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Cheap flights from Cincinnati to Portugal from $356

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 10/14. 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
0 bags

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Find the cheapest flights from Cincinnati to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 8:00 am
CVG
-
LIS
20h 00m
1 stop
Multiple Airlines Logo
5:35 am - 3:09 pm
LIS
-
CVG
14h 34m
1 stop
$781Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Delta Logo
2:25 pm - 2:55 pm
CVG
-
LIS
19h 30m
2 stops
Delta Logo
9:50 am - 10:36 pm
LIS
-
CVG
17h 46m
2 stops
$796Delta
Tue, Oct 13 - Tue, Oct 20
Air France Logo
6:25 pm - 5:50 pm
CVG
-
LIS
18h 25m
1 stop
Air France Logo
5:35 am - 3:05 pm
LIS
-
CVG
14h 30m
1 stop
$813Air France
Sun, May 3 - Sun, May 10
Delta Logo
6:25 pm - 5:50 pm
CVG
-
LIS
18h 25m
1 stop
Delta Logo
11:55 am - 11:14 pm
LIS
-
CVG
16h 19m
2 stops
$816Delta
Sun, May 3 - Sun, May 10
Delta Logo
6:25 pm - 5:50 pm
CVG
-
LIS
18h 25m
1 stop
Delta Logo
11:55 am - 12:34 am
LIS
-
CVG
17h 39m
2 stops
$817Delta
Sun, May 3 - Sun, May 10
American Airlines Logo
2:59 pm - 11:45 am
CVG
-
OPO
15h 46m
2 stops
American Airlines Logo
12:25 pm - 12:59 am
OPO
-
CVG
17h 34m
2 stops
$857American Airlines
Tue, Aug 18 - Wed, Sep 2
United Airlines Logo
1:55 pm - 7:00 am
CVG
-
OPO
12h 05m
1 stop
United Airlines Logo
12:45 pm - 8:30 pm
OPO
-
CVG
36h 45m
2 stops
$888United Airlines
Tue, Aug 18 - Wed, Sep 2
United Airlines Logo
1:55 pm - 7:00 am
CVG
-
OPO
12h 05m
1 stop
United Airlines Logo
12:45 pm - 8:30 pm
OPO
-
CVG
12h 45m
1 stop
$891United Airlines
Tue, Aug 18 - Wed, Sep 2
British Airways Logo
9:25 pm - 6:05 pm
CVG
-
FNC
15h 40m
1 stop
British Airways Logo
1:10 pm - 7:11 pm
FNC
-
CVG
59h 01m
2 stops
$1,031British Airways
Sun, Sep 20 - Sat, Sep 26
British Airways Logo
11:13 am - 11:30 am
CVG
-
FNC
43h 17m
2 stops
British Airways Logo
1:10 pm - 5:10 pm
FNC
-
CVG
57h 00m
2 stops
$1,035British Airways
Sun, Sep 20 - Sat, Sep 26

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets
United Airlines
Oct 20
CVG7:45 pmCincinnati Cinci./N. Kentucky
9h 45m
1 stop
LIS10:30 amLisbon Humberto Delgado
Oct 30
LIS1:00 pmLisbon Humberto Delgado
29h 03m
2 stops
CVG2:03 pmCincinnati Cinci./N. Kentucky
$780
United Airlines
Oct 20
CVG11:26 amCincinnati Cinci./N. Kentucky
18h 04m
2 stops
LIS10:30 amLisbon Humberto Delgado
Oct 30
LIS1:00 pmLisbon Humberto Delgado
29h 03m
2 stops
CVG2:03 pmCincinnati Cinci./N. Kentucky
$784
United Airlines
Oct 20
CVG7:45 pmCincinnati Cinci./N. Kentucky
9h 45m
1 stop
LIS10:30 amLisbon Humberto Delgado
Oct 30
LIS11:55 amLisbon Humberto Delgado
15h 54m
1 stop
CVG11:49 pmCincinnati Cinci./N. Kentucky
$795

Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets
Delta
Apr 28
CVG4:55 pmCincinnati Cinci./N. Kentucky
10h 05m
1 stop
LIS8:00 amLisbon Humberto Delgado
May 7
LIS5:00 amLisbon Humberto Delgado
16h 50m
2 stops
CVG4:50 pmCincinnati Cinci./N. Kentucky
$766
Delta
Apr 28
CVG11:02 amCincinnati Cinci./N. Kentucky
16h 48m
2 stops
LIS8:50 amLisbon Humberto Delgado
May 7
LIS5:00 amLisbon Humberto Delgado
16h 50m
2 stops
CVG4:50 pmCincinnati Cinci./N. Kentucky
$771
Delta
Oct 13
CVG2:25 pmCincinnati Cinci./N. Kentucky
19h 30m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Oct 20
LIS9:50 amLisbon Humberto Delgado
17h 46m
2 stops
CVG10:36 pmCincinnati Cinci./N. Kentucky
$796

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 April 23, 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

7:00 am-8:00 am

1 stop20h 00m

Lisbon Humberto Delgado

Tue 10/20

5:35 am-3:09 pm

1 stop14h 34m

$781

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

2:25 pm-2:55 pm

2 stops19h 30m

Lisbon Humberto Delgado

Tue 10/20

9:50 am-10:36 pm

2 stops17h 46m

$796

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

6:25 pm-5:50 pm

1 stop18h 25m

Lisbon Humberto Delgado

Sun 5/10

5:35 am-3:05 pm

1 stop14h 30m

$813

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

6:25 pm-5:50 pm

1 stop18h 25m

Lisbon Humberto Delgado

Sun 5/10

11:55 am-11:14 pm

2 stops16h 19m

$816

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

6:25 pm-5:50 pm

1 stop18h 25m

Lisbon Humberto Delgado

Sun 5/10

11:55 am-12:34 am

2 stops17h 39m

$817

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

2:59 pm-11:45 am

2 stops15h 46m

Porto

Wed 9/2

12:25 pm-12:59 am

2 stops17h 34m

$857

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

12:45 pm-8:30 pm

2 stops36h 45m

$888
Quickest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

12:45 pm-8:30 pm

1 stop12h 45m

$891

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Sun 9/20

9:25 pm-6:05 pm

1 stop15h 40m

Funchal Madeira

Sat 9/26

1:10 pm-7:11 pm

2 stops59h 01m

$1,031

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Sun 9/20

11:13 am-11:30 am

2 stops43h 17m

Funchal Madeira

Sat 9/26

1:10 pm-5:10 pm

2 stops57h 00m

$1,035

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 March. Flight prices, which tend to average around $706, 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 $717.

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 $901 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 $598 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 33% 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 30m

Direct flights

None
The fastest flight from Cincinnati to Portugal takes 10h 30m
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
7.4
1,578 reviews
Search Air France flights
British AirwaysPriceFrom $504Free CancellationRating
6.7
7,906 reviews
Search British Airways flights
DeltaPriceFrom $507Free CancellationRating
7.9
8,437 reviews
Search Delta flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,636 reviews
Search United Airlines flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,655 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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