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Cheap flights from St. Louis to Puerto Rico from $64

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
2:51 pm - 11:31 pmSJU-STL
10h 40m1 stop
$136Frontier
Find Deal
sáb., ene. 25 - jue., ene. 30
5:05 pm - 10:23 amSTL-SJU
15h 18m1 stop
9:49 pm - 11:31 pmSJU-STL
27h 42m1 stop
$139Frontier
Find Deal
mar., ene. 28 - lun., feb. 3
10:49 am - 10:35 pmSTL-SJU
9h 46m2 stops
8:15 am - 2:52 pmSJU-STL
8h 37m1 stop
$254American Airlines
Find Deal
sáb., feb. 22 - mié., feb. 26
11:38 am - 12:04 amSTL-SJU
10h 26m2 stops
2:30 pm - 11:46 pmSJU-STL
11h 16m2 stops
$260American Airlines
Find Deal
lun., ene. 13 - vie., ene. 24
4:28 pm - 9:21 amSTL-SJU
14h 53m1 stop
10:16 am - 2:43 pmSJU-STL
30h 27m2 stops
$270Spirit Airlines
Find Deal
jue., feb. 6 - lun., feb. 10
10:59 am - 11:46 pmSTL-SJU
10h 47m1 stop
6:24 pm - 11:37 pmSJU-STL
7h 13m1 stop
$304Delta
Find Deal
dom., ene. 19 - mar., ene. 28
11:30 am - 12:36 amSTL-SJU
11h 06m2 stops
2:05 am - 11:17 amSJU-STL
11h 12m1 stop
$313United Airlines
Find Deal
mar., feb. 4 - vie., feb. 14
4:00 pm - 11:25 pmSTL-SJU
29h 25m1 stop
2:47 pm - 2:42 pmSJU-STL
25h 55m2 stops
$322Spirit Airlines
Find Deal
jue., feb. 20 - lun., feb. 24
6:15 am - 4:36 pmSTL-SJU
8h 21m1 stop
2:05 am - 3:31 pmSJU-STL
15h 26m2 stops
$332United Airlines
Find Deal
dom., mar. 2 - mié., mar. 5
10:59 am - 11:46 pmSTL-SJU
10h 47m1 stop
2:00 pm - 8:02 pmSJU-STL
8h 02m1 stop
$383Delta
Find Deal
sáb., ene. 18 - vie., ene. 24
5:05 pm - 2:19 amSTL-SJU
7h 14m1 stop
$64Frontier
Find Deal
lun., ene. 20
5:05 pm - 10:37 amSTL-SJU
15h 32m1 stop
$67Frontier
Find Deal
sáb., feb. 8
4:00 pm - 11:25 pmSTL-SJU
29h 25m1 stop
$124Spirit Airlines
Find Deal
jue., feb. 20
10:59 am - 9:06 pmSTL-SJU
8h 07m1 stop
$127Delta
Find Deal
dom., ene. 19
5:23 am - 5:30 pmSTL-SJU
10h 07m2 stops
$129American Airlines
Find Deal
lun., feb. 10
7:15 am - 5:14 pmSTL-SJU
7h 59m1 stop
$147Delta
Find Deal
lun., ene. 20
9:44 am - 10:22 pmSTL-SJU
10h 38m2 stops
$172United Airlines
Find Deal
mié., ene. 22
12:00 pm - 12:04 amSTL-SJU
10h 04m2 stops
$192American Airlines
Find Deal
mié., ene. 15
8:00 am - 10:22 pmSTL-SJU
12h 22m2 stops
$202United Airlines
Find Deal
jue., ene. 23
3:48 pm - 5:01 pmSTL-SJU
23h 13m3 stops
$211Spirit Airlines
Find Deal
mar., feb. 11
5:45 pm - 9:25 amSTL-SJU
13h 40m1 stop
8:00 am - 7:20 pmSJU-STL
13h 20m1 stop
$413Frontier
Find Deal
lun., dic. 23 - jue., dic. 26
5:45 pm - 1:20 pmSTL-SJU
17h 35m1 stop
3:59 am - 11:40 pmSJU-STL
21h 41m1 stop
$479Frontier
Find Deal
lun., dic. 23 - jue., dic. 26
5:45 pm - 8:56 pmSTL-SJU
25h 11m1 stop
6:00 am - 11:40 pmSJU-STL
19h 40m1 stop
$509Frontier
Find Deal
lun., dic. 23 - vie., dic. 27
7:15 am - 5:15 pmSTL-SJU
8h 00m1 stop
3:30 pm - 9:59 pmSJU-STL
8h 29m1 stop
$614Delta
Find Deal
mar., dic. 24 - sáb., dic. 28
6:29 am - 3:50 pmSTL-SJU
7h 21m1 stop
3:33 pm - 9:35 pmSJU-STL
8h 02m1 stop
$654Delta
Find Deal
lun., dic. 23 - lun., dic. 30
6:30 am - 11:10 pmSTL-SJU
14h 40m2 stops
5:18 am - 1:37 pmSJU-STL
10h 19m2 stops
$694American Airlines
Find Deal
mar., dic. 24 - dom., dic. 29
11:30 am - 8:55 pmSTL-SJU
7h 25m1 stop
2:05 am - 2:24 pmSJU-STL
14h 19m2 stops
$727United Airlines
Find Deal
mar., dic. 24 - mié., dic. 25
5:03 am - 5:30 pmSTL-SJU
10h 27m2 stops
5:18 am - 1:37 pmSJU-STL
10h 19m2 stops
$794American Airlines
Find Deal
lun., dic. 23 - mié., ene. 1
8:00 am - 9:26 pmSTL-SJU
11h 26m2 stops
2:05 am - 12:26 pmSJU-STL
12h 21m2 stops
$818United Airlines
Find Deal
lun., dic. 23 - vie., dic. 27
4:27 pm - 8:22 pmSTL-SJU
25h 55m1 stop
2:32 am - 5:02 pmSJU-STL
16h 30m2 stops
$966Spirit Airlines
Find Deal
jue., dic. 26 - vie., ene. 3
1:25 pm - 6:50 pmSTL-SJU
4h 25mnonstop
4:00 pm - 8:00 pmSJU-STL
5h 00mnonstop
$499Southwest
Find Deal
sáb., abr. 12 - sáb., abr. 19
12:50 pm - 7:05 pmSTL-SJU
4h 15mnonstop
12:40 pm - 3:45 pmSJU-STL
5h 05mnonstop
$589Southwest
Find Deal
sáb., ene. 11 - sáb., ene. 18
12:50 pm - 7:05 pmSTL-SJU
4h 15mnonstop
3:45 pm - 7:00 pmSJU-STL
5h 15mnonstop
$600Southwest
Find Deal
sáb., feb. 22 - sáb., mar. 1
12:50 pm - 7:05 pmSTL-SJU
4h 15mnonstop
3:45 pm - 7:00 pmSJU-STL
5h 15mnonstop
$795Southwest
Find Deal
sáb., feb. 15 - sáb., feb. 22

American Airlines flights from St. Louis to Puerto Rico

Our best American Airlines deals on St. Louis to Puerto Rico flight tickets
American Airlines
Feb 22
STL10:49 amLambert-St Louis
9h 46m
2 stops
SJU10:35 pmSan Juan Luis Munoz Marin Intl
Feb 26
SJU8:15 amSan Juan Luis Munoz Marin Intl
8h 37m
1 stop
STL2:52 pmLambert-St Louis
American Airlines
Jan 13
STL11:38 amLambert-St Louis
10h 26m
2 stops
SJU12:04 amSan Juan Luis Munoz Marin Intl
Jan 24
SJU2:30 pmSan Juan Luis Munoz Marin Intl
11h 16m
2 stops
STL11:46 pmLambert-St Louis
American Airlines
Jan 13
STL5:40 amLambert-St Louis
13h 58m
2 stops
SJU9:38 pmSan Juan Luis Munoz Marin Intl
Jan 23
SJU3:36 pmSan Juan Luis Munoz Marin Intl
8h 33m
1 stop
STL10:09 pmLambert-St Louis

Frontier flights from St. Louis to Puerto Rico

Our best Frontier deals on St. Louis to Puerto Rico flight tickets
Frontier
Jan 25
STL5:05 pmLambert-St Louis
15h 32m
1 stop
SJU10:37 amSan Juan Luis Munoz Marin Intl
Jan 30
SJU2:51 pmSan Juan Luis Munoz Marin Intl
10h 40m
1 stop
STL11:31 pmLambert-St Louis
Frontier
Jan 28
STL5:05 pmLambert-St Louis
15h 18m
1 stop
SJU10:23 amSan Juan Luis Munoz Marin Intl
Feb 3
SJU9:49 pmSan Juan Luis Munoz Marin Intl
27h 42m
1 stop
STL11:31 pmLambert-St Louis
Frontier
Feb 1
STL5:05 pmLambert-St Louis
19h 43m
1 stop
SJU2:48 pmSan Juan Luis Munoz Marin Intl
Feb 5
SJU9:15 pmSan Juan Luis Munoz Marin Intl
28h 16m
1 stop
STL11:31 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 month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in April, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $353.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $404. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $492.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from St. Louis to Puerto Rico during this time can be as low as $310. In contrast, the most expensive time of day to depart to Puerto Rico is at noon when prices are around $495.

What is the cheapest Lambert-St Louis to Puerto Rico flight route?

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

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

The best time to book a flight to Puerto Rico from St. Louis is 59 days out, which is when prices tend to be around $442. However, in the past 72 hours, people saw flights from St. Louis for as low as $185.

What cabin class options are available on Lambert-St Louis to Puerto Rico flights?

There are 1 cabin classes available to choose from on Lambert-St Louis to Puerto Rico 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 St. Louis to Puerto Rico flights?

You could potentially save up to 42% 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

$64

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 $64. The best round-trip flight deal from St. Louis to Puerto Rico found on momondo in the last 72 hours is $136.
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
3,474 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,112 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
9,035 reviews
Search United Airlines flights
DeltaPriceFrom $264Free CancellationRating
8.0
8,597 reviews
Search Delta flights
American AirlinesPriceFrom $281Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $374Free CancellationRating
8.1
4,814 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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