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Missouri

Cheap flights from San Juan to Missouri

SJU — STL
Nov 14 — Nov 211
Sat 11/14
Sat 11/21
1 adult, Economy
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Find flight deals from San Juan to Missouri

Popular in

July

Cheapest in

January

Average price

$316
Highest demand for flights based on searches. 17% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from San Juan to Missouri

How far ahead should I book a flight from San Juan to Missouri?

The price you pay for your flight from San Juan to Missouri may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Juan to Missouri?

Currently, April is the cheapest month in which you can book a flight from San Juan to Missouri (average of $346). Flying from San Juan to Missouri in July is currently the most expensive (average of $543). 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.

Reviews of airlines servicing Missouri

Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from San Juan to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,217 reviews

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.4

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Southwest
7.9
Good
4,217 reviews
Southwest
7.9
Good
4,217 reviews

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.4

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Delta
7.8
Good
8,652 reviews
Southwest
7.9
Good
4,217 reviews

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.4

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
American Airlines
7.0
Good
12,169 reviews
Southwest
7.9
Good
4,217 reviews

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.4

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Frontier
5.5
Fair
2,538 reviews
Southwest
7.9
Good
4,217 reviews

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.4

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • What are the cheapest airlines to fly from San Juan to Missouri one-way?

    One-way options have recently been found by users for as low as $98 on Frontier. Other airlines that offer cheap prices include Delta from $112 and American Airlines from $118 one-way.

  • What are the most popular routes from San Juan to Missouri?

    Most travelers choose San Juan Luis Munoz Marin Intl - Kansas City, San Juan Luis Munoz Marin Intl - Lambert-St Louis or San Juan Luis Munoz Marin Intl - Springfield-Branson when deciding on the best route from San Juan to Missouri.

  • Can I find deals for flights from San Juan to Missouri that include hotel bookings?

    Yes. In addition to deals on San Juan to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Missouri.

  • Can I find deals for business class flights from San Juan to Missouri?

    Yes. Cheapflights offers flight deals from San Juan to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Juan to Missouri?

    Currently, April is the cheapest month in which you can book a flight from San Juan to Missouri (average of $346). Flying from San Juan to Missouri in July is currently the most expensive (average of $543). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from San Juan to Missouri

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$326FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$235Average$478FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$326Average$481FlexibilityNo cancel feeOn-time63%

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