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

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

What airlines fly to Portugal?

United Airlines, British Airways 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 50% 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.

$387 Cheap Flights from Cincinnati to Portugal in 2026

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Find the cheapest flights from Cincinnati to Portugal

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One-way

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Cheap round-trip flights

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7:46 pm - 11:25 pm

CVG

LIS

22h 39m

2 stops

6:35 am - 8:06 pm

LIS

CVG

18h 31m

2 stops

$727Iberia

Sun, May 3 - Sun, May 10

7:46 pm - 12:40 pm

CVG

FNC

35h 54m

2 stops

11:20 am - 7:15 pm

FNC

CVG

36h 55m

2 stops

$739Iberia

Sat, Apr 25 - Sun, May 3

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

7:47 pm - 10:30 am

CVG

LIS

9h 43m

1 stop

5:05 am - 8:29 pm

LIS

CVG

20h 24m

2 stops

$754United Airlines

Sun, Apr 12 - Tue, Apr 28

7:47 pm - 10:30 am

CVG

LIS

9h 43m

1 stop

12:20 pm - 10:11 am

LIS

CVG

26h 51m

1 stop

$766United Airlines

Sun, Apr 12 - Tue, Apr 28

3:57 pm - 9:05 am

CVG

LIS

12h 08m

1 stop

11:05 am - 6:42 pm

LIS

CVG

12h 37m

1 stop

$771British Airways

Tue, Apr 7 - Wed, Apr 15

10:55 am - 9:05 am

CVG

LIS

17h 10m

2 stops

11:05 am - 9:44 pm

LIS

CVG

15h 39m

2 stops

$780American Airlines

Tue, Apr 7 - Wed, Apr 15

6:25 pm - 2:55 pm

CVG

LIS

15h 30m

1 stop

5:00 am - 7:10 pm

LIS

CVG

19h 10m

2 stops

$785Delta

Sun, May 3 - Sun, May 10

7:46 pm - 6:05 pm

CVG

FNC

41h 19m

2 stops

1:25 pm - 7:20 pm

FNC

CVG

34h 55m

1 stop

$802British Airways

Sat, Apr 25 - Sun, May 3

6:25 pm - 3:25 pm

CVG

OPO

16h 00m

1 stop

5:00 am - 9:17 pm

OPO

CVG

21h 17m

2 stops

$906Delta

Thu, Apr 30 - Thu, May 7

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets

United Airlines

Apr 12

CVG7:47 pmCincinnati Cinci./N. Kentucky

9h 43m

1 stop

LIS10:30 amLisbon Humberto Delgado

Apr 28

LIS5:05 amLisbon Humberto Delgado

20h 24m

2 stops

CVG8:29 pmCincinnati Cinci./N. Kentucky

$754

United Airlines

Apr 12

CVG7:47 pmCincinnati Cinci./N. Kentucky

9h 43m

1 stop

LIS10:30 amLisbon Humberto Delgado

Apr 28

LIS12:20 pmLisbon Humberto Delgado

26h 51m

1 stop

CVG10:11 amCincinnati Cinci./N. Kentucky

$766

United Airlines

Apr 24

CVG9:12 pmCincinnati Cinci./N. Kentucky

19h 43m

2 stops

LIS9:55 pmLisbon Humberto Delgado

May 1

LIS10:25 amLisbon Humberto Delgado

12h 39m

1 stop

CVG6:04 pmCincinnati Cinci./N. Kentucky

$845

Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets

Delta

May 3

CVG6:25 pmCincinnati Cinci./N. Kentucky

15h 30m

1 stop

LIS2:55 pmLisbon Humberto Delgado

May 10

LIS5:00 amLisbon Humberto Delgado

19h 10m

2 stops

CVG7:10 pmCincinnati Cinci./N. Kentucky

$785

Delta

Apr 29

CVG4:55 pmCincinnati Cinci./N. Kentucky

16h 40m

2 stops

LIS2:35 pmLisbon Humberto Delgado

May 10

LIS5:00 amLisbon Humberto Delgado

19h 10m

2 stops

CVG7:10 pmCincinnati Cinci./N. Kentucky

$794

Delta

Apr 29

CVG12:00 pmCincinnati Cinci./N. Kentucky

17h 55m

2 stops

LIS10:55 amLisbon Humberto Delgado

May 10

LIS5:00 amLisbon Humberto Delgado

19h 10m

2 stops

CVG7:10 pmCincinnati Cinci./N. Kentucky

$795

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

7:46 pm-11:25 pm

2 stops22h 39m

Lisbon Humberto Delgado

Sun 5/10

6:35 am-8:06 pm

2 stops18h 31m

$727

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Sat 4/25

7:46 pm-12:40 pm

2 stops35h 54m

Funchal Madeira

Sun 5/3

11:20 am-7:15 pm

2 stops36h 55m

$739

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 4/12

7:47 pm-10:30 am

1 stop9h 43m

Lisbon Humberto Delgado

Tue 4/28

5:05 am-8:29 pm

2 stops20h 24m

$754

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 4/12

7:47 pm-10:30 am

1 stop9h 43m

Lisbon Humberto Delgado

Tue 4/28

12:20 pm-10:11 am

1 stop26h 51m

$766

Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 4/7

3:57 pm-9:05 am

1 stop12h 08m

Lisbon Humberto Delgado

Wed 4/15

11:05 am-6:42 pm

1 stop12h 37m

$771

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 4/7

10:55 am-9:05 am

2 stops17h 10m

Lisbon Humberto Delgado

Wed 4/15

11:05 am-9:44 pm

2 stops15h 39m

$780

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

6:25 pm-2:55 pm

1 stop15h 30m

Lisbon Humberto Delgado

Sun 5/10

5:00 am-7:10 pm

2 stops19h 10m

$785

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Sat 4/25

7:46 pm-6:05 pm

2 stops41h 19m

Funchal Madeira

Sun 5/3

1:25 pm-7:20 pm

1 stop34h 55m

$802

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Thu 4/30

6:25 pm-3:25 pm

1 stop16h 00m

Porto

Thu 5/7

5:00 am-9:17 pm

2 stops21h 17m

$906

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 February. Flight prices, which tend to average around $717, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Cincinnati during March instead. Flights to Portugal in March, while not as cheap as those in February, still average around $722.

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 $909 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 $747 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	10h 30m
Direct flights	None

The fastest flight from Cincinnati to Portugal takes 10h 30m

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 1,561 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,841 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,371 reviews	Search Delta flights
United Airlines	PriceFrom $541	Free Cancellation	Rating 7.4 9,532 reviews	Search United Airlines flights
American Airlines	PriceFrom $775	Free Cancellation	Rating 7.1 11,549 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 $435

Flights to Portofrom $425

Flights to Funchalfrom $564

Flights to Farofrom $509

Flights to Ponta Delgadafrom $585

Flights to Lajesfrom $626

Flights to Pico Islandfrom $632

Flights to Hortafrom $704

Flights to Porto Santofrom $697

Flights to Velasfrom $677

Cheap flights from Cincinnati to Portugal from $387

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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United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets

Delta flights from Cincinnati to Portugal

Our best Delta 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