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

British Airways, American Airlines, and Iberia 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 42% 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 August 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.

$293 Cheap Flights from Cincinnati to Portugal in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cincinnati to Portugal

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:53 am - 10:40 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

17h 47m2 stops Newark Montreal Pierre Elliott Trudeau Intl

5:00 am - 11:59 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

23h 59m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$696Multiple Airlines

Mon, Nov 9 - Thu, Nov 19

8:50 pm - 9:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

20h 05m1 stop London Heathrow

11:05 am - 10:00 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 55m1 stop Philadelphia

$703British Airways

Wed, Jan 27 - Tue, Feb 2

11:03 am - 9:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

17h 02m1 stop Philadelphia

6:30 am - 7:16 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 46m2 stops Madrid Barajas Chicago O'Hare Intl

$704Multiple Airlines

Mon, Nov 9 - Thu, Nov 19

10:10 pm - 10:00 pmCVG Cincinnati Cinci./N. Kentucky-OPO Porto

19h 50m1 stop Paris Charles de Gaulle

5:55 am - 4:09 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

15h 14m1 stop Paris Charles de Gaulle

$705Delta

Tue, Oct 27 - Thu, Nov 5

4:05 pm - 9:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

12h 00m1 stop Philadelphia

11:05 am - 6:35 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

12h 30m1 stop Philadelphia

$705British Airways

Mon, Nov 9 - Thu, Nov 19

11:44 am - 9:30 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

17h 46m1 stop Newark

6:00 am - 5:25 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

16h 25m2 stops Frankfurt am Main Chicago O'Hare Intl

$707United Airlines

Tue, Oct 27 - Thu, Nov 5

8:55 am - 9:30 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

20h 35m2 stops Chicago O'Hare Intl Newark

6:00 am - 5:25 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

16h 25m2 stops Frankfurt am Main Chicago O'Hare Intl

$711United Airlines

Tue, Oct 27 - Thu, Nov 5

7:00 am - 8:00 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

20h 00m1 stop New York John F Kennedy Intl

5:30 am - 4:12 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 42m1 stop Paris Charles de Gaulle

$718Delta

Mon, Jan 25 - Tue, Feb 2

9:10 pm - 5:30 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

15h 20m1 stop Paris Charles de Gaulle

5:30 am - 4:12 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 42m1 stop Paris Charles de Gaulle

$718Air France

Tue, Jan 26 - Tue, Feb 2

6:30 pm - 2:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

15h 25m1 stop Paris Charles de Gaulle

5:35 am - 3:09 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

14h 34m1 stop Paris Charles de Gaulle

$761Air France

Tue, Oct 13 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 6:30 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

31h 00m3 stops Toronto Pearson Intl Brussels Bruxelles-National Bilbao

4:20 pm - 9:23 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

34h 03m3 stops Bilbao Frankfurt am Main Toronto Pearson Intl

$1,156Multiple Airlines

Fri, Sep 4 - Tue, Sep 8

5:15 pm - 2:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

16h 40m1 stop Paris Charles de Gaulle

11:55 am - 12:23 amLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 28m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,194Multiple Airlines

Wed, Sep 2 - Fri, Sep 11

4:10 pm - 2:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

17h 45m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 4:41 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

16h 41m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,198Delta

Wed, Sep 2 - Fri, Sep 11

2:23 pm - 2:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

19h 32m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 4:41 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

16h 41m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,198Delta

Wed, Sep 2 - Fri, Sep 11

1:29 pm - 8:50 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

14h 21m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

11:55 am - 12:23 amLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 28m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,199Multiple Airlines

Wed, Sep 2 - Fri, Sep 11

1:34 pm - 11:15 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

16h 41m2 stops Raleigh-Durham Paris Charles de Gaulle

11:55 am - 12:23 amLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 28m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,199Delta

Wed, Sep 2 - Fri, Sep 11

5:15 pm - 2:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

16h 40m1 stop Paris Charles de Gaulle

12:45 pm - 7:41 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

11h 56m1 stop Boston Logan Intl

$1,205Multiple Airlines

Wed, Sep 2 - Fri, Sep 11

1:29 pm - 8:50 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

14h 21m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

10:00 am - 4:41 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

11h 41m1 stop New York John F Kennedy Intl

$1,209Air France

Wed, Sep 2 - Fri, Sep 11

8:27 pm - 11:10 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

21h 43m2 stops Chicago O'Hare Intl London Heathrow

7:10 am - 11:29 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

21h 19m2 stops London Heathrow Chicago O'Hare Intl

$1,447British Airways

Fri, Sep 4 - Mon, Sep 7

5:15 pm - 5:50 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

19h 35m1 stop Paris Charles de Gaulle

12:45 pm - 7:41 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

11h 56m1 stop Boston Logan Intl

$1,563Air France

Fri, Sep 4 - Mon, Sep 14

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British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Jan 27

CVG8:50 pmCincinnati Cinci./N. Kentucky

20h 05m

1 stop

LIS9:55 pmLisbon Humberto Delgado

Feb 2

LIS11:05 amLisbon Humberto Delgado

15h 55m

1 stop

CVG10:00 pmCincinnati Cinci./N. Kentucky

$703

British Airways

Nov 9

CVG4:05 pmCincinnati Cinci./N. Kentucky

12h 00m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 19

LIS11:05 amLisbon Humberto Delgado

12h 30m

1 stop

CVG6:35 pmCincinnati Cinci./N. Kentucky

$705

British Airways

Jan 27

CVG3:36 pmCincinnati Cinci./N. Kentucky

15h 29m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Feb 2

LIS11:05 amLisbon Humberto Delgado

15h 55m

1 stop

CVG10:00 pmCincinnati Cinci./N. Kentucky

$708

Air Canada flights from Cincinnati to Portugal

Our best Air Canada deals on Cincinnati to Portugal flight tickets

Air Canada

Jan 25

CVG7:35 amCincinnati Cinci./N. Kentucky

20h 45m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 2

LIS11:20 amLisbon Humberto Delgado

32h 38m

2 stops

CVG2:58 pmCincinnati Cinci./N. Kentucky

$715

Air Canada

Jan 25

CVG7:13 amCincinnati Cinci./N. Kentucky

21h 07m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 3

LIS11:20 amLisbon Humberto Delgado

41h 37m

2 stops

CVG11:57 pmCincinnati Cinci./N. Kentucky

$720

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 11/9

11:53 am-10:40 am

2 stops17h 47m

Lisbon Humberto Delgado

Thu 11/19

5:00 am-11:59 pm

2 stops23h 59m

$696

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 1/27

8:50 pm-9:55 pm

1 stop20h 05m

Lisbon Humberto Delgado

Tue 2/2

11:05 am-10:00 pm

1 stop15h 55m

$703

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 11/9

11:03 am-9:05 am

1 stop17h 02m

Lisbon Humberto Delgado

Thu 11/19

6:30 am-7:16 pm

2 stops17h 46m

$704

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

10:10 pm-10:00 pm

1 stop19h 50m

Porto

Thu 11/5

5:55 am-4:09 pm

1 stop15h 14m

$705

Quickest round-trip

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 11/9

4:05 pm-9:05 am

1 stop12h 00m

Lisbon Humberto Delgado

Thu 11/19

11:05 am-6:35 pm

1 stop12h 30m

$705

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

11:44 am-9:30 am

1 stop17h 46m

Porto

Thu 11/5

6:00 am-5:25 pm

2 stops16h 25m

$707

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:55 am-9:30 am

2 stops20h 35m

Porto

Thu 11/5

6:00 am-5:25 pm

2 stops16h 25m

$711

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 1/25

7:00 am-8:00 am

1 stop20h 00m

Lisbon Humberto Delgado

Tue 2/2

5:30 am-4:12 pm

1 stop15h 42m

$718

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 1/26

9:10 pm-5:30 pm

1 stop15h 20m

Lisbon Humberto Delgado

Tue 2/2

5:30 am-4:12 pm

1 stop15h 42m

$718

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

6:30 pm-2:55 pm

1 stop15h 25m

Lisbon Humberto Delgado

Tue 10/20

5:35 am-3:09 pm

1 stop14h 34m

$761

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 March. Flight prices, which tend to average around $699, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from Cincinnati during February instead. Flights to Portugal in February, while not as cheap as those in March, still average around $708.

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 $931 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 $612 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 1% 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

Best Price Found	$293
Fastest flight time	10h 10m
Direct flights	None

The best one-way flight to Portugal from Cincinnati in the past 72 hours is $293. The best round-trip flight deal from Cincinnati to Portugal found on momondo in the last 72 hours is $696.

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

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 August 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 7.5 1,644 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 8,198 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.8 8,535 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
American Airlines	PriceFrom $763	Free Cancellation	Rating 7.1 12,021 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 $554

Flights to Portofrom $527

Flights to Funchalfrom $551

Flights to Farofrom $633

Flights to Ponta Delgadafrom $572

Flights to Lajesfrom $568

Flights to Hortafrom $579

Flights to Pico Islandfrom $671

Flights to Porto Santofrom $725

Flights to Velasfrom $673

Cheap flights from Cincinnati to Portugal from $293

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 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Cincinnati to Portugal

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Big names and deals

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British Airways flights from Cincinnati to Portugal

Our best British Airways 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

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?

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

Best Price Found

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