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Cheap flights from St. Louis to Puerto Plata from $577

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Puerto Plata departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Puerto Plata

Cheap round-trip flights

Delta Logo
7:05 am - 3:56 pmSTL-POP
6h 51m1 stop
Delta Logo
5:11 pm - 11:41 pmPOP-STL
8h 30m1 stop
$577Delta
Find Deal
Mon, Dec 8 - Thu, Dec 11
American Airlines Logo
4:49 pm - 2:05 pmSTL-POP
19h 16m2 stops
American Airlines Logo
2:26 pm - 9:28 pmPOP-STL
9h 02m1 stop
$582American Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Puerto Plata 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from St. Louis to Puerto Plata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPuerto Plata

STL - POP

STLPOP

Lambert-St Louis

Mon 12/8

7:05 am-3:56 pm

1 stop6h 51m

Puerto Plata La Union

Thu 12/11

5:11 pm-11:41 pm

1 stop8h 30m

$577

St. LouisPuerto Plata

STL - POP

STLPOP

Lambert-St Louis

Mon 12/8

4:49 pm-2:05 pm

2 stops19h 16m

Puerto Plata La Union

Thu 12/11

2:26 pm-9:28 pm

1 stop9h 02m

$582

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from St. Louis to Puerto Plata

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 to Puerto Plata?

In general, February is the cheapest month to fly from St. Louis to Puerto Plata. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $549. If you’re not able to fly to Puerto Plata in February, then January is your next best option. Flight prices from St. Louis to Puerto Plata during January average around $620.

What is the cheapest day to depart on your flight to Puerto Plata?

According to our data, Wednesday is the cheapest day to fly to Puerto Plata from St. Louis. The lowest ticket price found for a Wednesday departure recently was $605. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Puerto Plata is Sunday, with ticket prices averaging around $780.

Can stopping save me money on St. Louis to Puerto Plata flights?

You could potentially save up to 19% on your flight if you consider stops on a St. Louis to Puerto Plata flight.

Cheap St. Louis to Puerto Plata flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Puerto Plata

Direct flights

None
There are no direct flights from St. Louis to Puerto Plata. There are no popular flight routes from St. Louis to Puerto Plata.
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  • When did momondo last update prices for flights from Lambert-St Louis Airport to Puerto Plata?

    Prices for flights from Lambert-St Louis Airport to Puerto Plata are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Puerto Plata?

  • How old do you have to be to fly from Lambert-St Louis Airport to Puerto Plata?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Puerto Plata.

  • What documentation or ID do you need to fly to Puerto Plata?

    The travel and health documents required for your trip to Puerto Plata can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Plata. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Puerto Plata

Compare and see reviews for airlines that fly from St. Louis to Puerto Plata with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $524Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $543Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Puerto Plata?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Puerto Plata. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Puerto Plata with flexible booking policies on momondo?

Yes. All flights to Puerto Plata from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Puerto Plata?

Once all potential St. Louis to Puerto Plata flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Puerto Plata right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Puerto Plata from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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