$384+ Cheap flights from Cleveland (CLE) 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — OPO
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Cleveland 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 Cleveland to Porto
Cheapest
Best
Last-minute
One-way
Cheapest flights from Cleveland to PortoExplore the most affordable flight options available from Cleveland 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 Cleveland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
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.
Sun 11/86:24 am -
1 stop22h 06m
Tue 11/2412:35 pm -
1 stop13h 12m
Deal found 9/14![United Airlines logo]()
$556
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.
Sun 11/85:48 pm -
2 stops17h 57m
Tue 11/248:20 am -
2 stops16h 43m
Deal found 9/14![British Airways logo]()
$557
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 12/411:50 am -
1 stop16h 40m
Tue 12/1512:35 pm -
1 stop13h 08m
Deal found 9/16![United Airlines logo]()
$615
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:58 am -
2 stops15h 42m
Thu 11/58:20 am -
2 stops19h 35m
Deal found 9/13![American Airlines logo]()
$621
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.
Sat 10/247:57 pm -
2 stops33h 33m
Mon 11/212:30 pm -
2 stops58h 12m
Deal found 9/13![United Airlines logo]()
$624
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:31 am -
1 stop15h 44m
Fri 11/65:00 am -
2 stops18h 34m
Deal found 9/15![Multiple Airlines logo]()
$630
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:03 am -
2 stops19h 32m
Thu 11/510:15 am -
1 stop17h 47m
Deal found 9/13![Delta logo]()
$635
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 10/308:45 am -
2 stops20h 45m
Fri 11/66:00 am -
2 stops22h 59m
Deal found 9/15![United Airlines logo]()
$637
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.
Sat 10/317:45 pm -
2 stops33h 45m
Sat 11/712:30 pm -
2 stops50h 11m
Deal found 9/16![United Airlines logo]()
$668
Best flights from Cleveland to PortoDiscover carefully curated flight deals from Cleveland 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 Cleveland 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 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 12/411:50 am -
1 stop16h 40m
Tue 12/1512:35 pm -
1 stop13h 08m
Deal found 9/16![United Airlines logo]()
$615
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:00 pm -
2 stops17h 35m
Mon 11/210:15 am -
1 stop17h 47m
Deal found 9/16![Air France logo]()
$684
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.
Sat 10/246:00 am -
2 stops47h 30m
Mon 11/212:30 pm -
2 stops33h 19m
Deal found 9/14![United Airlines logo]()
$647
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.
Tue 3/25:30 pm -
1 stop11h 00m
Fri 3/56:00 am -
2 stops41h 19m
Deal found 9/16![United Airlines logo]()
$720
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 3/14:00 pm -
1 stop12h 30m
Fri 3/56:00 am -
2 stops41h 19m
Deal found 9/13![United Airlines logo]()
$721
Last-minute flights from Cleveland to PortoDiscover last-minute flight deals from Cleveland to Porto. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Cleveland to Porto. Data last updated September 17, 2026 and is based on user searches.
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.
Wed 10/212:45 pm -
1 stop11h 15m
Mon 10/2612:30 pm -
2 stops27h 08m
Deal found 9/14![United Airlines logo]()
$677
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.
Sat 10/247:57 pm -
2 stops33h 33m
Mon 11/212:30 pm -
2 stops58h 12m
Deal found 9/13![United Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 9/17. 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 10/244:07 pm -
2 stops14h 28m
Mon 11/210:15 am -
1 stop17h 47m
Deal found 9/17![Delta logo]()
$684
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:58 am -
2 stops15h 42m
Thu 11/58:20 am -
2 stops19h 35m
Deal found 9/13![American Airlines logo]()
$621
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:03 am -
2 stops19h 32m
Thu 11/510:15 am -
1 stop17h 47m
Deal found 9/13![Delta logo]()
$635
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:31 am -
1 stop15h 44m
Fri 11/65:00 am -
2 stops18h 34m
Deal found 9/15![Multiple Airlines logo]()
$630
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 10/308:45 am -
2 stops20h 45m
Fri 11/66:00 am -
2 stops22h 59m
Deal found 9/15![United Airlines logo]()
$637
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.
Sat 10/317:45 pm -
2 stops33h 45m
Sat 11/712:30 pm -
2 stops50h 11m
Deal found 9/16![United Airlines logo]()
$668
One-way flights from Cleveland to PortoSearch for one-way flight options from Cleveland to Porto. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Cleveland to Porto. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
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.
Thu 12/3110:31 am -
2 stops17h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$384
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.
Sat 10/3110:44 am -
3 stops47h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$419
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.
Wed 10/218:40 pm -
3 stops31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$420
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:45 pm -
1 stop11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$439
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.
Wed 10/212:45 pm -
1 stop11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$462
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.
Sun 10/1112:53 pm -
1 stop15h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$463
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.
Thu 10/16:00 am -
3 stops46h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$465
Find flight deals from Cleveland to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Cleveland (CLE) 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 | $556 (United Airlines) |
One-way from | $384 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Cleveland 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 Cleveland to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Thu 12/31
10:31 am-9:30 am
2 stops17h 59m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$384
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Wed 10/21
8:40 pm-9:25 am
3 stops31h 45m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$420
Quickest round-trip
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Wed 10/21
2:45 pm-7:00 am
1 stop11h 15m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$439
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Wed 10/21
2:45 pm-7:00 am
1 stop11h 15m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$462
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Sun 10/11
12:53 pm-9:45 am
1 stop15h 52m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$463
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Wed 10/21
12:53 pm-10:55 pm
2 stops29h 02m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$501
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Sun 10/11
11:31 am-10:25 am
1 stop17h 54m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$539
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Fri 12/4
11:50 am-9:30 am
1 stop16h 40m
Porto
Tue 12/15
12:35 pm-8:43 pm
1 stop13h 08m
$615
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Sat 10/24
6:00 am-10:30 am
2 stops47h 30m
Porto
Mon 11/2
12:30 pm-4:49 pm
2 stops33h 19m
$647
ClevelandPorto
CLE Cleveland Hopkins Intl - OPO Porto
CLEOPO
Cleveland Hopkins Intl
Sat 10/24
1:00 pm-11:35 am
2 stops17h 35m
Porto
Mon 11/2
10:15 am-11:02 pm
1 stop17h 47m
$684
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Cleveland 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 Cleveland to Porto in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 Cleveland-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Cleveland-Porto flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Cleveland-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cleveland-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 Cleveland-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 Cleveland to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Cleveland with our price prediction graph.
CLE-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 September 17, 2026.
Peruse reviews from past customers who have flown with United Airlines from Cleveland to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Crew
8.1
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Crew
8.1
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Cleveland 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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Cleveland and Porto flights
Browse other Cleveland and Porto flight options. Last updated on September 17, 2026.
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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 17, 2026.
Top airline flying from Cleveland to Porto
Discover the top airline that operate flights from Cleveland 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$601 | Average$998 | FlexibilityNo cancel fee | On-time69% |