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Cheap flights from Cincinnati to Portugal from $331

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 1/18. 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

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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.
United Airlines Logo
7:44 pm - 10:05 amCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
9h 21m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:20 am - 3:24 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
33h 04m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$711United Airlines
Tue, Nov 10 - Tue, Nov 17
Air France Logo
9:10 pm - 10:25 pmCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
20h 15m1 stop Paris Charles de Gaulle
Air France Logo
5:30 am - 4:09 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
15h 39m1 stop Paris Charles de Gaulle
$712Air France
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
11:44 am - 8:10 amCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
15h 26m1 stop Newark
United Airlines Logo
5:00 am - 6:00 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
18h 00m2 stops Frankfurt am Main Toronto Pearson Intl
$712United Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
10:50 am - 11:25 pmCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
31h 35m2 stops Chicago O'Hare Intl Zurich
Multiple Airlines Logo
5:55 am - 8:30 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
19h 35m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
$726Multiple Airlines
Wed, Oct 14 - Thu, Oct 22
Multiple Airlines Logo
10:50 am - 11:15 amCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
19h 25m2 stops Chicago O'Hare Intl Zurich
Multiple Airlines Logo
5:55 am - 8:30 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
19h 35m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
$726Multiple Airlines
Tue, Oct 13 - Thu, Oct 22
Delta Logo
6:30 pm - 2:55 pmCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
15h 25m1 stop Paris Charles de Gaulle
Delta Logo
5:35 am - 3:09 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
14h 34m1 stop Paris Charles de Gaulle
$742Delta
Tue, Oct 13 - Tue, Oct 20
Delta Logo
6:30 pm - 2:55 pmCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
15h 25m1 stop Paris Charles de Gaulle
Delta Logo
5:35 am - 3:09 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
14h 34m1 stop Paris Charles de Gaulle
$742Delta
Tue, Oct 13 - Thu, Oct 22
Air France Logo
6:30 pm - 2:55 pmCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
15h 25m1 stop Paris Charles de Gaulle
Air France Logo
5:35 am - 3:09 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
14h 34m1 stop Paris Charles de Gaulle
$742Air France
Tue, Oct 13 - Tue, Oct 20
British Airways Logo
9:25 pm - 11:15 pmCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
20h 50m1 stop London Heathrow
British Airways Logo
6:45 pm - 7:30 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
29h 45m1 stop London Heathrow
$759British Airways
Wed, Oct 14 - Thu, Oct 22
British Airways Logo
11:03 am - 9:05 amCVG  Cincinnati Cinci./N. Kentucky-LIS Lisbon Humberto Delgado
17h 02m1 stop Philadelphia
British Airways Logo
11:05 am - 9:52 pmLIS  Lisbon Humberto Delgado-CVG Cincinnati Cinci./N. Kentucky
15h 47m1 stop Philadelphia
$765British Airways
Mon, Nov 30 - Fri, Dec 4

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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 3
CVG6:00 amCincinnati Cinci./N. Kentucky
22h 20m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 11
LIS11:20 amLisbon Humberto Delgado
38h 19m
2 stops
CVG8:39 pmCincinnati Cinci./N. Kentucky
$764
Air Canada
Oct 11
CVG1:55 pmCincinnati Cinci./N. Kentucky
16h 10m
2 stops
LIS11:05 amLisbon Humberto Delgado
Oct 23
LIS11:25 amLisbon Humberto Delgado
33h 28m
2 stops
CVG3:53 pmCincinnati Cinci./N. Kentucky
$795
Air Canada
Aug 18
CVG11:17 amCincinnati Cinci./N. Kentucky
14h 43m
2 stops
OPO7:00 amPorto
Sep 2
OPO11:20 amPorto
29h 06m
2 stops
CVG11:26 amCincinnati Cinci./N. Kentucky
$1,000

SWISS flights from Cincinnati to Portugal

Our best SWISS deals on Cincinnati to Portugal flight tickets
SWISS
Sep 28
CVG10:50 amCincinnati Cinci./N. Kentucky
25h 35m
2 stops
LIS5:25 pmLisbon Humberto Delgado
Oct 5
LIS3:50 pmLisbon Humberto Delgado
33h 26m
2 stops
CVG8:16 pmCincinnati Cinci./N. Kentucky
$768
SWISS
Oct 11
CVG10:50 amCincinnati Cinci./N. Kentucky
31h 35m
2 stops
LIS11:25 pmLisbon Humberto Delgado
Oct 21
LIS5:55 amLisbon Humberto Delgado
19h 21m
2 stops
CVG8:16 pmCincinnati Cinci./N. Kentucky
$790

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 August 15, 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 Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/10

7:44 pm-10:05 am

1 stop9h 21m

Lisbon Humberto Delgado

Tue 11/17

11:20 am-3:24 pm

2 stops33h 04m

$711

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/10

9:10 pm-10:25 pm

1 stop20h 15m

Lisbon Humberto Delgado

Tue 11/17

5:30 am-4:09 pm

1 stop15h 39m

$712

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 11/10

11:44 am-8:10 am

1 stop15h 26m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-6:00 pm

2 stops18h 00m

$712

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 10/14

10:50 am-11:25 pm

2 stops31h 35m

Lisbon Humberto Delgado

Thu 10/22

5:55 am-8:30 pm

2 stops19h 35m

$726

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

10:50 am-11:15 am

2 stops19h 25m

Lisbon Humberto Delgado

Thu 10/22

5:55 am-8:30 pm

2 stops19h 35m

$726
Quickest round-trip

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

6:30 pm-2:55 pm

1 stop15h 25m

Lisbon Humberto Delgado

Tue 10/20

5:35 am-3:09 pm

1 stop14h 34m

$742

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

6:30 pm-2:55 pm

1 stop15h 25m

Lisbon Humberto Delgado

Thu 10/22

5:35 am-3:09 pm

1 stop14h 34m

$742

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

6:30 pm-2:55 pm

1 stop15h 25m

Lisbon Humberto Delgado

Tue 10/20

5:35 am-3:09 pm

1 stop14h 34m

$742

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 10/14

9:25 pm-11:15 pm

1 stop20h 50m

Lisbon Humberto Delgado

Thu 10/22

6:45 pm-7:30 pm

1 stop29h 45m

$759

CincinnatiLisbon

CVG Cincinnati Cinci./N. Kentucky - LIS Lisbon Humberto Delgado

CVGLIS

Cincinnati Cinci./N. Kentucky

Mon 11/30

11:03 am-9:05 am

1 stop17h 02m

Lisbon Humberto Delgado

Fri 12/4

11:05 am-9:52 pm

1 stop15h 47m

$765

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 $708, 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 $721.

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 $934 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 1% 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

11h 47m

Direct flights

None
The fastest flight from Cincinnati to Portugal takes 11h 47m
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
1,644 reviews
Search Air France flights
British AirwaysPriceFrom $504Free CancellationRating
6.7
8,164 reviews
Search British Airways flights
DeltaPriceFrom $507Free CancellationRating
7.8
8,509 reviews
Search Delta flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,941 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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