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$384+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — OPO
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap 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 March 14, 2026.

This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
CMH
-
OPO
2 stops17h 00m
Iberia
Wed 4/298:20 am
OPO
-
CMH
2 stops18h 10m
Iberia
Deal found 3/10$668
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.
Sat 12/56:00 pm
CMH
-
OPO
2 stops40h 15m
United Airlines
Wed 12/96:00 am
OPO
-
CMH
2 stops17h 46m
United Airlines
Deal found 3/11$670
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:55 pm
CMH
-
OPO
2 stops13h 50m
American Airlines
Tue 10/278:20 am
OPO
-
CMH
2 stops18h 27m
American Airlines
Deal found 3/12$705
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 4/151:45 pm
CMH
-
OPO
2 stops17h 00m
American Airlines
Wed 4/298:20 am
OPO
-
CMH
2 stops15h 10m
American Airlines
Deal found 3/13$718
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/1510:41 am
CMH
-
OPO
2 stops19h 39m
United Airlines
Wed 4/2912:35 pm
OPO
-
CMH
1 stop11h 55m
United Airlines
Deal found 3/13$734
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.
Thu 9/179:06 am
CMH
-
OPO
2 stops17h 34m
American Airlines
Tue 9/228:20 am
OPO
-
CMH
2 stops17h 57m
American Airlines
Deal found 3/9$762
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 4/267:14 pm
CMH
-
OPO
2 stops17h 56m
Delta
Fri 5/155:00 am
OPO
-
CMH
2 stops20h 59m
Delta
Deal found 3/12$763

Find 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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$668
(Iberia)

One-way from

$384
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$704
Provider with most accurate pricing for Columbus-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Columbus-Porto flights.
Search Deals
From Columbus to Porto
Search Deals
One-way flight from Columbus to Porto
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 14, 2026.
Use the filters below to find and compare flights from Columbus Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 4/15

1:45 pm-11:45 am

2 stops17h 00m

Porto

Wed 4/29

8:20 am-9:30 pm

2 stops18h 10m

$668

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sun 4/26

7:14 pm-6:10 pm

2 stops17h 56m

Porto

Fri 5/15

5:00 am-8:59 pm

2 stops20h 59m

$763

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sun 4/26

11:56 am-7:40 am

2 stops14h 44m

Porto

Fri 5/15

8:20 am-8:30 pm

2 stops17h 10m

$765

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sun 4/26

7:40 pm-11:15 am

2 stops34h 35m

Porto

Fri 5/15

6:00 am-1:13 am

2 stops24h 13m

$778

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sat 4/25

6:00 pm-6:10 pm

2 stops19h 10m

Porto

Sat 5/2

5:00 am-9:04 pm

2 stops21h 04m

$816

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Fri 8/14

12:05 pm-10:30 am

1 stop17h 25m

Porto

Fri 8/28

11:25 am-11:59 pm

2 stops17h 34m

$861

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 4/15

9:01 am-9:45 am

2 stops19h 44m

Porto

Wed 4/29

12:35 pm-7:30 pm

1 stop11h 55m

$865
Quickest round-trip

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sat 4/25

5:31 pm-9:45 am

1 stop11h 14m

Porto

Sat 5/2

12:35 pm-11:49 pm

2 stops16h 14m

$944

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Thu 9/10

8:59 pm-7:10 am

2 stops29h 11m

Porto

Wed 9/16

2:25 pm-3:36 pm

2 stops30h 11m

$945
Cheapest one-way

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Tue 6/2

1:02 pm-9:30 am

3 stops39h 28m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Columbus Airport-Porto flight deals on Cheapflights vs. FlightHub >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 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 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, February is the cheapest month in which you can book a flight from Columbus Airport to Porto (average of $492). Flying from Columbus Airport to Porto in May is currently the most expensive (average of $1,148). 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.

How much does it cost to fly round-trip from Columbus Airport 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 March 14, 2026.
Read through reviews of airlines operating flights from Columbus Airport to Porto, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,291 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,291 reviews
Delta
7.9
Good
8,291 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,423 reviews
Delta
7.9
Good
8,291 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 2 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 14h 44m. The distance between Columbus Airport and Porto is about 3764 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Columbus Airport to Porto is United Airlines. Our recent data shows that you can find tickets from as low as $692 on this airline. An additional option worth looking into is Delta, starting at $731. United Airlines is 27% 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, February is the cheapest month in which you can book a flight from Columbus Airport to Porto (average of $492). Flying from Columbus Airport to Porto in May is currently the most expensive (average of $1,148). 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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Alternative routes for Columbus to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Columbus to Lisbon flights

Top 2 airlines flying from Columbus to Porto

Discover the top 2 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$692Average$1,195FlexibilityNo cancel feeOn-time69%
DeltaCheapest$731Average$921FlexibilityNo cancel feeOn-timeN/A

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