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

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

What airlines fly to Portugal?

United Airlines, Delta 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 43% 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 November 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.

$323 Cheap Flights from Cincinnati to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cincinnati to Portugal

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 pm - 11:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

11h 25m1 stop Toronto Pearson Intl

5:05 am - 4:58 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

16h 53m2 stops Frankfurt am Main Chicago O'Hare Intl

$717Multiple Airlines

Mon, Apr 12 - Thu, Apr 22

1:14 pm - 7:40 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

13h 26m2 stops New York John F Kennedy Intl Madrid Barajas

8:40 pm - 8:47 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

28h 07m2 stops Madrid Barajas Chicago O'Hare Intl

$720Iberia

Tue, Mar 9 - Mon, Mar 22

9:10 pm - 3:45 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

13h 35m1 stop London Heathrow

11:05 am - 6:42 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

12h 37m1 stop Philadelphia

$721British Airways

Mon, Apr 12 - Thu, Apr 22

8:50 pm - 9:45 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

19h 55m1 stop London Heathrow

11:05 am - 11:20 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 15m1 stop Philadelphia

$721British Airways

Sun, Feb 7 - Tue, Feb 16

9:10 pm - 10:00 pmCVG Cincinnati Cinci./N. Kentucky-OPO Porto

19h 50m1 stop Paris Charles de Gaulle

5:55 am - 5:00 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

15h 05m1 stop Paris Charles de Gaulle

$725Delta

Tue, Mar 9 - Tue, Mar 23

9:10 pm - 10:00 pmCVG Cincinnati Cinci./N. Kentucky-OPO Porto

19h 50m1 stop Paris Charles de Gaulle

5:55 am - 5:00 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

15h 05m1 stop Paris Charles de Gaulle

$725Delta

Tue, Mar 9 - Thu, Mar 25

4:00 pm - 9:30 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

12h 30m1 stop Newark

6:00 am - 8:56 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

18h 56m2 stops Frankfurt am Main Chicago O'Hare Intl

$728United Airlines

Tue, Mar 9 - Wed, Mar 24

12:30 pm - 9:30 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

16h 00m1 stop Newark

6:00 am - 11:53 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

21h 53m2 stops Frankfurt am Main Chicago O'Hare Intl

$728United Airlines

Mon, Mar 8 - Tue, Mar 23

11:03 am - 9:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

17h 02m1 stop Philadelphia

11:05 am - 11:20 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 15m1 stop Philadelphia

$748American Airlines

Sun, Feb 7 - Tue, Feb 16

8:02 am - 9:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

20h 03m1 stop Philadelphia

11:05 am - 11:20 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

16h 15m1 stop Philadelphia

$798American Airlines

Wed, Mar 10 - Mon, Mar 22

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Virgin Atlantic flights from Cincinnati to Portugal

Our best Virgin Atlantic deals on Cincinnati to Portugal flight tickets

Virgin Atlantic

Dec 6

CVG11:25 amCincinnati Cinci./N. Kentucky

15h 35m

2 stops

LIS8:00 amLisbon Humberto Delgado

Dec 22

LIS11:15 amLisbon Humberto Delgado

16h 36m

2 stops

CVG10:51 pmCincinnati Cinci./N. Kentucky

$734

Virgin Atlantic

Dec 6

CVG11:50 amCincinnati Cinci./N. Kentucky

15h 10m

1 stop

LIS8:00 amLisbon Humberto Delgado

Dec 22

LIS11:15 amLisbon Humberto Delgado

16h 36m

2 stops

CVG10:51 pmCincinnati Cinci./N. Kentucky

$740

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Dec 6

CVG8:50 pmCincinnati Cinci./N. Kentucky

13h 05m

1 stop

LIS2:55 pmLisbon Humberto Delgado

Dec 22

LIS11:05 amLisbon Humberto Delgado

16h 34m

1 stop

CVG10:39 pmCincinnati Cinci./N. Kentucky

$749

British Airways

Mar 10

CVG1:14 pmCincinnati Cinci./N. Kentucky

20h 41m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Mar 22

LIS3:45 pmLisbon Humberto Delgado

32h 10m

1 stop

CVG7:55 pmCincinnati Cinci./N. Kentucky

$762

British Airways

Mar 10

CVG4:01 pmCincinnati Cinci./N. Kentucky

12h 04m

1 stop

LIS9:05 amLisbon Humberto Delgado

Mar 22

LIS6:35 pmLisbon Humberto Delgado

29h 20m

1 stop

CVG7:55 pmCincinnati Cinci./N. Kentucky

$768

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/12

6:40 pm-11:05 am

1 stop11h 25m

Lisbon Humberto Delgado

Thu 4/22

5:05 am-4:58 pm

2 stops16h 53m

$717

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/9

1:14 pm-7:40 am

2 stops13h 26m

Porto

Mon 3/22

8:40 pm-8:47 pm

2 stops28h 07m

$720

Quickest round-trip

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/12

9:10 pm-3:45 pm

1 stop13h 35m

Lisbon Humberto Delgado

Thu 4/22

11:05 am-6:42 pm

1 stop12h 37m

$721

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 2/7

8:50 pm-9:45 pm

1 stop19h 55m

Lisbon Humberto Delgado

Tue 2/16

11:05 am-11:20 pm

1 stop17h 15m

$721

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/9

9:10 pm-10:00 pm

1 stop19h 50m

Porto

Tue 3/23

5:55 am-5:00 pm

1 stop15h 05m

$725

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/9

9:10 pm-10:00 pm

1 stop19h 50m

Porto

Thu 3/25

5:55 am-5:00 pm

1 stop15h 05m

$725

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/9

4:00 pm-9:30 am

1 stop12h 30m

Porto

Wed 3/24

6:00 am-8:56 pm

2 stops18h 56m

$728

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 3/8

12:30 pm-9:30 am

1 stop16h 00m

Porto

Tue 3/23

6:00 am-11:53 pm

2 stops21h 53m

$728

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 2/7

11:03 am-9:05 am

1 stop17h 02m

Lisbon Humberto Delgado

Tue 2/16

11:05 am-11:20 pm

1 stop17h 15m

$748

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 3/10

8:02 am-9:05 am

1 stop20h 03m

Lisbon Humberto Delgado

Mon 3/22

11:05 am-11:20 pm

1 stop16h 15m

$798

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 $708, 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 $744.

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 $972 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 $640 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 24% 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

Best Price Found	$323
Fastest flight time	12h 40m
Direct flights	None

The best one-way flight to Portugal from Cincinnati in the past 72 hours is $323. The best round-trip flight deal from Cincinnati to Portugal found on momondo in the last 72 hours is $717.

The fastest flight from Cincinnati to Portugal takes 12h 40m

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 November 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
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.3 10,477 reviews	Search United Airlines flights
Air France	PriceFrom $493	Free Cancellation	Rating 7.5 1,648 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 8,280 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.8 8,708 reviews	Search Delta flights
American Airlines	PriceFrom $719	Free Cancellation	Rating 7.0 12,224 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

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $358

Flights to Portofrom $399

Flights to Funchalfrom $524

Flights to Farofrom $577

Flights to Ponta Delgadafrom $439

Flights to Lajesfrom $310

Flights to Hortafrom $433

Flights to Pico Islandfrom $585

Flights to Porto Santofrom $889

Flights to Velasfrom $588

Cheap flights from Cincinnati to Portugal from $323

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 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Cincinnati to Portugal

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Big names and deals

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Virgin Atlantic flights from Cincinnati to Portugal

Our best Virgin Atlantic 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

momondo Fare Finder

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

Best Price Found

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