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Cheap flights from Cincinnati to Portugal from $304

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 5/6. 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.
Delta Logo
6:25 pm - 3:25 pm
CVG
-
OPO
16h 00m
1 stop
Delta Logo
6:15 am - 3:15 pm
OPO
-
CVG
14h 00m
1 stop
$486Delta
Mo, Apr 13 - Di, Apr 21
Delta Logo
6:25 pm - 10:00 pm
CVG
-
OPO
22h 35m
1 stop
Delta Logo
6:15 am - 3:15 pm
OPO
-
CVG
14h 00m
1 stop
$487Delta
So, Apr 12 - Di, Apr 21
United Airlines Logo
10:20 am - 10:15 am
CVG
-
LIS
18h 55m
1 stop
United Airlines Logo
5:00 am - 6:50 pm
LIS
-
CVG
17h 50m
2 stops
$489United Airlines
Do, Feb 26 - Do, Mrz 12
United Airlines Logo
6:00 am - 9:20 am
CVG
-
LIS
22h 20m
2 stops
United Airlines Logo
11:25 am - 3:18 pm
LIS
-
CVG
32h 53m
2 stops
$491United Airlines
Di, Apr 28 - Mo, Mai 4
KLM Logo
5:00 pm - 3:25 pm
CVG
-
OPO
17h 25m
2 stops
KLM Logo
5:00 am - 6:08 pm
OPO
-
CVG
17h 08m
2 stops
$495KLM
Mo, Mrz 2 - Mi, Mrz 18
Multiple Airlines Logo
6:25 pm - 2:55 pm
CVG
-
LIS
15h 30m
1 stop
Multiple Airlines Logo
9:20 am - 8:13 pm
LIS
-
CVG
15h 53m
2 stops
$497Multiple Airlines
Mo, Apr 13 - Di, Apr 21
Multiple Airlines Logo
6:25 pm - 5:50 pm
CVG
-
LIS
18h 25m
1 stop
Multiple Airlines Logo
11:55 am - 10:49 pm
LIS
-
CVG
15h 54m
2 stops
$498Multiple Airlines
Mo, Apr 13 - Mi, Apr 22
KLM Logo
4:34 pm - 9:35 am
CVG
-
FNC
37h 01m
2 stops
KLM Logo
6:40 pm - 4:49 pm
FNC
-
CVG
27h 09m
2 stops
$534KLM
Mo, Mrz 23 - So, Mrz 29
British Airways Logo
12:54 pm - 3:10 pm
CVG
-
FNC
21h 16m
2 stops
British Airways Logo
4:45 pm - 7:55 pm
FNC
-
CVG
31h 10m
1 stop
$764British Airways
Di, Mrz 3 - Sa, Mrz 14
British Airways Logo
11:03 am - 11:10 am
CVG
-
FNC
43h 07m
2 stops
British Airways Logo
4:45 pm - 8:21 pm
FNC
-
CVG
31h 36m
2 stops
$774British Airways
Di, Mrz 3 - Sa, Mrz 14

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets
United Airlines
Feb 26
CVG10:20 amCincinnati Cinci./N. Kentucky
18h 55m
1 stop
LIS10:15 amLisbon Humberto Delgado
Mar 12
LIS5:00 amLisbon Humberto Delgado
17h 50m
2 stops
CVG6:50 pmCincinnati Cinci./N. Kentucky
$489
United Airlines
Apr 28
CVG6:00 amCincinnati Cinci./N. Kentucky
22h 20m
2 stops
LIS9:20 amLisbon Humberto Delgado
May 4
LIS11:25 amLisbon Humberto Delgado
32h 53m
2 stops
CVG3:18 pmCincinnati Cinci./N. Kentucky
$491
United Airlines
Apr 14
CVG6:02 amCincinnati Cinci./N. Kentucky
22h 18m
2 stops
LIS9:20 amLisbon Humberto Delgado
Apr 21
LIS11:25 amLisbon Humberto Delgado
38h 04m
2 stops
CVG8:29 pmCincinnati Cinci./N. Kentucky
$492

Lufthansa flights from Cincinnati to Portugal

Our best Lufthansa deals on Cincinnati to Portugal flight tickets
Lufthansa
Mar 15
CVG7:45 pmCincinnati Cinci./N. Kentucky
23h 05m
2 stops
LIS10:50 pmLisbon Humberto Delgado
Mar 26
LIS5:00 amLisbon Humberto Delgado
22h 53m
2 stops
CVG11:53 pmCincinnati Cinci./N. Kentucky
$517
Lufthansa
Mar 15
CVG7:45 pmCincinnati Cinci./N. Kentucky
23h 05m
2 stops
LIS10:50 pmLisbon Humberto Delgado
Mar 24
LIS2:10 pmLisbon Humberto Delgado
37h 36m
2 stops
CVG11:46 pmCincinnati Cinci./N. Kentucky
$529
Lufthansa
May 2
CVG6:04 pmCincinnati Cinci./N. Kentucky
23h 41m
2 stops
LIS10:45 pmLisbon Humberto Delgado
May 9
LIS5:05 amLisbon Humberto Delgado
23h 54m
2 stops
CVG11:59 pmCincinnati Cinci./N. Kentucky
$530

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 Januar 29, 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

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mo 4/13

6:25 pm-3:25 pm

1 stop16h 00m

Porto

Di 4/21

6:15 am-3:15 pm

1 stop14h 00m

$486

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

So 4/12

6:25 pm-10:00 pm

1 stop22h 35m

Porto

Di 4/21

6:15 am-3:15 pm

1 stop14h 00m

$487

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Do 2/26

10:20 am-10:15 am

1 stop18h 55m

Lisbon Humberto Delgado

Do 3/12

5:00 am-6:50 pm

2 stops17h 50m

$489

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Di 4/28

6:00 am-9:20 am

2 stops22h 20m

Lisbon Humberto Delgado

Mo 5/4

11:25 am-3:18 pm

2 stops32h 53m

$491

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mo 3/2

5:00 pm-3:25 pm

2 stops17h 25m

Porto

Mi 3/18

5:00 am-6:08 pm

2 stops17h 08m

$495

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mo 4/13

6:25 pm-2:55 pm

1 stop15h 30m

Lisbon Humberto Delgado

Di 4/21

9:20 am-8:13 pm

2 stops15h 53m

$497

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Mo 4/13

6:25 pm-5:50 pm

1 stop18h 25m

Lisbon Humberto Delgado

Mi 4/22

11:55 am-10:49 pm

2 stops15h 54m

$498

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Mo 3/23

4:34 pm-9:35 am

2 stops37h 01m

Funchal Madeira

So 3/29

6:40 pm-4:49 pm

2 stops27h 09m

$534

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Di 3/3

12:54 pm-3:10 pm

2 stops21h 16m

Funchal Madeira

Sa 3/14

4:45 pm-7:55 pm

1 stop31h 10m

$764

CincinnatiFunchal

CVG - FNC

CVGFNC

Cincinnati Cinci./N. Kentucky

Di 3/3

11:03 am-11:10 am

2 stops43h 07m

Funchal Madeira

Sa 3/14

4:45 pm-8:21 pm

2 stops31h 36m

$774

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 $703, 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 $717.

How far in advance should I book a flight 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 $939 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 $566 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 8% 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

12h 10m

Direct flights

None
The fastest flight from Cincinnati to Portugal takes 12h 10m
There are no direct flights from Cincinnati to Portugal. There are no popular flight routes from Cincinnati to Portugal.
Search flight deals

  • 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
British AirwaysPriceFrom $504Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
United AirlinesPriceFrom $601Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
DeltaPriceFrom $666Free CancellationRating
7.9
8,127 reviews
Search Delta flights
Air CanadaPriceFrom $683Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
American AirlinesPriceFrom $775Free CancellationRating
7.2
11,206 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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