Cheap flights from Cincinnati to Porto from $460
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cincinnati to Porto departing on 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Cincinnati to Porto
Cheap round-trip flights
Cheap one-way flights
United Airlines flights from Cincinnati to Porto
Our best United Airlines deals on Cincinnati to Porto flight tickets
British Airways flights from Cincinnati to Porto
Our best British Airways deals on Cincinnati to Porto flight tickets
See travel insights to Porto from
How to get the cheapest flight ticket from Cincinnati to Porto
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Porto?
The month of November is, on average, the cheapest month to fly to Porto from Cincinnati, with most prices found around $656. If you aren’t able to travel during the month of November, then book flights to Porto from Cincinnati during January instead. Flights to Porto in January, while not as cheap as those in November, still average around $772.
What is the cheapest day to depart on your flight to Porto?
The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $918. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,497. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.
What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Porto?
United Airlines and Air France are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Porto
What airlines fly to Porto?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Porto from Cincinnati according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 3 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.
When to book flights from Cincinnati to Porto
Cheap Cincinnati to Porto (CVG to OPO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cincinnati to Porto
How far is Cincinnati Cinci./N. Kentucky to Porto by plane?
There are 3874.2 mi between Cincinnati Cinci./N. Kentucky and Porto. In terms of flight time, this usually takes a little over 11h 05m.
When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Porto Airport?
Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Porto Airport?
As of April 2025, there are 3 operators available to choose from for flights from Cincinnati Cinci./N. Kentucky Airport to Porto Airport.
How old do you have to be to fly from Cincinnati Cinci./N. Kentucky Airport to Porto Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cincinnati Cinci./N. Kentucky Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Cincinnati to Porto?
Based on momondo bookings for flights between Cincinnati and Porto, the leading airline is United Airlines, making up 58% of the total bookings. Other popular airlines include Delta with 27% and American Airlines with 15%.
Best airlines flying from Cincinnati to Porto
Compare and see reviews for airlines that fly from Cincinnati to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $750 | Free Cancellation | Rating 7.4 8,621 reviews | |||
| PriceFrom $783 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $824 | Free Cancellation | Rating 8.0 7,901 reviews |
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Cincinnati to Porto?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cincinnati to Porto. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Cincinnati to Porto with flexible booking policies on momondo?
momondo does allow users to show only those flights to Porto from Cincinnati which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Cincinnati to Porto?
Once all potential Cincinnati to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Cincinnati to Porto right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Cincinnati to Porto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto and let you know when they change.