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Cheap flights from Cincinnati to Portugal from $362

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 8/15. 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.
Multiple Airlines Logo
1:55 pm - 9:20 am
CVG
-
LIS
14h 25m
1 stop
Multiple Airlines Logo
5:05 am - 11:59 pm
LIS
-
CVG
23h 54m
2 stops
$739Multiple Airlines
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
$740Multiple 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
5:40 am - 4:10 pm
OPO
-
CVG
15h 30m
1 stop
$743Air France
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
5:00 pm - 9:30 am
CVG
-
OPO
12h 30m
1 stop
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
CVG
22h 56m
2 stops
$745United Airlines
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
3:00 pm - 9:30 am
CVG
-
OPO
14h 30m
1 stop
United Airlines Logo
6:00 am - 8:32 am
OPO
-
CVG
31h 32m
2 stops
$746United Airlines
Tue, Oct 27 - Thu, Nov 5
Delta Logo
11:00 am - 8:00 am
CVG
-
LIS
16h 00m
1 stop
Delta Logo
11:30 am - 12:24 am
LIS
-
CVG
17h 54m
2 stops
$755Delta
Sun, Dec 6 - Tue, Dec 8
Delta Logo
2:45 pm - 11:20 am
CVG
-
LIS
15h 35m
2 stops
Delta Logo
11:30 am - 12:24 am
LIS
-
CVG
17h 54m
2 stops
$759Delta
Sun, Dec 6 - Tue, Dec 8
British Airways Logo
11:10 am - 9:05 am
CVG
-
LIS
16h 55m
1 stop
British Airways Logo
11:05 am - 11:14 pm
LIS
-
CVG
17h 09m
1 stop
$760British Airways
Sun, Dec 6 - Tue, Dec 8
British Airways Logo
8:50 pm - 5:45 pm
CVG
-
LIS
15h 55m
1 stop
British Airways Logo
7:40 pm - 6:55 pm
LIS
-
CVG
28h 15m
1 stop
$767British Airways
Sun, Dec 6 - Tue, Dec 8
American Airlines Logo
2:15 pm - 7:40 am
CVG
-
OPO
13h 25m
2 stops
American Airlines Logo
8:20 am - 9:15 pm
OPO
-
CVG
17h 55m
2 stops
$788American Airlines
Tue, Oct 27 - Thu, Nov 5

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Delta flights from Cincinnati to Portugal

Our best Delta deals on Cincinnati to Portugal flight tickets
Delta
Dec 6
CVG11:00 amCincinnati Cinci./N. Kentucky
16h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
Dec 8
LIS11:30 amLisbon Humberto Delgado
17h 54m
2 stops
CVG12:24 amCincinnati Cinci./N. Kentucky
$755
Delta
Dec 6
CVG2:45 pmCincinnati Cinci./N. Kentucky
15h 35m
2 stops
LIS11:20 amLisbon Humberto Delgado
Dec 8
LIS11:30 amLisbon Humberto Delgado
17h 54m
2 stops
CVG12:24 amCincinnati Cinci./N. Kentucky
$759
Delta
Oct 13
CVG6:30 pmCincinnati Cinci./N. Kentucky
18h 20m
1 stop
LIS5:50 pmLisbon Humberto Delgado
Oct 20
LIS5:35 amLisbon Humberto Delgado
14h 34m
1 stop
CVG3:09 pmCincinnati Cinci./N. Kentucky
$778

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets
United Airlines
Oct 27
CVG5:00 pmCincinnati Cinci./N. Kentucky
12h 30m
1 stop
OPO9:30 amPorto
Nov 5
OPO6:00 amPorto
22h 56m
2 stops
CVG11:56 pmCincinnati Cinci./N. Kentucky
$745
United Airlines
Oct 27
CVG3:00 pmCincinnati Cinci./N. Kentucky
14h 30m
1 stop
OPO9:30 amPorto
Nov 5
OPO6:00 amPorto
31h 32m
2 stops
CVG8:32 amCincinnati Cinci./N. Kentucky
$746
United Airlines
Oct 27
CVG12:29 pmCincinnati Cinci./N. Kentucky
17h 01m
2 stops
OPO9:30 amPorto
Nov 5
OPO6:00 amPorto
16h 15m
2 stops
CVG5:15 pmCincinnati Cinci./N. Kentucky
$750

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 June 21, 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

5:05 am-11:59 pm

2 stops23h 54m

$739
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

$740

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:15 pm-10:00 pm

1 stop21h 45m

Porto

Thu 11/5

5:40 am-4:10 pm

1 stop15h 30m

$743

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

5:00 pm-9:30 am

1 stop12h 30m

Porto

Thu 11/5

6:00 am-11:56 pm

2 stops22h 56m

$745

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

3:00 pm-9:30 am

1 stop14h 30m

Porto

Thu 11/5

6:00 am-8:32 am

2 stops31h 32m

$746

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/6

11:00 am-8:00 am

1 stop16h 00m

Lisbon Humberto Delgado

Tue 12/8

11:30 am-12:24 am

2 stops17h 54m

$755

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/6

2:45 pm-11:20 am

2 stops15h 35m

Lisbon Humberto Delgado

Tue 12/8

11:30 am-12:24 am

2 stops17h 54m

$759

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/6

11:10 am-9:05 am

1 stop16h 55m

Lisbon Humberto Delgado

Tue 12/8

11:05 am-11:14 pm

1 stop17h 09m

$760

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 12/6

8:50 pm-5:45 pm

1 stop15h 55m

Lisbon Humberto Delgado

Tue 12/8

7:40 pm-6:55 pm

1 stop28h 15m

$767

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

2:15 pm-7:40 am

2 stops13h 25m

Porto

Thu 11/5

8:20 am-9:15 pm

2 stops17h 55m

$788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 April. Flight prices, which tend to average around $485, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Portugal from Cincinnati during February instead. Flights to Portugal in February, while not as cheap as those in April, still average around $490.

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 $926 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

9h 45m

Direct flights

None
The fastest flight from Cincinnati to Portugal takes 9h 45m
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
1,612 reviews
Search Air France flights
British AirwaysPriceFrom $504Free CancellationRating
6.7
8,062 reviews
Search British Airways flights
DeltaPriceFrom $507Free CancellationRating
7.8
8,423 reviews
Search Delta flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,870 reviews
Search United Airlines flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,726 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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