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Cheap flights from Cincinnati to Portugal from $309

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 10/2. 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.
Lufthansa Logo
1:55 pm - 9:20 am
CVG
-
LIS
14h 25m
1 stop
Lufthansa Logo
6:45 am - 8:30 pm
LIS
-
CVG
18h 45m
2 stops
$735Lufthansa
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
1:55 pm - 9:20 am
CVG
-
LIS
14h 25m
1 stop
Multiple Airlines Logo
5:05 am - 5:00 pm
LIS
-
CVG
16h 55m
2 stops
$739Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Air France Logo
8:15 pm - 10:00 pm
CVG
-
OPO
21h 45m
1 stop
Air France Logo
5:55 am - 4:10 pm
OPO
-
CVG
15h 15m
1 stop
$742Air France
Tue, Oct 27 - Thu, Nov 5
Air France Logo
8:15 pm - 10:00 pm
CVG
-
OPO
21h 45m
1 stop
Air France Logo
5:55 am - 4:10 pm
OPO
-
CVG
15h 15m
1 stop
$743Air France
Tue, Oct 27 - Thu, Nov 5
Delta Logo
8:15 pm - 10:00 pm
CVG
-
OPO
21h 45m
1 stop
Delta Logo
5:00 am - 6:46 pm
OPO
-
CVG
18h 46m
2 stops
$745Delta
Tue, Oct 27 - Thu, Nov 5
Delta Logo
8:15 pm - 10:00 pm
CVG
-
OPO
21h 45m
1 stop
Delta Logo
5:00 am - 6:46 pm
OPO
-
CVG
18h 46m
2 stops
$746Delta
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
5:30 am - 9:20 am
CVG
-
LIS
22h 50m
2 stops
United Airlines Logo
6:45 am - 11:59 pm
LIS
-
CVG
22h 14m
2 stops
$747United Airlines
Tue, Oct 13 - Tue, Oct 20
United Airlines Logo
5:30 am - 9:20 am
CVG
-
LIS
22h 50m
2 stops
United Airlines Logo
5:05 am - 11:59 pm
LIS
-
CVG
23h 54m
2 stops
$748United Airlines
Tue, Oct 13 - Tue, Oct 20
British Airways Logo
8:50 pm - 9:45 pm
CVG
-
LIS
19h 55m
1 stop
British Airways Logo
7:05 am - 6:55 pm
LIS
-
CVG
16h 50m
1 stop
$755British Airways
Sun, Dec 13 - Tue, Dec 22
British Airways Logo
8:50 pm - 5:45 pm
CVG
-
LIS
15h 55m
1 stop
British Airways Logo
11:05 am - 11:30 pm
LIS
-
CVG
17h 25m
1 stop
$757British Airways
Sun, Dec 13 - Tue, Dec 22

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Air Canada flights from Cincinnati to Portugal

Our best Air Canada deals on Cincinnati to Portugal flight tickets
Air Canada
Dec 1
CVG6:40 pmCincinnati Cinci./N. Kentucky
31h 15m
2 stops
LIS6:55 amLisbon Humberto Delgado
Dec 4
LIS11:20 amLisbon Humberto Delgado
30h 12m
2 stops
CVG12:32 pmCincinnati Cinci./N. Kentucky
$813
Air Canada
Jul 14
CVG9:00 amCincinnati Cinci./N. Kentucky
19h 20m
1 stop
PDL8:20 amPonta Delgada Nordela
Jul 22
PDL9:35 amPonta Delgada Nordela
35h 14m
2 stops
CVG4:49 pmCincinnati Cinci./N. Kentucky
$859
Air Canada
Jul 14
CVG1:55 pmCincinnati Cinci./N. Kentucky
14h 25m
2 stops
PDL8:20 amPonta Delgada Nordela
Jul 22
PDL9:35 amPonta Delgada Nordela
35h 14m
2 stops
CVG4:49 pmCincinnati Cinci./N. Kentucky
$863

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets
United Airlines
Oct 13
CVG5:30 amCincinnati Cinci./N. Kentucky
22h 50m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 20
LIS6:45 amLisbon Humberto Delgado
22h 14m
2 stops
CVG11:59 pmCincinnati Cinci./N. Kentucky
$747
United Airlines
Oct 13
CVG5:30 amCincinnati Cinci./N. Kentucky
22h 50m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 20
LIS5:05 amLisbon Humberto Delgado
23h 54m
2 stops
CVG11:59 pmCincinnati Cinci./N. Kentucky
$748
United Airlines
Oct 20
CVG1:55 pmCincinnati Cinci./N. Kentucky
14h 25m
1 stop
LIS9:20 amLisbon Humberto Delgado
Oct 29
LIS10:15 amLisbon Humberto Delgado
14h 24m
1 stop
CVG8:39 pmCincinnati Cinci./N. Kentucky
$754

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 July 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

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

1:55 pm-9:20 am

1 stop14h 25m

Lisbon Humberto Delgado

Tue 10/20

6:45 am-8:30 pm

2 stops18h 45m

$735
Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

1:55 pm-9:20 am

1 stop14h 25m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-5:00 pm

2 stops16h 55m

$739

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:15 pm-10:00 pm

1 stop21h 45m

Porto

Thu 11/5

5:55 am-4:10 pm

1 stop15h 15m

$742

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:15 pm-10:00 pm

1 stop21h 45m

Porto

Thu 11/5

5:55 am-4:10 pm

1 stop15h 15m

$743

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:15 pm-10:00 pm

1 stop21h 45m

Porto

Thu 11/5

5:00 am-6:46 pm

2 stops18h 46m

$745

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:15 pm-10:00 pm

1 stop21h 45m

Porto

Thu 11/5

5:00 am-6:46 pm

2 stops18h 46m

$746

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

5:30 am-9:20 am

2 stops22h 50m

Lisbon Humberto Delgado

Tue 10/20

6:45 am-11:59 pm

2 stops22h 14m

$747

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

5:30 am-9:20 am

2 stops22h 50m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-11:59 pm

2 stops23h 54m

$748

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/13

8:50 pm-9:45 pm

1 stop19h 55m

Lisbon Humberto Delgado

Tue 12/22

7:05 am-6:55 pm

1 stop16h 50m

$755

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/13

8:50 pm-5:45 pm

1 stop15h 55m

Lisbon Humberto Delgado

Tue 12/22

11:05 am-11:30 pm

1 stop17h 25m

$757

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 September. Flight prices, which tend to average around $443, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Portugal from Cincinnati during April instead. Flights to Portugal in April, while not as cheap as those in September, still average around $485.

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 $921 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 17% 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 05m

Direct flights

None
The fastest flight from Cincinnati to Portugal takes 10h 05m
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
Air FrancePriceFrom $493Free CancellationRating
7.5
1,618 reviews
Search Air France flights
British AirwaysPriceFrom $504Free CancellationRating
6.7
8,095 reviews
Search British Airways flights
DeltaPriceFrom $507Free CancellationRating
7.8
8,455 reviews
Search Delta flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,931 reviews
Search United Airlines flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,764 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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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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