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

American Airlines, British Airways, 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 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.

$337 Cheap Flights from Cincinnati to Portugal in 2026

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Find the cheapest flights from Cincinnati to Portugal

Round-trip

One-way

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Cheap round-trip flights

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9:50 pm - 2:45 pm

CVG

LIS

12h 55m

1 stop

10:40 am - 6:55 pm

LIS

CVG

13h 15m

1 stop

$740British Airways

Tue, Oct 27 - Wed, Nov 4

11:09 am - 9:05 am

CVG

LIS

16h 56m

1 stop

11:05 am - 11:12 pm

LIS

CVG

17h 07m

1 stop

$759British Airways

Wed, Nov 4 - Fri, Nov 13

9:50 pm - 2:45 pm

CVG

LIS

12h 55m

1 stop

8:20 am - 9:15 pm

LIS

CVG

17h 55m

2 stops

$761Multiple Airlines

Tue, Oct 27 - Wed, Nov 4

1:42 pm - 12:10 pm

CVG

LIS

17h 28m

2 stops

6:30 am - 6:52 pm

LIS

CVG

17h 22m

2 stops

$763Multiple Airlines

Wed, Nov 4 - Fri, Nov 13

1:42 pm - 12:10 pm

CVG

LIS

17h 28m

2 stops

11:05 am - 11:12 pm

LIS

CVG

17h 07m

1 stop

$764British Airways

Wed, Nov 4 - Fri, Nov 13

7:15 am - 7:40 am

CVG

LIS

19h 25m

2 stops

9:05 pm - 6:55 pm

LIS

CVG

26h 50m

2 stops

$777Iberia

Wed, Nov 4 - Mon, Nov 9

1:35 pm - 11:20 am

CVG

LIS

16h 45m

2 stops

11:30 am - 11:55 pm

LIS

CVG

17h 25m

2 stops

$790Delta

Wed, Nov 4 - Fri, Nov 13

1:55 pm - 7:00 am

CVG

OPO

12h 05m

1 stop

11:20 am - 11:26 am

OPO

CVG

29h 06m

2 stops

$887United Airlines

Tue, Aug 18 - Wed, Sep 2

10:22 am - 7:00 am

CVG

OPO

15h 38m

2 stops

12:00 pm - 11:53 pm

OPO

CVG

16h 53m

2 stops

$904United Airlines

Tue, Aug 18 - Wed, Sep 2

5:10 pm - 3:30 pm

CVG

OPO

17h 20m

1 stop

5:55 am - 3:05 pm

OPO

CVG

14h 10m

1 stop

$936Delta

Sun, Aug 2 - Fri, Aug 14

Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets

Delta

Nov 4

CVG1:35 pmCincinnati Cinci./N. Kentucky

16h 45m

2 stops

LIS11:20 amLisbon Humberto Delgado

Nov 13

LIS11:30 amLisbon Humberto Delgado

17h 25m

2 stops

CVG11:55 pmCincinnati Cinci./N. Kentucky

$790

Delta

Oct 13

CVG5:45 pmCincinnati Cinci./N. Kentucky

19h 05m

2 stops

LIS5:50 pmLisbon Humberto Delgado

Oct 20

LIS5:35 amLisbon Humberto Delgado

19h 05m

2 stops

CVG7:40 pmCincinnati Cinci./N. Kentucky

$846

Delta

Sep 21

CVG6:54 pmCincinnati Cinci./N. Kentucky

15h 31m

2 stops

OPO3:25 pmPorto

Oct 6

OPO5:00 amPorto

19h 57m

2 stops

CVG7:57 pmCincinnati Cinci./N. Kentucky

$905

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Oct 27

CVG9:50 pmCincinnati Cinci./N. Kentucky

12h 55m

1 stop

LIS2:45 pmLisbon Humberto Delgado

Nov 4

LIS10:40 amLisbon Humberto Delgado

13h 15m

1 stop

CVG6:55 pmCincinnati Cinci./N. Kentucky

$740

British Airways

Nov 4

CVG11:09 amCincinnati Cinci./N. Kentucky

16h 56m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 13

LIS11:05 amLisbon Humberto Delgado

17h 07m

1 stop

CVG11:12 pmCincinnati Cinci./N. Kentucky

$759

British Airways

Nov 4

CVG1:42 pmCincinnati Cinci./N. Kentucky

17h 28m

2 stops

LIS12:10 pmLisbon Humberto Delgado

Nov 13

LIS11:05 amLisbon Humberto Delgado

17h 07m

1 stop

CVG11:12 pmCincinnati Cinci./N. Kentucky

$764

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/27

9:50 pm-2:45 pm

1 stop12h 55m

Lisbon Humberto Delgado

Wed 11/4

10:40 am-6:55 pm

1 stop13h 15m

$740

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/4

11:09 am-9:05 am

1 stop16h 56m

Lisbon Humberto Delgado

Fri 11/13

11:05 am-11:12 pm

1 stop17h 07m

$759

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/27

9:50 pm-2:45 pm

1 stop12h 55m

Lisbon Humberto Delgado

Wed 11/4

8:20 am-9:15 pm

2 stops17h 55m

$761

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/4

1:42 pm-12:10 pm

2 stops17h 28m

Lisbon Humberto Delgado

Fri 11/13

6:30 am-6:52 pm

2 stops17h 22m

$763

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/4

1:42 pm-12:10 pm

2 stops17h 28m

Lisbon Humberto Delgado

Fri 11/13

11:05 am-11:12 pm

1 stop17h 07m

$764

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/4

7:15 am-7:40 am

2 stops19h 25m

Lisbon Humberto Delgado

Mon 11/9

9:05 pm-6:55 pm

2 stops26h 50m

$777

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/4

1:35 pm-11:20 am

2 stops16h 45m

Lisbon Humberto Delgado

Fri 11/13

11:30 am-11:55 pm

2 stops17h 25m

$790

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

11:20 am-11:26 am

2 stops29h 06m

$887

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

10:22 am-7:00 am

2 stops15h 38m

Porto

Wed 9/2

12:00 pm-11:53 pm

2 stops16h 53m

$904

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 8/2

5:10 pm-3:30 pm

1 stop17h 20m

Porto

Fri 8/14

5:55 am-3:05 pm

1 stop14h 10m

$936

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 $910 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 3% 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 39m
Direct flights	None

The fastest flight from Cincinnati to Portugal takes 10h 39m

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 1,596 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 8,015 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,400 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,778 reviews	Search United Airlines flights
American Airlines	PriceFrom $763	Free Cancellation	Rating 7.1 11,644 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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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $553

Flights to Portofrom $567

Flights to Funchalfrom $624

Flights to Farofrom $614

Flights to Ponta Delgadafrom $579

Flights to Lajesfrom $638

Flights to Pico Islandfrom $817

Flights to Hortafrom $727

Flights to Porto Santofrom $572

Flights to Velasfrom $747

Cheap flights from Cincinnati to Portugal from $337

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 7/6. 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

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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 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