$143 Cheap Flights from St. Louis (STL) to Punta Cana (PUJ)

Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to Punta Cana (STL-PUJ)

Prices were available within the past 7 days and start at $143 for one-way flights and $391 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Frontier Airlines
United
Frontier Airlines
Southwest Airlines
United
Southwest Airlines
Southwest Airlines
American Airlines
Delta
Flights from St. Louis (STL) to Punta Cana (PUJ)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Punta Cana Intl.
Airlines serving
Air Canada, American Airlines, Delta, Frontier Airlines, Funjet Vacations, Southwest Airlines, United
Roundtrip price
$390
Distance
1919 mi

St. Louis to Punta Cana Flights

The cheapest times to fly from St. Louis to Punta Cana

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Punta Cana are during the month of September. You can find some of the cheapest flights from St. Louis to Punta Cana with Expedia's search tool and vast selection of airlines.

The best time to book a flight from St. Louis to Punta Cana

Sunday is one of the best days to book for cheap flights from St. Louis to Punta Cana: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from St. Louis to Punta Cana

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Punta Cana in 2025. You can also book with separate airlines for your outbound and return journeys, from $143 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Punta Cana flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Punta Cana airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Punta Cana Intl. Airport (PUJ)?
Frontier Airlines operates a direct flight heading off from Lambert Field at 10:52AM and coming in to land at PUJ at 4:24PM — a flying time of 4 hours and 32 minutes. Book your perfect seat, bring something to keep you busy and enjoy the ride.
Is it cheaper to buy a plane ticket from Lambert Field to Punta Cana Intl. Airport (PUJ) last minute?
Booking your flight from Lambert Field to PUJ last minute could save you a tidy sum if you’re lucky to find a real bargain. However, tickets generally don’t get cheaper as the date of departure nears. If you choose to wait, flights could also be sold out or the best seats gone (that could mean the middle seat!). If you’d rather not hedge your bets, book well in advance of your departure date. In fact, you can find some of the biggest deals up to 12 months in advance. If your preferred carrier hasn’t released its fares yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for Punta Cana from St. Louis?
There are two options when journeying from St. Louis to Punta Cana — Punta Cana Intl. Airport (PUJ) and La Romana Intl. Airport (LRM). If you arrive at Punta Cana Intl. Airport (PUJ) you’ll be approximately 3 mi southeast of the center of Punta Cana. Make tracks to your hotel, then set out and take in your new surroundings. Bavaro Beach and Downtown Punta Cana are two of this destination’s favorite attractions.
What are the most popular departure times for flights from Lambert Field to Punta Cana Intl. Airport (PUJ)?
Between 10:00 AM - 11:00 AM is the busiest time for Frontier Airlines flights from Lambert-St. Louis Intl. Airport (STL) to PUJ. Our advice? Book a journey that departs sometime in the morning. With air traffic yet to build up around airports, your odds of jumping on a delay-free flight are better.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Punta Cana Airport?
Make changes quickly to your STL to Punta Cana Airport ticket through the Expedia Trips portal. Before making any amendments, review the conditions and rules in your itinerary to see what you can do and what fees apply for changes. Some airlines have a change fee per person, plus any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also head to our Customer Service portal for more useful advice and to connect with our Virtual Agent.

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*Available to One Key members.