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Cheap flights from Cincinnati to Portugal from $361

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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
2:09 pm - 2:35 pmCVG-LIS
19h 26m2 stops
SWISS Logo
3:25 pm - 8:45 pmLIS-CVG
34h 20m2 stops
$514SWISS
Find Deal
Mon, Nov 24 - Wed, Dec 3
Scandinavian Airlines Logo
7:05 am - 10:00 pmCVG-LIS
33h 55m2 stops
Scandinavian Airlines Logo
6:10 pm - 8:41 pmLIS-CVG
31h 31m2 stops
$523Scandinavian Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 26
Air Canada Logo
7:00 am - 9:20 amCVG-LIS
21h 20m2 stops
Air Canada Logo
10:55 am - 4:43 pmLIS-CVG
34h 48m2 stops
$532Air Canada
Find Deal
Tue, Dec 2 - Thu, Dec 11
Delta Logo
7:15 pm - 2:35 pmCVG-OPO
14h 20m1 stop
Delta Logo
6:00 am - 9:53 pmOPO-CVG
20h 53m2 stops
$536Delta
Find Deal
Thu, Jan 1 - Wed, Feb 4
United Airlines Logo
7:00 am - 10:15 amCVG-LIS
22h 15m2 stops
United Airlines Logo
11:20 am - 1:21 pmLIS-CVG
31h 01m2 stops
$537United Airlines
Find Deal
Tue, Dec 30 - Tue, Feb 3
United Airlines Logo
7:45 pm - 10:15 amCVG-LIS
9h 30m1 stop
United Airlines Logo
11:20 am - 3:20 pmLIS-CVG
33h 00m2 stops
$538United Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 12
Delta Logo
7:15 pm - 3:10 pmCVG-LIS
14h 55m1 stop
Delta Logo
5:30 am - 3:20 pmLIS-CVG
14h 50m1 stop
$540Delta
Find Deal
Tue, Dec 2 - Thu, Dec 11
Air Canada Logo
2:09 pm - 9:20 amCVG-LIS
14h 11m2 stops
Air Canada Logo
11:20 am - 1:16 pmLIS-CVG
30h 56m2 stops
$595Air Canada
Find Deal
Fri, Nov 28 - Fri, Dec 5
British Airways Logo
12:57 pm - 5:45 pmCVG-OPO
23h 48m2 stops
British Airways Logo
5:30 pm - 6:55 pmOPO-CVG
30h 25m1 stop
$613British Airways
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Tue, Nov 25 - Tue, Dec 2
British Airways Logo
4:44 pm - 4:05 pmCVG-OPO
18h 21m2 stops
British Airways Logo
5:30 pm - 6:55 pmOPO-CVG
30h 25m1 stop
$648British Airways
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Wed, Dec 31 - Mon, Feb 2

SWISS flights from Cincinnati to Portugal

Our best SWISS deals on Cincinnati to Portugal flight tickets
SWISS
Nov 24
CVG2:09 pmCincinnati Cinci./N. Kentucky
19h 26m
2 stops
LIS2:35 pmLisbon Humberto Delgado
Dec 3
LIS3:25 pmLisbon Humberto Delgado
34h 20m
2 stops
CVG8:45 pmCincinnati Cinci./N. Kentucky
$514
Find similar
SWISS
Dec 31
CVG2:19 pmCincinnati Cinci./N. Kentucky
23h 16m
2 stops
OPO6:35 pmPorto
Jan 31
OPO11:55 amPorto
37h 42m
2 stops
CVG8:37 pmCincinnati Cinci./N. Kentucky
$525
Find similar
SWISS
Nov 17
CVG2:09 pmCincinnati Cinci./N. Kentucky
40h 16m
2 stops
LIS11:25 amLisbon Humberto Delgado
Nov 24
LIS3:25 pmLisbon Humberto Delgado
34h 05m
2 stops
CVG8:30 pmCincinnati Cinci./N. Kentucky
$534
Find similar

United Airlines flights from Cincinnati to Portugal

Our best United Airlines deals on Cincinnati to Portugal flight tickets
United Airlines
Dec 30
CVG7:00 amCincinnati Cinci./N. Kentucky
22h 15m
2 stops
LIS10:15 amLisbon Humberto Delgado
Feb 3
LIS11:20 amLisbon Humberto Delgado
31h 01m
2 stops
CVG1:21 pmCincinnati Cinci./N. Kentucky
$537
Find similar
United Airlines
Nov 5
CVG2:56 pmCincinnati Cinci./N. Kentucky
14h 19m
1 stop
LIS10:15 amLisbon Humberto Delgado
Nov 12
LIS11:20 amLisbon Humberto Delgado
29h 12m
2 stops
CVG11:32 amCincinnati Cinci./N. Kentucky
$538
Find similar
United Airlines
Dec 1
CVG7:40 pmCincinnati Cinci./N. Kentucky
9h 35m
1 stop
LIS10:15 amLisbon Humberto Delgado
Dec 9
LIS5:00 amLisbon Humberto Delgado
23h 29m
2 stops
CVG11:29 pmCincinnati Cinci./N. Kentucky
$541
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 October 28, 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

Mon 11/24

2:09 pm-2:35 pm

2 stops19h 26m

Lisbon Humberto Delgado

Wed 12/3

3:25 pm-8:45 pm

2 stops34h 20m

$514

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Fri 1/16

7:05 am-10:00 pm

2 stops33h 55m

Lisbon Humberto Delgado

Mon 1/26

6:10 pm-8:41 pm

2 stops31h 31m

$523

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 12/2

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Thu 12/11

10:55 am-4:43 pm

2 stops34h 48m

$532

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Thu 1/1

7:15 pm-2:35 pm

1 stop14h 20m

Porto

Wed 2/4

6:00 am-9:53 pm

2 stops20h 53m

$536

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 12/30

7:00 am-10:15 am

2 stops22h 15m

Lisbon Humberto Delgado

Tue 2/3

11:20 am-1:21 pm

2 stops31h 01m

$537

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 12/2

7:45 pm-10:15 am

1 stop9h 30m

Lisbon Humberto Delgado

Fri 12/12

11:20 am-3:20 pm

2 stops33h 00m

$538

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 12/2

7:15 pm-3:10 pm

1 stop14h 55m

Lisbon Humberto Delgado

Thu 12/11

5:30 am-3:20 pm

1 stop14h 50m

$540

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Fri 11/28

2:09 pm-9:20 am

2 stops14h 11m

Lisbon Humberto Delgado

Fri 12/5

11:20 am-1:16 pm

2 stops30h 56m

$595

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 11/25

12:57 pm-5:45 pm

2 stops23h 48m

Porto

Tue 12/2

5:30 pm-6:55 pm

1 stop30h 25m

$613

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 12/31

4:44 pm-4:05 pm

2 stops18h 21m

Porto

Mon 2/2

5:30 pm-6:55 pm

1 stop30h 25m

$648

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 January. Flight prices, which tend to average around $719, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Cincinnati during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $729.

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 $1,011 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 $802 on momondo.

Can stopping save me money on Cincinnati to Portugal flights?

You could potentially save up to 26% 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

Direct flights

None
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 $572Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
DeltaPriceFrom $633Free CancellationRating
7.9
7,995 reviews
Search Delta flights
British AirwaysPriceFrom $636Free CancellationRating
6.7
7,481 reviews
Search British Airways flights
Air CanadaPriceFrom $683Free CancellationRating
7.1
10,370 reviews
Search Air Canada flights
American AirlinesPriceFrom $718Free CancellationRating
7.2
11,034 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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