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

British Airways and Air France are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Portugal

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.

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 October 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.

$301 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.

2:11 pm - 10:20 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

15h 09m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:45 pm - 5:58 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

28h 13m2 stops Zurich Toronto Pearson Intl

$700Multiple Airlines

Tue, Apr 13 - Wed, Apr 28

9:10 pm - 5:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

15h 45m1 stop London Heathrow

6:35 am - 8:10 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

18h 35m2 stops Madrid Barajas Dallas/Fort Worth

$705Multiple Airlines

Mon, Apr 19 - Tue, Apr 27

9:10 pm - 5:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

15h 45m1 stop London Heathrow

7:10 am - 6:05 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 55m1 stop London Heathrow

$722British Airways

Mon, Apr 19 - Tue, Apr 27

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

$724Delta

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

5:00 am - 7:33 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

19h 33m2 stops Amsterdam Schiphol Boston Logan Intl

$726Delta

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 - 4:58 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

15h 58m2 stops Frankfurt am Main Chicago O'Hare Intl

$727United Airlines

Sun, Apr 18 - Wed, Apr 28

9:08 am - 9:45 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

19h 37m2 stops Chicago O'Hare Intl Newark

6:00 am - 4:58 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

15h 58m2 stops Frankfurt am Main Chicago O'Hare Intl

$727United Airlines

Sun, Apr 18 - Wed, Apr 28

3:24 pm - 9:55 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

25h 31m2 stops Chicago O'Hare Intl London Heathrow

3:45 pm - 7:55 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

32h 10m1 stop London Heathrow

$749British Airways

Wed, Mar 10 - Mon, Mar 22

9:10 pm - 3:10 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

13h 00m1 stop Paris Charles de Gaulle

5:30 am - 4:05 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 35m1 stop Paris Charles de Gaulle

$754Air France

Tue, Nov 24 - Thu, Dec 3

2:45 pm - 9:00 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

13h 15m1 stop Boston Logan Intl

5:30 am - 4:05 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 35m1 stop Paris Charles de Gaulle

$755Air France

Mon, Nov 23 - Thu, Dec 3

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 10:35 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

46h 35m2 stops Chicago O'Hare Intl Istanbul

5:55 am - 11:42 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

46h 47m2 stops Istanbul Chicago O'Hare Intl

$1,063Turkish Airlines

Mon, Nov 2 - Sat, Nov 7

7:00 am - 11:25 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

35h 25m2 stops Chicago O'Hare Intl Istanbul

5:55 am - 11:42 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

46h 47m2 stops Istanbul Chicago O'Hare Intl

$1,112Turkish Airlines

Mon, Nov 2 - Sat, Nov 7

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

20h 05m1 stop Philadelphia

8:20 am - 8:25 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 05m2 stops Madrid Barajas Chicago O'Hare Intl

$1,282American Airlines

Mon, Nov 2 - Sat, Nov 7

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

20h 05m1 stop Philadelphia

8:20 am - 8:25 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

17h 05m2 stops Madrid Barajas Chicago O'Hare Intl

$1,292American Airlines

Mon, Nov 2 - Sat, Nov 7

5:49 pm - 9:00 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

10h 11m1 stop Boston Logan Intl

5:30 am - 4:09 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 39m1 stop Paris Charles de Gaulle

$1,294Delta

Mon, Nov 2 - Sat, Nov 7

12:40 pm - 9:00 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

15h 20m1 stop Boston Logan Intl

5:30 am - 4:09 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 39m1 stop Paris Charles de Gaulle

$1,294Air France

Mon, Nov 2 - Sat, Nov 7

11:45 am - 8:00 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

15h 15m1 stop New York John F Kennedy Intl

5:30 am - 4:09 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

15h 39m1 stop Paris Charles de Gaulle

$1,294Multiple Airlines

Mon, Nov 2 - Sat, Nov 7

8:55 am - 8:10 amCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

18h 15m1 stop Newark

11:20 am - 6:00 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

11h 40m1 stop Toronto Pearson Intl

$1,296United Airlines

Mon, Nov 2 - Sat, Nov 7

7:05 am - 4:10 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

28h 05m3 stops New York John F Kennedy Intl Boston Logan Intl Kastrup Copenhagen

7:05 am - 8:52 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

18h 47m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$3,070Scandinavian Airlines

Mon, Nov 2 - Sat, Nov 7

7:05 am - 4:10 pmCVG Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado

28h 05m3 stops New York John F Kennedy Intl Boston Logan Intl Kastrup Copenhagen

7:05 am - 8:52 pmLIS Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky

18h 47m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$3,435Scandinavian Airlines

Mon, Nov 2 - Sat, Nov 7

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Iberia flights from Cincinnati to Portugal

Our best Iberia deals on Cincinnati to Portugal flight tickets

Iberia

Apr 18

CVG2:03 pmCincinnati Cinci./N. Kentucky

16h 42m

2 stops

OPO11:45 amPorto

Apr 28

OPO8:20 amPorto

18h 41m

2 stops

CVG10:01 pmCincinnati Cinci./N. Kentucky

$710

Iberia

Apr 19

CVG9:10 pmCincinnati Cinci./N. Kentucky

21h 15m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Apr 27

LIS6:35 amLisbon Humberto Delgado

18h 31m

2 stops

CVG8:06 pmCincinnati Cinci./N. Kentucky

$717

Iberia

Nov 11

CVG12:24 pmCincinnati Cinci./N. Kentucky

14h 16m

2 stops

LIS7:40 amLisbon Humberto Delgado

Nov 17

LIS8:20 amLisbon Humberto Delgado

15h 58m

2 stops

CVG7:18 pmCincinnati Cinci./N. Kentucky

$784

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets

British Airways

Apr 19

CVG9:10 pmCincinnati Cinci./N. Kentucky

15h 45m

1 stop

LIS5:55 pmLisbon Humberto Delgado

Apr 27

LIS7:10 amLisbon Humberto Delgado

15h 55m

1 stop

CVG6:05 pmCincinnati Cinci./N. Kentucky

$722

British Airways

Mar 10

CVG3:24 pmCincinnati Cinci./N. Kentucky

25h 31m

2 stops

LIS9:55 pmLisbon Humberto Delgado

Mar 22

LIS3:45 pmLisbon Humberto Delgado

32h 10m

1 stop

CVG7:55 pmCincinnati Cinci./N. Kentucky

$749

British Airways

Feb 10

CVG11:54 amCincinnati Cinci./N. Kentucky

22h 01m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Feb 15

LIS3:45 pmLisbon Humberto Delgado

33h 07m

2 stops

CVG7:52 pmCincinnati Cinci./N. Kentucky

$753

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 4/13

2:11 pm-10:20 am

2 stops15h 09m

Porto

Wed 4/28

6:45 pm-5:58 pm

2 stops28h 13m

$700

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/19

9:10 pm-5:55 pm

1 stop15h 45m

Lisbon Humberto Delgado

Tue 4/27

6:35 am-8:10 pm

2 stops18h 35m

$705

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 4/19

9:10 pm-5:55 pm

1 stop15h 45m

Lisbon Humberto Delgado

Tue 4/27

7:10 am-6:05 pm

1 stop15h 55m

$722

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

$724

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

5:00 am-7:33 pm

2 stops19h 33m

$726

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-4:58 pm

2 stops15h 58m

$727

CincinnatiPorto

CVG Cincinnati Cinci./N. Kentucky - OPO Porto

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 4/18

9:08 am-9:45 am

2 stops19h 37m

Porto

Wed 4/28

6:00 am-4:58 pm

2 stops15h 58m

$727

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 3/10

3:24 pm-9:55 pm

2 stops25h 31m

Lisbon Humberto Delgado

Mon 3/22

3:45 pm-7:55 pm

1 stop32h 10m

$749

Quickest round-trip

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/24

9:10 pm-3:10 pm

1 stop13h 00m

Lisbon Humberto Delgado

Thu 12/3

5:30 am-4:05 pm

1 stop15h 35m

$754

CincinnatiLisbon

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

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 11/23

2:45 pm-9:00 am

1 stop13h 15m

Lisbon Humberto Delgado

Thu 12/3

5:30 am-4:05 pm

1 stop15h 35m

$755

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 December. Flight prices, which tend to average around $700, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Portugal from Cincinnati during February instead. Flights to Portugal in February, while not as cheap as those in December, 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 $932 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 $629 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	$301
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Portugal from Cincinnati in the past 72 hours is $301. The best round-trip flight deal from Cincinnati to Portugal found on momondo in the last 72 hours is $700.

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 October 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 10,442 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 8,271 reviews	Search British Airways flights
Delta	PriceFrom $507	Free Cancellation	Rating 7.8 8,680 reviews	Search Delta flights
American Airlines	PriceFrom $719	Free Cancellation	Rating 7.0 12,189 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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Airlines

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $449

Flights to Portofrom $408

Flights to Funchalfrom $406

Flights to Farofrom $568

Flights to Ponta Delgadafrom $554

Flights to Lajesfrom $546

Flights to Hortafrom $584

Flights to Pico Islandfrom $664

Flights to Porto Santofrom $1,001

Flights to Velasfrom $688

Cheap flights from Cincinnati to Portugal from $301

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 11/26. 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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Iberia flights from Cincinnati to Portugal

Our best Iberia 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