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$533+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — OPO
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Find flight deals from Cleveland to Porto

Cheapest flights from Cleveland to Porto
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 octubre 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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.
mié. 12/312:09 pmCLE - OPO
2 stops17h 21mDelta
dom. 12/711:15 amOPO - CLE
2 stops34h 40mDelta
Deal found 10/27$541
This Delta deal was found by Cheapflights users on 10/27. 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.
mar. 12/305:58 pmCLE - OPO
2 stops16h 27mDelta
dom. 1/411:15 amOPO - CLE
2 stops18h 27mDelta
Deal found 10/27$1,286
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
mar. 12/307:05 amCLE - OPO
2 stops31h 20mMultiple Airlines
dom. 1/47:55 amOPO - CLE
1 stop16h 20mMultiple Airlines
Deal found 10/27$1,530

Cheap 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$533
(United Airlines)

Popular in

January

Cheapest in

November

Average price

$867
Provider with most accurate pricing for Cleveland Hopkins Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Porto flights.
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From Cleveland Hopkins Intl to Porto
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($100 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 2,558,603 searches. Data last updated octubre 28, 2025.
Use the filters below to find and compare flights from Cleveland to Porto that are best for you.

Fly from

Cleveland

Fly to

Porto

Route

Depart

Return

Price

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

sáb. 2/21

7:10 pm-9:30 am

1 stop9h 20m

Porto

sáb. 2/28

6:00 am-8:32 pm

2 stops19h 32m

$533

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

mié. 12/3

2:19 pm-10:30 am

2 stops15h 11m

Porto

dom. 12/7

11:15 am-4:55 pm

2 stops34h 40m

$541

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

dom. 2/22

7:10 pm-9:30 am

1 stop9h 20m

Porto

sáb. 2/28

12:30 pm-6:29 pm

2 stops34h 59m

$627

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

mié. 4/8

6:50 pm-9:45 am

1 stop9h 55m

Porto

mié. 4/22

6:00 am-9:59 pm

2 stops20h 59m

$743

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

dom. 4/5

5:30 pm-9:45 am

1 stop11h 15m

Porto

dom. 4/12

12:00 pm-9:34 am

2 stops26h 34m

$804

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

sáb. 2/21

6:10 pm-9:05 pm

3 stops21h 55m

Porto

sáb. 2/28

8:50 am-11:20 am

2 stops31h 30m

$956

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cleveland-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cleveland-Porto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cleveland to Porto

What is the cheapest month to book a flight from Cleveland to Porto?

Currently, September is the cheapest month in which you can book a flight from Cleveland to Porto (average of $441). Flying from Cleveland to Porto in June is currently the most expensive (average of $1,088). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CLE to OPO?

Find hourly flight availability from Cleveland to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 28, 2025.

When flying from Cleveland to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight in the afternoon.

How much does it cost to fly round-trip from Cleveland to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated octubre 28, 2025.
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.
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Cleveland to Porto?

    For as low as $533, United Airlines can have you in Porto from Cleveland in 9h 20m. Airlines will cover a distance of 3671 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Cleveland to Porto round-trip?

    Currently priced at $628, United Airlines will fly you from Cleveland to Porto and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. This flight start at 46% lower than the current average price 3 months from now.

  • Can I find deals for flights from Cleveland to Porto that include hotel bookings?

    Yes. In addition to deals on Cleveland to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cleveland to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cleveland to Porto.

  • Can I find deals for business class flights from Cleveland to Porto?

    Yes. Cheapflights offers flight deals from Cleveland to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cleveland to Porto?

    Currently, September is the cheapest month in which you can book a flight from Cleveland to Porto (average of $441). Flying from Cleveland to Porto in June is currently the most expensive (average of $1,088). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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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 2,558,603 searches. Data last updated octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,168FlexibilityNo cancel feeOn-time69%

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