$384 Cheap Flights from Puebla (PBC) to St. Louis (STL)

View $384 flight on Tue, Jan 13, 2026Opens in a new window

Popular airlines from Puebla Intl. Airport (PBC) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Puebla to St. Louis (PBC-STL)

Prices were available within the past 7 days and start at $384 for one-way flights and $510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Nov 1 - Tue, Nov 18
PBC
Puebla
STL
St. Louis
$510 Roundtrip, found 3 days ago
$510
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Nov 1 from Puebla to St. Louis, returning Tue, Nov 18, priced at $510 found 3 days ago
Frontier Airlines
Mon, Nov 10 - Thu, Nov 13
PBC
Puebla
STL
St. Louis
$530 Roundtrip, found 4 days ago
$530
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Puebla to St. Louis, returning Thu, Nov 13, priced at $530 found 4 days ago
Frontier Airlines
Mon, Nov 10 - Tue, Nov 11
PBC
Puebla
STL
St. Louis
$541 Roundtrip, found 3 days ago
$541
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Puebla to St. Louis, returning Tue, Nov 11, priced at $541 found 3 days ago
Frontier Airlines
Tue, Nov 18 - Fri, Dec 5
PBC
Puebla
STL
St. Louis
$544 Roundtrip, found 3 days ago
$544
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Nov 18 from Puebla to St. Louis, returning Fri, Dec 5, priced at $544 found 3 days ago
Frontier Airlines
Mon, Nov 10 - Thu, Nov 13
PBC
Puebla
STL
St. Louis
$562 Roundtrip, found 3 days ago
$562
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Puebla to St. Louis, returning Thu, Nov 13, priced at $562 found 3 days ago
Frontier Airlines
Tue, Nov 18 - Thu, Dec 4
PBC
Puebla
STL
St. Louis
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Nov 18 from Puebla to St. Louis, returning Thu, Dec 4, priced at $565 found 3 days ago
Frontier Airlines
Sat, Nov 8 - Tue, Nov 11
PBC
Puebla
STL
St. Louis
$582 Roundtrip, found 3 days ago
$582
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Nov 8 from Puebla to St. Louis, returning Tue, Nov 11, priced at $582 found 3 days ago
Frontier Airlines
Mon, Nov 10 - Thu, Dec 4
PBC
Puebla
STL
St. Louis
$586 Roundtrip, found 4 days ago
$586
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Puebla to St. Louis, returning Thu, Dec 4, priced at $586 found 4 days ago
Frontier Airlines
Mon, Nov 10 - Wed, Nov 12
PBC
Puebla
STL
St. Louis
$593 Roundtrip, found 3 days ago
$593
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Puebla to St. Louis, returning Wed, Nov 12, priced at $593 found 3 days ago
United
Wed, Nov 12 - Mon, Nov 17
PBC
Puebla
STL
St. Louis
$645 Roundtrip, found 3 days ago
$645
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 12 from Puebla to St. Louis, returning Mon, Nov 17, priced at $645 found 3 days ago

Frequently asked questions

How much does a flight from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $384 or cheap return flight from $510 from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from PBC to STL is November, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from PBC to STL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to book a flight with a layover if you're traveling from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from PBC to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until right before your break to book a flight from PBC to STL often results in higher prices. While you may find some last-minute offers, there's no guarantee. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a PBC to STL flight and hotel package?
You'll typically save money by securing a PBC to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Hermanos Serdan Intl. Airport (PBC) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to reschedule or cancel your PBC to STL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Hermanos Serdan Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$509
Distance
1435 mi

Book with confidence

Book with confidence

Puebla to St. Louis Flights

The cheapest times to fly from Puebla to St. Louis

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 Puebla to St. Louis are during the month of November. You can find some of the cheapest flights from Puebla to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Puebla to St. Louis

Sunday is one of the best days to book for cheap flights from Puebla to St. Louis: 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 Puebla to St. Louis

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 Puebla to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $384 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 Puebla to St. Louis 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 Puebla to St. Louis 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.

 

Puebla to St. Louis Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.