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

British Airways, United Airlines, and Finnair 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 47% 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 April 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.

$384 Cheap Flights from Cincinnati to Portugal in 2026

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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.

7:56 am - 9:05 am

CVG

LIS

20h 09m

1 stop

6:35 am - 7:08 pm

LIS

CVG

17h 33m

2 stops

$752American Airlines

Sun, May 3 - Sun, May 10

7:56 am - 9:05 am

CVG

LIS

20h 09m

1 stop

6:35 am - 7:08 pm

LIS

CVG

17h 33m

2 stops

$784American Airlines

Sun, May 3 - Sun, May 10

9:05 pm - 11:10 pm

CVG

LIS

21h 05m

1 stop

6:35 am - 7:08 pm

LIS

CVG

17h 33m

2 stops

$792Multiple Airlines

Sat, May 9 - Tue, May 19

10:10 pm - 11:00 pm

CVG

LIS

19h 50m

1 stop

7:10 am - 6:00 pm

LIS

CVG

15h 50m

1 stop

$795British Airways

Tue, May 5 - Tue, May 12

2:53 pm - 11:45 am

CVG

OPO

15h 52m

2 stops

8:40 pm - 6:20 pm

OPO

CVG

26h 40m

2 stops

$863Multiple Airlines

Tue, Aug 18 - Wed, Sep 2

1:55 pm - 7:00 am

CVG

OPO

12h 05m

1 stop

12:45 pm - 1:15 pm

OPO

CVG

29h 30m

2 stops

$877United Airlines

Tue, Aug 18 - Wed, Sep 2

11:21 am - 9:45 am

CVG

OPO

17h 24m

2 stops

12:35 pm - 11:57 pm

OPO

CVG

16h 22m

2 stops

$903United Airlines

Tue, Aug 18 - Wed, Sep 2

5:00 pm - 3:25 pm

CVG

OPO

17h 25m

1 stop

5:55 am - 3:05 pm

OPO

CVG

14h 10m

1 stop

$960Air France

Wed, May 6 - Sat, May 23

5:00 pm - 8:30 am

CVG

OPO

34h 30m

1 stop

5:55 am - 3:05 pm

OPO

CVG

14h 10m

1 stop

$962Air France

Wed, May 6 - Sat, May 23

10:10 pm - 12:25 pm

CVG

FNC

33h 15m

1 stop

12:10 pm - 7:38 pm

FNC

CVG

36h 28m

2 stops

$1,293British Airways

Tue, May 26 - Wed, Jun 3

Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets

Delta

May 9

CVG5:44 pmCincinnati Cinci./N. Kentucky

19h 06m

2 stops

LIS5:50 pmLisbon Humberto Delgado

May 19

LIS5:00 amLisbon Humberto Delgado

16h 50m

2 stops

CVG4:50 pmCincinnati Cinci./N. Kentucky

$880

Delta

Apr 15

CVG6:25 pmCincinnati Cinci./N. Kentucky

15h 30m

1 stop

LIS2:55 pmLisbon Humberto Delgado

Apr 24

LIS5:35 amLisbon Humberto Delgado

14h 40m

1 stop

CVG3:15 pmCincinnati Cinci./N. Kentucky

$891

Delta

Apr 15

CVG6:25 pmCincinnati Cinci./N. Kentucky

15h 30m

1 stop

LIS2:55 pmLisbon Humberto Delgado

Apr 24

LIS5:35 amLisbon Humberto Delgado

22h 00m

2 stops

CVG10:35 pmCincinnati Cinci./N. Kentucky

$902

Air France flights from Cincinnati to Portugal

Our best Air France deals on Cincinnati to Portugal flight tickets

Air France

May 9

CVG5:00 pmCincinnati Cinci./N. Kentucky

34h 50m

1 stop

LIS8:50 amLisbon Humberto Delgado

May 19

LIS5:35 amLisbon Humberto Delgado

14h 30m

1 stop

CVG3:05 pmCincinnati Cinci./N. Kentucky

$874

Air France

May 3

CVG6:25 pmCincinnati Cinci./N. Kentucky

15h 30m

1 stop

LIS2:55 pmLisbon Humberto Delgado

May 10

LIS5:35 amLisbon Humberto Delgado

14h 30m

1 stop

CVG3:05 pmCincinnati Cinci./N. Kentucky

$879

Air France

Apr 23

CVG6:25 pmCincinnati Cinci./N. Kentucky

15h 30m

1 stop

LIS2:55 pmLisbon Humberto Delgado

Apr 28

LIS5:35 amLisbon Humberto Delgado

14h 40m

1 stop

CVG3:15 pmCincinnati Cinci./N. Kentucky

$891

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

7:56 am-9:05 am

1 stop20h 09m

Lisbon Humberto Delgado

Sun 5/10

6:35 am-7:08 pm

2 stops17h 33m

$752

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

7:56 am-9:05 am

1 stop20h 09m

Lisbon Humberto Delgado

Sun 5/10

6:35 am-7:08 pm

2 stops17h 33m

$784

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sat 5/9

9:05 pm-11:10 pm

1 stop21h 05m

Lisbon Humberto Delgado

Tue 5/19

6:35 am-7:08 pm

2 stops17h 33m

$792

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 5/5

10:10 pm-11:00 pm

1 stop19h 50m

Lisbon Humberto Delgado

Tue 5/12

7:10 am-6:00 pm

1 stop15h 50m

$795

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

2:53 pm-11:45 am

2 stops15h 52m

Porto

Wed 9/2

8:40 pm-6:20 pm

2 stops26h 40m

$863

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

12:45 pm-1:15 pm

2 stops29h 30m

$877

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

11:21 am-9:45 am

2 stops17h 24m

Porto

Wed 9/2

12:35 pm-11:57 pm

2 stops16h 22m

$903

Quickest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 5/6

5:00 pm-3:25 pm

1 stop17h 25m

Porto

Sat 5/23

5:55 am-3:05 pm

1 stop14h 10m

$960

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 5/6

5:00 pm-8:30 am

1 stop34h 30m

Porto

Sat 5/23

5:55 am-3:05 pm

1 stop14h 10m

$962

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Tue 5/26

10:10 pm-12:25 pm

1 stop33h 15m

Funchal Madeira

Wed 6/3

12:10 pm-7:38 pm

2 stops36h 28m

$1,293

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 March. Flight prices, which tend to average around $706, 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 $717.

How far in advance should I book a flight 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 $898 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 $598 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 40% 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	9h 45m
Direct flights	None

The fastest flight from Cincinnati to Portugal takes 9h 45m

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 April 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 1,564 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,863 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,390 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,554 reviews	Search United Airlines flights
American Airlines	PriceFrom $763	Free Cancellation	Rating 7.1 11,559 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

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Airlines

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $430

Flights to Portofrom $424

Flights to Funchalfrom $520

Flights to Farofrom $610

Flights to Ponta Delgadafrom $595

Flights to Lajesfrom $653

Flights to Pico Islandfrom $787

Flights to Hortafrom $687

Flights to Porto Santofrom $885

Flights to Velasfrom $778

Cheap flights from Cincinnati to Portugal from $384

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 8/4. 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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Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets

Air France flights from Cincinnati to Portugal

Our best Air France deals on Cincinnati to Portugal flight tickets

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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 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