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Cheap flights from Kansas City to Porto from $390

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 8/16. 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
3:46 pm - 9:45 am
MCI
-
OPO
11h 59m
1 stop
United Airlines Logo
11:50 am - 9:40 pm
OPO
-
MCI
39h 50m
2 stops
$818United Airlines
dom, ago 16 - qui, ago 20
United Airlines Logo
7:55 pm - 7:00 am
MCI
-
OPO
29h 05m
2 stops
United Airlines Logo
11:50 am - 9:40 pm
OPO
-
MCI
39h 50m
2 stops
$822United Airlines
dom, ago 16 - qui, ago 20
Multiple Airlines Logo
5:45 pm - 11:25 pm
MCI
-
OPO
23h 40m
2 stops
Multiple Airlines Logo
7:20 pm - 9:59 pm
OPO
-
MCI
32h 39m
2 stops
$877Multiple Airlines
qua, abr 15 - seg, abr 20
United Airlines Logo
3:46 pm - 9:45 am
MCI
-
OPO
11h 59m
1 stop
United Airlines Logo
6:00 am - 9:34 pm
OPO
-
MCI
21h 34m
2 stops
$908United Airlines
dom, set 6 - qua, nov 4
Delta Logo
9:59 am - 10:30 am
MCI
-
OPO
18h 31m
1 stop
Delta Logo
5:00 am - 6:46 pm
OPO
-
MCI
19h 46m
2 stops
$910Delta
seg, ago 31 - qua, nov 4
United Airlines Logo
6:00 am - 7:00 am
MCI
-
OPO
19h 00m
2 stops
United Airlines Logo
6:00 am - 9:34 pm
OPO
-
MCI
21h 34m
2 stops
$912United Airlines
seg, ago 31 - ter, nov 3
United Airlines Logo
6:00 am - 6:55 am
MCI
-
OPO
18h 55m
2 stops
United Airlines Logo
12:30 pm - 8:51 am
OPO
-
MCI
26h 21m
2 stops
$913United Airlines
qua, set 2 - qui, nov 5
Lufthansa Logo
5:45 pm - 11:25 pm
MCI
-
OPO
23h 40m
2 stops
Lufthansa Logo
6:20 am - 11:31 pm
OPO
-
MCI
23h 11m
2 stops
$927Lufthansa
sex, abr 24 - ter, mai 5
Delta Logo
9:59 am - 10:30 am
MCI
-
OPO
18h 31m
1 stop
Delta Logo
11:25 am - 6:46 pm
OPO
-
MCI
37h 21m
2 stops
$930Delta
seg, ago 31 - seg, nov 2
Lufthansa Logo
12:40 pm - 11:25 pm
MCI
-
OPO
28h 45m
2 stops
Lufthansa Logo
4:35 pm - 5:38 pm
OPO
-
MCI
55h 03m
2 stops
$951Lufthansa
dom, abr 12 - sáb, abr 18

Delta flights from Kansas City to Porto

Our best Delta deals on Kansas City to Porto flight tickets
Delta
Apr 7
MCI5:42 pmKansas City
22h 23m
2 stops
OPO10:05 pmPorto
Apr 17
OPO5:00 amPorto
18h 00m
2 stops
MCI5:00 pmKansas City
$873
Delta
Aug 31
MCI9:59 amKansas City
18h 31m
1 stop
OPO10:30 amPorto
Nov 3
OPO5:00 amPorto
23h 25m
2 stops
MCI10:25 pmKansas City
$910
Delta
Apr 7
MCI5:40 pmKansas City
15h 50m
2 stops
OPO3:30 pmPorto
Apr 19
OPO5:00 amPorto
24h 01m
2 stops
MCI11:01 pmKansas City
$927

United Airlines flights from Kansas City to Porto

Our best United Airlines deals on Kansas City to Porto flight tickets
United Airlines
Aug 16
MCI3:46 pmKansas City
11h 59m
1 stop
OPO9:45 amPorto
Aug 20
OPO11:50 amPorto
39h 50m
2 stops
MCI9:40 pmKansas City
$818
United Airlines
Aug 16
MCI7:55 pmKansas City
29h 05m
2 stops
OPO7:00 amPorto
Aug 20
OPO11:50 amPorto
39h 50m
2 stops
MCI9:40 pmKansas City
$822
United Airlines
Apr 9
MCI6:05 amKansas City
21h 40m
1 stop
OPO9:45 amPorto
Apr 23
OPO6:00 amPorto
19h 45m
2 stops
MCI7:45 pmKansas City
$907

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 abril 2, 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

dom 8/16

3:46 pm-9:45 am

1 stop11h 59m

Porto

qui 8/20

11:50 am-9:40 pm

2 stops39h 50m

$818

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

dom 8/16

7:55 pm-7:00 am

2 stops29h 05m

Porto

qui 8/20

11:50 am-9:40 pm

2 stops39h 50m

$822

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

qua 4/15

5:45 pm-11:25 pm

2 stops23h 40m

Porto

seg 4/20

7:20 pm-9:59 pm

2 stops32h 39m

$877
Quickest round-trip

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

dom 9/6

3:46 pm-9:45 am

1 stop11h 59m

Porto

qua 11/4

6:00 am-9:34 pm

2 stops21h 34m

$908

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

seg 8/31

9:59 am-10:30 am

1 stop18h 31m

Porto

qua 11/4

5:00 am-6:46 pm

2 stops19h 46m

$910

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

seg 8/31

6:00 am-7:00 am

2 stops19h 00m

Porto

ter 11/3

6:00 am-9:34 pm

2 stops21h 34m

$912

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

qua 9/2

6:00 am-6:55 am

2 stops18h 55m

Porto

qui 11/5

12:30 pm-8:51 am

2 stops26h 21m

$913

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

sex 4/24

5:45 pm-11:25 pm

2 stops23h 40m

Porto

ter 5/5

6:20 am-11:31 pm

2 stops23h 11m

$927

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

seg 8/31

9:59 am-10:30 am

1 stop18h 31m

Porto

seg 11/2

11:25 am-6:46 pm

2 stops37h 21m

$930

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

dom 4/12

12:40 pm-11:25 pm

2 stops28h 45m

Porto

sáb 4/18

4:35 pm-5:38 pm

2 stops55h 03m

$951

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 32% 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

16h 04m

Direct flights

None
The fastest flight from Kansas City to Porto takes 16h 04m
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 16h 04m.

  • 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
11,544 reviews
Search American Airlines flights
United AirlinesPriceFrom $564Free CancellationRating
7.4
9,529 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
Aveiro
Braga
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Penafiel
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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