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$298+ Cheap flights from Kansas City (MCI) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — OPO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Kansas City to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$741
(Mytrip)

One-way from

$298
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,282
From Kansas City to Porto
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One-way flight from Kansas City to Porto
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Highest demand for flights based on searches. 21% potential increase in price ($243 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Kansas City to Porto

Cheapest flights from Kansas City to Porto
Explore the most affordable flight options available from Kansas City to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:36 amMCI - OPO
2 stops15h 54mUnited Airlines
Wed 12/36:00 amOPO - MCI
2 stops21h 58mUnited Airlines
Deal found 7/28$590
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:15 amMCI - OPO
3 stops31h 40mMultiple Airlines
Wed 9/176:55 amOPO - MCI
2 stops22h 12mMultiple Airlines
Deal found 7/28$741
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:29 pmMCI - OPO
2 stops32h 51mAir Canada
Thu 8/2812:10 pmOPO - MCI
2 stops33h 59mAir Canada
Deal found 7/29$744
This Orbitz deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:04 pmMCI - OPO
2 stops37h 36mIberia
Tue 9/308:35 pmOPO - MCI
2 stops54h 29mIberia
Deal found 7/28$791
This Gurufare deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:00 pmMCI - OPO
1 stop10h 30mLufthansa
Thu 11/2012:35 pmOPO - MCI
1 stop14h 35mLufthansa
Deal found 7/27$870
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:51 pmMCI - OPO
2 stops15h 39mDelta
Sun 10/196:35 amOPO - MCI
2 stops21h 52mDelta
Deal found 7/28$1,052

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Kansas City to Porto that are best for you.

Fly from

Kansas City

Fly to

Porto

Route

Depart

Return

Price

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 9/9

5:15 am-6:55 pm

3 stops31h 40m

Porto

Wed 9/17

6:55 am-11:07 pm

2 stops22h 12m

$741

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 8/19

6:29 pm-9:20 am

2 stops32h 51m

Porto

Thu 8/28

12:10 pm-4:09 pm

2 stops33h 59m

$744

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 9/22

6:00 am-9:35 am

2 stops21h 35m

Porto

Thu 10/2

12:10 pm-9:09 am

2 stops26h 59m

$750

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sat 9/20

4:04 pm-11:40 am

2 stops37h 36m

Porto

Tue 9/30

8:35 pm-9:04 pm

2 stops54h 29m

$791

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 9/9

6:29 pm-11:20 pm

2 stops22h 51m

Porto

Mon 9/15

12:10 pm-9:42 pm

2 stops39h 32m

$982

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Fri 10/10

5:51 pm-3:30 pm

2 stops15h 39m

Porto

Sun 10/19

6:35 am-10:27 pm

2 stops21h 52m

$1,052

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 10/20

5:15 am-9:50 am

3 stops46h 35m

$298

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 10/20

3:57 pm-9:45 am

1 stop11h 48m

$443

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 10/20

3:23 pm-3:00 pm

3 stops17h 37m

$572

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 9/9

6:00 am-8:00 am

2 stops20h 00m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 11 results
1
2

Best time to book a flight from Kansas City to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Kansas City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kansas City to Porto

What is the cheapest month to book a flight from Kansas City to Porto?

Currently, January is the cheapest month in which you can book a flight from Kansas City to Porto (average of $523). Flying from Kansas City to Porto in June is currently the most expensive (average of $1,033). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MCI to OPO?

Find hourly flight availability from Kansas City to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 14% on flights from Kansas City to Porto by exploring options for tickets at noon.

How much does it cost to fly round-trip from Kansas City to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Air Canada from Kansas City to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,826 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
TAP AIR PORTUGAL
7.1
Good
1,929 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,859 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Kansas City to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Kansas City to Porto round-trip?

    Cheapflights users have booked flights from Kansas City to Porto round-trip from $744. Other airlines that can offer you cheap pricing are United Airlines, from $750, and Iberia, from $791. You may be able to fly from Kansas City to Porto for 16% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kansas City to Porto one-way?

    $443 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and TAP AIR PORTUGAL, with prices starting from $572 and $815, respectively.

  • Can I find deals for flights from Kansas City to Porto that include hotel bookings?

    Yes. In addition to deals on Kansas City to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Porto.

  • Can I find deals for business class flights from Kansas City to Porto?

    Yes. Cheapflights offers flight deals from Kansas City to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to Porto?

    Currently, January is the cheapest month in which you can book a flight from Kansas City to Porto (average of $523). Flying from Kansas City to Porto in June is currently the most expensive (average of $1,033). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kansas City to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kansas City to Porto

Discover the top 2 airlines that operate flights from Kansas City to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$564Average$710FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$564Average$1,036FlexibilityNo cancel feeOn-time69%

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