Cheap flights from Cincinnati to Portugal from $328
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 Portugal departing on 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Use the filters below to find and compare flights from Cincinnati to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
CincinnatiLisbon
CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado
CVGLIS
Cincinnati Cinci./N. Kentucky
Wed 1/13
8:50 pm-2:55 pm
1 stop13h 05m
Lisbon Humberto Delgado
Tue 1/19
6:30 am-9:59 pm
2 stops20h 29m
CincinnatiLisbon
CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado
CVGLIS
Cincinnati Cinci./N. Kentucky
Wed 1/13
8:50 pm-2:55 pm
1 stop13h 05m
Lisbon Humberto Delgado
Tue 1/19
11:05 am-9:59 pm
1 stop15h 54m
CincinnatiLisbon
CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado
CVGLIS
Cincinnati Cinci./N. Kentucky
Wed 1/13
1:40 pm-12:05 pm
2 stops17h 25m
Lisbon Humberto Delgado
Tue 1/19
6:30 am-9:59 pm
2 stops20h 29m
CincinnatiPorto
CVG Cincinnati Cinci./N. Kentucky - OPO Porto
CVGOPO
Cincinnati Cinci./N. Kentucky
Wed 1/13
12:00 pm-10:35 am
2 stops17h 35m
Porto
Tue 1/19
5:55 am-4:10 pm
1 stop15h 15m
CincinnatiLisbon
CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado
CVGLIS
Cincinnati Cinci./N. Kentucky
Sun 2/21
3:00 pm-10:05 am
1 stop14h 05m
Lisbon Humberto Delgado
Thu 2/25
5:00 am-8:56 pm
2 stops20h 56m
CincinnatiLisbon
CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado
CVGLIS
Cincinnati Cinci./N. Kentucky
Wed 3/17
3:00 pm-8:10 am
1 stop13h 10m
Lisbon Humberto Delgado
Wed 3/31
5:05 am-7:12 pm
2 stops19h 07m
CincinnatiPorto
CVG Cincinnati Cinci./N. Kentucky - OPO Porto
CVGOPO
Cincinnati Cinci./N. Kentucky
Wed 12/2
11:50 am-8:15 am
1 stop15h 25m
Porto
Thu 12/10
5:55 am-4:05 pm
1 stop15h 10m
CincinnatiLisbon
CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado
CVGLIS
Cincinnati Cinci./N. Kentucky
Tue 12/8
8:50 pm-5:45 pm
1 stop15h 55m
Lisbon Humberto Delgado
Mon 12/14
6:35 pm-6:55 pm
1 stop29h 20m
CincinnatiLisbon
CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado
CVGLIS
Cincinnati Cinci./N. Kentucky
Wed 11/11
8:50 pm-9:55 pm
1 stop20h 05m
Lisbon Humberto Delgado
Wed 11/18
8:20 am-7:18 pm
2 stops15h 58m
CincinnatiPorto
CVG Cincinnati Cinci./N. Kentucky - OPO Porto
CVGOPO
Cincinnati Cinci./N. Kentucky
Sun 3/21
4:00 pm-10:35 am
2 stops14h 35m
Porto
Sat 3/27
11:15 am-7:36 pm
2 stops36h 21m
See travel insights to Portugal from
How to get the cheapest flight ticket from Cincinnati to Portugal
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 Portugal?
The cheapest month to fly to Portugal from Cincinnati is in March. Flight prices, which tend to average around $640, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from Cincinnati during February instead. Flights to Portugal in February, while not as cheap as those in March, still average around $708.
How far in advance should I book a flight from Cincinnati to Portugal?
You are more likely to see cheaper flights to Portugal from Cincinnati when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $930 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Cincinnati for as low as $629 on momondo.
What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Portugal?
British Airways and Delta are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Portugal
What airlines fly to Portugal?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Portugal from Cincinnati according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 5 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Cincinnati to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cincinnati to Portugal
Frequently asked questions about flying from Cincinnati to Portugal
When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Portugal?
Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Portugal are updated daily.
How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Portugal?
As of October 2026, there are 5 operators available to choose from for flights from Cincinnati Cinci./N. Kentucky Airport to Portugal.
How old do you have to be to fly from Cincinnati Cinci./N. Kentucky Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 Portugal.
What documentation or ID do you need to fly to Portugal?
The required travel and health documents for your Portugal 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 Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Cincinnati to Portugal
Compare and see reviews for airlines that fly from Cincinnati to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $490 | Free Cancellation | Rating 7.4 10,322 reviews | |||
| PriceFrom $493 | Free Cancellation | Rating 7.5 1,650 reviews | |||
| PriceFrom $504 | Free Cancellation | Rating 6.7 8,255 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.8 8,646 reviews | |||
| PriceFrom $719 | Free Cancellation | Rating 7.0 12,146 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Cincinnati to Portugal?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cincinnati to Portugal. momondo saves you time and could save you money on your trip.
Can I find flights from Cincinnati to Portugal with flexible booking policies on momondo?
Flights from Cincinnati to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Cincinnati to Portugal?
Once you have performed a search for Cincinnati to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Cincinnati to Portugal right now. Can momondo alert me if prices change?
Price alerts on flights to Portugal from Cincinnati are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.