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$395+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — OPO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$617
(United Airlines)

One-way from

$395
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,144
From Columbus to Porto
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One-way flight from Columbus to Porto
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Highest demand for flights based on searches. 26% potential increase in price ($357 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:00 amCMH - OPO
2 stops19h 40mUnited Airlines
Sun 12/76:00 amOPO - CMH
2 stops18h 03mUnited Airlines
Deal found 9/10$617
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:51 pmCMH - OPO
2 stops35h 49mUnited Airlines
Sat 11/16:00 amOPO - CMH
2 stops38h 22mUnited Airlines
Deal found 9/10$641
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:51 pmCMH - OPO
2 stops34h 24mLufthansa
Mon 10/64:35 pmOPO - CMH
2 stops33h 00mLufthansa
Deal found 9/11$817
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:35 pmCMH - OPO
2 stops14h 00mAmerican Airlines
Fri 10/178:15 amOPO - CMH
2 stops20h 14mAmerican Airlines
Deal found 9/10$891
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:00 amCMH - OPO
3 stops29h 00mMultiple Airlines
Sat 11/16:35 pmOPO - CMH
2 stops21h 48mMultiple Airlines
Deal found 9/10$969
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:19 pmCMH - OPO
2 stops21h 46mBritish Airways
Wed 1/148:40 pmOPO - CMH
2 stops26h 48mBritish Airways
Deal found 9/10$999
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:00 amCMH - OPO
2 stops24h 15mUnited Airlines
Fri 10/1712:35 pmOPO - CMH
1 stop13h 00mUnited Airlines
Deal found 9/10$1,088
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:42 amCMH - OPO
3 stops31h 18mMultiple Airlines
Fri 10/177:00 pmOPO - CMH
3 stops30h 38mMultiple Airlines
Deal found 9/10$1,095
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/266:58 pmCMH - OPO
1 stop9h 47mUnited Airlines
Mon 10/612:10 pmOPO - CMH
2 stops37h 25mUnited Airlines
Deal found 9/11$1,154

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 September 11, 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

3:05 pm-3:25 pm

2 stops19h 20m

Porto

Sun 12/7

12:30 pm-9:30 am

2 stops26h 00m

$617

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sat 10/25

7:51 pm-12:40 pm

2 stops35h 49m

Porto

Sat 11/1

6:00 am-4:22 pm

2 stops38h 22m

$641

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Fri 9/26

7:51 pm-11:15 am

2 stops34h 24m

Porto

Mon 10/6

4:35 pm-8:35 pm

2 stops33h 00m

$817

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Fri 10/10

12:35 pm-7:35 am

2 stops14h 00m

Porto

Fri 10/17

8:15 am-11:29 pm

2 stops20h 14m

$891

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 12/17

1:19 pm-4:05 pm

2 stops21h 46m

Porto

Wed 1/14

8:40 pm-6:28 pm

2 stops26h 48m

$999

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Fri 10/10

6:00 am-11:15 am

2 stops24h 15m

Porto

Fri 10/17

12:35 pm-8:35 pm

1 stop13h 00m

$1,088

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Fri 10/10

8:42 am-9:00 pm

3 stops31h 18m

Porto

Fri 10/17

7:00 pm-8:38 pm

3 stops30h 38m

$1,095

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Fri 9/26

6:58 pm-9:45 am

1 stop9h 47m

Porto

Mon 10/6

12:10 pm-8:35 pm

2 stops37h 25m

$1,154

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 12/17

9:21 am-11:05 am

3 stops44h 44m

$395

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 12/17

11:00 am-3:25 pm

3 stops23h 25m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 $1,027). 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 September 11, 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.

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 September 11, 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
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 20m. 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 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 $701 and $728 round-trip. American Airlines is 38% 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 $1,027). 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

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
Columbus to Funchal flights
Columbus to Faro flights
Columbus to Ponta Delgada 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$613Average$768FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$701Average$1,267FlexibilityNo cancel feeOn-time69%
DeltaCheapest$728Average$944FlexibilityNo cancel feeOn-timeN/A

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