What is the cheapest airline that flies from Puerto Rico to Missouri?

Frontier, American Airlines, and United Airlines are the most popular carriers operating from Puerto Rico to Missouri

What airlines fly to Missouri?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to Missouri from Puerto Rico according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Puerto Rico to Missouri?

Prices for flights from Puerto Rico to Missouri are refreshed on a daily basis.

How many operators does momondo search for flights from Puerto Rico to Missouri?

The number of operators available for flights from Puerto Rico to Missouri is 4 as of September 2026.

How old do you have to be to fly from Puerto Rico to Missouri?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Puerto Rico to Missouri.

What documentation or ID do you need to fly to Missouri?

The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$91 Cheap Flights from Puerto Rico to Missouri in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Puerto Rico to Missouri

Round-trip

One-way

Last minute

Recent round-trip flight deals from Puerto Rico to Missouri

Enter your travel dates to find the best prices.

2:45 pm - 1:10 pmSJU San Juan Luis Munoz Marin Intl-STL Lambert-St Louis

23h 25m1 stop Atlanta Hartsfield-Jackson

6:44 pm - 12:59 amSTL Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl

29h 15m1 stop Atlanta Hartsfield-Jackson

$179Frontier

Tue, Sep 29 - Wed, Oct 28

5:11 pm - 1:10 pmSJU San Juan Luis Munoz Marin Intl-STL Lambert-St Louis

20h 59m1 stop Atlanta Hartsfield-Jackson

2:29 pm - 4:06 pmSTL Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl

24h 37m1 stop Atlanta Hartsfield-Jackson

$195Frontier

Thu, Sep 24 - Wed, Sep 30

6:00 am - 4:35 pmSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

11h 35m1 stop Dallas/Fort Worth

5:10 pm - 11:31 amMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

17h 21m1 stop Miami

$238American Airlines

Wed, Oct 7 - Mon, Oct 12

2:22 pm - 10:12 pmSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

8h 50m1 stop Philadelphia

5:02 am - 1:57 pmMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

7h 55m1 stop Miami

$238American Airlines

Thu, Sep 24 - Mon, Sep 28

7:00 am - 8:26 amSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

26h 26m1 stop Fort Lauderdale

9:16 am - 3:19 pmMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

28h 03m1 stop Fort Lauderdale

$245Multiple Airlines

Thu, Oct 8 - Mon, Nov 2

3:49 pm - 8:46 amSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

18h 57m2 stops Tampa Fort Lauderdale

9:46 am - 3:19 pmMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

27h 33m1 stop Fort Lauderdale

$300Multiple Airlines

Thu, Nov 12 - Mon, Nov 16

6:35 am - 5:05 pmSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

11h 30m1 stop Orlando

10:45 am - 12:10 amMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

12h 25m1 stop Baltimore/Washington

$366Southwest

Tue, Oct 13 - Thu, Oct 29

6:35 am - 5:05 pmSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

11h 30m1 stop Orlando

3:35 pm - 1:25 amMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

8h 50m2 stops Nashville Intl Orlando

$366Southwest

Tue, Oct 13 - Thu, Oct 29

7:00 am - 2:49 pmSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

9h 49m1 stop Atlanta Hartsfield-Jackson

1:20 pm - 11:15 pmMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

7h 55m1 stop Atlanta Hartsfield-Jackson

$366Delta

Fri, Nov 13 - Mon, Nov 16

2:59 pm - 11:42 pmSJU San Juan Luis Munoz Marin Intl-STL Lambert-St Louis

9h 43m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 10:19 pmSTL Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl

9h 19m1 stop Atlanta Hartsfield-Jackson

$376Delta

Thu, Sep 24 - Wed, Sep 30

Recent last minute flight deals from Puerto Rico to Missouri

Enter your travel dates to find the best prices.

9:16 am - 3:28 pmSJU San Juan Luis Munoz Marin Intl-STL Lambert-St Louis

7h 12m1 stop Orlando

4:23 pm - 11:06 amSTL Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl

17h 43m1 stop Orlando

$452Frontier

Fri, Sep 4 - Mon, Sep 7

8:43 pm - 4:11 pmSJU San Juan Luis Munoz Marin Intl-STL Lambert-St Louis

20h 28m1 stop Orlando

5:02 pm - 8:11 amSTL Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl

14h 09m1 stop Orlando

$474Frontier

Fri, Sep 4 - Sun, Sep 6

3:10 am - 3:28 pmSJU San Juan Luis Munoz Marin Intl-STL Lambert-St Louis

13h 18m1 stop Orlando

4:23 pm - 11:06 amSTL Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl

17h 43m1 stop Orlando

$552Frontier

Thu, Sep 3 - Mon, Sep 7

12:55 am - 10:04 amSJU San Juan Luis Munoz Marin Intl-SGF Springfield-Branson

10h 09m1 stop Chicago O'Hare Intl

8:04 pm - 2:50 pmSGF Springfield-Branson-SJU San Juan Luis Munoz Marin Intl

17h 46m2 stops Chicago O'Hare Intl Charlotte Douglas

$600American Airlines

Sat, Sep 5 - Tue, Sep 8

10:33 am - 11:55 pmSJU San Juan Luis Munoz Marin Intl-SGF Springfield-Branson

14h 22m2 stops Miami Dallas/Fort Worth

3:01 pm - 11:00 amSGF Springfield-Branson-SJU San Juan Luis Munoz Marin Intl

18h 59m2 stops Charlotte Douglas Miami

$600American Airlines

Sun, Sep 6 - Tue, Sep 8

3:56 pm - 11:19 pmSJU San Juan Luis Munoz Marin Intl-SGF Springfield-Branson

8h 23m1 stop Chicago O'Hare Intl

6:25 am - 3:12 pmSGF Springfield-Branson-SJU San Juan Luis Munoz Marin Intl

7h 47m1 stop Houston George Bush Intcntl

$644United Airlines

Sun, Sep 6 - Tue, Sep 8

5:05 am - 1:25 pmSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

9h 20m2 stops Orlando Chicago Midway

8:20 am - 8:05 pmMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

10h 45m1 stop Orlando

$666Southwest

Sat, Sep 5 - Mon, Sep 7

2:50 pm - 9:10 pmSJU San Juan Luis Munoz Marin Intl-MCI Kansas City

7h 20m1 stop Orlando

2:00 pm - 10:55 pmMCI Kansas City-SJU San Juan Luis Munoz Marin Intl

7h 55m1 stop Baltimore/Washington

$666Southwest

Sat, Sep 5 - Mon, Sep 7

7:00 am - 2:16 pmSJU San Juan Luis Munoz Marin Intl-SGF Springfield-Branson

8h 16m1 stop Houston George Bush Intcntl

6:25 am - 3:12 pmSGF Springfield-Branson-SJU San Juan Luis Munoz Marin Intl

7h 47m1 stop Houston George Bush Intcntl

$690United Airlines

Fri, Sep 4 - Tue, Sep 8

12:56 pm - 10:21 pmSJU San Juan Luis Munoz Marin Intl-SGF Springfield-Branson

10h 25m1 stop Atlanta Hartsfield-Jackson

6:08 am - 4:49 pmSGF Springfield-Branson-SJU San Juan Luis Munoz Marin Intl

9h 41m1 stop Atlanta Hartsfield-Jackson

$703Delta

Fri, Sep 4 - Tue, Sep 8

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Frontier flights from Puerto Rico to Missouri

Our best Frontier deals on Puerto Rico to Missouri flight tickets

Frontier

Sep 29

SJU2:45 pmSan Juan Luis Munoz Marin Intl

23h 25m

1 stop

STL1:10 pmLambert-St Louis

Oct 28

STL6:44 pmLambert-St Louis

29h 15m

1 stop

SJU12:59 amSan Juan Luis Munoz Marin Intl

$179

Frontier

Sep 24

SJU5:11 pmSan Juan Luis Munoz Marin Intl

20h 59m

1 stop

STL1:10 pmLambert-St Louis

Sep 30

STL2:29 pmLambert-St Louis

24h 37m

1 stop

SJU4:06 pmSan Juan Luis Munoz Marin Intl

$195

Frontier

Sep 24

SJU5:11 pmSan Juan Luis Munoz Marin Intl

20h 59m

1 stop

STL1:10 pmLambert-St Louis

Sep 30

STL2:29 pmLambert-St Louis

24h 37m

1 stop

SJU4:06 pmSan Juan Luis Munoz Marin Intl

$200

Delta flights from Puerto Rico to Missouri

Our best Delta deals on Puerto Rico to Missouri flight tickets

Delta

Sep 15

SJU5:59 pmSan Juan Luis Munoz Marin Intl

6h 43m

1 stop

STL11:42 pmLambert-St Louis

Sep 22

STL2:30 pmLambert-St Louis

6h 49m

1 stop

SJU10:19 pmSan Juan Luis Munoz Marin Intl

$466

Delta

Sep 17

SJU12:56 pmSan Juan Luis Munoz Marin Intl

10h 12m

1 stop

SGF10:08 pmSpringfield-Branson

Sep 21

SGF6:08 amSpringfield-Branson

9h 41m

1 stop

SJU4:49 pmSan Juan Luis Munoz Marin Intl

$701

Delta

Sep 4

SJU12:56 pmSan Juan Luis Munoz Marin Intl

10h 25m

1 stop

SGF10:21 pmSpringfield-Branson

Sep 8

SGF6:08 amSpringfield-Branson

9h 41m

1 stop

SJU4:49 pmSan Juan Luis Munoz Marin Intl

$703

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 9/29

2:45 pm-1:10 pm

1 stop23h 25m

Lambert-St Louis

Wed 10/28

6:44 pm-12:59 am

1 stop29h 15m

$179

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 9/24

5:11 pm-1:10 pm

1 stop20h 59m

Lambert-St Louis

Wed 9/30

2:29 pm-4:06 pm

1 stop24h 37m

$195

San JuanKansas City

SJU San Juan Luis Munoz Marin Intl - MCI Kansas City

SJUMCI

San Juan Luis Munoz Marin Intl

Wed 10/7

6:00 am-4:35 pm

1 stop11h 35m

Kansas City

Mon 10/12

5:10 pm-11:31 am

1 stop17h 21m

$238

Quickest round-trip

San JuanKansas City

SJU San Juan Luis Munoz Marin Intl - MCI Kansas City

SJUMCI

San Juan Luis Munoz Marin Intl

Thu 9/24

2:22 pm-10:12 pm

1 stop8h 50m

Kansas City

Mon 9/28

5:02 am-1:57 pm

1 stop7h 55m

$238

San JuanKansas City

SJU San Juan Luis Munoz Marin Intl - MCI Kansas City

SJUMCI

San Juan Luis Munoz Marin Intl

Thu 10/8

7:00 am-8:26 am

1 stop26h 26m

Kansas City

Mon 11/2

9:16 am-3:19 pm

1 stop28h 03m

$245

San JuanKansas City

SJU San Juan Luis Munoz Marin Intl - MCI Kansas City

SJUMCI

San Juan Luis Munoz Marin Intl

Thu 11/12

3:49 pm-8:46 am

2 stops18h 57m

Kansas City

Mon 11/16

9:46 am-3:19 pm

1 stop27h 33m

$300

San JuanKansas City

SJU San Juan Luis Munoz Marin Intl - MCI Kansas City

SJUMCI

San Juan Luis Munoz Marin Intl

Tue 10/13

6:35 am-5:05 pm

1 stop11h 30m

Kansas City

Thu 10/29

10:45 am-12:10 am

1 stop12h 25m

$366

San JuanKansas City

SJU San Juan Luis Munoz Marin Intl - MCI Kansas City

SJUMCI

San Juan Luis Munoz Marin Intl

Tue 10/13

6:35 am-5:05 pm

1 stop11h 30m

Kansas City

Thu 10/29

3:35 pm-1:25 am

2 stops8h 50m

$366

San JuanKansas City

SJU San Juan Luis Munoz Marin Intl - MCI Kansas City

SJUMCI

San Juan Luis Munoz Marin Intl

Fri 11/13

7:00 am-2:49 pm

1 stop9h 49m

Kansas City

Mon 11/16

1:20 pm-11:15 pm

1 stop7h 55m

$366

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 9/24

2:59 pm-11:42 pm

1 stop9h 43m

Lambert-St Louis

Wed 9/30

12:00 pm-10:19 pm

1 stop9h 19m

$376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Puerto Rico to Missouri

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

Prices

Airlines

What is the cheapest month to fly to Missouri?

In general, January is the cheapest month to fly from Puerto Rico to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. If you aren’t able to travel to Missouri during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $346.

What is the cheapest Puerto Rico to Missouri flight route?

Fly from San Juan Luis Munoz Marin Intl to Lambert-St Louis for the best Puerto Rico - Missouri flight prices

How far in advance should I book a flight from Puerto Rico to Missouri?

You are more likely to see cheaper flights to Missouri from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $434 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Puerto Rico for as low as $168 on momondo.

What cabin class options are available on Puerto Rico to Missouri flights?

There is only 1 cabin class available to choose from on Puerto Rico to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Puerto Rico to Missouri flights?

No. A direct flight is the cheapest option for a flight between Puerto Rico to Missouri.

Cheap Puerto Rico to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to Missouri

Best Price Found	$91
Fastest flight time	6h 35m
Direct flights	Sun
Airports in Missouri	55 airports

The best one-way flight to Missouri from Puerto Rico in the past 72 hours is $91. The best round-trip flight deal from Puerto Rico to Missouri found on momondo in the last 72 hours is $179.

The fastest flight from Puerto Rico to Missouri takes 6h 35m

Direct flights go from Puerto Rico to Missouri on Sunday. There are no airlines offering direct flights.

There are 55 airports in Missouri. From Puerto Rico there are direct flights to Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Puerto Rico to Missouri

When did momondo last update prices for flights from Puerto Rico to Missouri?
Prices for flights from Puerto Rico to Missouri are refreshed on a daily basis.
How many operators does momondo search for flights from Puerto Rico to Missouri?
The number of operators available for flights from Puerto Rico to Missouri is 4 as of September 2026.
How old do you have to be to fly from Puerto Rico to Missouri?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Puerto Rico to Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Puerto Rico to Missouri?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Puerto Rico to Missouri is Boeing 737-900 (25.00% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (18.75%), Airbus A321-100/200 (12.50%), and Boeing 737-800 (12.50%).

Best airlines flying from Puerto Rico to Missouri

Compare and see reviews for airlines that fly from Puerto Rico to Missouri with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $84	Free Cancellation	Rating 5.6 2,627 reviews	Search Frontier flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.8 8,549 reviews	Search Delta flights
American Airlines	PriceFrom $225	Free Cancellation	Rating 7.1 12,030 reviews	Search American Airlines flights
Southwest	PriceFrom $312	Free Cancellation	Rating 8.0 4,198 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Missouri?

Finding the right flight to Missouri from Puerto Rico is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Missouri quick and easy, saving you time and money.

Can I find flights from Puerto Rico to Missouri with flexible booking policies on momondo?

All flight searches from Puerto Rico to Missouri on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Puerto Rico to Missouri?

Once all potential Puerto Rico to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Puerto Rico to Missouri right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Puerto Rico to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.