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

American Airlines, Finnair, and Air France 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 50% 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 March 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.

$365 Cheap Flights from Cincinnati to Portugal in 2026

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One-way

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Cheap round-trip flights

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9:05 pm - 11:10 pm

CVG

LIS

21h 05m

1 stop

6:35 am - 7:15 pm

LIS

CVG

17h 40m

2 stops

$666Multiple Airlines

Mon, Apr 20 - Wed, May 6

9:05 pm - 11:10 pm

CVG

LIS

21h 05m

1 stop

11:05 am - 10:37 am

LIS

CVG

28h 32m

1 stop

$668American Airlines

Mon, Apr 20 - Wed, May 6

4:13 pm - 11:25 pm

CVG

LIS

26h 12m

2 stops

6:35 am - 11:27 pm

LIS

CVG

21h 52m

2 stops

$672Finnair

Mon, Apr 20 - Wed, May 6

7:46 pm - 11:25 pm

CVG

LIS

22h 39m

2 stops

6:35 am - 8:06 pm

LIS

CVG

18h 31m

2 stops

$677Iberia

Sun, May 3 - Sun, May 10

2:08 pm - 11:45 am

CVG

LIS

16h 37m

2 stops

5:05 am - 11:57 pm

LIS

CVG

23h 52m

2 stops

$684Lufthansa

Thu, Apr 23 - Thu, Apr 30

9:05 pm - 11:10 pm

CVG

LIS

21h 05m

1 stop

11:05 am - 6:42 pm

LIS

CVG

12h 37m

1 stop

$706British Airways

Mon, Apr 20 - Wed, May 6

9:05 pm - 11:25 am

CVG

FNC

33h 20m

1 stop

6:55 pm - 6:00 pm

FNC

CVG

28h 05m

1 stop

$713British Airways

Mon, Apr 20 - Mon, Apr 27

7:46 pm - 6:25 pm

CVG

LIS

41h 39m

2 stops

6:35 am - 8:06 pm

LIS

CVG

18h 31m

2 stops

$715Iberia

Wed, Apr 29 - Sun, May 10

1:55 pm - 7:00 am

CVG

OPO

12h 05m

1 stop

12:35 pm - 8:42 pm

OPO

CVG

13h 07m

1 stop

$847United Airlines

Tue, Aug 18 - Wed, Sep 2

1:55 pm - 7:00 am

CVG

OPO

12h 05m

1 stop

12:35 pm - 8:42 pm

OPO

CVG

13h 07m

1 stop

$897United Airlines

Tue, Aug 18 - Wed, Sep 2

Iberia flights from Cincinnati to Portugal

Our best Iberia deals on Cincinnati to Portugal flight tickets

Iberia

May 3

CVG7:46 pmCincinnati Cinci./N. Kentucky

22h 39m

2 stops

LIS11:25 pmLisbon Humberto Delgado

May 10

LIS6:35 amLisbon Humberto Delgado

18h 31m

2 stops

CVG8:06 pmCincinnati Cinci./N. Kentucky

$677

Iberia

Apr 29

CVG7:46 pmCincinnati Cinci./N. Kentucky

41h 39m

2 stops

LIS6:25 pmLisbon Humberto Delgado

May 10

LIS6:35 amLisbon Humberto Delgado

18h 31m

2 stops

CVG8:06 pmCincinnati Cinci./N. Kentucky

$715

Iberia

May 3

CVG7:46 pmCincinnati Cinci./N. Kentucky

22h 39m

2 stops

LIS11:25 pmLisbon Humberto Delgado

May 10

LIS6:35 amLisbon Humberto Delgado

18h 31m

2 stops

CVG8:06 pmCincinnati Cinci./N. Kentucky

$727

Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets

Delta

May 3

CVG6:25 pmCincinnati Cinci./N. Kentucky

18h 25m

1 stop

LIS5:50 pmLisbon Humberto Delgado

May 10

LIS5:00 amLisbon Humberto Delgado

19h 10m

2 stops

CVG7:10 pmCincinnati Cinci./N. Kentucky

$729

Delta

Apr 23

CVG6:25 pmCincinnati Cinci./N. Kentucky

15h 30m

1 stop

LIS2:55 pmLisbon Humberto Delgado

May 6

LIS5:00 amLisbon Humberto Delgado

20h 13m

2 stops

CVG8:13 pmCincinnati Cinci./N. Kentucky

$730

Delta

Apr 29

CVG4:55 pmCincinnati Cinci./N. Kentucky

16h 40m

2 stops

LIS2:35 pmLisbon Humberto Delgado

May 10

LIS11:55 amLisbon Humberto Delgado

17h 14m

2 stops

CVG12:09 amCincinnati Cinci./N. Kentucky

$739

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/20

9:05 pm-11:10 pm

1 stop21h 05m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-7:15 pm

2 stops17h 40m

$666

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/20

9:05 pm-11:10 pm

1 stop21h 05m

Lisbon Humberto Delgado

Wed 5/6

11:05 am-10:37 am

1 stop28h 32m

$668

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/20

4:13 pm-11:25 pm

2 stops26h 12m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-11:27 pm

2 stops21h 52m

$672

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

7:46 pm-11:25 pm

2 stops22h 39m

Lisbon Humberto Delgado

Sun 5/10

6:35 am-8:06 pm

2 stops18h 31m

$677

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Thu 4/23

2:08 pm-11:45 am

2 stops16h 37m

Lisbon Humberto Delgado

Thu 4/30

5:05 am-11:57 pm

2 stops23h 52m

$684

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/20

9:05 pm-11:10 pm

1 stop21h 05m

Lisbon Humberto Delgado

Wed 5/6

11:05 am-6:42 pm

1 stop12h 37m

$706

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Mon 4/20

9:05 pm-11:25 am

1 stop33h 20m

Funchal Madeira

Mon 4/27

6:55 pm-6:00 pm

1 stop28h 05m

$713

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 4/29

7:46 pm-6:25 pm

2 stops41h 39m

Lisbon Humberto Delgado

Sun 5/10

6:35 am-8:06 pm

2 stops18h 31m

$715

Quickest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

12:35 pm-8:42 pm

1 stop13h 07m

$847

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

12:35 pm-8:42 pm

1 stop13h 07m

$897

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 $717, 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 $722.

How far in advance should I book a flight 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 $909 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 $747 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 40% 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	12h 05m
Direct flights	None

The fastest flight from Cincinnati to Portugal takes 12h 05m

There are no direct flights from Cincinnati to Portugal. There are no popular flight routes from Cincinnati to Portugal.

Search flight deals

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 March 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 1,553 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,824 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.9 8,343 reviews	Search Delta flights
United Airlines	PriceFrom $541	Free Cancellation	Rating 7.4 9,493 reviews	Search United Airlines flights
American Airlines	PriceFrom $775	Free Cancellation	Rating 7.1 11,509 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 $433

Flights to Portofrom $427

Flights to Funchalfrom $565

Flights to Farofrom $471

Flights to Ponta Delgadafrom $569

Flights to Lajesfrom $559

Flights to Pico Islandfrom $582

Flights to Hortafrom $596

Flights to Porto Santofrom $931

Flights to Velasfrom $713

Cheap flights from Cincinnati to Portugal from $365

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 4/20. 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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Iberia flights from Cincinnati to Portugal

Our best Iberia deals on Cincinnati to Portugal flight tickets

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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 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

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