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$631+ Cheap flights from Porto (OPO) to Kansas City (MCI)

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.
OPO — MCI
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
1 adult, Economy
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Cheap flight deals from Porto to Kansas City

Cheapest flights from Porto to Kansas City
Explore the most affordable flight options available from Porto to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
OPO
-
MCI
2 stops22h 35m
United Airlines
Sat 12/123:55 pm
MCI
-
OPO
1 stop11h 35m
United Airlines
Deal found 6/10$1,189
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:25 pm
OPO
-
MCI
2 stops41h 54m
Iberia
Fri 7/246:19 pm
MCI
-
OPO
2 stops19h 41m
Iberia
Deal found 6/12$1,202
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/246:00 am
OPO
-
MCI
2 stops19h 03m
United Airlines
Fri 7/313:27 pm
MCI
-
OPO
1 stop33h 28m
United Airlines
Deal found 6/9$1,372
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/146:00 am
OPO
-
MCI
2 stops19h 03m
United Airlines
Fri 7/246:05 am
MCI
-
OPO
1 stop18h 50m
United Airlines
Deal found 6/12$1,374
This KLM deal was found by Cheapflights users on 6/10. 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.
Thu 6/255:00 am
OPO
-
MCI
2 stops16h 14m
Multiple Airlines
Mon 6/295:44 pm
MCI
-
OPO
2 stops15h 41m
Multiple Airlines
Deal found 6/10$1,380
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:25 pm
OPO
-
MCI
1 stop34h 45m
Air France
Mon 6/293:38 pm
MCI
-
OPO
2 stops17h 47m
Air France
Deal found 6/10$1,394
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:00 am
OPO
-
MCI
1 stop20h 59m
United Airlines
Mon 6/293:27 pm
MCI
-
OPO
1 stop12h 18m
United Airlines
Deal found 6/10$1,397
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:35 pm
OPO
-
MCI
1 stop17h 24m
Lufthansa
Fri 7/246:05 am
MCI
-
OPO
1 stop21h 40m
Lufthansa
Deal found 6/12$1,478
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:00 am
OPO
-
MCI
3 stops16h 44m
Air Canada
Sat 12/123:22 pm
MCI
-
OPO
3 stops16h 08m
Air Canada
Deal found 6/10$1,551

Find flight deals from Porto to Kansas City

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Kansas City (MCI). 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 June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,186
(United Airlines)

One-way from

$631
(American Airlines)
Provider with most accurate pricing for Porto-Kansas City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-Kansas City flights.
Search Deals
From Porto to Kansas City
Search Deals
One-way flight from Porto to Kansas City
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Kansas City 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 June 13, 2026.
Use the filters below to find and compare flights from Porto to Kansas City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoKansas City

OPO - MCI

OPOMCI

Porto

Thu 8/20

6:00 am-7:32 pm

2 stops19h 32m

Kansas City

Sat 12/12

11:30 am-9:30 am

2 stops16h 00m

$1,189

PortoKansas City

OPO - MCI

OPOMCI

Porto

Fri 7/24

6:00 am-7:03 pm

2 stops19h 03m

Kansas City

Fri 7/31

5:45 pm-6:55 am

2 stops31h 10m

$1,372

PortoKansas City

OPO - MCI

OPOMCI

Porto

Tue 7/14

6:00 am-7:03 pm

2 stops19h 03m

Kansas City

Fri 7/24

6:05 am-6:55 am

1 stop18h 50m

$1,374
Quickest round-trip

PortoKansas City

OPO - MCI

OPOMCI

Porto

Thu 6/25

5:00 am-3:14 pm

2 stops16h 14m

Kansas City

Mon 6/29

5:44 pm-3:25 pm

2 stops15h 41m

$1,380

PortoKansas City

OPO - MCI

OPOMCI

Porto

Tue 7/14

12:35 pm-11:59 pm

1 stop17h 24m

Kansas City

Fri 7/24

6:05 am-9:45 am

1 stop21h 40m

$1,478

PortoKansas City

OPO - MCI

OPOMCI

Porto

Thu 8/20

11:50 am-8:58 am

2 stops27h 08m

Kansas City

Sat 12/12

3:22 pm-1:30 pm

3 stops16h 08m

$1,478

PortoKansas City

OPO - MCI

OPOMCI

Porto

Tue 7/14

11:00 am-11:17 pm

3 stops18h 17m

Kansas City

Fri 7/24

7:53 am-7:00 am

2 stops17h 07m

$1,740

PortoKansas City

OPO - MCI

OPOMCI

Porto

Tue 7/14

11:00 am-11:17 pm

3 stops18h 17m

Kansas City

Fri 7/24

7:53 am-7:00 am

3 stops17h 07m

$2,045
Cheapest one-way

PortoKansas City

OPO - MCI

OPOMCI

Porto

Tue 10/20

8:20 am-8:17 pm

2 stops17h 57m

$631

PortoKansas City

OPO - MCI

OPOMCI

Porto

Sun 8/9

8:20 am-12:35 am

2 stops22h 15m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Porto-Kansas City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Kansas City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Kansas City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Kansas City flights, Cheapflights users trust FlightHub the most. FlightHub 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 Porto-Kansas City 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 Porto to Kansas City

Have a flexible travel schedule? Discover the best time to fly to Kansas City from Porto 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.

Related info for your journey

Find useful and relevant information for your journey from Porto to Kansas City. 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 Porto to Kansas City?

    United Airlines and KLM can get you from Porto to Kansas City in just under 23h 17m. Your travel time can differ by up to 11h 51m. The distance from Porto to Kansas City is about 4333 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Kansas City 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 Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
Lee's Summit
Kansas City
Independence
Belton
Warrensburg
Overland Park
Lenexa
North Kansas City
Lansing
Liberty
Lawrence
Shawnee
Olathe

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