What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Portugal?

Air Canada, British Airways, and Iberia are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Portugal

What airlines fly to Portugal?

United Airlines, American Airlines and British Airways 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 46% 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.

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 June 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.

$442 Cheap Flights from Cincinnati to Portugal in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cincinnati to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 pm - 8:00 pm

CVG

OPO

18h 10m

2 stops

8:20 am - 8:11 pm

OPO

CVG

16h 51m

2 stops

$757Iberia

Tue, Oct 27 - Wed, Nov 4

2:00 pm - 7:40 am

CVG

OPO

13h 40m

2 stops

8:20 am - 8:11 pm

OPO

CVG

16h 51m

2 stops

$758Iberia

Wed, Oct 28 - Wed, Nov 4

8:50 pm - 2:50 pm

CVG

LIS

13h 00m

1 stop

10:40 am - 6:55 pm

LIS

CVG

13h 15m

1 stop

$768British Airways

Sun, Dec 6 - Wed, Dec 9

2:15 pm - 7:40 am

CVG

OPO

13h 25m

2 stops

8:20 am - 9:15 pm

OPO

CVG

17h 55m

2 stops

$788American Airlines

Tue, Oct 27 - Thu, Nov 5

9:15 pm - 3:45 pm

CVG

LIS

13h 30m

1 stop

11:05 am - 9:39 pm

LIS

CVG

14h 34m

1 stop

$796British Airways

Mon, Oct 19 - Fri, Oct 30

6:30 pm - 5:50 pm

CVG

LIS

18h 20m

1 stop

5:00 am - 7:40 pm

LIS

CVG

19h 40m

2 stops

$801Delta

Tue, Oct 13 - Tue, Oct 20

9:15 pm - 5:55 pm

CVG

LIS

15h 40m

1 stop

11:05 am - 9:39 pm

LIS

CVG

14h 34m

1 stop

$804American Airlines

Mon, Oct 19 - Fri, Oct 30

7:35 pm - 9:30 am

CVG

OPO

9h 55m

1 stop

12:35 pm - 8:32 am

OPO

CVG

24h 57m

2 stops

$805United Airlines

Tue, Oct 27 - Thu, Nov 5

11:00 am - 8:50 am

CVG

LIS

16h 50m

2 stops

5:00 am - 7:40 pm

LIS

CVG

19h 40m

2 stops

$805Delta

Tue, Oct 13 - Tue, Oct 20

3:00 pm - 10:15 am

CVG

LIS

14h 15m

1 stop

11:20 am - 2:03 pm

LIS

CVG

31h 43m

2 stops

$807United Airlines

Sun, Dec 6 - Tue, Dec 8

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American Airlines flights from Cincinnati to Portugal

Our best American Airlines deals on Cincinnati to Portugal flight tickets

American Airlines

Oct 27

CVG2:15 pmCincinnati Cinci./N. Kentucky

13h 25m

2 stops

OPO7:40 amPorto

Nov 5

OPO8:20 amPorto

17h 55m

2 stops

CVG9:15 pmCincinnati Cinci./N. Kentucky

$788

American Airlines

Aug 18

CVG1:59 pmCincinnati Cinci./N. Kentucky

14h 06m

2 stops

LIS9:05 amLisbon Humberto Delgado

Aug 25

LIS8:25 amLisbon Humberto Delgado

15h 34m

2 stops

CVG6:59 pmCincinnati Cinci./N. Kentucky

$917

American Airlines

Jun 18

CVG11:52 amCincinnati Cinci./N. Kentucky

14h 53m

2 stops

LIS7:45 amLisbon Humberto Delgado

Jun 25

LIS11:05 amLisbon Humberto Delgado

15h 48m

1 stop

CVG9:53 pmCincinnati Cinci./N. Kentucky

$1,399

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Aug 3

CVG9:15 pmCincinnati Cinci./N. Kentucky

15h 40m

1 stop

LIS5:55 pmLisbon Humberto Delgado

Aug 19

LIS11:05 amLisbon Humberto Delgado

15h 47m

1 stop

CVG9:52 pmCincinnati Cinci./N. Kentucky

$902

British Airways

Aug 18

CVG5:40 pmCincinnati Cinci./N. Kentucky

15h 50m

1 stop

LIS2:30 pmLisbon Humberto Delgado

Aug 25

LIS11:05 amLisbon Humberto Delgado

15h 47m

1 stop

CVG9:52 pmCincinnati Cinci./N. Kentucky

$908

British Airways

Jul 29

CVG9:25 pmCincinnati Cinci./N. Kentucky

15h 30m

1 stop

LIS5:55 pmLisbon Humberto Delgado

Aug 5

LIS11:05 amLisbon Humberto Delgado

14h 13m

1 stop

CVG8:18 pmCincinnati Cinci./N. Kentucky

$943

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

9:50 pm-8:00 pm

2 stops18h 10m

Porto

Wed 11/4

8:20 am-8:11 pm

2 stops16h 51m

$757

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/28

2:00 pm-7:40 am

2 stops13h 40m

Porto

Wed 11/4

8:20 am-8:11 pm

2 stops16h 51m

$758

Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/6

8:50 pm-2:50 pm

1 stop13h 00m

Lisbon Humberto Delgado

Wed 12/9

10:40 am-6:55 pm

1 stop13h 15m

$768

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

2:15 pm-7:40 am

2 stops13h 25m

Porto

Thu 11/5

8:20 am-9:15 pm

2 stops17h 55m

$788

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 10/19

9:15 pm-3:45 pm

1 stop13h 30m

Lisbon Humberto Delgado

Fri 10/30

11:05 am-9:39 pm

1 stop14h 34m

$796

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

6:30 pm-5:50 pm

1 stop18h 20m

Lisbon Humberto Delgado

Tue 10/20

5:00 am-7:40 pm

2 stops19h 40m

$801

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 10/19

9:15 pm-5:55 pm

1 stop15h 40m

Lisbon Humberto Delgado

Fri 10/30

11:05 am-9:39 pm

1 stop14h 34m

$804

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

7:35 pm-9:30 am

1 stop9h 55m

Porto

Thu 11/5

12:35 pm-8:32 am

2 stops24h 57m

$805

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

11:00 am-8:50 am

2 stops16h 50m

Lisbon Humberto Delgado

Tue 10/20

5:00 am-7:40 pm

2 stops19h 40m

$805

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/6

3:00 pm-10:15 am

1 stop14h 15m

Lisbon Humberto Delgado

Tue 12/8

11:20 am-2:03 pm

2 stops31h 43m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Cincinnati is in April. Flight prices, which tend to average around $485, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Portugal from Cincinnati during February instead. Flights to Portugal in February, while not as cheap as those in April, still average around $490.

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 $918 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 $596 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 17% on your flight if you consider stops on a Cincinnati to Portugal flight.

Cheap Cincinnati to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cincinnati to Portugal

Fastest flight time	10h 25m
Direct flights	None

The fastest flight from Cincinnati to Portugal takes 10h 25m

There are no direct flights from Cincinnati to Portugal. There are no popular flight routes from Cincinnati to Portugal.

Search flight deals

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 June 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
Air France	PriceFrom $493	Free Cancellation	Rating 7.4 1,606 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 8,050 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,397 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,831 reviews	Search United Airlines flights
American Airlines	PriceFrom $763	Free Cancellation	Rating 7.1 11,660 reviews	Search American Airlines flights

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.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

Other flights from Cincinnati

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $424

Flights to Portofrom $513

Flights to Funchalfrom $589

Flights to Farofrom $572

Flights to Ponta Delgadafrom $594

Flights to Lajesfrom $625

Flights to Hortafrom $781

Flights to Pico Islandfrom $690

Flights to Porto Santofrom $669

Flights to Velasfrom $807

Cheap flights from Cincinnati to Portugal from $402

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 9/22. 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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American Airlines flights from Cincinnati to Portugal

Our best American Airlines deals on Cincinnati to Portugal flight tickets

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

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Use the filters below to find and compare flights from Cincinnati to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Cincinnati to Portugal

What is the cheapest month to fly to Portugal?

How far in advance should I book a flight from Cincinnati to Portugal?

Can stopping save me money on Cincinnati to Portugal flights?

What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Portugal?

What airlines fly to Portugal?

Cheap Cincinnati to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cincinnati to Portugal

Fastest flight time

Direct flights

Frequently asked questions about flying from Cincinnati to Portugal

Best airlines flying from Cincinnati to Portugal

Compare and see reviews for airlines that fly from Cincinnati to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Cincinnati flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year