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

British Airways, Finnair, and American Airlines 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 May 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.

$342 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.

8:50 pm - 9:50 pm

CVG

LIS

20h 00m

1 stop

6:35 pm - 6:55 pm

LIS

CVG

29h 20m

1 stop

$770British Airways

Wed, Nov 4 - Thu, Nov 19

11:40 am - 4:45 pm

CVG

OPO

24h 05m

2 stops

5:35 pm - 11:15 pm

OPO

CVG

34h 40m

2 stops

$790Scandinavian Airlines

Sat, Nov 7 - Sun, Nov 15

11:40 am - 4:05 pm

CVG

LIS

23h 25m

2 stops

4:55 pm - 5:05 pm

LIS

CVG

29h 10m

3 stops

$793Scandinavian Airlines

Sat, Nov 7 - Wed, Nov 18

11:30 am - 9:30 am

CVG

OPO

17h 00m

1 stop

12:30 pm - 9:53 am

OPO

CVG

26h 23m

2 stops

$806United Airlines

Wed, Nov 4 - Thu, Nov 12

10:20 pm - 11:00 pm

CVG

LIS

19h 40m

1 stop

11:05 am - 9:39 pm

LIS

CVG

15h 34m

1 stop

$806American Airlines

Tue, Oct 13 - Tue, Oct 20

7:45 pm - 11:00 am

CVG

LIS

34h 15m

2 stops

5:00 am - 6:00 pm

LIS

CVG

18h 00m

2 stops

$808Air Canada

Sat, Nov 7 - Wed, Nov 18

6:40 pm - 11:00 am

CVG

LIS

11h 20m

1 stop

11:20 am - 2:03 pm

LIS

CVG

31h 43m

2 stops

$810Air Canada

Sun, Nov 8 - Wed, Nov 18

7:45 pm - 10:15 am

CVG

LIS

9h 30m

1 stop

1:00 pm - 12:53 pm

LIS

CVG

28h 53m

2 stops

$811United Airlines

Wed, Nov 4 - Tue, Nov 17

7:45 pm - 11:55 pm

CVG

OPO

23h 10m

2 stops

12:30 pm - 8:17 pm

OPO

CVG

36h 47m

2 stops

$835Lufthansa

Wed, Nov 4 - Mon, Nov 16

5:55 pm - 10:25 pm

CVG

OPO

23h 30m

2 stops

12:30 pm - 8:17 pm

OPO

CVG

36h 47m

2 stops

$847Lufthansa

Sun, Nov 8 - Mon, Nov 16

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Nov 4

CVG8:50 pmCincinnati Cinci./N. Kentucky

13h 00m

1 stop

LIS2:50 pmLisbon Humberto Delgado

Nov 16

LIS6:35 pmLisbon Humberto Delgado

29h 20m

1 stop

CVG6:55 pmCincinnati Cinci./N. Kentucky

$770

British Airways

Oct 13

CVG10:20 pmCincinnati Cinci./N. Kentucky

14h 35m

1 stop

LIS5:55 pmLisbon Humberto Delgado

Oct 20

LIS11:05 amLisbon Humberto Delgado

15h 34m

1 stop

CVG9:39 pmCincinnati Cinci./N. Kentucky

$802

British Airways

Oct 14

CVG9:25 pmCincinnati Cinci./N. Kentucky

20h 50m

1 stop

LIS11:15 pmLisbon Humberto Delgado

Oct 28

LIS11:05 amLisbon Humberto Delgado

14h 34m

1 stop

CVG9:39 pmCincinnati Cinci./N. Kentucky

$807

Lufthansa flights from Cincinnati to Portugal

Our best Lufthansa deals on Cincinnati to Portugal flight tickets

Lufthansa

Nov 4

CVG3:00 pmCincinnati Cinci./N. Kentucky

27h 30m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Nov 13

LIS5:00 amLisbon Humberto Delgado

23h 58m

2 stops

CVG11:58 pmCincinnati Cinci./N. Kentucky

$822

Lufthansa

Nov 4

CVG7:45 pmCincinnati Cinci./N. Kentucky

23h 10m

2 stops

OPO11:55 pmPorto

Nov 16

OPO12:30 pmPorto

36h 47m

2 stops

CVG8:17 pmCincinnati Cinci./N. Kentucky

$835

Lufthansa

Nov 8

CVG5:55 pmCincinnati Cinci./N. Kentucky

23h 55m

2 stops

LIS10:50 pmLisbon Humberto Delgado

Nov 11

LIS5:00 amLisbon Humberto Delgado

23h 58m

2 stops

CVG11:58 pmCincinnati Cinci./N. Kentucky

$837

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/4

8:50 pm-9:50 pm

1 stop20h 00m

Lisbon Humberto Delgado

Thu 11/19

6:35 pm-6:55 pm

1 stop29h 20m

$770

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sat 11/7

11:40 am-4:45 pm

2 stops24h 05m

Porto

Sun 11/15

5:35 pm-11:15 pm

2 stops34h 40m

$790

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sat 11/7

11:40 am-4:05 pm

2 stops23h 25m

Lisbon Humberto Delgado

Wed 11/18

4:55 pm-5:05 pm

3 stops29h 10m

$793

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 11/4

11:30 am-9:30 am

1 stop17h 00m

Porto

Thu 11/12

12:30 pm-9:53 am

2 stops26h 23m

$806

Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

10:20 pm-11:00 pm

1 stop19h 40m

Lisbon Humberto Delgado

Tue 10/20

11:05 am-9:39 pm

1 stop15h 34m

$806

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sat 11/7

7:45 pm-11:00 am

2 stops34h 15m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-6:00 pm

2 stops18h 00m

$808

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 11/8

6:40 pm-11:00 am

1 stop11h 20m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-2:03 pm

2 stops31h 43m

$810

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/4

7:45 pm-10:15 am

1 stop9h 30m

Lisbon Humberto Delgado

Tue 11/17

1:00 pm-12:53 pm

2 stops28h 53m

$811

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 11/4

7:45 pm-11:55 pm

2 stops23h 10m

Porto

Mon 11/16

12:30 pm-8:17 pm

2 stops36h 47m

$835

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 11/8

5:55 pm-10:25 pm

2 stops23h 30m

Porto

Mon 11/16

12:30 pm-8:17 pm

2 stops36h 47m

$847

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 $907 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 33% 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 May 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 1,587 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,972 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,446 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,701 reviews	Search United Airlines flights
American Airlines	PriceFrom $709	Free Cancellation	Rating 7.1 11,661 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 $435

Flights to Portofrom $445

Flights to Funchalfrom $552

Flights to Farofrom $622

Flights to Ponta Delgadafrom $542

Flights to Lajesfrom $601

Flights to Pico Islandfrom $699

Flights to Hortafrom $777

Flights to Porto Santofrom $921

Flights to Velasfrom $744

Cheap flights from Cincinnati to Portugal from $342

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 10/14. 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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British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

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Our best Lufthansa 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