Vacation packages
Stays
Cars
Flights
Support
All travel
Vacation packages
Stays
Cars
Cruises
Flights
Support
Things to do
Account
My Account
Members can access discounts and special features
Sign in
Create a free account
List of Favorites
AARP Member Savings
My Trips
AARP.org
Join
Renew
Expedia-AARP.com
Flights from Pittsburgh Intl. Airport to Lambert-St. Louis Intl. Airport
Flights to St. Louis
Missouri
United States of America
North America
Flights
Expedia-AARP.com
Flights from Pittsburgh Intl. Airport to Lambert-St. Louis Intl. Airport
Find the Best Flight Prices With The AARP Travel Center
Packages
Flights
Roundtrip
One-way
Multi-city
1 traveler
Travelers
Adults
Decrease adults
Increase adults
Children
Ages 2 to 17
Decrease children
Increase children
Infants
Younger than 2
Decrease infants
Increase infants
Done
Economy
Economy
Premium economy
Business class
First class
Leaving from
Going to
Departing
Returning
Add a place to stay
Add a car
Search
Show map
Popular Flights from Pittsburgh Intl. Airport
Pittsburgh to Chicago (PIT - ORD)
Pittsburgh to Los Angeles (PIT - LAX)
Pittsburgh to Miami (PIT - MIA)
Pittsburgh to Tampa (PIT - TPA)
Pittsburgh to Boston (PIT - BOS)
Pittsburgh to Myrtle Beach (PIT - MYR)
Pittsburgh to Tokyo (PIT - NRT)
Pittsburgh to Montreal (PIT - YUL)
Pittsburgh to Lima (PIT - LIM)
Pittsburgh to Rome (PIT - FCO)
Pittsburgh to Cancun (PIT - CUN)
Pittsburgh to Tokyo (PIT - HND)
Top Flight Routes to Lambert-St. Louis Intl.
DFW to STL
PHL to STL
ALB to STL
MCO to STL
LAN to STL
GPT to STL
JAC to STL
DAL to STL
TTN to STL
Top Airlines Operating at Pittsburgh Intl. Airport
Delta
American Airlines
Frontier Airlines
United
Popular Destinations
Flights to St. Louis
Flights to St. Charles
Flights to Maryland Heights
Flights to Chesterfield
Flights to O'Fallon
Flights to Hazelwood
Flights to Fenton
Flights to O'Fallon
Flights to Fairview Heights
Flights to Grafton
Plan Your Trip
Flights to St. Louis
St. Louis Hotels
St. Louis Car Rentals
St. Louis Vacations
2f847104-4962-450d-8fa5-c20964f673ef
dbe1b80a-7289-48aa-bc82-4a91b5d2c6e5
