Are direct flights from St. Louis to Pittsburgh always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, connecting flights can sometimes be more economical, especially if you are flexible with your schedule. The 'best' option often depends on your priorities regarding cost versus convenience.

Can flexible travel dates help on St. Louis to Pittsburgh flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly depending on the day of the week or time of year. Adjusting your departure or return by a day or two may result in substantial savings.

What extra costs should I check before booking St. Louis to Pittsburgh flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional fees can help you calculate the total cost of your trip.

Flights From St. Louis

To Pittsburgh

Cheap Flights from St. Louis to Pittsburgh

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Pittsburgh

Prices updated today

485 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)

Today’s best flight deals from St. Louis to Pittsburgh

Explore current cheapest deals departing from St. Louis to Pittsburgh

2026-11-18 – 2026-12-15
STL - Pittsburgh
42% AI deal score
$212
$224
Round trip
2026-11-16 – 2026-12-15
STL - Pittsburgh
42% AI deal score
$211
$224
Round trip
2026-12-02 – 2026-12-15
STL - Pittsburgh
45% AI deal score
$242
$231
Round trip
2026-12-09 – 2026-12-15
STL - Pittsburgh
49% AI deal score
$273
$231
Round trip
2026-12-07 – 2026-12-15
STL - Pittsburgh
47% AI deal score
$260
$240
Round trip
2026-11-18 – 2026-12-01
STL - Pittsburgh
41% AI deal score
$221
$244
Round trip
2026-11-16 – 2026-12-01
STL - Pittsburgh
41% AI deal score
$218
$244
Round trip
2026-11-25 – 2026-12-15
STL - Pittsburgh
42% AI deal score
$212
$250
Round trip
2026-11-18 – 2026-11-22
STL - Pittsburgh
41% AI deal score
$139
$254
Round trip
2026-11-19 – 2026-11-22
STL - Pittsburgh
41% AI deal score
$138
$254
Round trip

St. Louis to Pittsburgh: Overview

Insights for flights from St. Louis to Pittsburgh

Most itineraries for cheap flights from St. Louis to Pittsburgh connect at least once, with 0% of recent fares being non-stop. For the remaining flights, the typical number of connections is 2. This means you will almost certainly have at least one stop on your journey between these two cities.

A typical journey from St. Louis to Pittsburgh takes about 62h 19m including connections. This duration reflects the median travel time for all itineraries, factoring in the time spent on layovers and transfers between flights.

The distance between St. Louis and Pittsburgh is 889 km, classifying this as a short-haul route. This means you can expect a relatively quick travel experience once airborne, though connecting flights will extend the overall journey time.

When is the cheapest time to fly from St. Louis to Pittsburgh? The most affordable months to fly are January, with a median fare of $275, followed by November and September, both with median fares of $307. These months offer the lowest prices compared to other times of the year.

Fares from St. Louis to Pittsburgh typically range from $357–$1077, with a median of $663. Right now, current fares are below the typical level for this route. Only 6% of recent fares were classified as a good price, indicating that finding exceptionally low prices can be challenging, and new deals are infrequent — a price alert helps.

How much is a round trip from St. Louis to Pittsburgh

Regular price: $105 - $383

Prices for flights from St. Louis to Pittsburgh are currently within the regular range.

The regular price range for this route is typically between $105 and $383. The lowest current deal is $257 with Southwest Airlines for travel from Nov 19-Nov 23.

now $257

Low $105

High $383

The cheapest time to fly from St. Louis to Pittsburgh

The cheapest month to fly from St. Louis to Pittsburgh is January, with a median price of $275. The most expensive month is February, with a median price of $995. Prices are generally lower from January to December.

January

Cheapest

Flights from $275

February

Most Expensive

Flights from $995

Jan

Feb

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Pittsburgh

Frontier Airlines

JetBlue Airways

Allegiant Air

Southern Airways

Last-minute flights going from St. Louis to Pittsburgh

Sun, Nov 1

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$272

$412

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$245

$334

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$249

$390

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$245

$399

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$236

$401

One-way

Tue, Nov 10

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

American Airlines

$278

$394

One-way

Biggest price drops on these dates for flights from St. Louis to Pittsburgh

6 nights

Dec 2 - Dec 8

$275 → $223

19%

6 nights

Dec 9 - Dec 15

$273 → $223

18%

13 nights

Dec 2 - Dec 15

$242 → $223

4 nights

Dec 16 - Dec 20

$287 → $268

Popular Airports to fly from St. Louis to Pittsburgh

St. Louis - Pittsburgh route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for flights from St. Louis to Pittsburgh are below the typical level.

📅 Best time to fly

January offers the lowest median price

Historically, January, November, and September offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights typically take 62h 19m

Flights from St. Louis to Pittsburgh typically involve connecting flights, with a median duration of 62h 19m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Direct flights are not common; 100% of recent flights included stopovers.

🏆 Airline highlight

Southwest Airlines offers a notable deal

A recent deal from Southwest Airlines was found for $257, departing November 19.

🎯 Booking tip

Deals for this route are rare

Historically, deals for flights from St. Louis to Pittsburgh are rare.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International Airport is a good option for flights from St. Louis to Pittsburgh.

📍 ~20 km from St. Louis (reachable by car or public transport)

💸 Flights from ~$200

Pittsburgh main airports to arrive at

Pittsburgh International (PIT)

Cheapest

Pittsburgh International Airport serves as a convenient arrival point for flights to Pittsburgh.

📍 ~21 km from city center (reachable by car)

💸 Flights from ~$241

Airports nearby Pittsburgh used as alternative

Cleveland Hopkins International (CLE)

Cheapest

Cleveland Hopkins International offers more direct flight options and carrier choices if Pittsburgh is unavailable.

📍 ~190 km from Pittsburgh (reachable by car)

💸 Flights from ~$126

Business & First Class Flight Deals to Pittsburgh

Discover luxury on the budget with premium cabin class on flights from St. Louis to Pittsburgh.

Elite

Best Elite deals to Pittsburgh

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From STL

Elite

Oct 27

Pittsburgh, United States

43% AI deal score

$1,591

$1,513

Save $78

From STL

Elite

Dec 08

Pittsburgh, United States

38% AI deal score

$2,966

Air Canada, +1

Business Class

From STL

Elite

Dec 14

Pittsburgh, United States

38% AI deal score

$3,073

Alaska Airlines, Inc., +1

Business Class

From STL

Elite

Dec 08

Pittsburgh, United States

38% AI deal score

$3,472

Air Canada, +1

Business Class

From STL

Elite

Dec 14

Pittsburgh, United States

37% AI deal score

$3,229

Alaska Airlines, Inc., +1

Business Class

From STL

Elite

Dec 08

Pittsburgh, United States

37% AI deal score

$3,315

Air Canada, +1

Business Class

From STL

Elite

Dec 14

Pittsburgh, United States

37% AI deal score

$3,353

Alaska Airlines, Inc., +1

Business Class

From STL

Elite

Dec 25

Pittsburgh, United States

37% AI deal score

$3,372

Air Canada, +1

Business Class

From STL

Elite

Dec 14

Pittsburgh, United States

37% AI deal score

$3,423

Alaska Airlines, Inc., +1

Business Class

From STL

Elite

Dec 05

Pittsburgh, United States

37% AI deal score

$3,648

Air Canada, +1

Business Class

From STL

Elite

Dec 05

Pittsburgh, United States

36% AI deal score

$3,338

Air Canada, +1

Business Class

From STL

Elite

Nov 11

Pittsburgh, United States

36% AI deal score

$3,368

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Pittsburgh

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help you discover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance, often several weeks or months before your intended departure, may result in lower prices. However, prices can fluctuate, so monitoring fare trends can be beneficial. Last-minute bookings sometimes offer deals but can also be more expensive.

Comparing nearby airports can sometimes reveal more affordable flight options or different schedules. While it may require additional travel time to and from these airports, the potential savings could be significant. Always factor in ground transportation costs when considering this option.

Related routes

More routes from St. Louis

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Flights to Pittsburgh from other cities

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St. Louis to Pittsburgh: Overview

Insights for flights from St. Louis to Pittsburgh

How much is a round trip from St. Louis to Pittsburgh

Regular price: $105 - $383

Prices for flights from St. Louis to Pittsburgh are currently within the regular range.

The regular price range for this route is typically between $105 and $383. The lowest current deal is $257 with Southwest Airlines for travel from Nov 19-Nov 23.

now $257

Low $105

High $383

The cheapest time to fly from St. Louis to Pittsburgh

January

Cheapest

Flights from $275

February

Most Expensive

Flights from $995

Jan

Feb

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Pittsburgh

Frontier Airlines

JetBlue Airways

Allegiant Air

Southern Airways

Last-minute flights going from St. Louis to Pittsburgh

Sun, Nov 1

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$272

$412

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$245

$334

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$249

$390

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$245

$399

One-way

Thu, Nov 5

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$236

$401

One-way

Tue, Nov 10

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

American Airlines

$278

$394

One-way

Biggest price drops on these dates for flights from St. Louis to Pittsburgh

6 nights

Dec 2 - Dec 8

$275 → $223

19%

6 nights

Dec 9 - Dec 15

$273 → $223

18%

13 nights

Dec 2 - Dec 15

$242 → $223

4 nights

Dec 16 - Dec 20

$287 → $268

Popular Airports to fly from St. Louis to Pittsburgh

St. Louis - Pittsburgh route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for flights from St. Louis to Pittsburgh are below the typical level.

📅 Best time to fly

January offers the lowest median price

Historically, January, November, and September offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights typically take 62h 19m

Flights from St. Louis to Pittsburgh typically involve connecting flights, with a median duration of 62h 19m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Direct flights are not common; 100% of recent flights included stopovers.

🏆 Airline highlight

Southwest Airlines offers a notable deal

A recent deal from Southwest Airlines was found for $257, departing November 19.

🎯 Booking tip

Deals for this route are rare

Historically, deals for flights from St. Louis to Pittsburgh are rare.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International Airport is a good option for flights from St. Louis to Pittsburgh.

📍 ~20 km from St. Louis (reachable by car or public transport)

💸 Flights from ~$200

Pittsburgh main airports to arrive at

Pittsburgh International (PIT)

Cheapest

Pittsburgh International Airport serves as a convenient arrival point for flights to Pittsburgh.

📍 ~21 km from city center (reachable by car)

💸 Flights from ~$241

Airports nearby Pittsburgh used as alternative

Cleveland Hopkins International (CLE)

Cheapest

Cleveland Hopkins International offers more direct flight options and carrier choices if Pittsburgh is unavailable.

📍 ~190 km from Pittsburgh (reachable by car)

💸 Flights from ~$126

Pittsburgh, United States

36% AI deal score

$3,368

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Pittsburgh

Cheap Flights from St. Louis to Pittsburgh

Today’s best flight deals from St. Louis to Pittsburgh

St. Louis to Pittsburgh: Overview

Insights for flights from St. Louis to Pittsburgh

How much is a round trip from St. Louis to Pittsburgh

The cheapest time to fly from St. Louis to Pittsburgh

Direct flights from St. Louis to Pittsburgh

Last-minute flights going from St. Louis to Pittsburgh

Biggest price drops on these dates for flights from St. Louis to Pittsburgh

Popular Airports to fly from St. Louis to Pittsburgh

St. Louis - Pittsburgh route insights

Recent fares are below the typical level

January offers the lowest median price

Connecting flights typically take 62h 19m

Connecting flights are dominant on this route

Southwest Airlines offers a notable deal

Deals for this route are rare

St. Louis main airports to depart from

Pittsburgh main airports to arrive at

Airports nearby Pittsburgh used as alternative

Business & First Class Flight Deals to Pittsburgh

Best Elite deals to Pittsburgh

Oct 27

Dec 08

Dec 14

Dec 08

Dec 14

Dec 08

Dec 14

Dec 25

Dec 14

Dec 05

Dec 05

Nov 11

Frequently Asked Questions About Flights to Pittsburgh

How can I find cheap flights from St. Louis to Pittsburgh?

When should I book flights from St. Louis to Pittsburgh?

Should I compare nearby airports for flights from St. Louis to Pittsburgh?

Are direct flights from St. Louis to Pittsburgh always the best option?

Can flexible travel dates help on St. Louis to Pittsburgh flights?

What extra costs should I check before booking St. Louis to Pittsburgh flights?

Related routes

More routes from St. Louis

Flights to Pittsburgh from other cities

St. Louis to Pittsburgh: Overview

Insights for flights from St. Louis to Pittsburgh

How much is a round trip from St. Louis to Pittsburgh

The cheapest time to fly from St. Louis to Pittsburgh

Direct flights from St. Louis to Pittsburgh

Last-minute flights going from St. Louis to Pittsburgh

Biggest price drops on these dates for flights from St. Louis to Pittsburgh

Popular Airports to fly from St. Louis to Pittsburgh

St. Louis - Pittsburgh route insights

Recent fares are below the typical level

January offers the lowest median price

Connecting flights typically take 62h 19m

Connecting flights are dominant on this route

Southwest Airlines offers a notable deal

Deals for this route are rare

St. Louis main airports to depart from

Pittsburgh main airports to arrive at

Airports nearby Pittsburgh used as alternative

Business & First Class Flight Deals to Pittsburgh

Best Elite deals to Pittsburgh

Oct 27

Dec 08

Dec 14

Dec 08

Dec 14

Dec 08

Dec 14

Dec 25

Dec 14

Dec 05

Dec 05

Nov 11

Frequently Asked Questions About Flights to Pittsburgh

How can I find cheap flights from St. Louis to Pittsburgh?

When should I book flights from St. Louis to Pittsburgh?

Should I compare nearby airports for flights from St. Louis to Pittsburgh?