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$483+ Cheap flights from Kansas City (MCI) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — OPO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Kansas City to Porto

Best flights from Kansas City to Porto
Discover carefully curated flight deals from Kansas City to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1711:29 amMCI - OPO
2 stops18h 11mLufthansa
Sat 1/246:00 amOPO - MCI
2 stops21h 59mLufthansa
Deal found 12/11$490
This Delta deal was found by Cheapflights users on 12/10. 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.
Thu 2/59:57 amMCI - OPO
2 stops18h 28mDelta
Sun 2/85:00 amOPO - MCI
2 stops24h 27mDelta
Deal found 12/10$492
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2412:18 pmMCI - OPO
2 stops16h 12mKLM
Sat 1/319:25 amOPO - MCI
2 stops17h 38mKLM
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 2/310:42 amMCI - OPO
2 stops17h 48mDelta
Sun 2/85:00 amOPO - MCI
2 stops22h 03mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Wed 2/48:05 amMCI - OPO
2 stops20h 25mDelta
Sun 2/85:00 amOPO - MCI
2 stops22h 03mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Sat 2/71:22 pmMCI - OPO
2 stops15h 08mDelta
Fri 2/1311:15 amOPO - MCI
2 stops35h 42mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Thu 2/59:57 amMCI - OPO
2 stops18h 28mDelta
Sat 2/145:00 amOPO - MCI
2 stops24h 26mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 2/310:44 amMCI - OPO
2 stops17h 46mDelta
Fri 2/1311:15 amOPO - MCI
2 stops35h 42mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Wed 2/49:57 amMCI - OPO
2 stops18h 33mDelta
Mon 2/95:00 amOPO - MCI
2 stops24h 27mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 2/310:44 amMCI - OPO
2 stops17h 46mDelta
Sat 2/145:00 amOPO - MCI
2 stops24h 26mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Sat 2/71:22 pmMCI - OPO
2 stops15h 08mDelta
Sat 2/145:00 amOPO - MCI
2 stops24h 26mDelta
Deal found 12/10$492
This Delta deal was found by Cheapflights users on 12/10. 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.
Wed 2/47:00 amMCI - OPO
2 stops21h 30mDelta
Sat 2/145:00 amOPO - MCI
2 stops22h 04mDelta
Deal found 12/10$492

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$483
(Rumbo)

Popular in

July

Cheapest in

February

Average price

$798
Provider with most accurate pricing for Kansas City-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Porto flights.
Search Deals
From Kansas City to Porto
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Sat 1/17

11:29 am-11:40 am

2 stops18h 11m

Porto

Sat 1/24

6:00 am-9:59 pm

2 stops21h 59m

$490

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Thu 2/5

9:57 am-10:25 am

2 stops18h 28m

Porto

Sun 2/8

5:00 am-11:27 pm

2 stops24h 27m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sat 1/24

12:18 pm-10:30 am

2 stops16h 12m

Porto

Sat 1/31

9:25 am-9:03 pm

2 stops17h 38m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 2/3

10:42 am-10:30 am

2 stops17h 48m

Porto

Sun 2/8

5:00 am-9:03 pm

2 stops22h 03m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 2/4

8:05 am-10:30 am

2 stops20h 25m

Porto

Sun 2/8

5:00 am-9:03 pm

2 stops22h 03m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sat 2/7

1:22 pm-10:30 am

2 stops15h 08m

Porto

Fri 2/13

11:15 am-4:57 pm

2 stops35h 42m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Thu 2/5

9:57 am-10:25 am

2 stops18h 28m

Porto

Sat 2/14

5:00 am-11:26 pm

2 stops24h 26m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 2/3

10:44 am-10:30 am

2 stops17h 46m

Porto

Fri 2/13

11:15 am-4:57 pm

2 stops35h 42m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 2/4

9:57 am-10:30 am

2 stops18h 33m

Porto

Mon 2/9

5:00 am-11:27 pm

2 stops24h 27m

$492

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 2/3

10:44 am-10:30 am

2 stops17h 46m

Porto

Sat 2/14

5:00 am-11:26 pm

2 stops24h 26m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
1
2

Compare providers for flights from Kansas City to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to Porto in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kansas City-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kansas City-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-Porto flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 December 12, 2025.
Read reviews from past customers who have flown United Airlines 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.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from Kansas City to Porto?

    Departing from Kansas City to Porto will take you 18h 11m. There are 4333 mi between Kansas City and Porto. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Kansas City to Porto round-trip?

    Cheapflights users have booked flights from Kansas City to Porto round-trip from $564. You may be able to fly from Kansas City to Porto for 38% less than the average price by searching for this airline.

  • 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.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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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 airline flying from Kansas City to Porto

Discover the top airline 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$564Average$1,036FlexibilityNo cancel feeOn-time69%

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