Cheap flights from St. Louis to San Juan from $74
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 San Juan departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Mo 4/29
Mo 5/6
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to San Juan by changing tabs
Frontier![Frontier]()
May 15![Frontier]()
May 22
STL5:56 pmLambert-St Louis
6h 58m
1 stop
SJU1:54 amSan Juan Luis Munoz Marin Intl
SJU10:15 pmSan Juan Luis Munoz Marin Intl
9h 53m
1 stop
STL7:08 amLambert-St Louis
Multiple Airlines![Multiple Airlines]()
May 18![Multiple Airlines]()
May 25
STL5:25 pmLambert-St Louis
13h 58m
1 stop
SJU8:23 amSan Juan Luis Munoz Marin Intl
SJU7:57 pmSan Juan Luis Munoz Marin Intl
22h 32m
1 stop
STL5:29 pmLambert-St Louis
Spirit Airlines![Spirit Airlines]()
May 4![Spirit Airlines]()
May 11
STL11:39 amLambert-St Louis
13h 05m
1 stop
SJU1:44 amSan Juan Luis Munoz Marin Intl
SJU4:00 amSan Juan Luis Munoz Marin Intl
7h 28m
1 stop
STL10:28 amLambert-St Louis
Frontier![Frontier]()
May 18![Frontier]()
May 22
STL5:25 pmLambert-St Louis
13h 58m
1 stop
SJU8:23 amSan Juan Luis Munoz Marin Intl
SJU10:15 pmSan Juan Luis Munoz Marin Intl
9h 53m
1 stop
STL7:08 amLambert-St Louis
Delta![Delta]()
May 19![Delta]()
May 23
STL6:00 amLambert-St Louis
9h 23m
1 stop
SJU4:23 pmSan Juan Luis Munoz Marin Intl
SJU2:31 pmSan Juan Luis Munoz Marin Intl
10h 09m
1 stop
STL11:40 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 American Airlines, Frontier and Spirit Airlines
Spirit Airlines![Spirit Airlines]()
May 28
STL10:34 amLambert-St Louis
7h 37m
1 stop
SJU7:11 pmSan Juan Luis Munoz Marin Intl
Search last-minute flights to San Juan from St. Louis
Find and compare round-trip flight prices for your last-minute flight from St. Louis to San Juan
Multiple Airlines![Multiple Airlines]()
May 4![Multiple Airlines]()
May 10
STL11:39 amLambert-St Louis
13h 31m
1 stop
SJU2:10 amSan Juan Luis Munoz Marin Intl
SJU11:33 amSan Juan Luis Munoz Marin Intl
29h 04m
1 stop
STL3:37 pmLambert-St Louis
Frontier![Frontier]()
May 1![Frontier]()
May 7
STL9:53 pmLambert-St Louis
11h 45m
1 stop
SJU10:38 amSan Juan Luis Munoz Marin Intl
SJU3:08 amSan Juan Luis Munoz Marin Intl
18h 45m
1 stop
STL8:53 pmLambert-St Louis
Spirit Airlines![Spirit Airlines]()
May 4![Spirit Airlines]()
May 11
STL11:39 amLambert-St Louis
13h 05m
1 stop
SJU1:44 amSan Juan Luis Munoz Marin Intl
SJU4:00 amSan Juan Luis Munoz Marin Intl
7h 28m
1 stop
STL10:28 amLambert-St Louis
Frontier![Frontier]()
Apr 30![Frontier]()
May 7
STL7:16 pmLambert-St Louis
14h 22m
1 stop
SJU10:38 amSan Juan Luis Munoz Marin Intl
SJU7:43 pmSan Juan Luis Munoz Marin Intl
26h 10m
1 stop
STL8:53 pmLambert-St Louis
Multiple Airlines![Multiple Airlines]()
May 4![Multiple Airlines]()
May 12
STL11:39 amLambert-St Louis
13h 31m
1 stop
SJU2:10 amSan Juan Luis Munoz Marin Intl
SJU7:43 pmSan Juan Luis Munoz Marin Intl
25h 28m
1 stop
STL8:11 pmLambert-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
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $142 | Free Cancellation | Rating 6.3 4,139 reviews | |||
| PriceFrom $154 | Free Cancellation | Rating 6.4 8,754 reviews | |||
| PriceFrom $271 | Free Cancellation | Rating 8.0 11,004 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 7.3 14,898 reviews | |||
| PriceFrom $280 | Free Cancellation | Rating 7.4 11,255 reviews | |||
| PriceFrom $11,685 | Free Cancellation | Rating 0.0 0 reviews |
Spirit Airlines flights from St. Louis to San Juan
Our best Spirit Airlines deals on St. Louis to San Juan flight tickets
Spirit Airlines![Spirit Airlines]()
May 4![Spirit Airlines]()
May 11
STL11:39 amLambert-St Louis
13h 05m
1 stop
SJU1:44 amSan Juan Luis Munoz Marin Intl
SJU4:00 amSan Juan Luis Munoz Marin Intl
7h 28m
1 stop
STL10:28 amLambert-St Louis
Spirit Airlines![Spirit Airlines]()
May 28![Spirit Airlines]()
Jun 1
STL10:34 amLambert-St Louis
7h 37m
1 stop
SJU7:11 pmSan Juan Luis Munoz Marin Intl
SJU5:00 amSan Juan Luis Munoz Marin Intl
6h 28m
1 stop
STL10:28 amLambert-St Louis
Frontier flights from St. Louis to San Juan
Our best Frontier deals on St. Louis to San Juan flight tickets
Frontier![Frontier]()
May 15![Frontier]()
May 22
STL5:56 pmLambert-St Louis
6h 58m
1 stop
SJU1:54 amSan Juan Luis Munoz Marin Intl
SJU10:15 pmSan Juan Luis Munoz Marin Intl
9h 53m
1 stop
STL7:08 amLambert-St Louis
Frontier![Frontier]()
May 18![Frontier]()
May 22
STL5:25 pmLambert-St Louis
13h 58m
1 stop
SJU8:23 amSan Juan Luis Munoz Marin Intl
SJU10:15 pmSan Juan Luis Munoz Marin Intl
9h 53m
1 stop
STL7:08 amLambert-St Louis
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?
April. The cheapest time of year to fly to San Juan from St. Louis is April. Most expensive is June
What is the cheapest day to depart St. Louis for San Juan?
Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Friday
When is the cheapest time to fly from St. Louis to San Juan?
In the evening. St. Louis to San Juan flights are approximately 41% more expensive in the morning than in the evening
What is the cheapest airline that flies to San Juan from St. Louis?
Frontier. 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?
43 days before. The cheapest time to buy a flight from St. Louis to San Juan is approximately 43 days to departure
How many flights depart from St. Louis to San Juan on average per week?
The number of flights available between St. Louis and San Juan is 2 per week as of April 2024. The most frequent departure day is Saturday, with 100% of weekly flights leaving on this day.
Cheap St. Louis to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to San Juan
Best Price Found | $74 |
|---|---|
Fastest flight time | 6h 29m |
Direct flights | None |
Airports in San Juan | 1 airport |
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 6h 29m.
When did momondo last update prices for flights from Lambert-St Louis Airport to San Juan?
Prices for flights from Lambert-St Louis Airport to San Juan are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to San Juan?
The number of operators available for flights from Lambert-St Louis Airport to San Juan is 6 as of April 2024.
How old do you have to be to fly from Lambert-St Louis Airport to San Juan?
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 San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents you'll need for your trip to San Juan 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 San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to San Juan?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to San Juan. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to San Juan with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to San Juan flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to San Juan?
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 San Juan.
I’m not ready to book a flight from St. Louis to San Juan right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to San Juan 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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