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$311+ Cheap flights from Cleveland (CLE) 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — OPO
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap 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 July 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/25. 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 11/165:21 pm
CLE
-
OPO
1 stop11h 09m
United Airlines
Fri 11/206:00 am
OPO
-
CLE
2 stops41h 17m
United Airlines
Deal found 7/25$720
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:04 pm
CLE
-
OPO
1 stop12h 26m
United Airlines
Thu 11/56:00 am
OPO
-
CLE
2 stops20h 44m
United Airlines
Deal found 7/27$722
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 10/272:20 pm
CLE
-
OPO
2 stops16h 15m
Delta
Tue 11/35:00 am
OPO
-
CLE
2 stops23h 35m
Delta
Deal found 7/27$727
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 12/45:09 pm
CLE
-
OPO
1 stop10h 56m
Delta
Tue 12/155:00 am
OPO
-
CLE
2 stops22h 26m
Delta
Deal found 7/28$768
This KAYAK deal was found by Cheapflights users on 7/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:04 pm
CLE
-
OPO
1 stop13h 26m
Lufthansa
Tue 11/36:00 am
OPO
-
CLE
2 stops21h 15m
Lufthansa
Deal found 7/27$771
This KAYAK deal was found by Cheapflights users on 7/26. 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.
Mon 10/265:21 pm
CLE
-
OPO
1 stop12h 09m
Multiple Airlines
Tue 11/37:20 pm
OPO
-
CLE
2 stops31h 55m
Multiple Airlines
Deal found 7/26$773
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:10 pm
CLE
-
OPO
2 stops12h 20m
United Airlines
Tue 12/156:00 am
OPO
-
CLE
2 stops16h 40m
United Airlines
Deal found 7/27$776
This United Airlines deal was found by Cheapflights users on 7/25. 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 10/255:15 pm
CLE
-
OPO
1 stop12h 15m
United Airlines
Fri 11/612:35 pm
OPO
-
CLE
1 stop13h 12m
United Airlines
Deal found 7/25$787

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 July 30, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$720
(United Airlines)

One-way from

$311
(Kiwi.com)
Provider with most accurate pricing for Cleveland Hopkins Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Porto flights.
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From Cleveland Hopkins Intl to Porto
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One-way flight from Cleveland Hopkins Intl to Porto
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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 July 30, 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

Price

Cheapest round-trip

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Mon 11/16

5:21 pm-9:30 am

1 stop11h 09m

Porto

Fri 11/20

6:00 am-6:17 pm

2 stops41h 17m

$720

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Mon 11/2

4:04 pm-9:30 am

1 stop12h 26m

Porto

Thu 11/5

6:00 am-9:44 pm

2 stops20h 44m

$722

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Fri 12/4

5:30 pm-9:30 am

1 stop11h 00m

Porto

Tue 12/15

6:00 am-6:19 pm

2 stops41h 19m

$764
Quickest round-trip

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Fri 12/4

5:30 pm-9:30 am

1 stop11h 00m

Porto

Tue 12/15

6:00 am-5:40 pm

2 stops16h 40m

$772

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sat 10/24

7:57 pm-10:30 am

2 stops33h 33m

Porto

Sun 11/1

12:35 pm-10:55 am

1 stop27h 20m

$862

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sun 1/10

6:55 pm-3:20 pm

2 stops15h 25m

Porto

Wed 1/13

12:35 pm-11:58 pm

2 stops16h 23m

$872
Cheapest one-way

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Tue 10/20

1:56 pm-9:15 pm

3 stops26h 19m

$311

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Fri 10/16

8:40 pm-8:50 pm

1 stop19h 10m

$410

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sat 10/17

8:10 pm-11:15 pm

3 stops22h 05m

$516

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sun 8/16

11:28 am-10:25 am

1 stop17h 57m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 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.
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 July 30, 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.
United Airlines
7.4
Good
10,052 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,052 reviews
United Airlines
7.4
Good
10,052 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 $722, United Airlines can have you in Porto from Cleveland in 12h 26m. Airlines will cover a distance of 3671 mi.

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

    Currently priced at $601, 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.

  • 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.

See more FAQs

Traveling to a place near Porto?

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

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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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$601Average$1,046FlexibilityNo cancel feeOn-time69%

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