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

American Airlines, Air France, and United 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 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 December 2025, 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.

$272 Cheap Flights from Cincinnati to Portugal in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

4:00 pm - 8:10 am

CVG

LIS

11h 10m1 stop

11:55 am - 6:58 pm

LIS

CVG

12h 03m1 stop

$456Lufthansa

dom, fev 8 - ter, fev 24

6:40 pm - 8:55 am

CVG

LIS

33h 15m2 stops

11:20 am - 6:00 pm

LIS

CVG

35h 40m2 stops

$479Air Canada

sex, jan 23 - qui, fev 5

8:50 pm - 10:25 pm

CVG

LIS

20h 35m1 stop

3:50 pm - 6:55 pm

LIS

CVG

32h 05m1 stop

$484British Airways

sex, fev 13 - seg, fev 16

2:08 pm - 8:10 am

CVG

LIS

13h 02m2 stops

5:00 am - 8:18 pm

LIS

CVG

20h 18m2 stops

$485United Airlines

dom, fev 8 - ter, fev 24

5:55 pm - 9:20 am

CVG

LIS

34h 25m2 stops

11:20 am - 6:16 pm

LIS

CVG

35h 56m2 stops

$493United Airlines

seg, jan 19 - seg, jan 26

4:00 pm - 3:25 pm

CVG

OPO

18h 25m2 stops

12:10 pm - 8:46 pm

OPO

CVG

37h 36m2 stops

$493Multiple Airlines

qua, jan 21 - qua, jan 28

7:00 am - 10:15 am

CVG

LIS

22h 15m2 stops

11:20 am - 2:20 pm

LIS

CVG

32h 00m2 stops

$494United Airlines

sex, fev 20 - qua, fev 25

7:28 pm - 5:55 pm

CVG

LIS

17h 27m2 stops

11:05 am - 8:55 pm

LIS

CVG

14h 50m1 stop

$495British Airways

sex, fev 20 - qua, fev 25

8:50 pm - 10:25 pm

CVG

LIS

20h 35m1 stop

6:30 am - 9:22 pm

LIS

CVG

19h 52m2 stops

$497Multiple Airlines

sex, fev 13 - seg, fev 16

12:13 pm - 10:30 am

CVG

OPO

17h 17m2 stops

5:00 am - 10:35 pm

OPO

CVG

22h 35m2 stops

$499Delta

qua, jan 21 - qua, jan 28

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Feb 13

CVG8:50 pmCincinnati Cinci./N. Kentucky

20h 35m

1 stop

LIS10:25 pmLisbon Humberto Delgado

Feb 16

LIS12:55 pmLisbon Humberto Delgado

35h 00m

1 stop

CVG6:55 pmCincinnati Cinci./N. Kentucky

$484

Find similar

British Airways

Feb 20

CVG7:28 pmCincinnati Cinci./N. Kentucky

17h 27m

2 stops

LIS5:55 pmLisbon Humberto Delgado

Feb 25

LIS11:05 amLisbon Humberto Delgado

14h 50m

1 stop

CVG8:55 pmCincinnati Cinci./N. Kentucky

$495

Find similar

British Airways

Jan 19

CVG4:10 pmCincinnati Cinci./N. Kentucky

11h 55m

1 stop

LIS9:05 amLisbon Humberto Delgado

Jan 26

LIS11:05 amLisbon Humberto Delgado

14h 53m

1 stop

CVG8:58 pmCincinnati Cinci./N. Kentucky

$504

Find similar

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets

United Airlines

Feb 8

CVG2:08 pmCincinnati Cinci./N. Kentucky

13h 02m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 24

LIS5:00 amLisbon Humberto Delgado

20h 18m

2 stops

CVG8:18 pmCincinnati Cinci./N. Kentucky

$485

Find similar

United Airlines

Jan 19

CVG5:55 pmCincinnati Cinci./N. Kentucky

34h 25m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 26

LIS11:20 amLisbon Humberto Delgado

35h 56m

2 stops

CVG6:16 pmCincinnati Cinci./N. Kentucky

$493

Find similar

United Airlines

Feb 20

CVG7:00 amCincinnati Cinci./N. Kentucky

22h 15m

2 stops

LIS10:15 amLisbon Humberto Delgado

Feb 25

LIS11:20 amLisbon Humberto Delgado

32h 00m

2 stops

CVG2:20 pmCincinnati Cinci./N. Kentucky

$494

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

dom 2/8

4:00 pm-8:10 am

1 stop11h 10m

Lisbon Humberto Delgado

ter 2/24

11:55 am-6:58 pm

1 stop12h 03m

$456

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

sex 1/23

6:40 pm-8:55 am

2 stops33h 15m

Lisbon Humberto Delgado

qui 2/5

11:20 am-6:00 pm

2 stops35h 40m

$479

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

sex 2/13

8:50 pm-10:25 pm

1 stop20h 35m

Lisbon Humberto Delgado

seg 2/16

3:50 pm-6:55 pm

1 stop32h 05m

$484

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

dom 2/8

2:08 pm-8:10 am

2 stops13h 02m

Lisbon Humberto Delgado

ter 2/24

5:00 am-8:18 pm

2 stops20h 18m

$485

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

seg 1/19

5:55 pm-9:20 am

2 stops34h 25m

Lisbon Humberto Delgado

seg 1/26

11:20 am-6:16 pm

2 stops35h 56m

$493

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

qua 1/21

4:00 pm-3:25 pm

2 stops18h 25m

Porto

qua 1/28

12:10 pm-8:46 pm

2 stops37h 36m

$493

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

sex 2/20

7:00 am-10:15 am

2 stops22h 15m

Lisbon Humberto Delgado

qua 2/25

11:20 am-2:20 pm

2 stops32h 00m

$494

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

sex 2/20

7:28 pm-5:55 pm

2 stops17h 27m

Lisbon Humberto Delgado

qua 2/25

11:05 am-8:55 pm

1 stop14h 50m

$495

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

sex 2/13

8:50 pm-10:25 pm

1 stop20h 35m

Lisbon Humberto Delgado

seg 2/16

6:30 am-9:22 pm

2 stops19h 52m

$497

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

qua 1/21

12:13 pm-10:30 am

2 stops17h 17m

Porto

qua 1/28

5:00 am-10:35 pm

2 stops22h 35m

$499

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 $732, 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 $746.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Wednesday is the cheapest day to fly to Portugal from Cincinnati. The lowest ticket price found for a Wednesday departure recently was $766. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,244.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Cincinnati to Portugal during this time can be as low as $804. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,049 per ticket.

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 $1,013 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 $877 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	10h 50m
Direct flights	None

The fastest flight from Cincinnati to Portugal takes 10h 50m

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 December 2025, 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 $601	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
Delta	PriceFrom $633	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
British Airways	PriceFrom $637	Free Cancellation	Rating 6.7 7,605 reviews	Search British Airways flights
Air Canada	PriceFrom $683	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
American Airlines	PriceFrom $759	Free Cancellation	Rating 7.2 11,054 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

qui 1/22

qui 1/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $385

Flights to Portofrom $348

Flights to Funchalfrom $421

Flights to Farofrom $421

Flights to Ponta Delgadafrom $411

Flights to Lajesfrom $471

Flights to Hortafrom $580

Flights to Pico Islandfrom $564

Flights to Porto Santofrom $551

Flights to Velasfrom $574

Cincinnati flight routes

Flights from Cincinnati Cinci./N. Kentucky to Providence-TFGreen

Flights from Cincinnati Cinci./N. Kentucky to Tampa

Flights from Cincinnati Cinci./N. Kentucky to Palm Beach Intl

Flights from Cincinnati Cinci./N. Kentucky to Melbourne

Flights from Cincinnati Cinci./N. Kentucky to Charleston

Flights from Cincinnati Cinci./N. Kentucky to Fort Lauderdale

Cheap flights from Cincinnati to Portugal from $272

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Cincinnati to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

United Airlines flights from Cincinnati to Portugal

Our best United Airlines 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?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Cincinnati to Portugal during this time can be as low as $804. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,049 per ticket.

How far in advance should I book a flight to Portugal?

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.

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

American Airlines, Air France, and United Airlines are the most popular carriers operating 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

When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Portugal?

How many operators does momondo search 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?

What documentation or ID do you need to fly 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?

Why should I use momondo to find a flight deal from Cincinnati to Portugal?

Can I find flights from Cincinnati to Portugal with flexible booking policies on momondo?

How can momondo help me find flights from Cincinnati to Portugal?

I’m not ready to book a flight from Cincinnati to Portugal right now. Can momondo alert me if prices change?

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