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$135+ Cheap flights from Kansas City (MCI) to San Juan

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Kansas City to San Juan are usually found in September or October, booked 68 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Kansas City to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to San Juan (PR1). 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 12, 2025.

Round-trip from

$275
(Delta)

One-way from

$135
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$450
From Kansas City to San Juan
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One-way flight from Kansas City to San Juan
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Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Kansas City to San Juan

Cheapest flights from Kansas City to San Juan
Explore the most affordable flight options available from Kansas City to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 amMCI - SJU
1 stop9h 08mDelta
Wed 10/85:30 pmSJU - MCI
1 stop7h 27mDelta
Deal found 6/9$275
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2311:05 amMCI - SJU
1 stop7h 14mSpirit Airlines
Tue 7/18:24 pmSJU - MCI
1 stop14h 46mSpirit Airlines
Deal found 6/11$315
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.
Tue 8/123:28 pmMCI - SJU
1 stop7h 26mUnited Airlines
Fri 8/157:45 amSJU - MCI
1 stop7h 37mUnited Airlines
Deal found 6/10$331
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:35 amMCI - SJU
1 stop9h 05mSouthwest
Fri 10/245:50 amSJU - MCI
1 stop11h 20mSouthwest
Deal found 6/10$335
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:01 amMCI - SJU
1 stop15h 48mAmerican Airlines
Sat 9/64:45 pmSJU - MCI
2 stops16h 48mAmerican Airlines
Deal found 6/11$360
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:48 pmMCI - SJU
2 stops17h 27mMultiple Airlines
Mon 10/610:51 amSJU - MCI
1 stop7h 47mMultiple Airlines
Deal found 6/10$366
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:22 amMCI - SJU
2 stops11h 36mFrontier
Wed 10/151:11 amSJU - MCI
2 stops18h 51mFrontier
Deal found 6/11$389

Cheapflights Fare Finder

Customize your flight search to find flights from Kansas City to San Juan 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 12, 2025.
Use the filters below to find and compare flights from Kansas City to San Juan that are best for you.

Fly from

Kansas City

Fly to

San Juan

Route

Depart

Return

Price

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Wed 10/1

6:00 am-4:08 pm

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Wed 10/8

5:30 pm-11:57 pm

1 stop7h 27m

$275

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 6/23

11:05 am-7:19 pm

1 stop7h 14m

San Juan Luis Munoz Marin Intl

Tue 7/1

8:24 pm-10:10 am

1 stop14h 46m

$315

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 8/12

3:28 pm-11:54 pm

1 stop7h 26m

San Juan Luis Munoz Marin Intl

Fri 8/15

7:45 am-2:22 pm

1 stop7h 37m

$331

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 10/18

6:35 am-4:40 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Fri 10/24

5:50 am-4:10 pm

1 stop11h 20m

$335

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sun 8/31

6:01 am-10:49 pm

1 stop15h 48m

San Juan Luis Munoz Marin Intl

Sat 9/6

4:45 pm-8:33 am

2 stops16h 48m

$360

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Thu 10/2

7:48 pm-2:15 pm

2 stops17h 27m

San Juan Luis Munoz Marin Intl

Mon 10/6

10:51 am-5:38 pm

1 stop7h 47m

$366

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sun 10/12

11:22 am-11:58 pm

2 stops11h 36m

San Juan Luis Munoz Marin Intl

Wed 10/15

1:11 am-7:02 pm

2 stops18h 51m

$389

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 8/11

6:04 pm-3:30 pm

1 stop20h 26m

$135

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 7/5

3:36 pm-10:48 pm

1 stop6h 12m

$138

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Wed 6/18

5:55 am-4:00 pm

1 stop9h 05m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 results
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Best time to book a flight from Kansas City to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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 San Juan

How far ahead should I book a flight from Kansas City to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to San Juan. Price data was last updated on June 9, 2025.

The best time to book flights from Kansas City to San Juan is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Kansas City to San Juan (average of $254). Flying from Kansas City to San Juan in June is currently the most expensive (average of $339). 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 SJU?

Find hourly flight availability from Kansas City to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Kansas City to San Juan in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Kansas City to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to San Juan. Price data was last updated on November 10, 2024.

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

Rainfall in San Juan by month

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

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

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

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Kansas City to San Juan by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

  • What airport do you fly from for flights from Kansas City to San Juan?

    Located just 17.4 mi from the city center, Kansas City is the airport most travelers will use when flying to San Juan from Kansas City. Booking flights from Kansas City (MCI) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 5 different airlines.

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

    Cheapflights users have booked flights from Kansas City to San Juan round-trip from $275. Other airlines that can offer you cheap pricing are Spirit Airlines, from $315, and United Airlines, from $331. These flights start at 37% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $135 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $138 and Southwest from $178 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansas City to San Juan 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 San Juan?

    Currently, September is the cheapest month in which you can book a flight from Kansas City to San Juan (average of $254). Flying from Kansas City to San Juan in June is currently the most expensive (average of $339). 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

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Alternative routes for Kansas City to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Luis Munoz Marin Intl flights
St. Louis to Luis Munoz Marin Intl flights
Springfield to Luis Munoz Marin Intl flights
Kansas City to Aguadilla flights
St. Louis to Culebra flights

Top 5 airlines flying from Kansas City to San Juan

Discover the top 5 airlines that operate flights from Kansas City to San Juan. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$197Average$310FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$250Average$475FlexibilityNo cancel feeOn-time69%
DeltaCheapest$273Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$464FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$379Average$575FlexibilityNo cancel feeOn-time63%

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