Cheap Sun Country Airlines flights St. Louis (STL) to Pittsburgh (PIT)

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Flights from St. Louis (STL) to Pittsburgh (PIT)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Pittsburgh Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
American Airlines
Distance
551 mi
Average flight time
1 hour 35 mins

Frequently asked questions

How much is a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT)?
Make use of the "Price (lowest to highest)" filter on Expedia to find cheap Sun Country Airlines round-trip flights from STL to PIT. Affordable one-way fares are available too.**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.
What is the cheapest month to fly from STL to PIT with Sun Country Airlines?
January is one of the most affordable months to jet off to Pittsburgh with Sun Country Airlines. You could also find great prices on one-way and round-trip tickets in February.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT) with Sun Country Airlines?
To find cheap Sun Country Airlines fares from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.
Does Sun Country Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT)?
To find out if there's a direct trip from STL to PIT with Sun Country Airlines or any other airlines, select the "Nonstop" filter when browsing for flights.
What is the earliest Sun Country Airlines flight from STL to PIT?
Browse Sun Country Airlines's earliest flights from STL to PIT by checking the "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**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.
What airports does Sun Country Airlines fly into in Pittsburgh?
Jump on a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh, and you'll likely touch down at Pittsburgh Intl. Airport (PIT). This is the airline's main hub here.
What kind of luggage can I take on a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT)?
With Sun Country Airlines, you can fly standard economy from STL to PIT with a small personal item and 1 cabin bag. Your carry-on bag should be no bigger than 23 inches x 10 inches x 15 inches and weigh less than 33 lb. Exceeding baggage restrictions could result in extra fees, so check your airline's latest guidelines before completing your booking.
Why fly with Sun Country Airlines from STL to PIT?
Sun Country Airlines makes flying from STL to PIT more enjoyable with top-tier customer service and a rewarding loyalty program. You could even start collecting points with Sun Country Rewards. Be sure to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT)?
It's generally possible to change or cancel your flight, although there may be additional charges if your booking was made more than 24 hours ago. Prefer to keep your options open? Apply the "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you have to adjust your plans. To make modifications, head to "Trips," select your flight and click on "Manage Booking" for further information.

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