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Cheap flights from Kansas City to Porto from $469

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Porto departing on 9/12. 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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Find the cheapest flights from Kansas City to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 9:45 am
MCI
-
OPO
21h 45m
1 stop
United Airlines Logo
12:15 pm - 2:18 pm
OPO
-
MCI
32h 03m
2 stops
$818United Airlines
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
6:00 am - 7:00 am
MCI
-
OPO
19h 00m
2 stops
United Airlines Logo
12:15 pm - 4:10 pm
OPO
-
MCI
33h 55m
2 stops
$822United Airlines
Tue, Oct 6 - Tue, Oct 13
Delta Logo
3:36 pm - 3:25 pm
MCI
-
OPO
17h 49m
2 stops
Delta Logo
5:00 am - 7:09 pm
OPO
-
MCI
20h 09m
2 stops
$835Delta
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
6:00 am - 9:45 am
MCI
-
OPO
21h 45m
1 stop
United Airlines Logo
12:35 pm - 11:52 pm
OPO
-
MCI
17h 17m
1 stop
$839United Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
6:00 am - 9:45 am
MCI
-
OPO
21h 45m
1 stop
United Airlines Logo
11:50 am - 11:52 pm
OPO
-
MCI
42h 02m
2 stops
$878United Airlines
Fri, Oct 2 - Thu, Oct 8
United Airlines Logo
6:00 am - 9:45 am
MCI
-
OPO
21h 45m
2 stops
United Airlines Logo
11:50 am - 11:52 pm
OPO
-
MCI
42h 02m
2 stops
$883United Airlines
Fri, Oct 2 - Thu, Oct 8
United Airlines Logo
6:00 am - 9:45 am
MCI
-
OPO
21h 45m
1 stop
United Airlines Logo
12:20 pm - 10:51 am
OPO
-
MCI
28h 31m
2 stops
$908United Airlines
Sun, Sep 20 - Sat, Oct 3
United Airlines Logo
6:00 am - 6:55 am
MCI
-
OPO
18h 55m
2 stops
United Airlines Logo
12:20 pm - 10:51 am
OPO
-
MCI
28h 31m
2 stops
$912United Airlines
Sun, Sep 20 - Sat, Oct 3
United Airlines Logo
5:39 pm - 6:55 am
MCI
-
OPO
31h 16m
2 stops
United Airlines Logo
12:15 pm - 11:30 pm
OPO
-
MCI
41h 15m
2 stops
$929United Airlines
Sat, Aug 15 - Sun, Aug 23
United Airlines Logo
3:44 pm - 6:55 am
MCI
-
OPO
33h 11m
1 stop
United Airlines Logo
12:15 pm - 4:12 pm
OPO
-
MCI
33h 57m
2 stops
$931United Airlines
Sat, Aug 15 - Sun, Aug 23

Air Canada flights from Kansas City to Porto

Our best Air Canada deals on Kansas City to Porto flight tickets
Air Canada
Sep 20
MCI5:14 pmKansas City
31h 46m
2 stops
OPO7:00 amPorto
Oct 3
OPO11:55 amPorto
28h 56m
2 stops
MCI10:51 amKansas City
$917
Air Canada
Aug 28
MCI6:36 pmKansas City
30h 24m
2 stops
OPO7:00 amPorto
Sep 5
OPO12:10 pmPorto
32h 08m
2 stops
MCI2:18 pmKansas City
$1,025
Air Canada
Jul 22
MCI7:53 amKansas City
17h 07m
3 stops
OPO7:00 amPorto
Jul 29
OPO11:20 amPorto
17h 57m
3 stops
MCI11:17 pmKansas City
$1,084

Lufthansa flights from Kansas City to Porto

Our best Lufthansa deals on Kansas City to Porto flight tickets
Lufthansa
Oct 2
MCI6:00 amKansas City
21h 45m
1 stop
OPO9:45 amPorto
Oct 8
OPO12:35 pmPorto
17h 17m
1 stop
MCI11:52 pmKansas City
$949
Lufthansa
Oct 6
MCI6:00 amKansas City
21h 45m
1 stop
OPO9:45 amPorto
Oct 13
OPO12:35 pmPorto
17h 17m
1 stop
MCI11:52 pmKansas City
$962
Lufthansa
Aug 29
MCI6:36 pmKansas City
46h 49m
2 stops
OPO11:25 pmPorto
Sep 5
OPO6:20 amPorto
39h 52m
2 stops
MCI4:12 pmKansas City
$993

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City to Porto 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 May 23, 2026.
Use the filters below to find and compare flights from Kansas City to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 10/6

6:00 am-9:45 am

1 stop21h 45m

Porto

Tue 10/13

12:15 pm-2:18 pm

2 stops32h 03m

$818

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 10/6

6:00 am-7:00 am

2 stops19h 00m

Porto

Tue 10/13

12:15 pm-4:10 pm

2 stops33h 55m

$822
Quickest round-trip

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 10/7

3:36 pm-3:25 pm

2 stops17h 49m

Porto

Wed 10/14

5:00 am-7:09 pm

2 stops20h 09m

$835

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 10/7

6:00 am-9:45 am

1 stop21h 45m

Porto

Wed 10/14

12:35 pm-11:52 pm

1 stop17h 17m

$839

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Fri 10/2

6:00 am-9:45 am

1 stop21h 45m

Porto

Thu 10/8

11:50 am-11:52 pm

2 stops42h 02m

$878

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Fri 10/2

6:00 am-9:45 am

2 stops21h 45m

Porto

Thu 10/8

11:50 am-11:52 pm

2 stops42h 02m

$883

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 9/20

6:00 am-9:45 am

1 stop21h 45m

Porto

Sat 10/3

12:20 pm-10:51 am

2 stops28h 31m

$908

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 9/20

6:00 am-6:55 am

2 stops18h 55m

Porto

Sat 10/3

12:20 pm-10:51 am

2 stops28h 31m

$912

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sat 8/15

5:39 pm-6:55 am

2 stops31h 16m

Porto

Sun 8/23

12:15 pm-11:30 pm

2 stops41h 15m

$929

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sat 8/15

3:44 pm-6:55 am

1 stop33h 11m

Porto

Sun 8/23

12:15 pm-4:12 pm

2 stops33h 57m

$931

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Kansas City to Porto

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 typical price of a round-trip flight between Kansas City and Porto?

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Kansas City, with most prices found around $492. If you aren’t able to travel during the month of January, then book flights to Porto from Kansas City during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $567.

Can stopping save me money on Kansas City to Porto flights?

You could potentially save up to 15% on your flight if you consider stops on a Kansas City to Porto flight.

When to book flights from Kansas City to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to Porto (MCI to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to Porto

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Kansas City to Porto takes 19h 15m
There are no direct flights from Kansas City to Porto. There are no popular flight routes from Kansas City to Porto.
Search flight deals

Frequently asked questions about flying from Kansas City to Porto

  • How far is Kansas City to Porto by plane?

    Porto is 4340.1 mi away from Kansas City. A reasonable flight in good conditions will take 19h 15m.

  • When did momondo last update prices for flights from Kansas City Airport to Porto Airport?

    Prices for flights from Kansas City Airport to Porto Airport were last updated today.

  • How many operators does momondo search for flights from Kansas City Airport to Porto Airport?

  • How old do you have to be to fly from Kansas City Airport to Porto Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kansas City to Porto?

Best airlines flying from Kansas City to Porto

Compare and see reviews for airlines that fly from Kansas City to Porto with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $546Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Lamego
Chaves
Esposende
Pinhao
Espinho
Guimarães
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Mesao Frio
Mira
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to Porto?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Kansas City.

Can I find flights from Kansas City to Porto with flexible booking policies on momondo?

Flights from Kansas City to Porto 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 Kansas City to Porto?

Once all potential Kansas City to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Kansas City to Porto right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Kansas City to Porto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto and let you know when they change.

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