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$358+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — OPO
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 11/166:30 pm
CMH
-
OPO
1 stop10h 00m
United Airlines
Thu 11/196:00 am
OPO
-
CMH
2 stops19h 31m
United Airlines
Deal found 7/20$745
This Air Canada deal was found by Cheapflights users on 7/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:30 am
CMH
-
OPO
2 stops28h 00m
Air Canada
Thu 11/196:00 am
OPO
-
CMH
2 stops44h 12m
Air Canada
Deal found 7/21$760
This United Airlines deal was found by Cheapflights users on 7/22. 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 11/31:00 pm
CMH
-
OPO
1 stop15h 30m
United Airlines
Sat 11/146:00 am
OPO
-
CMH
2 stops17h 50m
United Airlines
Deal found 7/22$800
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/1112:25 pm
CMH
-
OPO
2 stops16h 05m
United Airlines
Sun 11/1512:35 pm
OPO
-
CMH
3 stops29h 35m
United Airlines
Deal found 7/24$843
This Air France deal was found by Cheapflights users on 7/24. 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.
Thu 10/2212:35 pm
CMH
-
OPO
1 stop16h 55m
Air France
Wed 10/285:55 am
OPO
-
CMH
2 stops19h 29m
Air France
Deal found 7/24$856
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 10/2210:38 am
CMH
-
OPO
2 stops39h 32m
United Airlines
Wed 10/286:00 am
OPO
-
CMH
2 stops21h 40m
United Airlines
Deal found 7/24$857

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 July 25, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$745
(United Airlines)

One-way from

$358
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$1,412
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. 1% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 25, 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

Mon 11/16

8:55 am-9:30 am

2 stops19h 35m

Porto

Thu 11/19

6:00 am-8:31 pm

2 stops19h 31m

$749

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sun 11/15

3:03 pm-9:30 am

2 stops13h 27m

Porto

Wed 11/25

6:00 am-5:02 pm

2 stops16h 02m

$750
Quickest round-trip

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Tue 11/3

6:30 pm-9:30 am

1 stop10h 00m

Porto

Sat 11/14

12:35 pm-9:51 pm

1 stop14h 16m

$809

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 11/11

12:25 pm-9:30 am

2 stops16h 05m

Porto

Sun 11/15

12:35 pm-1:10 pm

3 stops29h 35m

$843

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Thu 10/22

10:38 am-7:10 am

2 stops39h 32m

Porto

Wed 10/28

6:00 am-11:40 pm

2 stops21h 40m

$857

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 9/9

2:15 pm-7:00 am

1 stop11h 45m

Porto

Thu 9/17

11:50 am-10:23 pm

2 stops39h 33m

$930

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 9/9

6:05 am-9:45 am

1 stop22h 40m

Porto

Thu 9/17

11:50 am-3:22 pm

1 stop32h 32m

$932
Cheapest one-way

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sun 9/13

6:28 pm-11:40 pm

3 stops48h 12m

$358
Quickest one-way

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 8/26

2:15 pm-7:00 am

1 stop11h 45m

$436

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sun 9/13

6:00 am-6:55 am

2 stops19h 55m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 15 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 July.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Columbus Airport-Porto flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 $500). Flying from Columbus Airport to Porto in October is currently the most expensive (average of $1,455). 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 July 25, 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
7.8
Good
8,486 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,486 reviews
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,034 reviews
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 19h 35m. 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 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 $844. United Airlines is 37% 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 $500). Flying from Columbus Airport to Porto in October is currently the most expensive (average of $1,455). 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
Arcos de Valdevez
Coimbra
Aveiro

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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$692Average$1,203FlexibilityNo cancel feeOn-time69%
DeltaCheapest$844Average$991FlexibilityNo cancel feeOn-timeN/A

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