$341+ Cheap flights from LaGuardia, NY (LGA) 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — OPO
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from LaGuardia 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 LaGuardia to Porto
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Best
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One-way
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 August 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 August 17, 2026.
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Mon 9/284:00 pm -
2 stops24h 00m
Mon 10/1210:30 pm -
3 stops29h 06m
Deal found 8/15![Multiple Airlines logo]()
$690
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/283:30 pm -
2 stops15h 50m
Wed 10/77:15 am -
2 stops17h 21m
Deal found 8/12![Multiple Airlines logo]()
$701
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:30 pm -
2 stops19h 40m
Mon 10/510:40 pm -
2 stops27h 19m
Deal found 8/13![Multiple Airlines logo]()
$708
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Tue 9/153:30 pm -
2 stops21h 20m
Tue 9/226:15 am -
2 stops19h 44m
Deal found 8/16![Multiple Airlines logo]()
$710
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Wed 9/164:45 pm -
2 stops13h 50m
Thu 9/2410:00 pm -
2 stops26h 36m
Deal found 8/15![Multiple Airlines logo]()
$717
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/304:45 pm -
2 stops18h 25m
Sun 10/46:00 pm -
3 stops30h 36m
Deal found 8/14![Multiple Airlines logo]()
$718
This Gotogate deal was found by Cheapflights users on 8/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:30 pm -
1 stop10h 30m
Fri 11/68:40 am -
2 stops15h 26m
Deal found 8/12![Multiple Airlines logo]()
$721
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:30 pm -
2 stops21h 15m
Mon 9/2110:40 pm -
2 stops25h 56m
Deal found 8/13![Multiple Airlines logo]()
$723
This Mytrip deal was found by Cheapflights users on 8/12. 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 10/1211:35 am -
2 stops21h 00m
Mon 10/199:15 am -
2 stops16h 44m
Deal found 8/12![Multiple Airlines logo]()
$724
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 August 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 August 17, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 10/118:30 pm -
1 stop29h 30m
Wed 10/2111:20 am -
1 stop13h 16m
Deal found 8/16![United Airlines logo]()
$886
This Lufthansa deal was found by Cheapflights users on 8/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:30 pm -
1 stop10h 30m
Wed 10/711:20 am -
1 stop13h 16m
Deal found 8/14![Lufthansa logo]()
$956
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/158:30 pm -
1 stop29h 40m
Thu 10/2211:50 am -
1 stop26h 55m
Deal found 8/16![United Airlines logo]()
$891
This United Airlines deal was found by Cheapflights users on 8/12. 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 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
Mon 10/1912:10 pm -
2 stops50h 34m
Deal found 8/12![United Airlines logo]()
$891
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/286:00 am -
2 stops20h 00m
Thu 11/126:00 am -
2 stops22h 34m
Deal found 8/15![United Airlines logo]()
$894
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:30 pm -
1 stop29h 30m
Tue 10/1312:15 pm -
2 stops31h 08m
Deal found 8/12![United Airlines logo]()
$908
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/283:30 pm -
1 stop10h 30m
Mon 10/512:10 pm -
2 stops40h 20m
Deal found 8/14![United Airlines logo]()
$930
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 9/88:27 pm -
2 stops29h 33m
Sun 9/1312:15 pm -
2 stops35h 10m
Deal found 8/16![United Airlines logo]()
$942
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/78:45 am -
1 stop17h 15m
Wed 9/2311:20 am -
1 stop13h 16m
Deal found 8/13![United Airlines logo]()
$951
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/86:00 am -
2 stops28h 45m
Tue 10/1312:15 pm -
2 stops32h 00m
Deal found 8/16![United Airlines logo]()
$954
Last-minute flights from LaGuardia to PortoDiscover last-minute flight deals from LaGuardia to Porto. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Porto. Data last updated August 17, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/710:40 am -
2 stops30h 05m
Tue 9/1510:25 pm -
2 stops21h 34m
Deal found 8/14![Multiple Airlines logo]()
$775
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:30 pm -
2 stops21h 15m
Mon 9/2110:40 pm -
2 stops25h 56m
Deal found 8/13![Multiple Airlines logo]()
$723
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Tue 9/153:30 pm -
2 stops21h 20m
Tue 9/226:15 am -
2 stops19h 44m
Deal found 8/16![Multiple Airlines logo]()
$710
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Wed 9/164:45 pm -
2 stops13h 50m
Thu 9/2410:00 pm -
2 stops26h 36m
Deal found 8/15![Multiple Airlines logo]()
$717
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Mon 9/284:00 pm -
2 stops24h 00m
Mon 10/1210:30 pm -
3 stops29h 06m
Deal found 8/15![Multiple Airlines logo]()
$690
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/283:30 pm -
2 stops15h 50m
Wed 10/77:15 am -
2 stops17h 21m
Deal found 8/12![Multiple Airlines logo]()
$701
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:30 pm -
2 stops19h 40m
Mon 10/510:40 pm -
2 stops27h 19m
Deal found 8/13![Multiple Airlines logo]()
$708
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/304:45 pm -
2 stops18h 25m
Sun 10/46:00 pm -
3 stops30h 36m
Deal found 8/14![Multiple Airlines logo]()
$718
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Wed 9/305:30 pm -
2 stops21h 15m
Sun 10/119:00 pm -
2 stops27h 36m
Deal found 8/12![Multiple Airlines logo]()
$771
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 August 17, 2026.
Search for one-way flight options from LaGuardia to Porto. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Tue 9/226:30 am -
2 stops30h 20m
Deal found 8/16![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/285:35 pm -
2 stops37h 00m
Deal found 8/13![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/112:30 pm -
2 stops37h 55m
Deal found 8/15![Multiple Airlines logo]()
$351
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Tue 10/203:30 pm -
2 stops15h 05m
Deal found 8/14![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/213:30 pm -
2 stops34h 20m
Deal found 8/14![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/233:30 pm -
2 stops24h 25m
Deal found 8/14![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:30 pm -
2 stops43h 15m
Deal found 8/16![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 10/304:20 pm -
2 stops24h 55m
Deal found 8/14![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/73:30 pm -
2 stops27h 10m
Deal found 8/13![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 10/74:45 pm -
2 stops36h 00m
Deal found 8/13![Multiple Airlines logo]()
$369
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 August 17, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $690 (Mytrip) |
One-way from | $341 (Mytrip) |
Popular in | December |
Cheapest in | February |
Average price | $945 |
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 2,558,603 searches. Data last updated August 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
Sun 10/11
8:30 pm-7:00 am
1 stop29h 30m
Porto
Wed 10/21
11:20 am-7:36 pm
1 stop13h 16m
$886
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Thu 10/15
8:30 pm-7:10 am
1 stop29h 40m
Porto
Thu 10/22
11:50 am-9:45 am
1 stop26h 55m
$891
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Mon 10/12
8:30 pm-7:00 am
1 stop29h 30m
Porto
Mon 10/19
12:10 pm-9:44 am
2 stops50h 34m
$891
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Mon 9/28
6:00 am-7:00 am
2 stops20h 00m
Porto
Thu 11/12
6:00 am-11:34 pm
2 stops22h 34m
$894
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Tue 9/29
8:30 pm-7:00 am
1 stop29h 30m
Porto
Tue 10/13
12:15 pm-2:23 pm
2 stops31h 08m
$908
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Mon 9/28
3:30 pm-7:00 am
1 stop10h 30m
Porto
Mon 10/5
12:10 pm-11:30 pm
2 stops40h 20m
$930
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Tue 9/8
8:27 pm-7:00 am
2 stops29h 33m
Porto
Sun 9/13
12:15 pm-6:25 pm
2 stops35h 10m
$942
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Mon 9/7
8:45 am-7:00 am
1 stop17h 15m
Porto
Wed 9/23
11:20 am-7:36 pm
1 stop13h 16m
$951
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Thu 10/8
6:00 am-3:45 pm
2 stops28h 45m
Porto
Tue 10/13
12:15 pm-3:15 pm
2 stops32h 00m
$954
Quickest round-trip
New YorkPorto
LGA New York LaGuardia - OPO Porto
LGAOPO
New York LaGuardia
Mon 9/28
3:30 pm-7:00 am
1 stop10h 30m
Porto
Wed 10/7
11:20 am-7:36 pm
1 stop13h 16m
$956
Showing 1-10 of 19 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 August.
| 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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