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 $762. Other airlines that can offer you cheap pricing are American Airlines, from $838, and Lufthansa, from $912. You may be able to fly from Kansas City to Porto for 19% less than the average price by searching for these airlines.

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

$571 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Air France, with prices starting from $583 and $921, respectively.

What is the cheapest day to fly from Kansas City to Porto?

Travelers seeking maximum savings on their Kansas City to Porto flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Tuesday is generally a great day to depart. Flying on this day could help you save up to 87%.

What is the cheapest month to fly from Kansas City to Porto?

Our data shows that February tends to be the cheapest month to fly to Porto from Kansas City. Users have commonly found prices around $947 for the month, but tickets can be as low as $611. Due to multiple factors, prepare for potentially higher prices in July.

Most accurate provider : When it comes to deals on Kansas City-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Kansas City-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$571+ Flights from Kansas City to Porto

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1. Tell us where you want to go

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Cheap flight deals from Kansas City to Porto

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$762 (United Airlines)
One-way from	$571 (American Airlines)
Popular in	July
Cheapest in	February
Average price	$1,065

Provider with most accurate pricing for Kansas City-Porto flight deals.

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Provider most trusted by Cheapflights users for Kansas City-Porto flights.

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From Kansas City to Porto

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One-way flight from Kansas City to Porto

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($277 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Wed 11/54:19 pmMCI - OPO

1 stop11h 11mUnited Airlines

Wed 11/1212:35 pmOPO - MCI

1 stop15h 52mUnited Airlines

Deal found 4/30

$592

Wed 11/122:07 pmMCI - OPO

2 stops15h 38mIberia

Wed 11/198:40 pmOPO - MCI

2 stops18h 08mIberia

Deal found 4/30

$605

Wed 10/2910:00 amMCI - OPO

2 stops18h 30mMultiple Airlines

Wed 11/56:00 amOPO - MCI

2 stops19h 31mMultiple Airlines

Deal found 4/30

$606

Tue 8/191:50 pmMCI - OPO

2 stops15h 50mAmerican Airlines

Sun 8/2412:20 pmOPO - MCI

2 stops18h 09mAmerican Airlines

Deal found 4/30

$838

Fri 10/106:32 pmMCI - OPO

2 stops22h 48mLufthansa

Sun 10/1911:05 amOPO - MCI

2 stops40h 37mLufthansa

Deal found 4/30

$912

Mon 7/284:59 pmMCI - OPO

2 stops32h 36mBritish Airways

Sun 8/38:15 amOPO - MCI

2 stops18h 26mBritish Airways

Deal found 4/30

$1,080

Mon 7/2810:00 amMCI - OPO

3 stops17h 35mAir Canada

Sun 8/311:20 amOPO - MCI

3 stops17h 54mAir Canada

Deal found 4/30

$1,290

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 May 1, 2025.

Mon 9/227:30 amMCI - OPO

2 stops20h 05mUnited Airlines

Thu 10/212:10 pmOPO - MCI

2 stops26h 59mUnited Airlines

Deal found 4/30

$762

Tue 8/191:50 pmMCI - OPO

2 stops15h 50mAmerican Airlines

Sun 8/2412:20 pmOPO - MCI

2 stops18h 09mAmerican Airlines

Deal found 4/30

$838

Fri 10/106:32 pmMCI - OPO

2 stops22h 48mLufthansa

Sun 10/1911:05 amOPO - MCI

2 stops40h 37mLufthansa

Deal found 4/30

$912

Sun 8/246:18 pmMCI - OPO

2 stops15h 37mIberia

Mon 9/18:35 pmOPO - MCI

2 stops30h 01mIberia

Deal found 4/30

$962

Mon 7/284:59 pmMCI - OPO

2 stops32h 36mBritish Airways

Sun 8/38:15 amOPO - MCI

2 stops18h 26mBritish Airways

Deal found 4/30

$1,080

Tue 8/196:29 pmMCI - OPO

2 stops32h 51mMultiple Airlines

Sun 8/2411:20 amOPO - MCI

3 stops27h 49mMultiple Airlines

Deal found 4/30

$1,083

Mon 7/2810:00 amMCI - OPO

3 stops17h 35mAir Canada

Sun 8/311:20 amOPO - MCI

3 stops17h 54mAir Canada

Deal found 4/30

$1,290

Last-minute flights from Kansas City to Porto
Discover last-minute flight deals from Kansas City to Porto. Data last updated May 1, 2025 and is based on user searches.

Thu 5/812:20 pmMCI - OPO

2 stops17h 20mIberia

Sat 5/178:15 amOPO - MCI

2 stops21h 53mIberia

Deal found 4/30

$1,865

Thu 5/810:05 amMCI - OPO

2 stops17h 40mUnited Airlines

Sat 5/1712:35 pmOPO - MCI

1 stop14h 31mUnited Airlines

Deal found 5/1

$1,917

Thu 5/83:30 pmMCI - OPO

3 stops17h 30mAir Canada

Sat 5/1710:00 amOPO - MCI

3 stops29h 11mAir Canada

Deal found 5/1

$3,060

One-way flights from Kansas City to Porto
Search for one-way flight options from Kansas City to Porto. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Sun 7/205:49 pmMCI - OPO

2 stops16h 06mAmerican Airlines

Deal found 4/30

$571

Sun 7/201:50 pmMCI - OPO

1 stop11h 05mUnited Airlines

Deal found 4/30

$583

Thu 6/195:44 pmMCI - OPO

2 stops15h 46mAir France

Deal found 4/30

$921

Mon 5/123:30 pmMCI - OPO

3 stops17h 30mAir Canada

Deal found 4/30

$1,188

Cheapflights Fare Finder

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 9/22

3:01 pm-9:45 am

1 stop12h 44m

Porto

Thu 10/2

12:10 pm-9:09 am

2 stops26h 59m

$762

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 8/19

1:50 pm-11:40 am

2 stops15h 50m

Porto

Sun 8/24

12:20 pm-12:29 am

2 stops18h 09m

$838

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Fri 10/10

6:32 pm-11:20 pm

2 stops22h 48m

Porto

Sun 10/19

11:05 am-9:42 pm

2 stops40h 37m

$912

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 8/24

6:18 pm-3:55 pm

2 stops15h 37m

Porto

Mon 9/1

8:35 pm-8:36 pm

2 stops30h 01m

$962

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 7/28

4:59 pm-7:35 am

2 stops32h 36m

Porto

Sun 8/3

8:15 am-8:41 pm

2 stops18h 26m

$1,080

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 8/19

6:29 pm-9:20 am

2 stops32h 51m

Porto

Sun 8/24

11:20 am-9:09 am

3 stops27h 49m

$1,083

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 7/28

10:00 am-9:35 am

3 stops17h 35m

Porto

Sun 8/3

11:20 am-11:14 pm

3 stops17h 54m

$1,290

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 7/20

5:49 pm-3:55 pm

2 stops16h 06m

$571

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 7/20

1:50 pm-6:55 am

1 stop11h 05m

$583

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Thu 6/19

5:44 pm-3:30 pm

2 stops15h 46m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results

Compare providers for flights from Kansas City to Porto

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 May.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Kansas City-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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 $1,071). 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?

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.

Rainfall in Porto by month

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

See what other customers who have flown with Air France, United Airlines and American Airlines from Kansas City to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air France

7.4

Good

1,446 reviews

Reviews

1 / 20

8.0

Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

Air France

7.4

Good

1,446 reviews

Air France

7.4

Good

1,446 reviews

Reviews

1 / 20

8.0

Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

United Airlines

7.4

Good

8,696 reviews

Air France

7.4

Good

1,446 reviews

Reviews

1 / 20

8.0

Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

American Airlines

7.2

Good

10,000 reviews

Air France

7.4

Good

1,446 reviews

Reviews

1 / 20

8.0

Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

Air Canada

7.0

Good

9,245 reviews

Air France

7.4

Good

1,446 reviews

Reviews

1 / 20

8.0

Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

Iberia

7.0

Good

2,700 reviews

Air France

7.4

Good

1,446 reviews

Reviews

1 / 20

8.0

Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

Related info for your journey

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 $762. Other airlines that can offer you cheap pricing are American Airlines, from $838, and Lufthansa, from $912. You may be able to fly from Kansas City to Porto for 19% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Kansas City to Porto one-way?
$571 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Air France, with prices starting from $583 and $921, 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 $1,071). 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

Aveiro

Coimbra

Matosinhos

Arcos de Valdevez

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Other flights to Porto

Top 2 airlines flying from Kansas City to Porto

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$564	Average$1,082	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$611	Average$776	FlexibilityNo cancel fee	On-timeN/A

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$571+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansas City to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kansas City to Porto

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kansas City to Porto

Cheapest flights from Kansas City to PortoExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Porto that are best for you.

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 May.

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.

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?

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 May 1, 2025.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

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 May 1, 2025.

See what other customers who have flown with Air France, United Airlines and American Airlines from Kansas City to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

Traveling to a place near Kansas City?

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Alternative routes for Kansas City to Porto

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Top 2 airlines flying from Kansas City to Porto

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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 May 1, 2025.