$105 Find Cheap Flights from Missouri to Puerto Rico

1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Puerto Rico

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$105
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly with an average 44% increase in price.
Flight from St. Louis to San Juan

FAQs for booking flights from Missouri to Puerto Rico

  • How does KAYAK find such low prices on flights from Missouri to Puerto Rico?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Puerto Rico.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Puerto Rico?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Missouri to Puerto Rico is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to Puerto Rico?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Missouri to Puerto Rico with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Puerto Rico?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Missouri to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Puerto Rico?

    Based on KAYAK data, the cheapest day to fly to Puerto Rico is Wednesday where round-trip tickets can be as cheap as $404. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $590 on average.

  • What is the cheapest time of day to fly to Puerto Rico?

    The cheapest time of day to fly to Puerto Rico is generally at night, when round-trip flights cost $310 on average. Morning departures are around 66% more expensive than evening flights, on average. The most expensive time of day to fly to Puerto Rico is generally in the morning, which is peak travel time and where the average cost of a ticket is $590.

  • What is the cheapest flight to Puerto Rico?

    The cheapest ticket to Puerto Rico from Missouri found in the last 72 hours was to San Juan Luis Munoz Marin Intl Airport, at $590 round-trip. The most popular route is St. Louis (STL) to San Juan Luis Munoz Marin Intl Airport (SJU) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $590.

  • What is the cheapest month to fly from Missouri to Puerto Rico?

    The cheapest month for flights from Missouri to Puerto Rico is September, when tickets cost $328 (return) on average. On the other hand, the most expensive months are December and November, when the average cost of round-trip tickets is $529 and $469 respectively.

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

    To get a below average price on the flight from Missouri to Puerto Rico, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

  • How long is the flight to Puerto Rico?

    An average nonstop flight from Missouri to Puerto Rico takes 13h 57m, covering a distance of 2122 miles. The shortest route is St. Louis (STL) to San Juan Luis Munoz Marin Intl Airport (SJU) with an average flight time of 4h 25m.

  • What are the most popular destinations in Puerto Rico?

    Based on KAYAK flight searches, the most popular destination is Culebra (67% of total searches to Puerto Rico). The next most popular destination is Aguadilla (33%).

Book cheap flights from Missouri to Puerto Rico

Recent round-trip flight deals

7/12Sat
1 stopDelta
11h 13mSTL-SJU
7/15Tue
1 stopDelta
11h 03mSJU-STL
$209
5/24Sat
1 stopAmerican Airlines
15h 44mSTL-SJU
5/27Tue
1 stopAmerican Airlines
16h 33mSJU-STL
$244
5/24Sat
1 stopSpirit Airlines
7h 57mSTL-SJU
6/7Sat
1 stopSpirit Airlines
12h 52mSJU-STL
$272
5/27Tue
1 stopUnited Airlines
8h 44mSTL-SJU
6/3Tue
1 stopUnited Airlines
7h 49mSJU-STL
$274
5/19Mon
1 stopFrontier
8h 06mSTL-SJU
5/29Thu
1 stopFrontier
7h 57mSJU-STL
$308
5/10Sat
1 stopFrontier
13h 51mSTL-SJU
5/17Sat
1 stopFrontier
21h 10mSJU-STL
$309
5/17Sat
1 stopSpirit Airlines
6h 41mMCI-SJU
5/22Thu
1 stopSpirit Airlines
15h 19mSJU-MCI
$310
5/27Tue
1 stopUnited Airlines
8h 44mSTL-SJU
6/2Mon
1 stopUnited Airlines
9h 34mSJU-STL
$316
5/29Thu
1 stop
7h 57mSTL-SJU
6/1Sun
1 stop
21h 09mSJU-STL
$323
5/24Sat
1 stop
7h 57mSTL-SJU
5/26Mon
1 stop
21h 08mSJU-STL
$338

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/8Tue
1 stopDelta
10h 37mSTL-SJU
$105
8/12Tue
2 stopsAmerican Airlines
9h 50mSTL-SJU
$110
8/18Mon
2 stopsUnited Airlines
11h 00mSTL-SJU
$123
8/18Mon
2 stopsUnited Airlines
11h 00mSTL-SJU
$128
5/24Sat
1 stopSpirit Airlines
9h 09mMCI-SJU
$134
5/29Thu
1 stopSpirit Airlines
7h 57mSTL-SJU
$135
5/13Tue
1 stopFrontier
8h 06mSTL-SJU
$149
5/30Fri
1 stopFrontier
7h 47mSTL-SJU
$159
6/2Mon
2 stops
27h 16mSTL-SJU
$208
5/31Sat
3 stops
29h 52mSTL-SJU
$214

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Puerto Rico

Last minute flight, train and bus deals

5/5Mon
multi-stopFrontier
16h 11mSTL-SJU
5/10Sat
multi-stopFrontier
13h 01mSJU-STL
$299
5/5Mon
multi-stopFrontier
8h 06mSTL-SJU
5/10Sat
multi-stopFrontier
13h 01mSJU-STL
$328
5/3Sat
multi-stopFrontier
13h 51mSTL-SJU
5/16Fri
multi-stopFrontier
21h 10mSJU-STL
$329
5/2Fri
multi-stop
16h 01mSTL-SJU
5/6Tue
multi-stop
8h 50mSJU-STL
$356
5/5Mon
multi-stopDelta
7h 51mMCI-SJU
5/13Tue
multi-stopDelta
6h 55mSJU-MCI
$468
5/2Fri
multi-stop
29h 40mSTL-SJU
5/6Tue
multi-stop
8h 50mSJU-STL
$544
5/1Thu
multi-stopAmerican Airlines
9h 52mMCI-SJU
5/9Fri
multi-stopAmerican Airlines
8h 44mSJU-MCI
$550
5/2Fri
multi-stopSpirit Airlines
14h 38mMCI-SJU
5/5Mon
multi-stopSpirit Airlines
7h 39mSJU-MCI
$554
5/2Fri
multi-stopSpirit Airlines
32h 42mMCI-SJU
5/4Sun
multi-stopSpirit Airlines
18h 27mSJU-MCI
$566
5/3Sat
multi-stopAmerican Airlines
9h 36mSTL-SJU
5/17Sat
multi-stopAmerican Airlines
7h 44mSJU-STL
$580

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Puerto Rico

Cabin class types available on flights to Missouri

Cabin classes available on flights to Missouri. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Puerto Rico
Business Class flights to Puerto Rico
Prem Econ Class flights to Puerto Rico
Economy Class flights to Puerto Ricofrom $591

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.