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San Juan

Cheap flights from Kansas City (MCI) to San Juan

MCI — SJU
Nov 25 — Dec 21
Wed 11/25
Wed 12/2
1 adult, Economy
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Find flight deals from Kansas City to San Juan

Popular in

December

Cheapest in

September

Average price

$376
Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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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

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?

The best time to book flights from Kansas City to San Juan is 72 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 $337). Flying from Kansas City to San Juan in December is currently the most expensive (average of $581). 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.

Reviews of airlines servicing San Juan

Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Kansas City to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,219 reviews

Entertainment

7.4

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Southwest
7.9
Good
4,219 reviews
Southwest
7.9
Good
4,219 reviews

Entertainment

7.4

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Delta
7.8
Good
8,678 reviews
Southwest
7.9
Good
4,219 reviews

Entertainment

7.4

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
United Airlines
7.3
Good
10,439 reviews
Southwest
7.9
Good
4,219 reviews

Entertainment

7.4

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
American Airlines
7.0
Good
12,190 reviews
Southwest
7.9
Good
4,219 reviews

Entertainment

7.4

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Frontier
5.5
Fair
2,516 reviews
Southwest
7.9
Good
4,219 reviews

Entertainment

7.4

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • 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 $132. Other airlines that can offer you cheap pricing are Delta, from $133, and American Airlines, from $238. These flights start at 71% 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 $149 on United Airlines. Other airlines that offer cheap prices include American Airlines from $163 and Delta from $163 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 $337). Flying from Kansas City to San Juan in December is currently the most expensive (average of $581). 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

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

Top 5 airlines flying from Kansas City to San Juan

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$372FlexibilityNo cancel feeOn-time62%
DeltaCheapest$133Average$402FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$443FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$244Average$415FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$502FlexibilityNo cancel feeOn-time63%

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