$195 Cheap Frontier Airlines flights St. Louis (STL) to Punta Cana (PUJ)

You'll discover affordable return Frontier Airlines flights from $349 from STL to PUJ by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $195 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

To grab cheap flights from STL to PUJ with Frontier Airlines, begin your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest flight from STL to PUJ with Frontier Airlines leaves at 10:31AM UTC-6. You'll land at 4:55PM UTC-4. The last Frontier Airlines flight of the day leaves at 10:31AM UTC-6 and arrives at 4:55PM UTC-4. With 20% fewer cancellations for morning departures, jetting out early is often the wisest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Journey from STL to PUJ with Frontier Airlines and you can look forward to a range of perks including a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.