What airlines fly to Portugal?

United Airlines, Delta 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.

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

United Airlines and Air France 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 November 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.

$323 Cheap Flights from Cincinnati to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

6:40 pm - 12:50 pmCVG Cincinnati Cinci./N. Kentucky-OPO Porto

37h 10m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:00 am - 11:59 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

22h 59m2 stops Frankfurt am Main Newark

$716Multiple Airlines

Mon, Feb 15 - Wed, Feb 24

7:50 pm - 11:30 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

22h 40m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

3:35 pm - 8:56 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

34h 21m2 stops Zurich Chicago O'Hare Intl

$719Multiple Airlines

Tue, Mar 2 - Tue, Mar 9

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

17h 02m1 stop Philadelphia

11:05 am - 11:20 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 15m1 stop Philadelphia

$725British Airways

Tue, Mar 2 - Tue, Mar 9

6:00 am - 9:45 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

22h 45m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 8:17 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

19h 17m2 stops Frankfurt am Main Chicago O'Hare Intl

$731United Airlines

Sun, Apr 18 - Wed, Apr 28

5:30 am - 9:45 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

23h 15m2 stops Chicago O'Hare Intl Newark

6:00 am - 7:12 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

18h 12m2 stops Frankfurt am Main Chicago O'Hare Intl

$731United Airlines

Sun, Apr 18 - Wed, Apr 28

11:45 am - 10:55 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

18h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

5:55 am - 3:19 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

14h 24m1 stop Paris Charles de Gaulle

$733Delta

Sun, Apr 18 - Wed, Apr 28

7:00 am - 8:15 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

20h 15m1 stop New York John F Kennedy Intl

5:55 am - 4:05 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

15h 10m1 stop Paris Charles de Gaulle

$737Delta

Sun, Nov 29 - Tue, Dec 15

8:50 pm - 5:45 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

15h 55m1 stop London Heathrow

10:55 am - 9:59 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

16h 04m1 stop Philadelphia

$737British Airways

Wed, Jan 13 - Thu, Jan 21

4:06 pm - 8:55 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

11h 49m1 stop Philadelphia

11:05 am - 7:34 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

13h 29m1 stop Philadelphia

$797American Airlines

Wed, Feb 10 - Mon, Feb 15

8:02 am - 9:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

20h 03m1 stop Philadelphia

11:05 am - 11:20 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

16h 15m1 stop Philadelphia

$797American Airlines

Wed, Mar 10 - Mon, Mar 22

Cheap last minute flights

Enter your travel dates to find the best prices.

1:52 pm - 11:35 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

40h 43m2 stops Chicago O'Hare Intl Zurich

2:20 pm - 11:42 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

38h 22m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$815Multiple Airlines

Sun, Nov 8 - Mon, Nov 16

2:34 pm - 5:45 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

22h 11m2 stops Chicago O'Hare Intl London Heathrow

6:35 pm - 6:55 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

29h 20m1 stop London Heathrow

$845British Airways

Sun, Nov 8 - Mon, Nov 16

7:44 pm - 10:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

9h 21m1 stop Washington, D.C. Dulles Intl

12:20 pm - 11:59 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

16h 39m1 stop Washington, D.C. Dulles Intl

$859United Airlines

Sun, Nov 8 - Sun, Nov 15

8:00 am - 9:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

20h 05m1 stop Philadelphia

11:05 am - 9:52 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 47m1 stop Philadelphia

$859American Airlines

Sun, Nov 8 - Mon, Nov 16

7:44 pm - 10:05 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

9h 21m1 stop Washington, D.C. Dulles Intl

12:20 pm - 11:42 amLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

28h 22m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$864United Airlines

Sun, Nov 8 - Sun, Nov 15

6:00 am - 8:10 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

21h 10m2 stops Washington, D.C. Dulles Intl Newark

12:20 pm - 11:42 amLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

28h 22m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$864United Airlines

Sun, Nov 8 - Sun, Nov 15

7:15 am - 12:05 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

23h 50m1 stop Newark

7:00 pm - 10:56 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

32h 56m2 stops London Luton Orlando

$986Multiple Airlines

Sun, Nov 8 - Wed, Nov 11

8:50 pm - 9:45 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

31h 55m1 stop London Heathrow

9:00 pm - 11:53 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

31h 53m3 stops Porto London Gatwick Orlando

$1,181Multiple Airlines

Sun, Nov 8 - Wed, Nov 11

8:50 pm - 2:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

13h 05m1 stop London Heathrow

11:05 am - 6:31 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

12h 26m1 stop Philadelphia

$1,241British Airways

Sun, Nov 8 - Wed, Nov 11

8:50 pm - 9:45 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

31h 55m1 stop London Heathrow

11:05 am - 9:52 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 47m1 stop Philadelphia

$1,247British Airways

Sun, Nov 8 - Wed, Nov 11

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United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets

United Airlines

Apr 18

CVG6:00 amCincinnati Cinci./N. Kentucky

22h 45m

2 stops

OPO9:45 amPorto

Apr 28

OPO6:00 amPorto

19h 17m

2 stops

CVG8:17 pmCincinnati Cinci./N. Kentucky

$731

United Airlines

Apr 24

CVG6:51 pmCincinnati Cinci./N. Kentucky

32h 29m

1 stop

LIS8:20 amLisbon Humberto Delgado

Apr 28

LIS5:05 amLisbon Humberto Delgado

16h 53m

2 stops

CVG4:58 pmCincinnati Cinci./N. Kentucky

$740

United Airlines

Dec 2

CVG5:00 pmCincinnati Cinci./N. Kentucky

10h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Dec 10

LIS10:55 amLisbon Humberto Delgado

29h 40m

2 stops

CVG11:35 amCincinnati Cinci./N. Kentucky

$744

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Mar 2

CVG11:03 amCincinnati Cinci./N. Kentucky

17h 02m

1 stop

LIS9:05 amLisbon Humberto Delgado

Mar 9

LIS11:05 amLisbon Humberto Delgado

17h 15m

1 stop

CVG11:20 pmCincinnati Cinci./N. Kentucky

$725

British Airways

Jan 13

CVG8:50 pmCincinnati Cinci./N. Kentucky

15h 55m

1 stop

LIS5:45 pmLisbon Humberto Delgado

Jan 21

LIS10:55 amLisbon Humberto Delgado

16h 04m

1 stop

CVG9:59 pmCincinnati Cinci./N. Kentucky

$737

British Airways

Mar 10

CVG4:01 pmCincinnati Cinci./N. Kentucky

12h 04m

1 stop

LIS9:05 amLisbon Humberto Delgado

Mar 22

LIS6:35 pmLisbon Humberto Delgado

29h 20m

1 stop

CVG7:55 pmCincinnati Cinci./N. Kentucky

$762

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 2/15

6:40 pm-12:50 pm

2 stops37h 10m

Porto

Wed 2/24

6:00 am-11:59 pm

2 stops22h 59m

$716

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 3/2

7:50 pm-11:30 pm

2 stops22h 40m

Lisbon Humberto Delgado

Tue 3/9

3:35 pm-8:56 pm

2 stops34h 21m

$719

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 3/2

11:03 am-9:05 am

1 stop17h 02m

Lisbon Humberto Delgado

Tue 3/9

11:05 am-11:20 pm

1 stop17h 15m

$725

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 4/18

6:00 am-9:45 am

2 stops22h 45m

Porto

Wed 4/28

6:00 am-8:17 pm

2 stops19h 17m

$731

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 4/18

5:30 am-9:45 am

2 stops23h 15m

Porto

Wed 4/28

6:00 am-7:12 pm

2 stops18h 12m

$731

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 4/18

11:45 am-10:55 am

2 stops18h 10m

Porto

Wed 4/28

5:55 am-3:19 pm

1 stop14h 24m

$733

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 11/29

7:00 am-8:15 am

1 stop20h 15m

Porto

Tue 12/15

5:55 am-4:05 pm

1 stop15h 10m

$737

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 1/13

8:50 pm-5:45 pm

1 stop15h 55m

Lisbon Humberto Delgado

Thu 1/21

10:55 am-9:59 pm

1 stop16h 04m

$737

Quickest round-trip

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 2/10

4:06 pm-8:55 am

1 stop11h 49m

Lisbon Humberto Delgado

Mon 2/15

11:05 am-7:34 pm

1 stop13h 29m

$797

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 3/10

8:02 am-9:05 am

1 stop20h 03m

Lisbon Humberto Delgado

Mon 3/22

11:05 am-11:20 pm

1 stop16h 15m

$797

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 $708, 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 $744.

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 $954 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 $652 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 26% 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	$323
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Portugal from Cincinnati in the past 72 hours is $323. The best round-trip flight deal from Cincinnati to Portugal found on momondo in the last 72 hours is $716.

The fastest flight from Cincinnati to Portugal takes 12h 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 November 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
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.3 10,462 reviews	Search United Airlines flights
Air France	PriceFrom $493	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 8,282 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
American Airlines	PriceFrom $719	Free Cancellation	Rating 7.0 12,234 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

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $364

Flights to Portofrom $400

Flights to Funchalfrom $585

Flights to Farofrom $549

Flights to Ponta Delgadafrom $310

Flights to Lajesfrom $313

Flights to Hortafrom $883

Flights to Pico Islandfrom $699

Flights to Porto Santofrom $791

Flights to Velasfrom $691

Cheap flights from Cincinnati to Portugal from $323

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 4/13. 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

Cheap round-trip flights

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Cheap last minute flights

Big names and deals

Big names and deals

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United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets

British Airways flights from Cincinnati to Portugal

Our best British Airways 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