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$503+ Cheap flights from Columbus to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — OPO
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Columbus to Porto

Best flights from Columbus to Porto
Discover carefully curated flight deals from Columbus to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/20. 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 2/610:55 amCMH - OPO
2 stops19h 45mUnited Airlines
Tue 2/106:00 amOPO - CMH
2 stops43h 56mUnited Airlines
Deal found 12/20$503
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:40 pmCMH - OPO
2 stops36h 00mLufthansa
Sun 3/2212:30 pmOPO - CMH
2 stops39h 17mLufthansa
Deal found 12/21$732
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/144:37 pmCMH - OPO
1 stop12h 53mMultiple Airlines
Sun 3/2212:55 pmOPO - CMH
2 stops34h 28mMultiple Airlines
Deal found 12/21$1,637
This Turkish Airlines deal was found by Cheapflights users on 12/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:00 pmCMH - OPO
2 stops34h 55mMultiple Airlines
Thu 3/124:10 pmOPO - CMH
2 stops34h 03mMultiple Airlines
Deal found 12/21$4,700

Find flight deals from Columbus to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (C01) 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 December 23, 2025.

Round-trip from

$503
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$1,759
From Columbus to Porto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 2025.
Use the filters below to find and compare flights from Columbus to Porto that are best for you.

Fly from

Columbus

Fly to

Porto

Route

Depart

Return

Price

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Fri 2/6

10:55 am-11:40 am

2 stops19h 45m

Porto

Tue 2/10

6:00 am-8:56 pm

2 stops43h 56m

$503

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sat 3/14

7:40 pm-11:40 am

2 stops36h 00m

Porto

Sun 3/22

12:30 pm-11:47 pm

2 stops39h 17m

$732

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sat 3/14

4:37 pm-9:30 am

1 stop12h 53m

Porto

Sun 3/22

12:55 pm-7:23 pm

2 stops34h 28m

$1,637

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sat 3/7

6:00 pm-9:55 am

2 stops34h 55m

Porto

Thu 3/12

4:10 pm-10:13 pm

2 stops34h 03m

$4,700

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 to Porto

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

Currently, February is the cheapest month in which you can book a flight from Columbus to Porto (average of $495). Flying from Columbus to Porto in May is currently the most expensive (average of $1,133). 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 December 23, 2025.

One of the essential ways to save on airfare from Columbus to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 43% 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 December 23, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Columbus 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.
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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
9,106 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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?

    Most people fly into Porto (OPO) if they book a flight to Porto from Columbus. On average, Porto has 0 inbound flights from Columbus per day from 2 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from Columbus to Porto?

    United Airlines and Lufthansa can get you from Columbus to Porto in just under 19h 45m. Your travel time can differ by up to 16h 15m. Columbus and Porto are separated by a distance of 3764 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    United Airlines, at $677, was found to be the cheapest airline from Columbus to Porto. An alternate airline flying to your destination would be Delta. United Airlines is 33% 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 to Porto?

    Currently, February is the cheapest month in which you can book a flight from Columbus to Porto (average of $495). Flying from Columbus to Porto in May is currently the most expensive (average of $1,133). 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
Vila Nova de Gaia

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$677Average$1,255FlexibilityNo cancel feeOn-time69%
DeltaCheapest$728Average$899FlexibilityNo cancel feeOn-timeN/A

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