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Cheap flights from Cincinnati to Portugal from $306

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 3/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:50 pm - 2:50 pmCVG-LIS
13h 00m1 stop
British Airways Logo
7:05 am - 6:55 pmLIS-CVG
16h 50m1 stop
$435British Airways
Find Deal
Sun, Jan 11 - Wed, Jan 21
United Airlines Logo
4:00 pm - 8:10 amCVG-LIS
11h 10m1 stop
United Airlines Logo
11:20 am - 3:30 pmLIS-CVG
33h 10m2 stops
$439United Airlines
Find Deal
Sun, Jan 11 - Wed, Jan 21
United Airlines Logo
7:00 am - 9:20 amCVG-LIS
21h 20m2 stops
United Airlines Logo
11:20 am - 8:46 pmLIS-CVG
38h 26m2 stops
$446United Airlines
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Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
8:50 pm - 5:45 pmCVG-LIS
15h 55m1 stop
Multiple Airlines Logo
6:30 am - 8:16 pmLIS-CVG
18h 46m2 stops
$447Multiple Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 10
British Airways Logo
8:50 pm - 2:50 pmCVG-LIS
13h 00m1 stop
British Airways Logo
12:55 pm - 6:55 pmLIS-CVG
35h 00m1 stop
$458British Airways
Find Deal
Wed, Dec 31 - Mon, Jan 12
Iberia Logo
9:30 am - 7:40 amCVG-OPO
17h 10m2 stops
Iberia Logo
8:40 pm - 8:16 pmOPO-CVG
28h 36m2 stops
$460Iberia
Find Deal
Wed, Jan 14 - Wed, Jan 21
Delta Logo
7:40 am - 10:30 amCVG-OPO
21h 50m2 stops
Delta Logo
5:00 am - 10:35 pmOPO-CVG
22h 35m2 stops
$479Delta
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Sun, Jan 18 - Wed, Jan 28
Delta Logo
11:45 am - 10:30 amCVG-OPO
17h 45m2 stops
Delta Logo
5:00 am - 7:27 pmOPO-CVG
19h 27m2 stops
$489Delta
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Fri, Feb 6 - Tue, Feb 10
Lufthansa Logo
4:58 pm - 9:30 amCVG-OPO
12h 32m1 stop
Lufthansa Logo
12:30 pm - 11:46 pmOPO-CVG
39h 16m2 stops
$520Lufthansa
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Sun, Mar 8 - Sun, Mar 15
Lufthansa Logo
4:58 pm - 9:30 amCVG-OPO
12h 32m1 stop
Lufthansa Logo
4:15 pm - 8:18 pmOPO-CVG
56h 03m2 stops
$527Lufthansa
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Sun, Mar 8 - Sun, Mar 15

British Airways flights from Cincinnati to Portugal

Our best British Airways deals on Cincinnati to Portugal flight tickets
British Airways
Jan 11
CVG8:50 pmCincinnati Cinci./N. Kentucky
13h 00m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Jan 21
LIS7:05 amLisbon Humberto Delgado
16h 50m
1 stop
CVG6:55 pmCincinnati Cinci./N. Kentucky
$435
Find similar
British Airways
Feb 3
CVG8:50 pmCincinnati Cinci./N. Kentucky
15h 50m
1 stop
LIS5:40 pmLisbon Humberto Delgado
Feb 11
LIS11:05 amLisbon Humberto Delgado
14h 53m
1 stop
CVG8:58 pmCincinnati Cinci./N. Kentucky
$448
Find similar
British Airways
Jan 11
CVG2:26 pmCincinnati Cinci./N. Kentucky
16h 39m
2 stops
LIS12:05 pmLisbon Humberto Delgado
Jan 21
LIS6:35 pmLisbon Humberto Delgado
28h 18m
2 stops
CVG5:53 pmCincinnati Cinci./N. Kentucky
$458
Find similar

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets
United Airlines
Jan 11
CVG4:00 pmCincinnati Cinci./N. Kentucky
11h 10m
1 stop
LIS8:10 amLisbon Humberto Delgado
Jan 21
LIS11:20 amLisbon Humberto Delgado
33h 10m
2 stops
CVG3:30 pmCincinnati Cinci./N. Kentucky
$439
Find similar
United Airlines
Jan 14
CVG7:00 amCincinnati Cinci./N. Kentucky
21h 20m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 21
LIS11:20 amLisbon Humberto Delgado
38h 26m
2 stops
CVG8:46 pmCincinnati Cinci./N. Kentucky
$446
Find similar
United Airlines
Jan 1
CVG10:20 amCincinnati Cinci./N. Kentucky
18h 55m
1 stop
LIS10:15 amLisbon Humberto Delgado
Jan 15
LIS11:20 amLisbon Humberto Delgado
33h 10m
2 stops
CVG3:30 pmCincinnati Cinci./N. Kentucky
$461
Find similar

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 December 2, 2025.
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

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 1/11

8:50 pm-2:50 pm

1 stop13h 00m

Lisbon Humberto Delgado

Wed 1/21

7:05 am-6:55 pm

1 stop16h 50m

$435

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 1/11

4:00 pm-8:10 am

1 stop11h 10m

Lisbon Humberto Delgado

Wed 1/21

11:20 am-3:30 pm

2 stops33h 10m

$439

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 1/14

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Wed 1/21

11:20 am-8:46 pm

2 stops38h 26m

$446

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 2/1

8:50 pm-5:45 pm

1 stop15h 55m

Lisbon Humberto Delgado

Tue 2/10

6:30 am-8:16 pm

2 stops18h 46m

$447

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 12/31

8:50 pm-2:50 pm

1 stop13h 00m

Lisbon Humberto Delgado

Mon 1/12

12:55 pm-6:55 pm

1 stop35h 00m

$458

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 1/14

9:30 am-7:40 am

2 stops17h 10m

Porto

Wed 1/21

8:40 pm-8:16 pm

2 stops28h 36m

$460

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 1/18

7:40 am-10:30 am

2 stops21h 50m

Porto

Wed 1/28

5:00 am-10:35 pm

2 stops22h 35m

$479

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Fri 2/6

11:45 am-10:30 am

2 stops17h 45m

Porto

Tue 2/10

5:00 am-7:27 pm

2 stops19h 27m

$489

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 3/8

4:58 pm-9:30 am

1 stop12h 32m

Porto

Sun 3/15

12:30 pm-11:46 pm

2 stops39h 16m

$520

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 3/8

4:58 pm-9:30 am

1 stop12h 32m

Porto

Sun 3/15

4:15 pm-8:18 pm

2 stops56h 03m

$527

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 $726, 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 January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $737.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Wednesday is the cheapest day to fly to Portugal from Cincinnati. The lowest ticket price found for a Wednesday departure recently was $766. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,244.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Cincinnati to Portugal during this time can be as low as $804. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,049 per ticket.

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 $1,002 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 $846 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 3% 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

9h 35m

Direct flights

None
The fastest flight from Cincinnati to Portugal takes 9h 35m
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
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
DeltaPriceFrom $633Free CancellationRating
7.9
8,013 reviews
Search Delta flights
British AirwaysPriceFrom $637Free CancellationRating
6.7
7,550 reviews
Search British Airways flights
Air CanadaPriceFrom $683Free CancellationRating
7.1
10,495 reviews
Search Air Canada flights
American AirlinesPriceFrom $759Free CancellationRating
7.2
11,043 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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