Cheap Flights from St Louis to Puerto Vallarta

Compare St Louis to Puerto Vallarta flight deals

Find the cheapest month or even day of the year to fly to Puerto Vallarta

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Flight deals from St Louis to Puerto Vallarta

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Puerto Vallarta Airport? If you want to travel next month, return fares start from $952. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Puerto Vallarta

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Puerto Vallarta flights are currently cheapest in February.

Direct flights from St Louis to Puerto Vallarta

St Louis to Puerto Vallarta: Alternative routes

Compare routes from St Louis to Puerto Vallarta below. You may find an airport to fly into that's cheaper, faster, or easier than Puerto Vallarta.

St Louis to Puerto Vallarta: Flight information

The things to know before you go.
Cheapest flight found$930
Cheapest month to flyFebruary
Average flight time3 hrs, 55 mins
Most popular airlineSouthwest Airlines
Average flights per week1

Finding cheap flights from St Louis to Puerto Vallarta: Frequently asked questions

The best price we found for a return flight from St Louis to Puerto Vallarta is $930. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 55 minutes is the average flight time from St Louis to Puerto Vallarta.
Southwest Airlines flies direct from St Louis to Puerto Vallarta.
As of August 2026, there is one flight per week flying from St Louis to Puerto Vallarta.
The cheapest month to fly from St Louis to Puerto Vallarta is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Puerto Vallarta Airport on Saturday, 6 February 2027.
Yes – the average flight time is 3 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Puerto Vallarta but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Puerto Vallarta is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Puerto Vallarta.

Travelling from St Louis Airport (STL) to Puerto Vallarta Airport (PVR): what you need to know

  • Around 4 hours 5 minutes is how long you'll be travelling on a direct flight from St Louis Airport to Puerto Vallarta Airport.

  • Puerto Vallarta's timezone is UTC-6, which is the same as St Louis.

  • Give yourself enough time to make your STL to PVR flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

  • Alaska Airlines offers direct flights from St Louis Airport to Puerto Vallarta Airport. Book with this popular carrier, then get ready to see the sights in Puerto Vallarta — and maybe even more of Mexico if time allows.

  • The majority of travellers choose to fly with Alaska Airlines on this route.

  • Think about adding a stopover when booking your ticket from St Louis Airport to Puerto Vallarta Airport. Just deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between STL and PVR:

    • Dallas Fort Worth International Airport

    • Houston George Bush Intercntl. Airport

    • Phoenix Sky Harbour Airport

How to find the cheapest flights from St Louis Airport (STL) to Puerto Vallarta Airport (PVR)

  • $437 is the lowest price for a one-way St Louis Airport to Puerto Vallarta Airport flight. Return flights start at $930. These fares can change depending on demand.

  • Book six months before flying. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from STL to PVR.

  • Organise your trip for November. That's the cheapest month for flights from St Louis Airport to Puerto Vallarta Airport. If you're flexible with your dates, try out the 'Whole month' tool to find the lowest airfare across every month.

  • Getting your hands on cheap flights from STL to PVR is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a lower fare pops up.

  • Find the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from St Louis Airport to Puerto Vallarta Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about St Louis Airport (STL)

Arriving at Puerto Vallarta Airport (PVR)

When to fly to Puerto Vallarta Airport (PVR)

  • The quietest month for a flight from St Louis Airport to Puerto Vallarta Airport is September, while April is the most popular. Pick the ideal time to go to Puerto Vallarta based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Puerto Vallarta is May, with the temperature ranging between 18ºC and 34ºC. Book your flights from St Louis Airport to Puerto Vallarta Airport in this month if this is the kind of weather you like.

  • February sees average temperatures of between 14ºC and 30ºC. Search for cheap tickets from STL to PVR around that time if you want to travel in cooler conditions.

Explore more of Mexico

  • You've done Puerto Vallarta, now it's time to discover other corners of Mexico. Travel around 193 kilometres east to Guadalajara to tick off its top attractions. From Guadalajara Cathedral to Temple of Our Lady of Guadalupe and Mural Gigante FRIDA KHALO, there's plenty to keep you busy.

  • Around 370 kilometres east of Puerto Vallarta, León de los Aldama is another favourite stop in Mexico. No visit is complete without checking out Plaza Principal de León, Museo de Arte E Historia de Guanajuato and Templo de Santo Domingo.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.