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 47% 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.

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

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.

9:25 pm - 11:15 pm

CVG

LIS

20h 50m

1 stop

8:20 am - 9:33 pm

LIS

CVG

18h 13m

2 stops

$752Multiple Airlines

Wed, Oct 21 - Wed, Nov 18

8:50 pm - 5:40 pm

CVG

LIS

15h 50m

1 stop

10:35 am - 6:55 pm

LIS

CVG

13h 20m

1 stop

$757British Airways

Tue, Nov 10 - Tue, Nov 17

1:42 pm - 12:05 pm

CVG

LIS

17h 23m

2 stops

11:05 am - 11:12 pm

LIS

CVG

17h 07m

1 stop

$764British Airways

Tue, Nov 10 - Tue, Nov 17

8:55 pm - 11:25 pm

CVG

LIS

21h 30m

2 stops

6:30 am - 9:33 pm

LIS

CVG

20h 03m

2 stops

$767Iberia

Wed, Oct 21 - Wed, Nov 18

8:50 pm - 12:10 pm

CVG

LIS

34h 20m

1 stop

7:05 am - 6:55 pm

LIS

CVG

16h 50m

1 stop

$768American Airlines

Tue, Nov 3 - Tue, Nov 10

12:00 pm - 8:00 am

CVG

LIS

15h 00m

2 stops

5:00 am - 5:13 pm

LIS

CVG

17h 13m

2 stops

$778KLM

Tue, Nov 3 - Tue, Nov 10

2:15 pm - 7:00 am

CVG

OPO

11h 45m

1 stop

6:00 am - 8:17 pm

OPO

CVG

19h 17m

2 stops

$854United Airlines

Wed, Oct 21 - Sun, Nov 1

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

2:59 pm - 11:45 am

CVG

OPO

15h 46m

2 stops

12:25 pm - 12:59 am

OPO

CVG

17h 34m

2 stops

$856American Airlines

Tue, Aug 18 - Wed, Sep 2

7:52 pm - 9:15 am

CVG

FNC

32h 23m

2 stops

6:40 pm - 4:42 pm

FNC

CVG

27h 02m

2 stops

$1,447KLM

Tue, Jun 2 - Sun, Jun 7

American Airlines flights from Cincinnati to Portugal

Our best American Airlines deals on Cincinnati to Portugal flight tickets

American Airlines

Nov 3

CVG8:50 pmCincinnati Cinci./N. Kentucky

34h 20m

1 stop

LIS12:10 pmLisbon Humberto Delgado

Nov 10

LIS7:05 amLisbon Humberto Delgado

16h 50m

1 stop

CVG6:55 pmCincinnati Cinci./N. Kentucky

$768

American Airlines

Oct 13

CVG10:20 pmCincinnati Cinci./N. Kentucky

19h 40m

1 stop

LIS11:00 pmLisbon Humberto Delgado

Oct 20

LIS11:05 amLisbon Humberto Delgado

15h 34m

1 stop

CVG9:39 pmCincinnati Cinci./N. Kentucky

$805

American Airlines

Sep 28

CVG6:36 pmCincinnati Cinci./N. Kentucky

9h 29m

1 stop

LIS9:05 amLisbon Humberto Delgado

Oct 7

LIS6:35 amLisbon Humberto Delgado

16h 16m

2 stops

CVG5:51 pmCincinnati Cinci./N. Kentucky

$853

KLM flights from Cincinnati to Portugal

Our best KLM deals on Cincinnati to Portugal flight tickets

KLM

Nov 3

CVG12:00 pmCincinnati Cinci./N. Kentucky

15h 00m

2 stops

LIS8:00 amLisbon Humberto Delgado

Nov 10

LIS5:00 amLisbon Humberto Delgado

17h 13m

2 stops

CVG5:13 pmCincinnati Cinci./N. Kentucky

$778

KLM

Oct 20

CVG2:25 pmCincinnati Cinci./N. Kentucky

15h 20m

1 stop

LIS10:45 amLisbon Humberto Delgado

Nov 18

LIS11:30 amLisbon Humberto Delgado

16h 41m

2 stops

CVG11:11 pmCincinnati Cinci./N. Kentucky

$786

KLM

Oct 22

CVG11:00 amCincinnati Cinci./N. Kentucky

16h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Nov 18

LIS11:30 amLisbon Humberto Delgado

16h 41m

2 stops

CVG11:11 pmCincinnati Cinci./N. Kentucky

$836

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 10/21

9:25 pm-11:15 pm

1 stop20h 50m

Lisbon Humberto Delgado

Wed 11/18

8:20 am-9:33 pm

2 stops18h 13m

$752

Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/10

8:50 pm-5:40 pm

1 stop15h 50m

Lisbon Humberto Delgado

Tue 11/17

10:35 am-6:55 pm

1 stop13h 20m

$757

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/10

1:42 pm-12:05 pm

2 stops17h 23m

Lisbon Humberto Delgado

Tue 11/17

11:05 am-11:12 pm

1 stop17h 07m

$764

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 10/21

8:55 pm-11:25 pm

2 stops21h 30m

Lisbon Humberto Delgado

Wed 11/18

6:30 am-9:33 pm

2 stops20h 03m

$767

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/3

8:50 pm-12:10 pm

1 stop34h 20m

Lisbon Humberto Delgado

Tue 11/10

7:05 am-6:55 pm

1 stop16h 50m

$768

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/3

12:00 pm-8:00 am

2 stops15h 00m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-5:13 pm

2 stops17h 13m

$778

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

$854

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

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

$856

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Tue 6/2

7:52 pm-9:15 am

2 stops32h 23m

Funchal Madeira

Sun 6/7

6:40 pm-4:42 pm

2 stops27h 02m

$1,447

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 $908 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	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 1,590 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,992 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,445 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,752 reviews	Search United Airlines flights
American Airlines	PriceFrom $763	Free Cancellation	Rating 7.1 11,643 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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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $491

Flights to Portofrom $448

Flights to Funchalfrom $621

Flights to Farofrom $499

Flights to Ponta Delgadafrom $592

Flights to Lajesfrom $639

Flights to Pico Islandfrom $741

Flights to Hortafrom $666

Flights to Porto Santofrom $702

Flights to Velasfrom $724

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Cincinnati to Portugal

Our best American Airlines deals on Cincinnati to Portugal flight tickets

KLM flights from Cincinnati to Portugal

Our best KLM 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