$340+ Cheap flights from LaGuardia, NY (LGA) 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — OPO
Oct 17 — Oct 241
Round-trip
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 LaGuardia to Porto
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Cheapest flights from LaGuardia to PortoExplore the most affordable flight options available from LaGuardia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from LaGuardia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
2 stops18h 15m
Wed 10/2110:30 pm -
3 stops29h 06m
Deal found 9/14![Multiple Airlines logo]()
$633
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:30 pm -
2 stops14h 20m
Mon 11/309:55 pm -
3 stops26h 11m
Deal found 9/16![Multiple Airlines logo]()
$636
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:30 pm -
2 stops23h 50m
Thu 11/58:05 pm -
3 stops28h 01m
Deal found 9/15![Multiple Airlines logo]()
$638
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:55 pm -
2 stops25h 15m
Sat 11/77:50 pm -
2 stops27h 08m
Deal found 9/15![Multiple Airlines logo]()
$641
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:30 pm -
2 stops13h 05m
Sun 11/157:35 am -
2 stops18h 56m
Deal found 9/12![Multiple Airlines logo]()
$643
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:35 pm -
3 stops22h 40m
Sat 11/219:55 pm -
3 stops26h 11m
Deal found 9/12![Multiple Airlines logo]()
$649
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:30 pm -
2 stops17h 45m
Mon 10/1910:40 pm -
3 stops23h 11m
Deal found 9/14![Multiple Airlines logo]()
$656
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:45 pm -
2 stops24h 00m
Mon 10/1910:25 pm -
2 stops22h 21m
Deal found 9/12![Multiple Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:30 pm -
2 stops14h 15m
Tue 11/312:25 pm -
2 stops13h 52m
Deal found 9/12![American Airlines logo]()
$661
Best flights from LaGuardia to PortoDiscover carefully curated flight deals from LaGuardia to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from LaGuardia to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 12/612:00 pm -
2 stops17h 35m
Tue 12/155:00 am -
2 stops18h 29m
Deal found 9/14![Delta logo]()
$689
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:35 pm -
2 stops17h 25m
Mon 11/309:55 pm -
3 stops23h 56m
Deal found 9/16![Multiple Airlines logo]()
$763
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/2310:35 am -
1 stop15h 35m
Mon 11/26:00 am -
2 stops22h 34m
Deal found 9/15![United Airlines logo]()
$771
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Tue 10/133:30 pm -
1 stop10h 30m
Sat 10/2411:20 am -
1 stop13h 16m
Deal found 9/16![Lufthansa logo]()
$1,145
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/317:50 pm -
2 stops39h 30m
Sun 11/86:00 am -
2 stops37h 15m
Deal found 9/15![United Airlines logo]()
$772
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:29 am -
2 stops17h 11m
Tue 12/18:40 pm -
2 stops28h 20m
Deal found 9/14![Multiple Airlines logo]()
$890
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/610:00 am -
2 stops24h 20m
Tue 11/1012:35 pm -
2 stops39h 59m
Deal found 9/15![United Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/276:00 am -
2 stops24h 40m
Mon 11/3012:30 pm -
2 stops35h 36m
Deal found 9/15![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/166:00 am -
2 stops20h 10m
Mon 10/1912:10 pm -
2 stops40h 20m
Deal found 9/16![United Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/226:00 am -
2 stops24h 15m
Tue 10/2712:35 pm -
2 stops34h 44m
Deal found 9/14![United Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/96:00 am -
2 stops28h 45m
Mon 10/126:00 am -
2 stops22h 30m
Deal found 9/16![United Airlines logo]()
$1,026
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/110:25 am -
2 stops19h 50m
Mon 10/56:00 am -
2 stops37h 09m
Deal found 9/16![United Airlines logo]()
$1,032
Last-minute flights from LaGuardia to PortoDiscover last-minute flight deals from LaGuardia to Porto. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Porto. Data last updated September 17, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:45 pm -
2 stops24h 00m
Mon 10/1910:25 pm -
2 stops22h 21m
Deal found 9/12![Multiple Airlines logo]()
$658
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:30 pm -
2 stops17h 45m
Mon 10/1910:40 pm -
3 stops23h 11m
Deal found 9/14![Multiple Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/128:30 pm -
1 stop29h 30m
Wed 11/46:00 am -
2 stops22h 34m
Deal found 9/13![United Airlines logo]()
$671
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
2 stops18h 15m
Wed 10/2110:30 pm -
3 stops29h 06m
Deal found 9/14![Multiple Airlines logo]()
$633
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:35 pm -
2 stops21h 45m
Mon 11/24:00 pm -
3 stops32h 06m
Deal found 9/15![Multiple Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:30 pm -
2 stops14h 15m
Tue 11/312:25 pm -
2 stops13h 52m
Deal found 9/12![American Airlines logo]()
$661
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:30 pm -
2 stops23h 50m
Thu 11/58:05 pm -
3 stops28h 01m
Deal found 9/15![Multiple Airlines logo]()
$638
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:55 pm -
2 stops25h 15m
Sat 11/77:50 pm -
2 stops27h 08m
Deal found 9/15![Multiple Airlines logo]()
$636
One-way flights from LaGuardia to PortoSearch for one-way flight options from LaGuardia to Porto. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from LaGuardia to Porto. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 10/122:30 pm -
2 stops35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 9/285:35 pm -
2 stops21h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 12/75:35 pm -
2 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/143:30 pm -
2 stops34h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/112:30 pm -
2 stops37h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/132:30 pm -
2 stops22h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Wed 10/214:45 pm -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sun 12/65:35 pm -
2 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/293:30 pm -
2 stops18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$359
Find flight deals from LaGuardia to Porto
Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) 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 17, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $633 (Mytrip) |
One-way from | $340 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $921 |
Cheapflights Fare Finder
Customize your flight search to find flights from LaGuardia 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 17, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Sat 10/17
2:36 pm-8:15 pm
2 stops24h 39m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$382
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Thu 10/1
4:45 pm-6:50 am
3 stops33h 05m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$392
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Wed 10/14
3:30 pm-7:00 am
1 stop10h 30m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$417
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Sat 10/17
3:30 pm-6:50 am
1 stop10h 20m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$430
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Sun 9/20
4:45 pm-7:30 am
3 stops33h 45m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$444
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Fri 10/30
9:40 am-7:05 am
1 stop17h 25m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$451
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Wed 9/23
9:55 am-11:55 am
1 stop21h 00m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$478
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Wed 11/18
3:29 pm-4:50 pm
2 stops20h 21m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$485
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Thu 11/5
6:35 pm-7:05 am
1 stop31h 30m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$581
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Sun 12/6
12:00 pm-10:35 am
2 stops17h 35m
Porto
Tue 12/15
5:00 am-6:29 pm
2 stops18h 29m
$689
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from LaGuardia 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 LaGuardia to Porto in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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 New York LaGuardia Airport-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on New York LaGuardia Airport-Porto flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on New York LaGuardia Airport-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 New York LaGuardia Airport-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 LaGuardia to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from LaGuardia with our price prediction graph.
LGA-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.
Related info for your journey
Find useful and relevant information for your journey from LaGuardia 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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