CVG - OPO

$332 Find Cheap Flights from Cincinnati to Porto - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$710
Typical prices: $837-$1,291
Iberia
Wed 4/18Sat 4/28
CVG - OPO • 2 stops
Cheapest one-way
$332
Typical prices: $402-$681
United Airlines
Sat 3/10
CVG - OPO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Cincinnati and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 30% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Paris Charles de Gaulle (CDG)
Cheapest • Avg $1,125 (round-trip)
Newark (EWR)
Shortest trip • 11h 53m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Cincinnati to Porto (CVG-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Cincinnati to Porto

Sun, Apr 18 - Wed, Apr 28
Iberia Logo
2:03 pm - 11:45 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
16h 42m2 stops New York John F Kennedy Intl Madrid Barajas
Iberia Logo
8:20 am - 10:01 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
18h 41m2 stops Madrid Barajas Boston Logan Intl
$710Iberia
Tue, Mar 2 - Thu, Mar 11
Delta Logo
9:10 pm - 10:00 pmCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
19h 50m1 stop Paris Charles de Gaulle
Delta Logo
5:55 am - 4:00 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
15h 05m1 stop Paris Charles de Gaulle
$715Delta
Tue, Mar 2 - Tue, Mar 16
Delta Logo
9:10 pm - 10:00 pmCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
19h 50m1 stop Paris Charles de Gaulle
Delta Logo
5:55 am - 5:00 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
15h 05m1 stop Paris Charles de Gaulle
$715Delta
Tue, Mar 2 - Thu, Mar 11
United Airlines Logo
4:53 pm - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
11h 37m1 stop Newark
United Airlines Logo
6:00 am - 11:54 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
22h 54m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$717United Airlines
Mon, Mar 8 - Fri, Mar 12
United Airlines Logo
8:15 am - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
20h 15m1 stop Newark
United Airlines Logo
6:00 am - 11:54 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
22h 54m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$717United Airlines
Sun, Mar 7 - Wed, Mar 17
United Airlines Logo
4:00 pm - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
12h 30m1 stop Newark
United Airlines Logo
6:00 am - 11:54 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
21h 54m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$717United Airlines
Wed, Mar 3 - Thu, Mar 11
Delta Logo
2:45 pm - 10:35 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
14h 50m2 stops Raleigh-Durham Paris Charles de Gaulle
Delta Logo
5:00 am - 9:25 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
21h 25m2 stops Amsterdam Schiphol Boston Logan Intl
$722Delta
Wed, Mar 3 - Mon, Mar 15
Lufthansa Logo
11:30 am - 1:15 pmCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
20h 45m2 stops Newark Munich Franz Josef Strauss
Lufthansa Logo
1:45 pm - 11:53 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
38h 08m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$746Lufthansa
Tue, Mar 2 - Mon, Mar 15
Lufthansa Logo
3:00 pm - 11:45 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
15h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
Lufthansa Logo
1:45 pm - 11:53 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
38h 08m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$758Lufthansa
Fri, Dec 4 - Fri, Dec 11
Multiple Airlines Logo
11:50 am - 8:15 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
15h 25m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
5:00 am - 5:40 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
17h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$781Multiple Airlines
Booking Insights

Price, demand and travel trends for Cincinnati to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Cincinnati to Porto?

Round-trip flights from Cincinnati to Porto typically range from $837 to $1,291. The lowest price found in the past 5 days was $710, on Iberia.

What's the cheapest day of the week to fly from Cincinnati to Porto?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Cincinnati to Porto. It’s 25% cheaper than the average day, while Saturday is the most expensive, with prices 25% higher.

Find deals

Key details for Cincinnati to Porto flights

Low season

January

Cheapest flight

$332
Beat the crowds with an average 93% drop in travelers.
The most popular month to fly with an average 53% increase in travelers.
One-way flight from Cincinnati to Porto

When to book flights from Cincinnati to Porto

Are your dates flexible? Find out the best times to travel from Cincinnati to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Cincinnati to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Cincinnati to Porto?

    Two cabin classes are available on flights from Cincinnati to Porto:

    • Economy Class
    • Premium Economy Class

  • How long is a flight from Cincinnati to Porto?

    A nonstop flight from Cincinnati to Porto takes 00m, covering 3,878 miles.

  • Do I need a passport to fly from Cincinnati to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Cincinnati to Porto flight?

    Round-trip flights from Cincinnati to Porto range from $837 to $1,291, with an average of $1,128 over the past 12 months. Anything below $837 counts as a good deal.

  • Have flight prices from Cincinnati to Porto changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $710 to $1,785. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Cincinnati to Porto looking right now?

    One-way fares from Cincinnati to Porto are currently lower than usual. Average one-way flight prices are about $382, which is 41% below the typical average for this route.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • Which airports can I use when flying from Cincinnati to Porto?

    Flights from Cincinnati to Porto usually depart from Cincinnati Cinci./N. Kentucky (CVG) and arrive at Porto (OPO).

  • Which airports do connecting flights from Cincinnati to Porto pass through?

    One-stop flights from Cincinnati to Porto most commonly connect through:

    • Paris Charles de Gaulle (CDG) - 35% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 32% of one-stop connections
    • Newark (EWR) - 19% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Cincinnati to Porto?

    Yes. Flexible dates can save you up to 40% on flights from Cincinnati to Porto. Tuesday is the cheapest departure day at $848 round-trip on average, while Saturday is the most expensive at $1,412, a difference of $564.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Cincinnati to Porto?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 11h 53m, compared with 12h 41m via Montreal Pierre Elliott Trudeau Intl (YUL) and 13h 44m via New York John F Kennedy Intl (JFK).

  • What is the time difference between Cincinnati and Porto?

    Porto is 5 hours ahead of Cincinnati (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

Your guide to booking Cincinnati to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $848, about $564 less than Saturday fares (40% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Cincinnati to Porto trip for November. Fares historically average $793 round-trip in that month - typically $555 less than the most expensive month, which is September (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

    • Opo Hotel Porto Aeroporto

More options for your flight from Cincinnati to Porto

Complete your trip to Porto with a hotel stay or car rental

Car rentals in Porto
Hotels in Porto
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