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Cheap flights from Kansas City to San Juan from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to San Juan departing on 8/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:16 am - 12:38 am
MCI
-
SJU
13h 22m
1 stop
Multiple Airlines Logo
5:39 pm - 9:31 am
SJU
-
MCI
17h 52m
1 stop
$276Multiple Airlines
Mon, Nov 2 - Wed, Nov 11
Multiple Airlines Logo
11:16 am - 12:57 am
MCI
-
SJU
11h 41m
1 stop
Multiple Airlines Logo
6:12 pm - 8:46 am
SJU
-
MCI
16h 34m
1 stop
$280Multiple Airlines
Sun, Nov 1 - Thu, Nov 12
Frontier Logo
5:00 pm - 2:16 pm
MCI
-
SJU
20h 16m
1 stop
Frontier Logo
5:37 pm - 4:05 pm
SJU
-
MCI
23h 28m
2 stops
$326Frontier
Sat, Aug 29 - Fri, Sep 4
Frontier Logo
5:00 pm - 12:34 am
MCI
-
SJU
30h 34m
2 stops
Frontier Logo
3:48 pm - 10:41 am
SJU
-
MCI
19h 53m
1 stop
$335Frontier
Sat, Aug 29 - Thu, Sep 3
American Airlines Logo
7:46 pm - 2:57 pm
MCI
-
SJU
17h 11m
1 stop
American Airlines Logo
6:42 pm - 12:25 am
SJU
-
MCI
7h 43m
1 stop
$341American Airlines
Mon, Dec 7 - Tue, Dec 8
American Airlines Logo
7:46 pm - 2:03 pm
MCI
-
SJU
17h 17m
1 stop
American Airlines Logo
4:17 pm - 8:56 am
SJU
-
MCI
17h 39m
1 stop
$341American Airlines
Fri, Oct 23 - Sat, Oct 24
Southwest Logo
5:05 pm - 12:20 am
MCI
-
SJU
6h 15m
1 stop
Southwest Logo
5:45 am - 3:35 pm
SJU
-
MCI
10h 50m
1 stop
$341Southwest
Fri, Oct 30 - Sat, Oct 31
Southwest Logo
6:00 am - 1:30 pm
MCI
-
SJU
6h 30m
1 stop
Southwest Logo
6:00 am - 4:30 pm
SJU
-
MCI
11h 30m
1 stop
$346Southwest
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
6:20 am - 3:42 pm
MCI
-
SJU
8h 22m
1 stop
United Airlines Logo
2:55 pm - 11:59 pm
SJU
-
MCI
10h 04m
1 stop
$346United Airlines
Sun, Aug 30 - Thu, Sep 3
United Airlines Logo
7:30 am - 8:38 pm
MCI
-
SJU
12h 08m
2 stops
United Airlines Logo
1:00 am - 12:20 pm
SJU
-
MCI
12h 20m
2 stops
$346United Airlines
Sat, Sep 5 - Fri, Sep 11

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Frontier flights from Kansas City to San Juan

Our best Frontier deals on Kansas City to San Juan flight tickets
Frontier
Aug 29
MCI5:00 pmKansas City
20h 16m
1 stop
SJU2:16 pmSan Juan Luis Munoz Marin Intl
Sep 4
SJU5:37 pmSan Juan Luis Munoz Marin Intl
23h 28m
2 stops
MCI4:05 pmKansas City
$326
Frontier
Aug 29
MCI5:00 pmKansas City
30h 34m
2 stops
SJU12:34 amSan Juan Luis Munoz Marin Intl
Sep 3
SJU3:48 pmSan Juan Luis Munoz Marin Intl
19h 53m
1 stop
MCI10:41 amKansas City
$335
Frontier
Aug 19
MCI11:26 amKansas City
12h 30m
2 stops
SJU12:56 amSan Juan Luis Munoz Marin Intl
Aug 21
SJU5:25 pmSan Juan Luis Munoz Marin Intl
23h 40m
1 stop
MCI4:05 pmKansas City
$345

Southwest flights from Kansas City to San Juan

Our best Southwest deals on Kansas City to San Juan flight tickets
Southwest
Oct 30
MCI5:05 pmKansas City
7h 15m
1 stop
SJU1:20 amSan Juan Luis Munoz Marin Intl
Oct 31
SJU5:45 amSan Juan Luis Munoz Marin Intl
10h 50m
1 stop
MCI3:35 pmKansas City
$341
Southwest
Jan 17
MCI10:00 amKansas City
10h 00m
2 stops
SJU10:00 pmSan Juan Luis Munoz Marin Intl
Jan 23
SJU7:50 amSan Juan Luis Munoz Marin Intl
10h 25m
2 stops
MCI4:15 pmKansas City
$361
Southwest
Oct 22
MCI10:15 amKansas City
12h 50m
2 stops
SJU12:05 amSan Juan Luis Munoz Marin Intl
Oct 27
SJU12:40 pmSan Juan Luis Munoz Marin Intl
10h 25m
2 stops
MCI10:05 pmKansas City
$366

momondo 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, momondo users made 832,500 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from Kansas City to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 11/2

9:16 am-12:38 am

1 stop13h 22m

San Juan Luis Munoz Marin Intl

Wed 11/11

5:39 pm-9:31 am

1 stop17h 52m

$276

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sun 11/1

11:16 am-12:57 am

1 stop11h 41m

San Juan Luis Munoz Marin Intl

Thu 11/12

6:12 pm-8:46 am

1 stop16h 34m

$280

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 8/29

5:00 pm-2:16 pm

1 stop20h 16m

San Juan Luis Munoz Marin Intl

Fri 9/4

5:37 pm-4:05 pm

2 stops23h 28m

$326

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 8/29

5:00 pm-12:34 am

2 stops30h 34m

San Juan Luis Munoz Marin Intl

Thu 9/3

3:48 pm-10:41 am

1 stop19h 53m

$335

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 12/7

7:46 pm-2:57 pm

1 stop17h 11m

San Juan Luis Munoz Marin Intl

Tue 12/8

6:42 pm-12:25 am

1 stop7h 43m

$341

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 10/23

7:46 pm-2:03 pm

1 stop17h 17m

San Juan Luis Munoz Marin Intl

Sat 10/24

4:17 pm-8:56 am

1 stop17h 39m

$341
Quickest round-trip

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 10/30

5:05 pm-12:20 am

1 stop6h 15m

San Juan Luis Munoz Marin Intl

Sat 10/31

5:45 am-3:35 pm

1 stop10h 50m

$341

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 9/8

6:00 am-1:30 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Tue 9/15

6:00 am-4:30 pm

1 stop11h 30m

$346

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sun 8/30

6:20 am-3:42 pm

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Thu 9/3

2:55 pm-11:59 pm

1 stop10h 04m

$346

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 9/5

7:30 am-8:38 pm

2 stops12h 08m

San Juan Luis Munoz Marin Intl

Fri 9/11

1:00 am-12:20 pm

2 stops12h 20m

$346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Kansas City to San Juan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kansas City and San Juan?

Prices are currently low for flights on this route.

Typical prices usually range from $365 to $496.
The lowest price recently found on this route was $276.

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in September, then October is your next best option. Flight prices from Kansas City to San Juan during October average around $375.

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

You are more likely to see cheaper flights to San Juan from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $454 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Kansas City for as low as $392 on momondo.

Cheap Kansas City to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to San Juan

Fastest flight time

6h 40m

Direct flights

None
The fastest flight from Kansas City to San Juan takes 6h 40m
There are no direct flights from Kansas City to San Juan. There are no popular flight routes from Kansas City to San Juan.
Search flight deals

Frequently asked questions about flying from Kansas City to San Juan

  • How far is Kansas City to San Juan by plane?

    The straight-line distance from Kansas City to San Juan is 2217.2 mi. Flights usually cover this in 6h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Kansas City Airport to San Juan?

    Prices for flights from Kansas City Airport to San Juan are updated daily.

  • How many operators does momondo search for flights from Kansas City Airport to San Juan?

  • How old do you have to be to fly from Kansas City Airport to San Juan?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The required travel and health documents for your San Juan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Kansas City to San Juan

Compare and see reviews for airlines that fly from Kansas City to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $132Free CancellationRating
5.6
2,753 reviews
Search Frontier flights
DeltaPriceFrom $133Free CancellationRating
7.8
8,483 reviews
Search Delta flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
10,048 reviews
Search United Airlines flights
American AirlinesPriceFrom $235Free CancellationRating
7.1
11,839 reviews
Search American Airlines flights
SouthwestPriceFrom $274Free CancellationRating
8.0
4,228 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Kansas City.

Can I find flights from Kansas City to San Juan with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Juan from Kansas City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kansas City to San Juan?

momondo helps you find the best flight between Kansas City and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kansas City to San Juan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Kansas City and alert you when they change.

An easier way to manage your San Juan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport