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$659+ Cheap flights from Columbus (CMH) 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — OPO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$659
(Iberia)

Popular in

June

Cheapest in

April

Average price

$1,239
From Columbus to Porto
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($378 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This Iberia deal was found by Cheapflights users on 7/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:24 amCMH - OPO
2 stops16h 16mIberia
Sun 12/78:20 amOPO - CMH
2 stops18h 46mIberia
Deal found 7/28$659
This Lufthansa deal was found by Cheapflights users on 7/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:05 pmCMH - OPO
2 stops19h 20mLufthansa
Sun 12/76:00 amOPO - CMH
2 stops22h 34mLufthansa
Deal found 7/26$667
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:30 amCMH - OPO
2 stops31h 50mMultiple Airlines
Thu 10/236:00 amOPO - CMH
2 stops19h 38mMultiple Airlines
Deal found 7/28$685
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/194:28 pmCMH - OPO
1 stop12h 17mUnited Airlines
Fri 9/56:00 amOPO - CMH
2 stops38h 33mUnited Airlines
Deal found 7/28$747
This Orbitz deal was found by Cheapflights users on 7/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:20 amCMH - OPO
2 stops21h 05mAir Canada
Thu 9/412:10 pmOPO - CMH
2 stops31h 01mAir Canada
Deal found 7/27$1,012

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 29, 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

Wed 12/3

10:24 am-7:40 am

2 stops16h 16m

Porto

Sun 12/7

8:20 am-10:06 pm

2 stops18h 46m

$659

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 12/3

3:05 pm-3:25 pm

2 stops19h 20m

Porto

Sun 12/7

6:00 am-11:34 pm

2 stops22h 34m

$667

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Tue 10/14

10:30 am-11:20 pm

2 stops31h 50m

Porto

Thu 10/23

6:00 am-8:38 pm

2 stops19h 38m

$685

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Tue 8/19

4:28 pm-9:45 am

1 stop12h 17m

Porto

Fri 9/5

6:00 am-3:33 pm

2 stops38h 33m

$747

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Thu 8/28

9:20 am-11:25 am

2 stops21h 05m

Porto

Thu 9/4

12:10 pm-2:11 pm

2 stops31h 01m

$1,012

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, January is the cheapest month in which you can book a flight from Columbus Airport to Porto (average of $523). Flying from Columbus Airport to Porto in June is currently the most expensive (average of $1,033). 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 July 29, 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 41% on airfare.

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 July 29, 2025.
Read through reviews of airlines operating flights from Columbus Airport to Porto, such as United Airlines, Air Canada, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,826 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,859 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,265 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Our cheapest airline available from Columbus Airport to Porto is Iberia. Our recent data shows that you can find tickets from as low as $659 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at $667 and $747 round-trip. Iberia is 32% 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, January is the cheapest month in which you can book a flight from Columbus Airport to Porto (average of $523). Flying from Columbus Airport to Porto in June is currently the most expensive (average of $1,033). 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
Coimbra
Matosinhos

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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
Columbus to Faro flights
Columbus to Ponta Delgada flights
Columbus to Funchal flights

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$613Average$768FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$701Average$1,261FlexibilityNo cancel feeOn-time69%
DeltaCheapest$728Average$934FlexibilityNo cancel feeOn-timeN/A

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