Cheap flights from St. Louis to San Juan from $62

Round-trip
1 adult
Economy
From?
To?
Mon 10/25
Mon 11/1

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Lambert-St Louis to San Juan.
View current Puerto Rico travel restrictions

Flight information for St. Louis to San Juan

Find info about flight duration, direct flights, and airports for your flight from St. Louis to San Juan
Best Price Found$108The best flight deal from St. Louis to San Juan found on momondo in the last 72 hours is $108
Fastest flight time5h 56mThe fastest flight from St. Louis to San Juan takes 5h 56m
Direct flightsNoneThere are no direct flights from St. Louis to San Juan. Popular non-direct route for this connection is Lambert-St Louis Airport - San Juan Luis Munoz Marin Intl Airport.
Airports in San Juan2 airportsThere are 2 airports near San Juan: San Juan Isla Grande (SIG), San Juan Luis Munoz Marin Intl (SJU)

How to get the cheapest flight ticket from St. Louis 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 cheapest month to fly from St. Louis to San Juan?

August

The cheapest time of year to fly to San Juan from St. Louis is August. Most expensive is December

What is the cheapest airline that flies to San Juan from St. Louis?

Southwest

American Airlines, Delta, and Frontier are the most popular carriers operating from St. Louis to San Juan

What is the cheapest St. Louis to San Juan 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 - San Juan flight prices

How far in advance should you book St. Louis to San Juan flights?

14 days before

The cheapest time to buy a flight from St. Louis to San Juan is approximately 14 days to departure


Easily compare round-trip flights from St. Louis to San Juan

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to San Juan by changing tabs
Spirit Airlines
Jan 19
STL1:38 pmLambert-St Louis
6h 25m
1 stop
SJU8:03 pmSan Juan Luis Munoz Marin Intl
Jan 25
SJU11:40 pmSan Juan Luis Munoz Marin Intl
7h 05m
1 stop
STL6:45 amLambert-St Louis
Multiple Airlines
Jan 19
STL1:38 pmLambert-St Louis
6h 25m
1 stop
SJU8:03 pmSan Juan Luis Munoz Marin Intl
Jan 26
SJU1:15 pmSan Juan Luis Munoz Marin Intl
26h 35m
1 stop
STL3:50 pmLambert-St Louis
Frontier
Dec 2
STL4:58 amLambert-St Louis
11h 59m
1 stop
SJU4:57 pmSan Juan Luis Munoz Marin Intl
Dec 6
SJU10:45 pmSan Juan Luis Munoz Marin Intl
10h 05m
1 stop
STL8:50 amLambert-St Louis
Spirit Airlines
Jan 19
STL1:00 amLambert-St Louis
19h 19m
2 stops
SJU8:19 pmSan Juan Luis Munoz Marin Intl
Jan 25
SJU11:40 pmSan Juan Luis Munoz Marin Intl
7h 05m
1 stop
STL6:45 amLambert-St Louis
Spirit Airlines
Jan 20
STL1:38 pmLambert-St Louis
6h 25m
1 stop
SJU8:03 pmSan Juan Luis Munoz Marin Intl
Jan 25
SJU11:40 pmSan Juan Luis Munoz Marin Intl
7h 05m
1 stop
STL6:45 amLambert-St Louis
Multiple Airlines
Feb 9
STL1:38 pmLambert-St Louis
6h 25m
1 stop
SJU8:03 pmSan Juan Luis Munoz Marin Intl
Feb 14
SJU8:45 amSan Juan Luis Munoz Marin Intl
7h 29m
1 stop
STL4:14 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to San Juan

If you're looking for one-way flights from St. Louis to San Juan, view some of our deals below provided by Frontier and Spirit Airlines
Spirit Airlines
Dec 4
STL1:19 amLambert-St Louis
14h 25m
1 stop
SJU3:44 pmSan Juan Luis Munoz Marin Intl
Frontier
Nov 2
STL7:18 amLambert-St Louis
27h 48m
2 stops
SJU11:06 amSan Juan Luis Munoz Marin Intl
Multiple Airlines
Nov 20
STL1:30 amLambert-St Louis
21h 41m
2 stops
SJU11:11 pmSan Juan Luis Munoz Marin Intl

Search last-minute flights to San Juan from St. Louis

Find and compare flight prices for your last-minute flight from St. Louis to San Juan
Spirit Airlines
Oct 26
STL3:00 amLambert-St Louis
14h 26m
1 stop
SJU5:26 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU12:25 amSan Juan Luis Munoz Marin Intl
9h 07m
1 stop
STL9:32 amLambert-St Louis
Multiple Airlines
Oct 29
STL3:00 amLambert-St Louis
12h 42m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU11:29 pmSan Juan Luis Munoz Marin Intl
14h 58m
1 stop
STL2:27 pmLambert-St Louis
Frontier
Oct 28
STL10:19 amLambert-St Louis
10h 55m
1 stop
SJU9:14 pmSan Juan Luis Munoz Marin Intl
Nov 1
SJU11:29 pmSan Juan Luis Munoz Marin Intl
31h 54m
2 stops
STL7:23 amLambert-St Louis
Spirit Airlines
Oct 26
STL3:00 amLambert-St Louis
14h 26m
1 stop
SJU5:26 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU7:30 pmSan Juan Luis Munoz Marin Intl
14h 02m
2 stops
STL9:32 amLambert-St Louis
Spirit Airlines
Oct 28
STL4:10 pmLambert-St Louis
29h 19m
1 stop
SJU9:29 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU1:02 pmSan Juan Luis Munoz Marin Intl
20h 30m
2 stops
STL9:32 amLambert-St Louis
Spirit Airlines
Oct 29
STL4:10 pmLambert-St Louis
29h 19m
1 stop
SJU9:29 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU2:30 pmSan Juan Luis Munoz Marin Intl
19h 02m
2 stops
STL9:32 amLambert-St Louis

Best airlines flying from St. Louis to San Juan

Compare and see reviews for airlines that fly from St. Louis to San Juan with momondo
AirlineRatingFree CancellationPrice
United Airlines
PriceFrom $153
Free Cancellation
Rating
6.9
7.3

Boarding

6.7

Comfort

7.5

Crew

6.7

Entertainment

6.2

Food

Reviews

Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!

1 / 10
Frontier
PriceFrom $161
Free Cancellation
Rating
6.3
6.6

Boarding

6.0

Comfort

7.1

Crew

4.8

Entertainment

5.1

Food

Reviews

Efficient, friendly crew! No food unless for purchase or entertainment. But I didn’t care about those. Friendly staff! Personable

1 / 10
Delta
PriceFrom $168
Free Cancellation
Rating
8.2
8.2

Boarding

8.4

Comfort

8.3

Crew

8.1

Entertainment

8.0

Food

Reviews

Great

1 / 10
American Airlines
PriceFrom $172
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
Southwest
PriceFrom $196
Free Cancellation
Rating
8.2
8.3

Boarding

8.1

Comfort

8.5

Crew

7.3

Entertainment

7.5

Food

Reviews

Delayed flight

1 / 10

  • Are airlines flying from Lambert-St Louis to San Juan offering flexible cancellation due to COVID-19?

    Due to the global impact of COVID-19, some of our airline partners operating flights from Lambert-St Louis to San Juan, such as American Airlines, Delta, and United Airlines may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.

  • How far is Lambert-St Louis to San Juan by plane?

    There are 2005.8 mi between Lambert-St Louis and San Juan. In terms of flight time, this usually takes a little over 5h 52m.


Can I fly to San Juan from Lambert-St Louis right now?

Information is based on travel restrictions from Lambert-St Louis to San Juan

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter San Juan.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) test taken 72 hours before departing to San Juan.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering San Juan.

Documents
Travel Declaration Form - Must be completed prior to travel to Puerto Rico.


Can I fly back to Lambert-St Louis from San Juan?

Returning to Lambert-St Louis from San Juan

COVID-19 testing requirements
Visitors from San Juan must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from San Juan are not required to quarantine after entering Lambert-St Louis.

If you are planning to travel to San Juan at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for St. Louis to San Juan

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Kansas City to San Juan Flights
Fastest flight time6h 58m
Cheapest price$128

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