Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Kansas City to Porto from $441

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 5/14. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Kansas City to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:33 pm - 7:30 pm
MCI
-
OPO
42h 57m
2 stops
British Airways Logo
8:20 am - 8:54 am
OPO
-
MCI
30h 34m
2 stops
$557British Airways
Mon, Apr 6 - Tue, Apr 21
Multiple Airlines Logo
2:15 pm - 10:30 am
MCI
-
OPO
15h 15m
2 stops
Multiple Airlines Logo
5:00 am - 4:55 pm
OPO
-
MCI
17h 55m
2 stops
$573Multiple Airlines
Mon, Mar 23 - Wed, Apr 8
United Airlines Logo
1:15 pm - 9:30 am
MCI
-
OPO
15h 15m
2 stops
United Airlines Logo
12:35 pm - 10:30 pm
OPO
-
MCI
15h 55m
1 stop
$576United Airlines
Mon, Mar 23 - Wed, Apr 8
United Airlines Logo
8:00 am - 3:40 pm
MCI
-
OPO
25h 40m
2 stops
United Airlines Logo
12:10 pm - 3:55 pm
OPO
-
MCI
33h 45m
2 stops
$594United Airlines
Mon, Mar 30 - Thu, Apr 23
SWISS Logo
3:25 pm - 7:55 am
MCI
-
OPO
34h 30m
2 stops
SWISS Logo
8:40 am - 9:59 pm
OPO
-
MCI
19h 19m
2 stops
$634SWISS
Mon, Mar 30 - Thu, Apr 23
American Airlines Logo
9:17 am - 11:45 am
MCI
-
OPO
20h 28m
2 stops
American Airlines Logo
8:20 am - 11:59 pm
OPO
-
MCI
21h 39m
2 stops
$635American Airlines
Mon, Mar 30 - Thu, Apr 23
Iberia Logo
6:06 pm - 7:40 am
MCI
-
OPO
55h 34m
2 stops
Iberia Logo
8:40 pm - 10:01 pm
OPO
-
MCI
31h 21m
2 stops
$662Iberia
Fri, May 1 - Fri, May 8
Lufthansa Logo
5:45 pm - 11:25 pm
MCI
-
OPO
23h 40m
2 stops
Lufthansa Logo
12:35 pm - 10:30 pm
OPO
-
MCI
15h 55m
1 stop
$665Lufthansa
Mon, Mar 30 - Thu, Apr 23
United Airlines Logo
8:00 am - 9:30 am
MCI
-
OPO
19h 30m
2 stops
United Airlines Logo
6:00 am - 9:59 pm
OPO
-
MCI
21h 59m
2 stops
$673United Airlines
Wed, Feb 25 - Sun, Mar 1
Delta Logo
4:48 pm - 3:25 pm
MCI
-
OPO
17h 37m
2 stops
Delta Logo
6:30 am - 8:50 pm
OPO
-
MCI
20h 20m
2 stops
$681Delta
Tue, Mar 24 - Mon, Mar 30

KLM flights from Kansas City to Porto

Our best KLM deals on Kansas City to Porto flight tickets
KLM
Jul 6
MCI9:59 amKansas City
18h 31m
1 stop
OPO10:30 amPorto
Jul 27
OPO12:25 pmPorto
12h 48m
1 stop
MCI7:13 pmKansas City
$1,759
KLM
Jun 8
MCI9:59 amKansas City
18h 31m
1 stop
OPO10:30 amPorto
Jun 13
OPO12:25 pmPorto
12h 48m
1 stop
MCI7:13 pmKansas City
$1,878

Delta flights from Kansas City to Porto

Our best Delta deals on Kansas City to Porto flight tickets
Delta
Mar 10
MCI2:15 pmKansas City
20h 10m
2 stops
OPO3:25 pmPorto
Mar 17
OPO5:00 amPorto
19h 19m
2 stops
MCI7:19 pmKansas City
$575
Delta
Mar 24
MCI4:48 pmKansas City
17h 37m
2 stops
OPO3:25 pmPorto
Mar 30
OPO6:30 amPorto
20h 20m
2 stops
MCI8:50 pmKansas City
$681
Delta
Mar 10
MCI2:15 pmKansas City
20h 10m
2 stops
OPO3:25 pmPorto
Mar 17
OPO5:00 amPorto
17h 34m
2 stops
MCI5:34 pmKansas City
$682

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 February 12, 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

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 4/6

6:33 pm-7:30 pm

2 stops42h 57m

Porto

Tue 4/21

8:20 am-8:54 am

2 stops30h 34m

$557

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 3/23

2:15 pm-10:30 am

2 stops15h 15m

Porto

Wed 4/8

5:00 am-4:55 pm

2 stops17h 55m

$573

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 3/23

1:15 pm-9:30 am

2 stops15h 15m

Porto

Wed 4/8

12:35 pm-10:30 pm

1 stop15h 55m

$576

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 3/30

8:00 am-3:40 pm

2 stops25h 40m

Porto

Thu 4/23

12:10 pm-3:55 pm

2 stops33h 45m

$594

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 3/30

3:25 pm-7:55 am

2 stops34h 30m

Porto

Thu 4/23

8:40 am-9:59 pm

2 stops19h 19m

$634

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 3/30

9:17 am-11:45 am

2 stops20h 28m

Porto

Thu 4/23

8:20 am-11:59 pm

2 stops21h 39m

$635

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Fri 5/1

6:06 pm-7:40 am

2 stops55h 34m

Porto

Fri 5/8

8:40 pm-10:01 pm

2 stops31h 21m

$662

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 3/30

5:45 pm-11:25 pm

2 stops23h 40m

Porto

Thu 4/23

12:35 pm-10:30 pm

1 stop15h 55m

$665

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 2/25

8:00 am-9:30 am

2 stops19h 30m

Porto

Sun 3/1

6:00 am-9:59 pm

2 stops21h 59m

$673

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 3/24

4:48 pm-3:25 pm

2 stops17h 37m

Porto

Mon 3/30

6:30 am-8:50 pm

2 stops20h 20m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March instead. Flights to Porto in March, while not as cheap as those in January, still average around $582.

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

You could potentially save up to 34% 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 15m

Direct flights

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

  • 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 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
DeltaPriceFrom $492Free CancellationRating
7.9
8,179 reviews
Search Delta flights
American AirlinesPriceFrom $546Free CancellationRating
7.2
11,267 reviews
Search American Airlines flights
United AirlinesPriceFrom $564Free CancellationRating
7.4
9,276 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
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
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.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 3/14
Sat 3/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal