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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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 9:30 am
MCI
-
OPO
21h 00m
1 stop
Multiple Airlines Logo
6:00 am - 9:51 pm
OPO
-
MCI
21h 51m
2 stops
$717Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
7:36 am - 9:30 am
MCI
-
OPO
19h 54m
2 stops
United Airlines Logo
12:35 pm - 9:10 am
OPO
-
MCI
26h 35m
2 stops
$721United Airlines
Wed, Nov 4 - Wed, Nov 11
Delta Logo
10:35 am - 10:35 am
MCI
-
OPO
18h 00m
2 stops
Delta Logo
5:00 am - 6:46 pm
OPO
-
MCI
19h 46m
2 stops
$722Delta
Sun, Nov 1 - Tue, Nov 10
United Airlines Logo
3:25 pm - 9:30 am
MCI
-
OPO
12h 05m
1 stop
United Airlines Logo
12:35 pm - 8:39 pm
OPO
-
MCI
14h 04m
1 stop
$726United Airlines
Tue, Nov 10 - Thu, Nov 12
United Airlines Logo
1:04 pm - 9:30 am
MCI
-
OPO
14h 26m
2 stops
United Airlines Logo
12:35 pm - 11:38 pm
OPO
-
MCI
17h 03m
2 stops
$731United Airlines
Tue, Nov 10 - Thu, Nov 12
United Airlines Logo
11:44 am - 9:30 am
MCI
-
OPO
39h 46m
2 stops
United Airlines Logo
12:35 pm - 8:39 pm
OPO
-
MCI
14h 04m
1 stop
$741United Airlines
Sun, Nov 1 - Tue, Nov 10
Multiple Airlines Logo
6:00 am - 7:00 am
MCI
-
OPO
19h 00m
2 stops
Multiple Airlines Logo
4:35 pm - 10:04 pm
OPO
-
MCI
35h 29m
2 stops
$899Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
United Airlines Logo
5:39 pm - 6:55 am
MCI
-
OPO
31h 16m
2 stops
United Airlines Logo
12:15 pm - 7:32 pm
OPO
-
MCI
37h 17m
2 stops
$918United Airlines
Sat, Sep 12 - Tue, Sep 22
United Airlines Logo
3:44 pm - 6:55 am
MCI
-
OPO
33h 11m
1 stop
United Airlines Logo
12:15 pm - 2:18 pm
OPO
-
MCI
32h 03m
2 stops
$920United Airlines
Sat, Sep 12 - Tue, Sep 22
Delta Logo
12:20 pm - 10:30 am
MCI
-
OPO
16h 10m
1 stop
Delta Logo
5:00 am - 5:32 pm
OPO
-
MCI
18h 32m
2 stops
$936Delta
Mon, Oct 5 - Mon, Oct 12

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United Airlines flights from Kansas City to Porto

Our best United Airlines deals on Kansas City to Porto flight tickets
United Airlines
Nov 4
MCI7:36 amKansas City
19h 54m
2 stops
OPO9:30 amPorto
Nov 11
OPO12:35 pmPorto
26h 35m
2 stops
MCI9:10 amKansas City
$721
United Airlines
Nov 10
MCI3:25 pmKansas City
12h 05m
1 stop
OPO9:30 amPorto
Nov 12
OPO12:35 pmPorto
14h 04m
1 stop
MCI8:39 pmKansas City
$726
United Airlines
Nov 10
MCI1:04 pmKansas City
14h 26m
2 stops
OPO9:30 amPorto
Nov 12
OPO12:35 pmPorto
17h 03m
2 stops
MCI11:38 pmKansas City
$731

Air Canada flights from Kansas City to Porto

Our best Air Canada deals on Kansas City to Porto flight tickets
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
$1,545
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
$1,755
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
$1,837

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 July 10, 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

Wed 11/4

6:30 am-9:30 am

1 stop21h 00m

Porto

Wed 11/11

6:00 am-9:51 pm

2 stops21h 51m

$717

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 11/4

7:36 am-9:30 am

2 stops19h 54m

Porto

Wed 11/11

12:35 pm-9:10 am

2 stops26h 35m

$721

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 11/1

10:35 am-10:35 am

2 stops18h 00m

Porto

Tue 11/10

5:00 am-6:46 pm

2 stops19h 46m

$722
Quickest round-trip

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 11/10

3:25 pm-9:30 am

1 stop12h 05m

Porto

Thu 11/12

12:35 pm-8:39 pm

1 stop14h 04m

$726

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 11/10

1:04 pm-9:30 am

2 stops14h 26m

Porto

Thu 11/12

12:35 pm-11:38 pm

2 stops17h 03m

$731

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 11/1

11:44 am-9:30 am

2 stops39h 46m

Porto

Tue 11/10

12:35 pm-8:39 pm

1 stop14h 04m

$741

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 10/5

6:00 am-7:00 am

2 stops19h 00m

Porto

Mon 10/12

4:35 pm-10:04 pm

2 stops35h 29m

$899

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sat 9/12

5:39 pm-6:55 am

2 stops31h 16m

Porto

Tue 9/22

12:15 pm-7:32 pm

2 stops37h 17m

$918

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sat 9/12

3:44 pm-6:55 am

1 stop33h 11m

Porto

Tue 9/22

12:15 pm-2:18 pm

2 stops32h 03m

$920

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 10/5

12:20 pm-10:30 am

1 stop16h 10m

Porto

Mon 10/12

5:00 am-5:32 pm

2 stops18h 32m

$936

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 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 March instead. Flights to Porto in March, while not as cheap as those in January, still average around $630.

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

You could potentially save up to 23% 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

15h 45m

Direct flights

None
The fastest flight from Kansas City to Porto takes 15h 45m
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 15h 45m.

  • 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
United AirlinesPriceFrom $642Free CancellationRating
7.4
9,967 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
Esposende
Lamego
Chaves
Pinhao
Arcos de Valdevez
Guimarães
Espinho
Ponte de Lima
Viseu
Curia
Mesao Frio
Penafiel
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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