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Cheap flights from Cincinnati to Portugal from $334

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 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cincinnati to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:50 pm - 2:50 pm
CVG
-
LIS
13h 00m
1 stop
British Airways Logo
11:05 am - 9:47 pm
LIS
-
CVG
15h 42m
1 stop
$698British Airways
Wed, Nov 18 - Tue, Nov 24
Iberia Logo
12:55 pm - 11:50 am
CVG
-
LIS
17h 55m
2 stops
Iberia Logo
8:20 am - 7:19 pm
LIS
-
CVG
15h 59m
2 stops
$705Iberia
Wed, Nov 18 - Tue, Nov 24
British Airways Logo
8:50 pm - 2:50 pm
CVG
-
LIS
13h 00m
1 stop
British Airways Logo
6:35 pm - 6:55 pm
LIS
-
CVG
29h 20m
1 stop
$707British Airways
Wed, Nov 18 - Mon, Nov 23
Multiple Airlines Logo
8:50 pm - 5:40 pm
CVG
-
LIS
15h 50m
1 stop
Multiple Airlines Logo
8:20 am - 9:06 pm
LIS
-
CVG
17h 46m
2 stops
$712Multiple Airlines
Wed, Nov 18 - Tue, Nov 24
Air France Logo
6:30 pm - 2:55 pm
CVG
-
LIS
15h 25m
1 stop
Air France Logo
5:35 am - 3:09 pm
LIS
-
CVG
14h 34m
1 stop
$741Air France
Tue, Oct 13 - Tue, Oct 20
Air France Logo
6:30 pm - 2:55 pm
CVG
-
LIS
15h 25m
1 stop
Air France Logo
5:35 am - 3:09 pm
LIS
-
CVG
14h 34m
1 stop
$742Air France
Tue, Oct 13 - Tue, Oct 20
Delta Logo
10:10 pm - 10:00 pm
CVG
-
OPO
19h 50m
1 stop
Delta Logo
5:55 am - 4:09 pm
OPO
-
CVG
15h 14m
1 stop
$743Delta
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
8:55 am - 9:30 am
CVG
-
OPO
20h 35m
1 stop
United Airlines Logo
6:00 am - 7:18 pm
OPO
-
CVG
18h 18m
2 stops
$745United Airlines
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
7:30 am - 9:20 am
CVG
-
LIS
20h 50m
2 stops
United Airlines Logo
5:05 am - 7:06 pm
LIS
-
CVG
19h 01m
2 stops
$748United Airlines
Tue, Oct 13 - Tue, Oct 20
Delta Logo
1:44 pm - 11:15 am
CVG
-
LIS
16h 31m
2 stops
Delta Logo
5:00 am - 5:24 pm
LIS
-
CVG
17h 24m
2 stops
$749Delta
Tue, Oct 13 - Tue, Oct 20

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Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets
Delta
Oct 27
CVG10:10 pmCincinnati Cinci./N. Kentucky
19h 50m
1 stop
OPO10:00 pmPorto
Nov 5
OPO5:55 amPorto
15h 14m
1 stop
CVG4:09 pmCincinnati Cinci./N. Kentucky
$743
Delta
Sep 22
CVG6:30 pmCincinnati Cinci./N. Kentucky
18h 20m
1 stop
LIS5:50 pmLisbon Humberto Delgado
Sep 29
LIS5:00 amLisbon Humberto Delgado
19h 35m
2 stops
CVG7:35 pmCincinnati Cinci./N. Kentucky
$774
Delta
Sep 22
CVG6:30 pmCincinnati Cinci./N. Kentucky
18h 20m
1 stop
LIS5:50 pmLisbon Humberto Delgado
Sep 29
LIS5:00 amLisbon Humberto Delgado
19h 35m
2 stops
CVG7:35 pmCincinnati Cinci./N. Kentucky
$775

Air France flights from Cincinnati to Portugal

Our best Air France deals on Cincinnati to Portugal flight tickets
Air France
Oct 13
CVG6:30 pmCincinnati Cinci./N. Kentucky
15h 25m
1 stop
LIS2:55 pmLisbon Humberto Delgado
Oct 20
LIS5:35 amLisbon Humberto Delgado
14h 34m
1 stop
CVG3:09 pmCincinnati Cinci./N. Kentucky
$741
Air France
Oct 13
CVG6:30 pmCincinnati Cinci./N. Kentucky
15h 25m
1 stop
LIS2:55 pmLisbon Humberto Delgado
Oct 20
LIS5:35 amLisbon Humberto Delgado
14h 34m
1 stop
CVG3:09 pmCincinnati Cinci./N. Kentucky
$742
Air France
Sep 22
CVG6:30 pmCincinnati Cinci./N. Kentucky
18h 20m
1 stop
LIS5:50 pmLisbon Humberto Delgado
Sep 29
LIS5:35 amLisbon Humberto Delgado
14h 36m
1 stop
CVG3:11 pmCincinnati Cinci./N. Kentucky
$771

momondo Fare Finder

 
Customize your flight search to find flights from Cincinnati to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 3, 2026.
Use the filters below to find and compare flights from Cincinnati to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/18

8:50 pm-2:50 pm

1 stop13h 00m

Lisbon Humberto Delgado

Tue 11/24

11:05 am-9:47 pm

1 stop15h 42m

$698

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/18

12:55 pm-11:50 am

2 stops17h 55m

Lisbon Humberto Delgado

Tue 11/24

8:20 am-7:19 pm

2 stops15h 59m

$705

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/18

8:50 pm-2:50 pm

1 stop13h 00m

Lisbon Humberto Delgado

Mon 11/23

6:35 pm-6:55 pm

1 stop29h 20m

$707

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 11/18

8:50 pm-5:40 pm

1 stop15h 50m

Lisbon Humberto Delgado

Tue 11/24

8:20 am-9:06 pm

2 stops17h 46m

$712

CincinnatiLisbon

CVG - LIS

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

$741

CincinnatiLisbon

CVG - LIS

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

$742

CincinnatiPorto

CVG - OPO

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

$743

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:55 am-9:30 am

1 stop20h 35m

Porto

Thu 11/5

6:00 am-7:18 pm

2 stops18h 18m

$745

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

7:30 am-9:20 am

2 stops20h 50m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-7:06 pm

2 stops19h 01m

$748

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

1:44 pm-11:15 am

2 stops16h 31m

Lisbon Humberto Delgado

Tue 10/20

5:00 am-5:24 pm

2 stops17h 24m

$749

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

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

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 $721.

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 $903 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

Fastest flight time

10h 09m

Direct flights

None
The fastest flight from Cincinnati to Portugal takes 10h 09m
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?

  • 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
Virgin AtlanticPriceFrom $443Free CancellationRating
7.5
694 reviews
Search Virgin Atlantic flights
Air FrancePriceFrom $493Free CancellationRating
7.5
1,633 reviews
Search Air France flights
British AirwaysPriceFrom $504Free CancellationRating
6.7
8,143 reviews
Search British Airways flights
DeltaPriceFrom $507Free CancellationRating
7.8
8,488 reviews
Search Delta flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
10,058 reviews
Search United Airlines flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,844 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

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