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$433+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — OPO
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
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 March 14, 2026.

This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 12/612:22 pm
CLE
-
OPO
2 stops18h 18m
United Airlines
Wed 12/912:30 pm
OPO
-
CLE
2 stops16h 28m
United Airlines
Deal found 3/12$637
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:02 pm
CLE
-
OPO
2 stops16h 43m
Iberia
Wed 4/298:20 am
OPO
-
CLE
2 stops17h 35m
Iberia
Deal found 3/9$640
This United Airlines deal was found by Cheapflights users on 3/11. 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 8/182:45 pm
CLE
-
OPO
1 stop11h 15m
United Airlines
Tue 8/2512:15 pm
OPO
-
CLE
3 stops29h 44m
United Airlines
Deal found 3/11$741
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:30 pm
CLE
-
OPO
2 stops17h 40m
Delta
Sun 5/35:55 am
OPO
-
CLE
2 stops23h 00m
Delta
Deal found 3/12$745
This American Airlines deal was found by Cheapflights users on 3/9. 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 10/69:54 am
CLE
-
OPO
2 stops16h 46m
American Airlines
Sun 10/188:20 am
OPO
-
CLE
2 stops15h 44m
American Airlines
Deal found 3/9$752
This British Airways deal was found by Cheapflights users on 3/9. 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.
Fri 10/169:54 am
CLE
-
OPO
2 stops16h 46m
Multiple Airlines
Sat 10/248:20 am
OPO
-
CLE
2 stops21h 07m
Multiple Airlines
Deal found 3/9$753
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:30 am
CLE
-
OPO
2 stops16h 10m
Iberia
Mon 8/318:40 pm
OPO
-
CLE
2 stops28h 41m
Iberia
Deal found 3/10$763
This Delta deal was found by Cheapflights users on 3/10. 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 5/102:13 pm
CLE
-
OPO
2 stops20h 17m
Delta
Tue 5/195:00 am
OPO
-
CLE
2 stops23h 03m
Delta
Deal found 3/10$786
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 pm
CLE
-
OPO
2 stops16h 25m
Delta
Sat 10/245:00 am
OPO
-
CLE
2 stops20h 57m
Delta
Deal found 3/12$789
This KLM deal was found by Cheapflights users on 3/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:15 am
CLE
-
OPO
1 stop22h 15m
KLM
Sat 10/2411:35 am
OPO
-
CLE
2 stops16h 06m
KLM
Deal found 3/12$792

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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$640
(Expedia)

One-way from

$433
(Kiwi.com)
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.
Search Deals
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 March 14, 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

Thu 7/16

6:00 pm-7:10 am

2 stops32h 10m

Porto

Thu 7/30

11:50 am-3:33 pm

2 stops32h 43m

$902
Quickest round-trip

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sun 8/23

3:54 pm-6:55 am

1 stop10h 01m

Porto

Sun 9/6

9:00 am-6:45 pm

2 stops14h 45m

$938

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Thu 7/16

8:30 am-6:55 am

2 stops17h 25m

Porto

Sun 8/9

12:15 pm-12:59 pm

2 stops29h 44m

$1,018

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Fri 7/17

7:00 am-6:55 am

2 stops18h 55m

Porto

Sun 8/9

12:15 pm-11:41 am

2 stops28h 26m

$1,018

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Mon 7/6

6:15 pm-3:25 pm

2 stops16h 10m

Porto

Mon 7/13

6:30 am-11:08 pm

2 stops21h 38m

$1,032

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Mon 7/6

7:08 pm-9:45 am

1 stop9h 37m

Porto

Mon 7/13

11:15 am-12:59 pm

2 stops30h 44m

$1,059

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sun 7/5

6:00 pm-7:00 am

2 stops32h 00m

Porto

Mon 7/13

11:15 am-12:59 pm

2 stops30h 44m

$1,068
Cheapest one-way

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Mon 9/7

8:40 pm-9:55 pm

2 stops44h 15m

$433

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sun 7/5

2:28 pm-11:45 am

2 stops16h 17m

$458

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Tue 3/31

5:30 am-10:55 pm

2 stops36h 25m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 14 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 March.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cleveland-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 14, 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
9,423 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,423 reviews
United Airlines
7.4
Good
9,423 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $902, United Airlines can have you in Porto from Cleveland in 32h 10m. 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
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$601Average$1,131FlexibilityNo cancel feeOn-time69%

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