$311+ Cheap flights from Nashville (BNA) to Porto (OPO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Sep 9 — Sep 161
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
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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 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 August 10, 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 August 10, 2026.
This Expedia deal was found by Cheapflights users on 8/6. 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 10/218:15 am -
1 stop16h 45m
Wed 10/286:00 am -
2 stops16h 32m
Deal found 8/6![Multiple Airlines logo]()
$826
This Expedia deal was found by Cheapflights users on 8/10. 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.
Sun 12/278:00 am -
2 stops45h 15m
Sat 1/96:10 am -
2 stops19h 28m
Deal found 8/10![Multiple Airlines logo]()
$839
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/216:00 am -
3 stops19h 00m
Wed 10/286:00 am -
2 stops20h 50m
Deal found 8/6![United Airlines logo]()
$856
This Expedia deal was found by Cheapflights users on 8/6. 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.
Thu 10/226:35 pm -
2 stops30h 35m
Wed 10/286:00 am -
2 stops16h 32m
Deal found 8/6![Multiple Airlines logo]()
$883
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/291:40 pm -
2 stops35h 20m
Tue 10/612:15 pm -
2 stops35h 22m
Deal found 8/6![United Airlines logo]()
$897
This KLM deal was found by Cheapflights users on 8/7. 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.
Tue 9/299:57 am -
1 stop18h 33m
Tue 10/65:00 am -
2 stops18h 16m
Deal found 8/7![KLM logo]()
$901
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 10/221:54 pm -
1 stop14h 36m
Wed 10/285:00 am -
2 stops22h 09m
Deal found 8/6![Delta logo]()
$904
This Delta deal was found by Cheapflights users on 8/10. 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 9/2912:44 pm -
2 stops15h 46m
Tue 10/65:00 am -
2 stops19h 21m
Deal found 8/10![Delta logo]()
$905
This KAYAK deal was found by Cheapflights users on 8/10. 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.
Sun 12/276:15 am -
1 stop21h 15m
Sat 1/96:10 am -
2 stops38h 47m
Deal found 8/10![Lufthansa logo]()
$908
This Air Canada deal was found by Cheapflights users on 8/7. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:00 am -
1 stop17h 00m
Tue 10/612:15 pm -
1 stop14h 39m
Deal found 8/7![Air Canada logo]()
$938
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 August 10, 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 August 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/216:00 am -
3 stops19h 00m
Wed 10/286:00 am -
2 stops20h 50m
Deal found 8/6![United Airlines logo]()
$856
This KLM deal was found by Cheapflights users on 8/6. 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.
Tue 9/299:57 am -
1 stop18h 33m
Tue 10/65:00 am -
2 stops18h 16m
Deal found 8/6![KLM logo]()
$901
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 10/221:54 pm -
1 stop14h 36m
Wed 10/285:00 am -
2 stops22h 09m
Deal found 8/6![Delta logo]()
$904
This Air Canada deal was found by Cheapflights users on 8/6. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:00 am -
1 stop17h 00m
Tue 10/612:15 pm -
1 stop14h 39m
Deal found 8/6![Air Canada logo]()
$976
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/291:40 pm -
2 stops35h 20m
Tue 10/612:15 pm -
2 stops35h 22m
Deal found 8/6![United Airlines logo]()
$897
This Delta deal was found by Cheapflights users on 8/6. 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 9/292:29 pm -
2 stops18h 56m
Tue 10/65:00 am -
2 stops18h 27m
Deal found 8/6![Delta logo]()
$905
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:02 am -
3 stops18h 58m
Sun 9/276:00 am -
2 stops18h 39m
Deal found 8/9![United Airlines logo]()
$1,001
This Delta deal was found by Cheapflights users on 8/8. 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.
Sat 10/1710:15 am -
1 stop18h 05m
Sun 10/255:55 am -
2 stops21h 43m
Deal found 8/8![Delta logo]()
$1,009
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 pm -
2 stops15h 05m
Sat 9/266:10 am -
2 stops21h 00m
Deal found 8/9![Delta logo]()
$1,010
This United Airlines deal was found by Cheapflights users on 8/7. 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 1/1111:32 am -
2 stops17h 28m
Wed 1/135:00 am -
2 stops23h 00m
Deal found 8/7![United Airlines logo]()
$1,019
Last-minute flights from Nashville to PortoDiscover last-minute flight deals from Nashville to Porto. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Porto. Data last updated August 10, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/8. 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.
Sun 9/136:33 pm -
2 stops22h 52m
Mon 9/217:20 pm -
2 stops30h 46m
Deal found 8/8![Multiple Airlines logo]()
$947
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am -
1 stop17h 00m
Sun 9/276:00 am -
2 stops18h 39m
Deal found 8/9![United Airlines logo]()
$997
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:35 pm -
1 stop20h 45m
Sat 10/39:50 pm -
2 stops40h 52m
Deal found 8/7![Multiple Airlines logo]()
$970
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/291:40 pm -
2 stops35h 20m
Tue 10/612:15 pm -
2 stops35h 22m
Deal found 8/6![United Airlines logo]()
$897
This KLM deal was found by Cheapflights users on 8/7. 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.
Tue 9/299:57 am -
1 stop18h 33m
Tue 10/65:00 am -
2 stops18h 16m
Deal found 8/7![KLM logo]()
$901
This Delta deal was found by Cheapflights users on 8/7. 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 9/292:29 pm -
2 stops18h 56m
Tue 10/65:00 am -
2 stops18h 27m
Deal found 8/7![Delta logo]()
$905
This Air Canada deal was found by Cheapflights users on 8/7. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:00 am -
1 stop17h 00m
Tue 10/612:15 pm -
1 stop14h 39m
Deal found 8/7![Air Canada logo]()
$938
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 August 10, 2026.
Search for one-way flight options from Nashville to Porto. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 pm -
3 stops45h 45m
Deal found 8/7![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:40 pm -
3 stops45h 40m
Deal found 8/8![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:35 pm -
2 stops46h 25m
Deal found 8/7![Multiple Airlines logo]()
$444
This Air France deal was found by Cheapflights users on 8/10. 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.
Thu 9/176:20 pm -
2 stops15h 05m
Deal found 8/10![Air France logo]()
$527
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/175:03 pm -
2 stops31h 47m
Deal found 8/8![United Airlines logo]()
$529
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 August 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $754 (United Airlines) |
One-way from | $311 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $1,678 |
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 2,558,603 searches. Data last updated August 10, 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
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 10/21
6:00 am-7:00 am
3 stops19h 00m
Porto
Wed 10/28
6:00 am-9:50 pm
2 stops20h 50m
$856
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Tue 9/29
1:40 pm-7:00 am
2 stops35h 20m
Porto
Tue 10/6
12:15 pm-5:37 pm
2 stops35h 22m
$897
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Tue 9/29
9:57 am-10:30 am
1 stop18h 33m
Porto
Tue 10/6
5:00 am-5:16 pm
2 stops18h 16m
$901
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Thu 10/22
1:54 pm-10:30 am
1 stop14h 36m
Porto
Wed 10/28
5:00 am-10:09 pm
2 stops22h 09m
$904
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Tue 9/29
2:29 pm-3:25 pm
2 stops18h 56m
Porto
Tue 10/6
5:00 am-5:27 pm
2 stops18h 27m
$905
Quickest round-trip
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Tue 9/29
8:00 am-7:00 am
1 stop17h 00m
Porto
Tue 10/6
12:15 pm-8:54 pm
1 stop14h 39m
$976
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 9/16
6:02 am-7:00 am
3 stops18h 58m
Porto
Sun 9/27
6:00 am-6:39 pm
2 stops18h 39m
$1,001
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Sat 10/17
10:15 am-10:20 am
1 stop18h 05m
Porto
Sun 10/25
5:55 am-10:38 pm
2 stops21h 43m
$1,009
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Wed 9/16
6:20 pm-3:25 pm
2 stops15h 05m
Porto
Sat 9/26
6:10 am-9:10 pm
2 stops21h 00m
$1,010
NashvillePorto
BNA Nashville Intl - OPO Porto
BNAOPO
Nashville Intl
Mon 1/11
11:32 am-11:00 am
2 stops17h 28m
Porto
Wed 1/13
5:00 am-10:00 pm
2 stops23h 00m
$1,019
Showing 1-10 of 13 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 August.
| 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.
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 August 10, 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.
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - 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
Browse thousands of different options on Cheapflights for your next trip
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Nashville and Porto flights
Browse other Nashville and Porto flight options. Last updated on August 10, 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 August 10, 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 August 10, 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 2,558,603 searches. Data last updated August 10, 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% |