$88+ Cheap flights from San Juan to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STL
May 28 — Jun 41
Round-trip
1 adult, Economy
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Find cheap flights from San Juan to St. Louis with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
One-way
Cheapest flights from San Juan to St. LouisExplore the most affordable flight options available from San Juan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
Explore the most affordable flight options available from San Juan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
This Frontier deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:33 pm
SJU
- STL
1 stop9h 48m
Frontier
Mon 5/184:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 4/23![Frontier logo]()
$211
This eDestinos deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:31 pm
SJU
- STL
1 stop6h 28m
Frontier
Tue 8/254:10 pm
STL
- SJU
1 stop8h 44m
Frontier
Deal found 4/23![Frontier logo]()
$234
This CheapOair deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:59 am
SJU
- STL
1 stop16h 22m
Frontier
Sun 5/104:19 pm
STL
- SJU
1 stop14h 45m
Frontier
Deal found 4/23![Frontier logo]()
$246
This Priceline deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
SJU
- STL
1 stop18h 57m
Frontier
Sat 7/44:17 pm
STL
- SJU
1 stop14h 40m
Frontier
Deal found 4/24![Frontier logo]()
$249
This Trip.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:09 am
SJU
- STL
1 stop16h 12m
Frontier
Wed 5/205:27 pm
STL
- SJU
2 stops21h 28m
Frontier
Deal found 4/24![Frontier logo]()
$255
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:45 pm
SJU
- STL
1 stop6h 52m
Delta
Tue 8/256:00 am
STL
- SJU
1 stop6h 30m
Delta
Deal found 4/23![Delta logo]()
$258
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:51 am
SJU
- STL
1 stop17h 32m
American Airlines
Tue 8/257:23 am
STL
- SJU
2 stops10h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:14 pm
SJU
- STL
1 stop16h 31m
American Airlines
Wed 8/267:23 am
STL
- SJU
2 stops10h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$269
This Frontier deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:28 am
SJU
- STL
1 stop13h 51m
Frontier
Fri 5/154:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 4/25![Frontier logo]()
$271
Best flights from San Juan to St. LouisDiscover carefully curated flight deals from San Juan to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from San Juan to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This Priceline deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:25 am
SJU
- STL
1 stop14h 06m
Frontier
Sat 5/304:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 4/27![Frontier logo]()
$334
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 pm
SJU
- STL
1 stop11h 50m
Southwest
Tue 8/2510:15 am
STL
- SJU
2 stops7h 45m
Southwest
Deal found 4/24![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:00 am
SJU
- STL
2 stops12h 11m
United Airlines
Sat 6/209:23 am
STL
- SJU
1 stop10h 11m
United Airlines
Deal found 4/25![United Airlines logo]()
$557
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:30 am
SJU
- STL
2 stops10h 40m
Southwest
Mon 8/175:10 am
STL
- SJU
1 stop7h 35m
Southwest
Deal found 4/27![Southwest logo]()
$336
This eDestinos deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:30 am
SJU
- STL
2 stops27h 25m
Frontier
Tue 6/26:33 pm
STL
- SJU
2 stops28h 26m
Frontier
Deal found 4/23![Frontier logo]()
$378
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:50 am
SJU
- STL
2 stops10h 45m
Southwest
Sun 6/214:20 pm
STL
- SJU
1 stop7h 05m
Southwest
Deal found 4/27![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:20 pm
SJU
- STL
1 stop11h 20m
Southwest
Mon 7/66:15 pm
STL
- SJU
1 stop6h 05m
Southwest
Deal found 4/23![Southwest logo]()
$467
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:20 am
SJU
- STL
2 stops13h 31m
United Airlines
Mon 5/186:00 am
STL
- SJU
1 stop8h 42m
United Airlines
Deal found 4/25![United Airlines logo]()
$616
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:00 am
SJU
- STL
2 stops8h 45m
Southwest
Sat 7/185:25 pm
STL
- SJU
1 stop6h 20m
Southwest
Deal found 4/23![Southwest logo]()
$493
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:20 am
SJU
- STL
2 stops11h 30m
Southwest
Thu 7/92:25 pm
STL
- SJU
2 stops8h 40m
Southwest
Deal found 4/25![Southwest logo]()
$596
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:00 am
SJU
- STL
2 stops13h 55m
Southwest
Sat 7/119:50 am
STL
- SJU
2 stops9h 45m
Southwest
Deal found 4/24![Southwest logo]()
$613
Last-minute flights from San Juan to St. LouisDiscover last-minute flight deals from San Juan to St. Louis. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to St. Louis. Data last updated April 28, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:28 am
SJU
- STL
1 stop13h 51m
Frontier
Fri 5/154:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 4/25![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:59 am
SJU
- STL
1 stop16h 22m
Frontier
Sun 5/104:19 pm
STL
- SJU
1 stop14h 45m
Frontier
Deal found 4/23![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:33 pm
SJU
- STL
1 stop9h 48m
Frontier
Sat 5/94:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 4/24![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:33 pm
SJU
- STL
1 stop9h 48m
Frontier
Mon 5/184:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 4/23![Frontier logo]()
$211
This Trip.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:09 am
SJU
- STL
1 stop16h 12m
Frontier
Wed 5/205:27 pm
STL
- SJU
2 stops21h 28m
Frontier
Deal found 4/24![Frontier logo]()
$255
This Priceline deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:25 am
SJU
- STL
1 stop14h 06m
Frontier
Thu 5/283:30 pm
STL
- SJU
1 stop12h 19m
Frontier
Deal found 4/27![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Thu 6/46:33 pm
STL
- SJU
2 stops27h 49m
Frontier
Deal found 4/27![Frontier logo]()
$289
This Priceline deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
SJU
- STL
1 stop18h 57m
Frontier
Sat 7/44:17 pm
STL
- SJU
1 stop14h 40m
Frontier
Deal found 4/24![Frontier logo]()
$249
One-way flights from San Juan to St. LouisSearch for one-way flight options from San Juan to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from San Juan to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:25 am
SJU
- STL
1 stop14h 06m
Frontier
Deal found 4/27![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:31 pm
SJU
- STL
1 stop6h 28m
Frontier
Deal found 4/27![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:25 am
SJU
- STL
1 stop13h 09m
Frontier
Deal found 4/26![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:04 pm
SJU
- STL
2 stops23h 29m
Frontier
Deal found 4/27![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
SJU
- STL
2 stops27h 55m
Frontier
Deal found 4/27![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:16 pm
SJU
- STL
1 stop6h 53m
Frontier
Deal found 4/27![Frontier logo]()
$138
This Expedia deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
SJU
- STL
1 stop18h 59m
Frontier
Deal found 4/25![Frontier logo]()
$144
Find flight deals from San Juan to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2026.
Round-trip from | $211 (Frontier) |
|---|---|
One-way from | $88 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $346 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
Use the filters below to find and compare flights from San Juan to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Sat 5/23
6:25 am-7:31 pm
1 stop14h 06m
Lambert-St Louis
Sat 5/30
4:19 pm-2:08 am
1 stop8h 49m
$334
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 8/13
8:55 pm-7:45 am
1 stop11h 50m
Lambert-St Louis
Tue 8/25
10:15 am-7:00 pm
2 stops7h 45m
$336
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 8/13
5:30 am-3:10 pm
2 stops10h 40m
Lambert-St Louis
Mon 8/17
5:10 am-1:45 pm
1 stop7h 35m
$336
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Tue 5/19
6:30 am-8:55 am
2 stops27h 25m
Lambert-St Louis
Tue 6/2
6:33 pm-11:59 pm
2 stops28h 26m
$378
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Fri 6/19
9:50 am-7:35 pm
2 stops10h 45m
Lambert-St Louis
Sun 6/21
4:20 pm-12:25 am
1 stop7h 05m
$467
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Fri 7/3
10:20 pm-8:40 am
1 stop11h 20m
Lambert-St Louis
Mon 7/6
6:15 pm-1:20 am
1 stop6h 05m
$467
Quickest round-trip
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Tue 7/14
7:00 am-2:45 pm
2 stops8h 45m
Lambert-St Louis
Sat 7/18
5:25 pm-12:45 am
1 stop6h 20m
$493
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Wed 6/17
1:00 am-12:11 pm
2 stops12h 11m
Lambert-St Louis
Sat 6/20
9:23 am-8:34 pm
1 stop10h 11m
$557
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 6/25
10:20 am-8:50 pm
2 stops11h 30m
Lambert-St Louis
Thu 7/9
2:25 pm-12:05 am
2 stops8h 40m
$596
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Sat 6/13
5:00 am-5:55 pm
2 stops13h 55m
Lambert-St Louis
Sat 7/11
9:50 am-8:35 pm
2 stops9h 45m
$613
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from San Juan to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from San Juan with our price prediction graph.
PR1-STL
SJU-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to St. Louis
PR1-STL
SJU-STL
How far ahead should I book a flight from San Juan to St. Louis?
Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Juan to St. Louis?
Currently, December is the cheapest month in which you can book a flight from San Juan to St. Louis (average of $84). Flying from San Juan to St. Louis in August is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Juan to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 28, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from San Juan to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from San Juan to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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San Juan and St. Louis flights
Browse other San Juan and St. Louis flight options. Last updated on April 28, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Top 4 airlines flying from San Juan to St. Louis
Discover the top 4 airlines that operate flights from San Juan to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$318 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$170 | Average$530 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$379 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$595 | FlexibilityNo cancel fee | On-time63% |