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

British Airways, Iberia, 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 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.

$348 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.

12:27 pm - 7:40 am

CVG

OPO

14h 13m

2 stops

8:20 am - 10:57 pm

OPO

CVG

19h 37m

2 stops

$853Iberia

Sun, Sep 20 - Wed, Oct 14

2:15 pm - 7:00 am

CVG

OPO

11h 45m

1 stop

6:00 am - 8:17 pm

OPO

CVG

19h 17m

2 stops

$855United Airlines

Wed, Oct 21 - Sun, Nov 1

11:50 am - 9:45 am

CVG

OPO

16h 55m

1 stop

6:00 am - 8:17 pm

OPO

CVG

19h 17m

2 stops

$856United Airlines

Wed, Oct 21 - Sun, Nov 1

2:59 pm - 11:45 am

CVG

OPO

15h 46m

2 stops

12:25 pm - 12:59 am

OPO

CVG

17h 34m

2 stops

$857American Airlines

Tue, Aug 18 - Wed, Sep 2

6:00 am - 7:00 am

CVG

OPO

20h 00m

2 stops

6:00 am - 8:17 pm

OPO

CVG

19h 17m

2 stops

$859United Airlines

Wed, Oct 21 - Sun, Nov 1

11:52 am - 10:45 am

CVG

LIS

17h 53m

1 stop

5:00 am - 7:54 pm

LIS

CVG

19h 54m

2 stops

$954Delta

Wed, Jul 29 - Wed, Aug 5

6:25 pm - 5:50 pm

CVG

LIS

18h 25m

1 stop

5:35 am - 3:05 pm

LIS

CVG

14h 30m

1 stop

$955Air France

Sun, May 3 - Sun, May 10

6:25 pm - 2:55 pm

CVG

LIS

15h 30m

1 stop

11:55 am - 11:14 pm

LIS

CVG

16h 19m

2 stops

$958Delta

Sun, May 3 - Sun, May 10

9:15 pm - 12:35 pm

CVG

FNC

34h 20m

1 stop

6:55 pm - 6:10 pm

FNC

CVG

28h 15m

1 stop

$1,050British Airways

Fri, Sep 25 - Mon, Oct 5

7:18 pm - 6:05 pm

CVG

FNC

41h 47m

2 stops

6:55 pm - 3:30 pm

FNC

CVG

25h 35m

1 stop

$1,127British Airways

Sat, Sep 12 - Mon, Sep 21

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets

United Airlines

Oct 27

CVG7:45 pmCincinnati Cinci./N. Kentucky

10h 30m

1 stop

LIS10:15 amLisbon Humberto Delgado

Nov 4

LIS11:55 amLisbon Humberto Delgado

12h 08m

1 stop

CVG7:03 pmCincinnati Cinci./N. Kentucky

$767

United Airlines

Oct 13

CVG7:25 amCincinnati Cinci./N. Kentucky

20h 55m

2 stops

LIS9:20 amLisbon Humberto Delgado

Oct 20

LIS5:05 amLisbon Humberto Delgado

16h 53m

2 stops

CVG4:58 pmCincinnati Cinci./N. Kentucky

$806

United Airlines

Oct 13

CVG9:08 amCincinnati Cinci./N. Kentucky

18h 12m

2 stops

LIS8:20 amLisbon Humberto Delgado

Oct 20

LIS5:05 amLisbon Humberto Delgado

16h 53m

2 stops

CVG4:58 pmCincinnati Cinci./N. Kentucky

$807

Air Canada flights from Cincinnati to Portugal

Our best Air Canada deals on Cincinnati to Portugal flight tickets

Air Canada

Oct 12

CVG7:41 pmCincinnati Cinci./N. Kentucky

34h 24m

2 stops

LIS11:05 amLisbon Humberto Delgado

Oct 25

LIS11:20 amLisbon Humberto Delgado

34h 40m

2 stops

CVG6:00 pmCincinnati Cinci./N. Kentucky

$894

Air Canada

Oct 12

CVG7:41 pmCincinnati Cinci./N. Kentucky

34h 24m

2 stops

LIS11:05 amLisbon Humberto Delgado

Oct 26

LIS1:00 pmLisbon Humberto Delgado

24h 53m

2 stops

CVG9:53 amCincinnati Cinci./N. Kentucky

$901

Air Canada

Sep 20

CVG4:30 pmCincinnati Cinci./N. Kentucky

33h 30m

2 stops

OPO7:00 amPorto

Oct 11

OPO11:40 amPorto

30h 43m

2 stops

CVG1:23 pmCincinnati Cinci./N. Kentucky

$1,023

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 9/20

12:27 pm-7:40 am

2 stops14h 13m

Porto

Wed 10/14

8:20 am-10:57 pm

2 stops19h 37m

$853

Quickest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/21

2:15 pm-7:00 am

1 stop11h 45m

Porto

Sun 11/1

6:00 am-8:17 pm

2 stops19h 17m

$855

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/21

11:50 am-9:45 am

1 stop16h 55m

Porto

Sun 11/1

6:00 am-8:17 pm

2 stops19h 17m

$856

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

2:59 pm-11:45 am

2 stops15h 46m

Porto

Wed 9/2

12:25 pm-12:59 am

2 stops17h 34m

$857

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/21

6:00 am-7:00 am

2 stops20h 00m

Porto

Sun 11/1

6:00 am-8:17 pm

2 stops19h 17m

$859

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 7/29

11:52 am-10:45 am

1 stop17h 53m

Lisbon Humberto Delgado

Wed 8/5

5:00 am-7:54 pm

2 stops19h 54m

$954

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

6:25 pm-5:50 pm

1 stop18h 25m

Lisbon Humberto Delgado

Sun 5/10

5:35 am-3:05 pm

1 stop14h 30m

$955

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

11:55 am-11:14 pm

2 stops16h 19m

$958

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Fri 9/25

9:15 pm-12:35 pm

1 stop34h 20m

Funchal Madeira

Mon 10/5

6:55 pm-6:10 pm

1 stop28h 15m

$1,050

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Sat 9/12

7:18 pm-6:05 pm

2 stops41h 47m

Funchal Madeira

Mon 9/21

6:55 pm-3:30 pm

1 stop25h 35m

$1,127

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 $901 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 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 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 1,580 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,937 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,465 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,677 reviews	Search United Airlines flights
American Airlines	PriceFrom $709	Free Cancellation	Rating 7.1 11,681 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

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Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $458

Flights to Portofrom $498

Flights to Funchalfrom $604

Flights to Farofrom $621

Flights to Ponta Delgadafrom $634

Flights to Lajesfrom $640

Flights to Pico Islandfrom $623

Flights to Hortafrom $779

Flights to Porto Santofrom $829

Flights to Velasfrom $672

Cheap flights from Cincinnati to Portugal from $348

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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United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets

Air Canada flights from Cincinnati to Portugal

Our best Air Canada deals on Cincinnati to Portugal flight tickets

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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