- Must visit
Saint Louis Art Museum
Vast art museum in Forest Park with global collections from antiquity to modern works and strong free general admission.
The best way to find a cheap flight ticket from Pittsburgh, PA to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Pittsburgh, PA to St. Louis, MO will cost around €286 if you buy it on the day, but the cheapest tickets can be found for only €107.
It's difficult to get from Pittsburgh, PA to St. Louis, MO without transferring at least once.
AA3012 · AA3292
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AA3239 · AA772
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AA4659 · AA4769
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AA4458 · AA4344
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AA4664 · AA4358
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UA2180 · UA4416
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AA3239 · AA772
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AA3012 · AA3292
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AA4757+
AA3484
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UA312 · UA516
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Flights from Pittsburgh, PA to St. Louis, MO depart on average 55 times per day, taking around 4h 12m. Cheap flight tickets for this journey start at €97 but you can travel from only €45 by bus.
The earliest flight runs at 05:00, the last at 21:30. The fastest flight covers the 557 miles (897 km) distance in 3h 7m. June is the cheapest month to fly.
Plan this route
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Pittsburgh, PA to St. Louis, MO.
The table below shows live departures for Pittsburgh, PA to St. Louis, MO flights for tomorrow, Tuesday, November 3. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA1859 · UA4425 | 6:00 AM Pittsburgh International Airport | 13h38 | 6:38 PM St. Louis Lambert International Airport | 1 transfer | |
AA2329 · AA1992 | 6:00 AM Pittsburgh International Airport | 4h44 | 9:44 AM St. Louis Lambert International Airport | 1 transfer | |
UA4175 · UA3485 | 6:00 AM Pittsburgh International Airport | 5h48 | 10:48 AM St. Louis Lambert International Airport | 1 transfer | |
UA1859 · UA6243 | 6:00 AM Pittsburgh International Airport | 9h13 | 2:13 PM St. Louis Lambert International Airport | 1 transfer | |
AA4344 · AA4458 | 6:00 AM Pittsburgh International Airport | 5h03 | 10:03 AM St. Louis Lambert International Airport | 1 transfer | |
UA3679 · UA4427 | 6:12 AM Pittsburgh International Airport | 5h00 | 10:12 AM St. Louis Lambert International Airport | 1 transfer | |
UA3679 · UA1252 · UA2000 | 6:12 AM Pittsburgh International Airport | 10h31 | 3:43 PM St. Louis Lambert International Airport | 2 transfers | |
UA3679 · UA4527 | 6:12 AM Pittsburgh International Airport | 14h18 | 7:30 PM St. Louis Lambert International Airport | 1 transfer | |
UA1803 · UA3556 | 6:30 AM Pittsburgh International Airport | 5h02 | 10:32 AM St. Louis Lambert International Airport | 1 transfer | |
UA3486 · UA1525 · UA2000 | 7:00 AM Pittsburgh International Airport | 9h43 | 3:43 PM St. Louis Lambert International Airport | 2 transfers | |
UA3486 · UA1875 · UA2000 | 7:00 AM Pittsburgh International Airport | 9h43 | 3:43 PM St. Louis Lambert International Airport | 2 transfers | |
AA1845+ AA5082 | 7:09 AM Pittsburgh International Airport | 6h19 | 12:28 PM St. Louis Lambert International Airport | 1 transfer | |
AA2437 · AA2486 | 7:38 AM Pittsburgh International Airport | 6h40 | 1:18 PM St. Louis Lambert International Airport | 1 transfer | |
UA3647 · UA1875 · UA2000 | 8:00 AM Pittsburgh International Airport | 8h43 | 3:43 PM St. Louis Lambert International Airport | 2 transfers | |
UA3647 · UA3559 | 8:00 AM Pittsburgh International Airport | 9h17 | 4:17 PM St. Louis Lambert International Airport | 1 transfer | |
AA2644+ AA6332 | 8:05 AM Pittsburgh International Airport | 5h45 | 12:50 PM St. Louis Lambert International Airport | 1 transfer | |
AA1540+ AA4796 | 8:12 AM Pittsburgh International Airport | 5h31 | 12:43 PM St. Louis Lambert International Airport | 1 transfer | |
UA1765 · UA1639 | 8:30 AM Pittsburgh International Airport | 9h27 | 4:57 PM St. Louis Lambert International Airport | 1 transfer | |
UA1765 · UA1422 | 8:30 AM Pittsburgh International Airport | 13h29 | 8:59 PM St. Louis Lambert International Airport | 1 transfer | |
AA4798 · AA4461 | 8:51 AM Pittsburgh International Airport | 7h50 | 3:41 PM St. Louis Lambert International Airport | 1 transfer | |
AA3484+ AA4649 | 10:02 AM Pittsburgh International Airport | 7h41 | 4:43 PM St. Louis Lambert International Airport | 1 transfer | |
AA4654 · AA4461 | 10:19 AM Pittsburgh International Airport | 6h22 | 3:41 PM St. Louis Lambert International Airport | 1 transfer | |
AA4659 · AA4769 | 10:45 AM Pittsburgh International Airport | 5h36 | 3:21 PM St. Louis Lambert International Airport | 1 transfer | |
UA4454 · UA2053 · UA4412 | 10:47 AM Pittsburgh International Airport | 9h36 | 7:23 PM St. Louis Lambert International Airport | 2 transfers | |
UA4454 · UA3559 | 10:47 AM Pittsburgh International Airport | 6h30 | 4:17 PM St. Louis Lambert International Airport | 1 transfer | |
UA4454 · UA2324 · UA4412 | 10:47 AM Pittsburgh International Airport | 9h36 | 7:23 PM St. Louis Lambert International Airport | 2 transfers | |
AA4922+ AA3547 | 11:25 AM Pittsburgh International Airport | 7h52 | 6:17 PM St. Louis Lambert International Airport | 1 transfer | |
AA3484+ AA4922 | 11:25 AM Pittsburgh International Airport | 6h18 | 4:43 PM St. Louis Lambert International Airport | 1 transfer | |
UA2197 · UA2804 | 12:55 PM Pittsburgh International Airport | 10h31 | 10:26 PM St. Louis Lambert International Airport | 1 transfer | |
UA2197 · UA4425 | 12:55 PM Pittsburgh International Airport | 6h43 | 6:38 PM St. Louis Lambert International Airport | 1 transfer | |
UA3456 · UA1240 | 12:58 PM Pittsburgh International Airport | 9h54 | 9:52 PM St. Louis Lambert International Airport | 1 transfer | |
AA4757+ AA3484 | 1:06 PM Pittsburgh International Airport | 4h37 | 4:43 PM St. Louis Lambert International Airport | 1 transfer | |
AA772+ AA4757 | 1:06 PM Pittsburgh International Airport | 7h16 | 7:22 PM St. Louis Lambert International Airport | 1 transfer | |
AA4757+ AA3547 | 1:06 PM Pittsburgh International Airport | 6h11 | 6:17 PM St. Louis Lambert International Airport | 1 transfer | |
AA3333 · AA2937 | 1:15 PM Pittsburgh International Airport | 5h14 | 5:29 PM St. Louis Lambert International Airport | 1 transfer | |
UA2180 · UA4518 | 2:07 PM Pittsburgh International Airport | 5h02 | 6:09 PM St. Louis Lambert International Airport | 1 transfer | |
UA2180 · UA4412 | 2:07 PM Pittsburgh International Airport | 6h16 | 7:23 PM St. Louis Lambert International Airport | 1 transfer | |
UA2180 · UA4416 | 2:07 PM Pittsburgh International Airport | 3h52 | 4:59 PM St. Louis Lambert International Airport | 1 transfer | |
UA1317 · UA4527 | 3:15 PM Pittsburgh International Airport | 5h15 | 7:30 PM St. Louis Lambert International Airport | 1 transfer | |
AA4528 · AA4383 | 3:17 PM Pittsburgh International Airport | 7h17 | 9:34 PM St. Louis Lambert International Airport | 1 transfer | |
AA601 · AA2246 | 3:34 PM Pittsburgh International Airport | 5h45 | 8:19 PM St. Louis Lambert International Airport | 1 transfer | |
AA3239 · AA3292 | 4:03 PM Pittsburgh International Airport | 8h56 | 11:59 PM St. Louis Lambert International Airport | 1 transfer | |
AA3239 · AA772 | 4:03 PM Pittsburgh International Airport | 4h19 | 7:22 PM St. Louis Lambert International Airport | 1 transfer | |
AA3239+ AA3768 | 4:03 PM Pittsburgh International Airport | 7h12 | 10:15 PM St. Louis Lambert International Airport | 1 transfer | |
AA6036+ AA4651 | 4:33 PM Pittsburgh International Airport | 4h53 | 8:26 PM St. Louis Lambert International Airport | 1 transfer | |
UA4525 · UA1240 | 4:40 PM Pittsburgh International Airport | 6h12 | 9:52 PM St. Louis Lambert International Airport | 1 transfer | |
UA1816 · UA1639 | 4:43 PM Pittsburgh International Airport | 25h14 | 4:57 PM St. Louis Lambert International Airport | 1 transfer | |
UA1816 · UA652 | 4:43 PM Pittsburgh International Airport | 20h55 | 12:38 PM St. Louis Lambert International Airport | 1 transfer | |
AA4383 · AA4453 | 5:00 PM Pittsburgh International Airport | 5h34 | 9:34 PM St. Louis Lambert International Airport | 1 transfer | |
UA1563 · UA2804 | 5:10 PM Pittsburgh International Airport | 6h16 | 10:26 PM St. Louis Lambert International Airport | 1 transfer | |
Find all the dates and times for this journey
Flights from Pittsburgh, PA to St. Louis, MO with United, American Airlines, and Republic Airlines. Flights with a stop available on this route with United, American Airlines, and Republic Airlines. Use the details below to compare onboard facilities.
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
Discover the best of St. Louis, MO — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect St. Louis, MO trip today.
Vast art museum in Forest Park with global collections from antiquity to modern works and strong free general admission.
Leading history museum covering St. Louis, Missouri, and national stories through rotating exhibitions in Forest Park.
Interactive science museum with hands-on exhibits, planetarium, and family-friendly displays near Forest Park.
Lively downtown riverfront district with trails, views of the Arch, public art, and access to major historic sites.
Large urban park with trails, lakes, zoo access, and major museums, ideal for walking between top attractions.
Beloved neighborhood park with formal lily ponds, pavilions, and one of the city's most photographed landscapes.
A thin, cracker-like crust pizza cut into squares and topped with Provel cheese, a St. Louis original loved for its distinct texture and tangy flavor.
Crisp, breaded ravioli said to be born on The Hill, usually served with marinara. It is a signature St. Louis Italian-American appetizer.
Sticky butter cake with a dense base and gooey sweet top. A longtime St. Louis bakery favorite often enjoyed for breakfast or dessert.
Refined contemporary restaurant with tasting menus and strong national acclaim. Elegant fine dining focused on seasonal Midwestern ingredients.
Beloved frozen custard stand serving concretes and sundaes since 1929. Casual, nostalgic, and one of the city's iconic dessert stops.
Popular smokehouse known for St. Louis barbecue, especially ribs, brisket, and pork steak, in a polished but relaxed atmosphere.
Moderate for U.S. city breaks: hotels and dining are reasonable, transit is limited, and attractions often cost less than in larger U.S. tourist cities.
Tip 18-20% at restaurants, $1-2 per drink at bars, and 10-15% for taxis. Cafes often have tip jars or screen prompts.
Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in St. Louis, MO.
Find answers to the most common questions about traveling from Pittsburgh, PA to St. Louis, MO by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at St. Louis, MO, this guide helps you travel smarter and with confidence.

Most Pittsburgh, PA to St. Louis, MO flights use the Pittsburgh International Airport to St. Louis Lambert International Airport airport pair. Use this guide to compare Pittsburgh, PA and St. Louis, MO airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Pittsburgh International Airport is 4 km from Pittsburgh city centre. Public transport options include:
Pittsburgh International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Various restaurants are located in the Airside terminal, including fast food and sit-down options like Chick-fil-A and The Burgh Sportz Bar.
Free Wi-Fi available throughout the airport. ATMs are located throughout the airport, including near the baggage claim and in the Airside terminal.
Lost and found is available at the station.
Available at Pittsburgh International Airport: Parking, Taxis, WC.
Available at Pittsburgh International Airport: Car Rental.
Accessibility facilities are available at Pittsburgh International Airport: Elevators, ramps.
Nearby hotels include Hotels like Hyatt Regency Pittsburgh Intertiol Airport are connected to the terminal..
St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:
St. Louis Lambert International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Lost and found is available at the station.
Available at St. Louis Lambert International Airport: Parking, Taxis, WC.
Available at St. Louis Lambert International Airport: Car Rental.
Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.
Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..
See which airports are used for flights between Pittsburgh, PA and St. Louis, MO, including airport details.