What is the cheapest airline that flies from Kansas City to Porto?

Delta and Air France are the most popular carriers operating from Kansas City to Porto

What airlines fly to Porto?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Porto from Kansas City according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 3 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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?

There are 3 operators available for flights from Kansas City Airport to Porto Airport as of October 2026.

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.

$412 Cheap Flights from Kansas City to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to Porto

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:20 pm - 9:30 amMCI Kansas City-OPO Porto

12h 10m1 stop Newark

6:00 am - 7:32 pmOPO Porto-MCI Kansas City

19h 32m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$711United Airlines

Tue, Mar 2 - Tue, Mar 9

8:30 am - 9:30 amMCI Kansas City-OPO Porto

19h 00m2 stops Houston George Bush Intcntl Newark

6:00 am - 7:32 pmOPO Porto-MCI Kansas City

19h 32m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$715United Airlines

Tue, Mar 2 - Tue, Mar 9

8:00 am - 10:35 amMCI Kansas City-OPO Porto

20h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 11:58 pmOPO Porto-MCI Kansas City

24h 58m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$716Delta

Tue, Feb 2 - Tue, Mar 2

3:20 pm - 9:30 amMCI Kansas City-OPO Porto

12h 10m1 stop Newark

12:35 pm - 8:30 pmOPO Porto-MCI Kansas City

13h 55m1 stop Newark

$721United Airlines

Tue, Mar 2 - Tue, Mar 9

6:10 am - 9:30 amMCI Kansas City-OPO Porto

21h 20m1 stop Newark

6:00 am - 8:58 amOPO Porto-MCI Kansas City

32h 58m2 stops Frankfurt am Main Chicago O'Hare Intl

$754United Airlines

Tue, Nov 10 - Fri, Nov 20

9:00 am - 8:15 amMCI Kansas City-OPO Porto

17h 15m1 stop New York John F Kennedy Intl

5:00 am - 11:58 pmOPO Porto-MCI Kansas City

24h 58m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$811Delta

Sun, Jan 3 - Sun, Jan 17

6:30 am - 10:35 amMCI Kansas City-OPO Porto

22h 05m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 9:18 pmOPO Porto-MCI Kansas City

22h 18m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$814Delta

Sun, Jan 3 - Sun, Jan 17

12:20 pm - 10:25 pmMCI Kansas City-OPO Porto

28h 05m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

12:35 pm - 5:00 pmOPO Porto-MCI Kansas City

34h 25m1 stop Newark

$856Lufthansa

Tue, Feb 2 - Tue, Mar 2

11:40 am - 8:15 amMCI Kansas City-OPO Porto

14h 35m1 stop New York John F Kennedy Intl

11:15 am - 11:58 pmOPO Porto-MCI Kansas City

18h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$876KLM

Sun, Dec 13 - Mon, Jan 11

6:45 pm - 3:20 pmMCI Kansas City-OPO Porto

38h 35m2 stops Chicago O'Hare Intl Frankfurt am Main

12:05 pm - 9:51 pmOPO Porto-MCI Kansas City

39h 46m2 stops Zurich Chicago O'Hare Intl

$878Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

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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

Mar 2

MCI3:20 pmKansas City

12h 10m

1 stop

OPO9:30 amPorto

Mar 9

OPO6:00 amPorto

19h 32m

2 stops

MCI7:32 pmKansas City

$711

United Airlines

Mar 2

MCI8:30 amKansas City

19h 00m

2 stops

OPO9:30 amPorto

Mar 9

OPO6:00 amPorto

19h 32m

2 stops

MCI7:32 pmKansas City

$715

United Airlines

Mar 2

MCI3:20 pmKansas City

12h 10m

1 stop

OPO9:30 amPorto

Mar 9

OPO12:35 pmPorto

13h 55m

1 stop

MCI8:30 pmKansas City

$721

Delta flights from Kansas City to Porto

Our best Delta deals on Kansas City to Porto flight tickets

Delta

Feb 2

MCI8:00 amKansas City

20h 35m

2 stops

OPO10:35 amPorto

Mar 2

OPO5:00 amPorto

24h 58m

2 stops

MCI11:58 pmKansas City

$716

Delta

Jan 3

MCI9:00 amKansas City

17h 15m

1 stop

OPO8:15 amPorto

Jan 17

OPO5:00 amPorto

24h 58m

2 stops

MCI11:58 pmKansas City

$811

Delta

Jan 3

MCI6:30 amKansas City

22h 05m

2 stops

OPO10:35 amPorto

Jan 17

OPO5:00 amPorto

22h 18m

2 stops

MCI9:18 pmKansas City

$814

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Tue 3/2

3:20 pm-9:30 am

1 stop12h 10m

Porto

Tue 3/9

6:00 am-7:32 pm

2 stops19h 32m

$711

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Tue 3/2

8:30 am-9:30 am

2 stops19h 00m

Porto

Tue 3/9

6:00 am-7:32 pm

2 stops19h 32m

$715

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Tue 2/2

8:00 am-10:35 am

2 stops20h 35m

Porto

Tue 3/2

5:00 am-11:58 pm

2 stops24h 58m

$716

Quickest round-trip

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Tue 3/2

3:20 pm-9:30 am

1 stop12h 10m

Porto

Tue 3/9

12:35 pm-8:30 pm

1 stop13h 55m

$721

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Tue 11/10

6:10 am-9:30 am

1 stop21h 20m

Porto

Fri 11/20

6:00 am-8:58 am

2 stops32h 58m

$754

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Sun 1/3

9:00 am-8:15 am

1 stop17h 15m

Porto

Sun 1/17

5:00 am-11:58 pm

2 stops24h 58m

$811

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Sun 1/3

6:30 am-10:35 am

2 stops22h 05m

Porto

Sun 1/17

5:00 am-9:18 pm

2 stops22h 18m

$814

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Tue 2/2

12:20 pm-10:25 pm

2 stops28h 05m

Porto

Tue 3/2

12:35 pm-5:00 pm

1 stop34h 25m

$856

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Sun 12/13

11:40 am-8:15 am

1 stop14h 35m

Porto

Mon 1/11

11:15 am-11:58 pm

2 stops18h 43m

$876

Kansas CityPorto

MCI Kansas City - OPO Porto

MCIOPO

Kansas City

Sat 11/7

6:45 pm-3:20 pm

2 stops38h 35m

Porto

Sat 11/14

12:05 pm-9:51 pm

2 stops39h 46m

$878

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,088 to $1,184.
The lowest price recently found on this route was $711.

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Kansas City, with most prices found around $491. If you aren’t able to travel during the month of February, then book flights to Porto from Kansas City during January instead. Flights to Porto in January, while not as cheap as those in February, still average around $492.

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

You could potentially save up to 1% 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

Best Price Found	$412
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to Porto from Kansas City in the past 72 hours is $412. The best round-trip flight deal from Kansas City to Porto found on momondo in the last 72 hours is $711.

The fastest flight from Kansas City to Porto takes 12h 10m

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 12h 10m.
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?
There are 3 operators available for flights from Kansas City Airport to Porto Airport as of October 2026.
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?
Based on momondo bookings for flights between Kansas City and Porto, the leading airline is United Airlines, making up 48% of the total bookings. Other popular airlines include Delta with 31% and American Airlines with 21%.

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
Delta	PriceFrom $492	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
American Airlines	PriceFrom $546	Free Cancellation	Rating 7.0 12,165 reviews	Search American Airlines flights
United Airlines	PriceFrom $732	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights

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Aveiro

Pinhao

Matosinhos

Esposende

Chaves

Viseu

Espinho

Arcos de Valdevez

Guimarães

Lamego

Ponte de Lima

Caminha

Penafiel

Mira

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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Cheap flights from Kansas City to Porto from $412

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Kansas City to Porto

Our best United Airlines deals on Kansas City to Porto flight tickets

Delta flights from Kansas City to Porto

Our best Delta deals on Kansas City to Porto flight tickets

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

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

What is the cheapest month to fly to Porto?

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

What is the cheapest airline that flies from Kansas City to Porto?

What airlines fly to Porto?

When to book flights from Kansas City to Porto

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Porto?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

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List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

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