026.
Top 3 airlines flying from Nashville to Porto
Discover the top 3 airlines that operate flights from Nashville to Porto. 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$746 | Average$836 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$751 | Average$1,169 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$792 | Average$792 | FlexibilityNo cancel fee | On-time75% |