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$355+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — OPO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:10 pm
CLE
-
OPO
2 stops14h 20m
United Airlines
Mon 3/26:00 am
OPO
-
CLE
2 stops18h 02m
United Airlines
Deal found 1/26$487
This Air France deal was found by Cheapflights users on 1/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:32 pm
CLE
-
OPO
2 stops14h 58m
Multiple Airlines
Tue 3/35:00 am
OPO
-
CLE
2 stops15h 26m
Multiple Airlines
Deal found 1/25$494
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Tue 2/242:10 pm
CLE
-
OPO
2 stops14h 20m
United Airlines
Tue 3/312:35 pm
OPO
-
CLE
1 stop12h 37m
United Airlines
Deal found 1/25$500
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 3/119:10 am
CLE
-
OPO
2 stops22h 30m
United Airlines
Wed 3/186:00 am
OPO
-
CLE
2 stops17h 03m
United Airlines
Deal found 1/25$507
This SWISS deal was found by Cheapflights users on 1/26. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:14 pm
CLE
-
OPO
2 stops34h 41m
SWISS
Mon 5/47:20 pm
OPO
-
CLE
2 stops26h 40m
SWISS
Deal found 1/26$548
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:18 pm
CLE
-
OPO
2 stops18h 17m
British Airways
Sun 3/158:05 pm
OPO
-
CLE
2 stops32h 29m
British Airways
Deal found 1/27$573
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:51 am
CLE
-
OPO
2 stops16h 49m
American Airlines
Tue 9/298:20 am
OPO
-
CLE
2 stops19h 32m
American Airlines
Deal found 1/25$634
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/97:12 pm
CLE
-
OPO
1 stop10h 18m
United Airlines
Sun 3/1512:35 pm
OPO
-
CLE
2 stops15h 08m
United Airlines
Deal found 1/27$652
This Ovago deal was found by Cheapflights users on 1/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:58 am
CLE
-
OPO
1 stop18h 47m
Lufthansa
Mon 5/412:35 pm
OPO
-
CLE
1 stop15h 09m
Lufthansa
Deal found 1/26$664
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines 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
American Airlines
Sat 10/248:20 am
OPO
-
CLE
2 stops21h 07m
American Airlines
Deal found 1/26$688

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$487
(United Airlines)

One-way from

$355
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$2,164
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
Search Deals
One-way flight from Cleveland Hopkins Intl to Porto
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($241 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($102 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Mon 2/23

5:15 pm-9:30 am

1 stop11h 15m

Porto

Mon 3/2

6:00 am-7:02 pm

2 stops18h 02m

$487

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Tue 2/24

2:32 pm-10:30 am

2 stops14h 58m

Porto

Tue 3/3

5:00 am-3:26 pm

2 stops15h 26m

$494

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Tue 2/24

7:10 pm-9:30 am

1 stop9h 20m

Porto

Tue 3/3

12:35 pm-8:12 pm

1 stop12h 37m

$496

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Wed 3/11

9:10 am-11:40 am

2 stops22h 30m

Porto

Wed 3/18

6:00 am-7:03 pm

2 stops17h 03m

$507

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Fri 4/24

4:14 pm-7:55 am

2 stops34h 41m

Porto

Mon 5/4

7:20 pm-5:00 pm

2 stops26h 40m

$548

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Mon 3/9

7:18 pm-5:35 pm

2 stops18h 17m

Porto

Sun 3/15

8:05 pm-12:34 am

2 stops32h 29m

$573

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Mon 3/9

7:12 pm-9:30 am

1 stop10h 18m

Porto

Sun 3/15

12:35 pm-11:43 pm

2 stops15h 08m

$652

ClevelandPorto

CLE - OPO

CLEOPO

Cleveland Hopkins Intl

Sun 2/15

6:24 pm-7:00 pm

3 stops43h 36m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 January.
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.

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 July is currently the most expensive (average of $801). 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.

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 January 27, 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
9,205 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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 $487, United Airlines can have you in Porto from Cleveland in 11h 15m. 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. This flight start at 47% 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 July is currently the most expensive (average of $801). 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
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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$601Average$1,168FlexibilityNo cancel feeOn-time69%

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