$713+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — OPO
Nov 24 — Dec 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Columbus to Porto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Columbus to Porto
Cheapest
Best
Last-minute
Cheapest flights from Columbus to PortoExplore 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 October 25, 2026.
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 October 25, 2026.
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:30 am -
2 stops22h 20m
Tue 12/86:00 am -
2 stops20h 12m
Deal found 10/24![Air Canada logo]()
$713
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 11/237:45 am -
1 stop20h 45m
Tue 12/86:00 am -
2 stops16h 23m
Deal found 10/24![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/86:35 pm -
1 stop9h 55m
Tue 12/156:00 am -
2 stops21h 20m
Deal found 10/23![United Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:34 pm -
1 stop14h 41m
Fri 12/115:00 am -
2 stops23h 27m
Deal found 10/20![Delta logo]()
$781
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/43:55 pm -
1 stop12h 35m
Fri 12/116:00 am -
2 stops22h 44m
Deal found 10/20![United Airlines logo]()
$784
This Ovago deal was found by Cheapflights users on 10/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:45 am -
2 stops21h 05m
Tue 11/246:00 am -
2 stops21h 27m
Deal found 10/20![Multiple Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/206:10 am -
2 stops22h 20m
Tue 11/246:00 am -
3 stops36h 10m
Deal found 10/20![United Airlines logo]()
$1,063
Best flights from Columbus to PortoDiscover 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 October 25, 2026.
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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/198:00 am -
1 stop20h 45m
Wed 4/286:00 am -
2 stops19h 45m
Deal found 10/21![United Airlines logo]()
$722
This KLM deal was found by Cheapflights users on 10/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1912:05 pm -
1 stop17h 25m
Wed 4/2812:25 pm -
1 stop15h 05m
Deal found 10/21![KLM logo]()
$737
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:56 am -
2 stops18h 39m
Fri 12/115:00 am -
2 stops23h 27m
Deal found 10/20![Delta logo]()
$784
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 11/233:57 pm -
1 stop12h 33m
Tue 12/812:35 pm -
1 stop14h 45m
Deal found 10/24![United Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 3/117:00 am -
1 stop21h 30m
Fri 3/196:00 am -
2 stops21h 53m
Deal found 10/22![United Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2812:05 pm -
1 stop17h 25m
Sat 4/35:00 am -
2 stops22h 58m
Deal found 10/22![Delta logo]()
$905
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/42:15 pm -
2 stops14h 15m
Fri 12/116:00 am -
2 stops17h 42m
Deal found 10/20![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:35 pm -
1 stop9h 55m
Sun 12/1312:35 pm -
1 stop13h 22m
Deal found 10/21![United Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/206:10 am -
2 stops22h 20m
Tue 11/246:00 am -
3 stops36h 10m
Deal found 10/20![United Airlines logo]()
$1,063
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 12/711:40 am -
1 stop16h 50m
Fri 12/1112:35 pm -
2 stops26h 11m
Deal found 10/24![United Airlines logo]()
$1,084
Last-minute flights from Columbus to PortoDiscover last-minute flight deals from Columbus to Porto. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Porto. Data last updated October 25, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 10/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:45 am -
2 stops21h 05m
Tue 11/246:00 am -
2 stops21h 27m
Deal found 10/20![Multiple Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/206:10 am -
2 stops22h 20m
Tue 11/246:00 am -
3 stops36h 10m
Deal found 10/20![United Airlines logo]()
$1,063
This deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:20 pm -
1 stop10h 10m
Wed 11/2512:35 pm -
1 stop14h 24m
Deal found 10/21![United Airlines logo]()
$1,269
This deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:57 pm -
1 stop12h 33m
Wed 11/2512:35 pm -
1 stop14h 24m
Deal found 10/21![United Airlines logo]()
$1,334
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:49 pm -
2 stops34h 51m
Sat 11/2812:30 pm -
2 stops35h 34m
Deal found 10/24![Lufthansa logo]()
$1,412
This deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:20 pm -
1 stop10h 10m
Wed 11/2512:35 pm -
1 stop13h 01m
Deal found 10/21![United Airlines logo]()
$1,154
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:30 am -
2 stops22h 20m
Tue 12/86:00 am -
2 stops20h 12m
Deal found 10/24![Air Canada logo]()
$713
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 11/237:45 am -
1 stop20h 45m
Tue 12/86:00 am -
2 stops16h 23m
Deal found 10/24![United Airlines logo]()
$725
This Air Canada deal was found by Cheapflights users on 10/24. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:30 am -
2 stops22h 20m
Tue 12/810:30 am -
3 stops18h 14m
Deal found 10/24![Multiple Airlines logo]()
$1,101
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 October 25, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $701 (Expedia) |
Popular in | October |
Cheapest in | February |
Average price | $1,447 |
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 7,457,451 searches. Data last updated October 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
Cheapest round-trip
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Mon 4/19
8:00 am-9:45 am
1 stop20h 45m
Porto
Wed 4/28
6:00 am-8:45 pm
2 stops19h 45m
$722
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Mon 4/19
12:05 pm-10:30 am
1 stop17h 25m
Porto
Wed 4/28
12:25 pm-10:30 pm
1 stop15h 05m
$737
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Mon 11/23
3:57 pm-9:30 am
1 stop12h 33m
Porto
Tue 12/8
12:35 pm-10:20 pm
1 stop14h 45m
$739
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Thu 3/11
7:00 am-9:30 am
1 stop21h 30m
Porto
Fri 3/19
6:00 am-11:53 pm
2 stops21h 53m
$779
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Fri 12/4
10:56 am-10:35 am
2 stops18h 39m
Porto
Fri 12/11
5:00 am-11:27 pm
2 stops23h 27m
$784
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Fri 12/4
2:15 pm-9:30 am
2 stops14h 15m
Porto
Fri 12/11
6:00 am-6:42 pm
2 stops17h 42m
$789
Quickest round-trip
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Sun 12/6
6:35 pm-9:30 am
1 stop9h 55m
Porto
Sun 12/13
12:35 pm-8:57 pm
1 stop13h 22m
$799
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Sun 3/28
12:05 pm-10:30 am
1 stop17h 25m
Porto
Sat 4/3
5:00 am-10:58 pm
2 stops22h 58m
$905
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Fri 11/20
6:10 am-9:30 am
2 stops22h 20m
Porto
Tue 11/24
6:00 am-1:10 pm
3 stops36h 10m
$1,063
ColumbusPorto
CMH Columbus - OPO Porto
CMHOPO
Columbus
Mon 12/7
11:40 am-9:30 am
1 stop16h 50m
Porto
Fri 12/11
12:35 pm-9:46 am
2 stops26h 11m
$1,084
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
CMH-OPO
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.
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 October 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.
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Columbus
Popular flights
Porto flight routes
Alternative routes for Columbus to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Columbus to Porto by cabin class
Find flights from Columbus to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Columbus and Porto flights
Browse other Columbus and Porto flight options. Last updated on October 25, 2026.
Other flights from Columbus
Browse through other flights departing from Columbus. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$757 | Average$1,203 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$792 | Average$899 | FlexibilityNo cancel fee | On-timeN/A |