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Cheap flights from St. Louis to Puerto Rico from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Puerto Rico departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Puerto Rico

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Puerto Rico that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Puerto Rico.

Cheap last minute flights

Planning a quick getaway from St. Louis to Puerto Rico? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Puerto Rico, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Puerto Rico

Find recent round-trip train or bus tickets from St. Louis to Puerto Rico.

All round-trip flight deals to Puerto Rico

The cheapest plane tickets to Puerto Rico found on KAYAK recently.
5:05 pm - 10:37 amSTL-SJU
15h 32m1 stop
3:53 pm - 11:31 pmSJU-STL
9h 38m1 stop
$157Frontier
Find Deal
sáb, fev 1 - dom, fev 9
5:05 pm - 2:48 pmSTL-SJU
19h 43m1 stop
9:15 pm - 11:31 pmSJU-STL
28h 16m1 stop
$159Frontier
Find Deal
sáb, jan 18 - qua, jan 22
11:09 am - 11:45 pmSTL-SJU
10h 36m1 stop
3:23 pm - 8:56 pmSJU-STL
7h 33m1 stop
$264Delta
Find Deal
ter, jan 21 - sex, jan 31
10:59 am - 11:45 pmSTL-SJU
10h 46m1 stop
3:30 pm - 11:37 pmSJU-STL
10h 07m1 stop
$284Delta
Find Deal
seg, jan 20 - sáb, jan 25
4:27 pm - 8:22 pmSTL-SJU
25h 55m1 stop
8:43 pm - 2:43 pmSJU-STL
20h 00m1 stop
$289Spirit Airlines
Find Deal
ter, jan 7 - qua, jan 15
5:52 pm - 8:22 pmSTL-SJU
24h 30m1 stop
10:09 pm - 2:43 pmSJU-STL
18h 34m1 stop
$302Spirit Airlines
Find Deal
sáb, jan 4 - seg, jan 13
11:47 am - 10:07 pmSTL-SJU
8h 20m2 stops
8:15 am - 4:06 pmSJU-STL
9h 51m2 stops
$303American Airlines
Find Deal
sáb, fev 8 - qui, fev 13
9:44 am - 10:22 pmSTL-SJU
10h 38m2 stops
2:05 am - 12:05 pmSJU-STL
12h 00m2 stops
$348United Airlines
Find Deal
sex, jan 24 - sex, jan 24
6:15 am - 4:36 pmSTL-SJU
8h 21m1 stop
2:05 am - 10:43 amSJU-STL
10h 38m1 stop
$354United Airlines
Find Deal
ter, jan 21 - sex, jan 24
9:29 am - 9:00 pmSTL-SJU
9h 31m2 stops
3:24 pm - 10:25 pmSJU-STL
8h 01m1 stop
$379American Airlines
Find Deal
ter, mar 4 - seg, mar 10
5:05 pm - 2:19 amSTL-SJU
7h 14m1 stop
$63Frontier
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seg, jan 20
5:20 pm - 2:54 amSTL-SJU
7h 34m1 stop
$64Frontier
Find Deal
sáb, fev 22
12:52 pm - 11:46 pmSTL-SJU
8h 54m1 stop
$132Delta
Find Deal
qui, fev 20
9:36 am - 12:04 amSTL-SJU
12h 28m2 stops
$135American Airlines
Find Deal
ter, fev 11
6:00 am - 4:30 pmSTL-SJU
9h 30m1 stop
$152Delta
Find Deal
dom, mai 18
8:00 am - 10:22 pmSTL-SJU
12h 22m2 stops
$177United Airlines
Find Deal
dom, jan 19
4:26 pm - 5:43 pmSTL-SJU
23h 17m1 stop
$188Spirit Airlines
Find Deal
qui, dez 12
4:26 pm - 1:59 amSTL-SJU
31h 33m3 stops
$199Spirit Airlines
Find Deal
sáb, dez 14
10:18 am - 10:22 pmSTL-SJU
10h 04m2 stops
$216United Airlines
Find Deal
sáb, fev 22
5:45 am - 5:30 pmSTL-SJU
9h 45m2 stops
$247American Airlines
Find Deal
qua, jan 1
6:41 pm - 2:52 amSTL-SJU
6h 11m1 stop
9:15 pm - 11:24 pmSJU-STL
28h 09m1 stop
$395Frontier
Find Deal
ter, nov 26 - qua, dez 4
6:41 pm - 2:52 amSTL-SJU
6h 11m1 stop
10:44 pm - 3:21 pmSJU-STL
18h 37m2 stops
ter, nov 26 - qua, dez 4
5:21 pm - 7:49 pmSTL-SJU
24h 28m1 stop
3:59 am - 7:41 amSJU-STL
29h 42m1 stop
dom, nov 24 - seg, nov 25
5:21 pm - 10:07 amSTL-SJU
14h 46m2 stops
2:45 am - 4:26 pmSJU-STL
15h 41m2 stops
$609Spirit Airlines
Find Deal
dom, nov 24 - seg, nov 25
5:21 pm - 7:49 pmSTL-SJU
24h 28m1 stop
2:45 am - 4:26 pmSJU-STL
15h 41m2 stops
$614Spirit Airlines
Find Deal
dom, nov 24 - seg, nov 25
8:15 pm - 10:00 amSTL-SJU
11h 45m1 stop
3:20 pm - 11:10 pmSJU-STL
9h 50m2 stops
$654Southwest
Find Deal
sex, nov 22 - seg, nov 25
10:10 am - 12:36 amSTL-SJU
12h 26m2 stops
2:05 am - 3:34 pmSJU-STL
15h 29m2 stops
$664United Airlines
Find Deal
ter, nov 26 - ter, dez 3
1:55 pm - 12:40 amSTL-SJU
8h 45m2 stops
6:10 am - 7:05 pmSJU-STL
14h 55m2 stops
$714Southwest
Find Deal
sex, nov 22 - seg, nov 25
6:00 am - 2:31 pmSTL-SJU
6h 31m1 stop
4:30 pm - 10:45 pmSJU-STL
8h 15m1 stop
$719Delta
Find Deal
dom, nov 24 - sáb, nov 30
8:40 am - 9:26 pmSTL-SJU
10h 46m1 stop
2:05 am - 11:10 amSJU-STL
11h 05m1 stop
$854United Airlines
Find Deal
sex, nov 22 - dom, nov 24
12:50 pm - 7:05 pmSTL-SJU
4h 15mnonstop
12:40 pm - 3:45 pmSJU-STL
5h 05mnonstop
$1,022Southwest
Find Deal
sáb, jan 18 - sáb, jan 25

Frontier flights from St. Louis to Puerto Rico

Our best Frontier deals on St. Louis to Puerto Rico flight tickets
Frontier
Feb 1
STL5:05 pmLambert-St Louis
15h 32m
1 stop
SJU10:37 amSan Juan Luis Munoz Marin Intl
Feb 9
SJU3:53 pmSan Juan Luis Munoz Marin Intl
9h 38m
1 stop
STL11:31 pmLambert-St Louis
Frontier
Jan 18
STL5:05 pmLambert-St Louis
19h 43m
1 stop
SJU2:48 pmSan Juan Luis Munoz Marin Intl
Jan 22
SJU9:15 pmSan Juan Luis Munoz Marin Intl
28h 16m
1 stop
STL11:31 pmLambert-St Louis
Frontier
Jan 22
STL5:05 pmLambert-St Louis
14h 47m
1 stop
SJU9:52 amSan Juan Luis Munoz Marin Intl
Jan 27
SJU9:49 pmSan Juan Luis Munoz Marin Intl
27h 42m
1 stop
STL11:31 pmLambert-St Louis

Delta flights from St. Louis to Puerto Rico

Our best Delta deals on St. Louis to Puerto Rico flight tickets
Delta
Jan 21
STL11:09 amLambert-St Louis
10h 36m
1 stop
SJU11:45 pmSan Juan Luis Munoz Marin Intl
Jan 31
SJU3:23 pmSan Juan Luis Munoz Marin Intl
7h 33m
1 stop
STL8:56 pmLambert-St Louis
Delta
Jan 20
STL10:59 amLambert-St Louis
10h 46m
1 stop
SJU11:45 pmSan Juan Luis Munoz Marin Intl
Jan 25
SJU3:30 pmSan Juan Luis Munoz Marin Intl
10h 07m
1 stop
STL11:37 pmLambert-St Louis
Delta
Feb 11
STL6:00 amLambert-St Louis
9h 07m
1 stop
SJU5:07 pmSan Juan Luis Munoz Marin Intl
Feb 18
SJU7:30 amSan Juan Luis Munoz Marin Intl
10h 00m
1 stop
STL3:30 pmLambert-St Louis

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from St. Louis to Puerto Rico

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 cheapest St. Louis to Puerto Rico flight route?

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

Can stopping save me money on St. Louis to Puerto Rico flights?

You could potentially save up to 85% on your flight if you consider stops on a St. Louis to Puerto Rico flight.

Cheap St. Louis to Puerto Rico flight deals and tips

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

Best Price Found

$63

Fastest flight time

4h 15m

Direct flights

Sun

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from St. Louis in the past 72 hours is $63. The best round-trip flight deal from St. Louis to Puerto Rico found on momondo in the last 72 hours is $157.
The fastest flight from St. Louis to Puerto Rico takes 4h 15m
Direct flights go from St. Louis to Puerto Rico on Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Puerto Rico?

    Prices for flights from Lambert-St Louis Airport to Puerto Rico are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Puerto Rico?

  • How old do you have to be to fly from Lambert-St Louis Airport to Puerto Rico?

    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 Lambert-St Louis Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico 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 Puerto Rico. 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 St. Louis to Puerto Rico?


Best airlines flying from St. Louis to Puerto Rico

Compare and see reviews for airlines that fly from St. Louis to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $144Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $164Free CancellationRating
6.3
8,175 reviews
Search Spirit Airlines flights
DeltaPriceFrom $262Free CancellationRating
8.0
8,759 reviews
Search Delta flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
9,173 reviews
Search United Airlines flights
American AirlinesPriceFrom $301Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $374Free CancellationRating
8.1
5,015 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Puerto Rico?

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 Puerto Rico from St. Louis.

Can I find flights from St. Louis to Puerto Rico with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Puerto Rico flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Puerto Rico?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Puerto Rico.

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

Yes. momondo can track prices for St. Louis to Puerto Rico 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.


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