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$460+ Cheap flights from Columbus (CMH) 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — OPO
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Find flight deals from Columbus to Porto

Cheapest flights from Columbus to Porto
Explore the most affordable flight options available from Columbus 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 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/38:05 amCMH - OPO
2 stops21h 25mDelta
dom. 12/711:15 amOPO - CMH
2 stops35h 21mDelta
Deal found 10/26$541
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/184:05 pmCMH - OPO
1 stop12h 25mMultiple Airlines
dom. 11/236:00 amOPO - CMH
2 stops19h 56mMultiple Airlines
Deal found 10/27$629
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/184:05 pmCMH - OPO
1 stop12h 25mUnited Airlines
dom. 11/2312:35 pmOPO - CMH
1 stop13h 25mUnited Airlines
Deal found 10/27$643
This Air France deal was found by Cheapflights users on 10/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/271:00 pmCMH - OPO
2 stops16h 25mMultiple Airlines
jue. 1/16:35 amOPO - CMH
2 stops19h 29mMultiple Airlines
Deal found 10/28$1,018
This Air France deal was found by Cheapflights users on 10/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/271:00 pmCMH - OPO
2 stops16h 25mMultiple Airlines
dom. 1/45:00 amOPO - CMH
2 stops20h 23mMultiple Airlines
Deal found 10/28$1,723
This Air Canada deal was found by Cheapflights users on 10/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/279:30 amCMH - OPO
2 stops27h 00mAir Canada
jue. 1/17:00 amOPO - CMH
3 stops18h 56mAir Canada
Deal found 10/26$2,158

Cheap flight deals from Columbus to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (CMH) 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

$541
(Delta)

One-way from

$460
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$953
Provider with most accurate pricing for Columbus-Porto flight deals.
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Provider most trusted by Cheapflights users for Columbus-Porto flights.
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From Columbus to Porto
Search Deals
One-way flight from Columbus to Porto
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbus 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 Columbus Airport to Porto that are best for you.

Fly from

Columbus

Fly to

Porto

Route

Depart

Return

Price

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

mié. 12/3

10:29 am-10:30 am

2 stops19h 01m

Porto

dom. 12/7

5:00 am-9:50 pm

2 stops21h 50m

$541

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

mar. 11/18

4:05 pm-9:30 am

1 stop12h 25m

Porto

dom. 11/23

6:00 am-8:56 pm

2 stops19h 56m

$629

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

mar. 11/18

4:05 pm-9:30 am

1 stop12h 25m

Porto

dom. 11/23

12:35 pm-9:00 pm

1 stop13h 25m

$643

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

dom. 4/26

9:10 am-9:45 am

2 stops19h 35m

Porto

vie. 5/15

6:00 am-8:45 pm

2 stops19h 45m

$747

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

mié. 3/25

9:26 am-7:45 am

3 stops42h 19m

$460

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

mié. 3/25

4:37 pm-9:30 am

1 stop12h 53m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Columbus 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 Columbus to Porto in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Columbus Airport-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Columbus Airport-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Columbus Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Columbus Airport-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 Columbus Airport-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 Columbus to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Columbus 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 Columbus Airport to Porto

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

Currently, March is the cheapest month in which you can book a flight from Columbus Airport to Porto (average of $604). Flying from Columbus Airport to Porto in June is currently the most expensive (average of $1,259). 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 CMH to OPO?

Find hourly flight availability from Columbus 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.

One of the essential ways to save on airfare from Columbus Airport to Porto is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 40% on airfare.

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.
Read through reviews of airlines operating flights from Columbus Airport to Porto, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Columbus to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Columbus?

    Porto (OPO) is the airport you will fly into if you book a flight from Columbus to Porto. You should not have trouble finding flights to Porto from Columbus; the airport handles an average of 0 inbound flights from Columbus per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Porto airport from Columbus. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • How long is the flight from Columbus Airport to Porto?

    Departing from Columbus Airport to Porto will take you 19h 01m. The distance between Columbus Airport and Porto is about 3764 mi.

  • What are the cheapest airlines flying from Columbus Airport to Porto round-trip?

    Our cheapest airline available from Columbus Airport to Porto is American Airlines. Our recent data shows that you can find tickets from as low as $613 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $692 and $728 round-trip. American Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Columbus 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 Columbus Airport to Porto?

    Currently, March is the cheapest month in which you can book a flight from Columbus Airport to Porto (average of $604). Flying from Columbus Airport to Porto in June is currently the most expensive (average of $1,259). 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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Alternative routes for Columbus to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Columbus to Porto

Discover the top 3 airlines that operate flights from Columbus 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
American AirlinesCheapest$613Average$768FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$692Average$1,267FlexibilityNo cancel feeOn-time69%
DeltaCheapest$728Average$1,152FlexibilityNo cancel feeOn-timeN/A

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