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

Direct flights offer convenience and save time, but they are not always the cheapest option. Flights with layovers can often be more affordable, especially if you are flexible with your travel duration. Consider your priorities for cost versus travel time.

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

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons usually offers more competitive fares than traveling on weekends or during popular holidays. Even shifting your travel by a day or two may result in 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 true 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 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

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

Explore current cheapest deals departing from St. Louis to Pittsburgh

2026-10-21 – 2026-10-24
STL - Pittsburgh
43% AI deal score
$146
$202
Round trip
2026-11-04 – 2026-11-07
STL - Pittsburgh
40% AI deal score
$137
$204
Round trip
2026-11-14 – 2026-11-16
STL - Pittsburgh
40% AI deal score
$142
$208
Round trip
2026-10-12 – 2026-10-19
STL - Pittsburgh
40% AI deal score
$139
$217
Round trip
2026-10-28 – 2026-10-31
STL - Pittsburgh
42% AI deal score
$146
$225
Round trip
2026-10-03 – 2026-10-05
STL - Pittsburgh
42% AI deal score
$152
$225
Round trip
2026-10-28 – 2026-11-05
STL - Pittsburgh
39% AI deal score
$133
$227
Round trip
2026-10-29 – 2026-11-05
STL - Pittsburgh
40% AI deal score
$139
$227
Round trip
2026-11-04 – 2026-11-08
STL - Pittsburgh
39% AI deal score
$137
$234
Round trip
2026-11-15 – 2026-11-17
STL - Pittsburgh
39% AI deal score
$142
$234
Round trip

St. Louis to Pittsburgh: Overview

Insights for flights from St. Louis to Pittsburgh

Most itineraries for flights from St. Louis to Pittsburgh connect at least once, with only 60% of recent fares being non-stop. For those itineraries that do involve connections, the typical number of stopovers is 2.

A typical journey from St. Louis to Pittsburgh takes about 8h 10m, including connections. This duration reflects the overall travel time you can expect when flying this route.

When is the cheapest time to fly from St. Louis to Pittsburgh? You'll find the most affordable fares in July, with a median price of $163. January also offers competitive pricing, with a median of $184. Even September presents a more budget-friendly option compared to other months, with a median fare of $272.

Fares for cheap flights from St. Louis to Pittsburgh typically range from $275–$277, with a median of $276. Right now, fares are near the typical level for this route. Approximately 15% of recent fares were classified as a good price, indicating that deals appear regularly for this route, with new deals showing up several times a week.

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

Regular price: $110 - $394

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

The regular price range for flights from St. Louis to Pittsburgh is $110 to $394. The current lowest deal is $202 with Southwest Airlines for travel from Oct 21-Oct 24.

now $202

Low $110

High $394

The cheapest time to fly from St. Louis to Pittsburgh

The cheapest month to fly from St. Louis to Pittsburgh is July, with a median price of $163. The most expensive month to fly is February, with a median price of $363. Generally, prices are lower from January to September.

July

Cheapest

Flights from $163

February

Most Expensive

Flights from $363

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Direct flights from St. Louis to Pittsburgh

Southwest Airlines

Last-minute flights going from St. Louis to Pittsburgh

Thu, Sep 17

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$325

$343

One-way

Thu, Sep 24

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$253

$302

One-way

Thu, Sep 24

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$253

$307

One-way

Thu, Sep 24

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$254

$309

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$248

$365

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$249

$366

One-way

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

3 nights

Sep 20 - Sep 23

$415 → $373

10%

3 nights

Oct 11 - Oct 14

$275 → $265

2 nights

Sep 20 - Sep 22

$420 → $419

2 nights

Oct 2 - Oct 4

$285 → $285

Popular Airports to fly from St. Louis to Pittsburgh

St. Louis - Pittsburgh route insights

💸 Price insights

Recent fares are near the typical level

Recent fares for St. Louis to Pittsburgh are near the typical level of $276.

📅 Best time to fly

Fly in July for the best prices

Historically, July offers the lowest median price at $163 for St. Louis to Pittsburgh.

⏱️ Flight duration

Connecting flights average 8h 10m

The median flight duration for this route, including stopovers, is 8 hours 10 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 60% of routes, typically with 2 stopovers.

🏆 Airline highlight

Southwest Airlines offers direct flights

Southwest Airlines has 1 direct deal available for this route.

🎯 Booking tip

Deals appear regularly

Deals for St. Louis to Pittsburgh flights appear regularly, about every 30 days.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

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

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

💸 Flights from ~$206

Pittsburgh main airports to arrive at

Pittsburgh International (PIT)

Cheapest

Pittsburgh International Airport is a convenient arrival point for flights from St. Louis to Pittsburgh.

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

💸 Flights from ~$206

Airports nearby Pittsburgh used as alternative

Cleveland Hopkins International (CLE)

Cheapest

Cleveland Hopkins International offers significantly more direct flight options and a broad carrier selection if PIT is unavailable.

📍 ~200 km from Pittsburgh (reachable by car)

💸 Flights from ~$101

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 13

Pittsburgh, United States

82% AI deal score

$1,310

$607

Save $703

United Airlines

Business Class

From STL

Elite

Oct 10

Pittsburgh, United States

82% AI deal score

$1,288

$607

Save $681

United Airlines

Business Class

From STL

Elite

Oct 28

Pittsburgh, United States

82% AI deal score

$1,379

$607

Save $772

United Airlines

Business Class

From STL

Elite

Oct 03

Pittsburgh, United States

82% AI deal score

$1,303

$607

Save $696

United Airlines

Business Class

From STL

Elite

Nov 04

Pittsburgh, United States

82% AI deal score

$1,346

$607

Save $739

United Airlines

Business Class

From STL

Elite

Oct 10

Pittsburgh, United States

81% AI deal score

$1,264

$607

Save $657

United Airlines

Business Class

From STL

Elite

Nov 15

Pittsburgh, United States

81% AI deal score

$1,385

$627

Save $758

United Airlines

Business Class

From STL

Elite

Oct 27

Pittsburgh, United States

80% AI deal score

$1,155

$604

Save $551

United Airlines

Business Class

From STL

Elite

Oct 10

Pittsburgh, United States

80% AI deal score

$1,105

$607

Save $498

United Airlines

Business Class

From STL

Elite

Oct 24

Pittsburgh, United States

80% AI deal score

$1,143

$607

Save $536

United Airlines

Business Class

From STL

Elite

Oct 07

Pittsburgh, United States

80% AI deal score

$1,107

$607

Save $500

United Airlines

Business Class

From STL

Elite

Oct 28

Pittsburgh, United States

80% AI deal score

$1,196

$607

Save $589

United Airlines

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 sites can also help uncover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance, often several weeks to a few months before your trip, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares is usually a good strategy. Mid-week bookings may also offer different pricing compared to weekends.

Comparing nearby airports can sometimes reveal more economical flight options or different schedules. While it might add to your ground travel, the potential savings on airfare could be significant. Always factor in the total cost and convenience when considering alternative airports.

Related routes

More routes from St. Louis

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Flights to Pittsburgh from other cities

Flights from Amsterdam to Pittsburgh Flights from Atlanta to Pittsburgh Flights from Boston to Pittsburgh Flights from Charlotte to Pittsburgh Flights from Chicago to Pittsburgh Flights from Dallas to Pittsburgh Flights from Denver to Pittsburgh Flights from Fort Myers to Pittsburgh Flights from Frankfurt to Pittsburgh Flights from Nashville to Pittsburgh Flights from Tampa to Pittsburgh Flights from Washington, D.C. to Pittsburgh

St. Louis to Pittsburgh: Overview

Insights for flights from St. Louis to Pittsburgh

A typical journey from St. Louis to Pittsburgh takes about 8h 10m, including connections. This duration reflects the overall travel time you can expect when flying this route.

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

Regular price: $110 - $394

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

The regular price range for flights from St. Louis to Pittsburgh is $110 to $394. The current lowest deal is $202 with Southwest Airlines for travel from Oct 21-Oct 24.

now $202

Low $110

High $394

The cheapest time to fly from St. Louis to Pittsburgh

July

Cheapest

Flights from $163

February

Most Expensive

Flights from $363

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Direct flights from St. Louis to Pittsburgh

Southwest Airlines

Last-minute flights going from St. Louis to Pittsburgh

Thu, Sep 17

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$325

$343

One-way

Thu, Sep 24

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$253

$302

One-way

Thu, Sep 24

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$253

$307

One-way

Thu, Sep 24

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$254

$309

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$248

$365

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Pittsburgh

St. Louis (STL) - Pittsburgh (PIT)

Southern Airways, Allegiant Air

$249

$366

One-way

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

3 nights

Sep 20 - Sep 23

$415 → $373

10%

3 nights

Oct 11 - Oct 14

$275 → $265

2 nights

Sep 20 - Sep 22

$420 → $419

2 nights

Oct 2 - Oct 4

$285 → $285

Popular Airports to fly from St. Louis to Pittsburgh

St. Louis - Pittsburgh route insights

💸 Price insights

Recent fares are near the typical level

Recent fares for St. Louis to Pittsburgh are near the typical level of $276.

📅 Best time to fly

Fly in July for the best prices

Historically, July offers the lowest median price at $163 for St. Louis to Pittsburgh.

⏱️ Flight duration

Connecting flights average 8h 10m

The median flight duration for this route, including stopovers, is 8 hours 10 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 60% of routes, typically with 2 stopovers.

🏆 Airline highlight

Southwest Airlines offers direct flights

Southwest Airlines has 1 direct deal available for this route.

🎯 Booking tip

Deals appear regularly

Deals for St. Louis to Pittsburgh flights appear regularly, about every 30 days.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

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

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

💸 Flights from ~$206

Pittsburgh main airports to arrive at

Pittsburgh International (PIT)

Cheapest

Pittsburgh International Airport is a convenient arrival point for flights from St. Louis to Pittsburgh.

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

💸 Flights from ~$206

Airports nearby Pittsburgh used as alternative

Cleveland Hopkins International (CLE)

Cheapest

Cleveland Hopkins International offers significantly more direct flight options and a broad carrier selection if PIT is unavailable.

Pittsburgh, United States

80% AI deal score

$1,196

$607

Save $589

United Airlines

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 near the typical level

Fly in July for the best prices

Connecting flights average 8h 10m

Connecting flights are dominant

Southwest Airlines offers direct flights

Deals appear regularly

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 13

Oct 10

Oct 28

Oct 03

Nov 04

Oct 10

Nov 15

Oct 27

Oct 10

Oct 24

Oct 07

Oct 28

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 near the typical level

Fly in July for the best prices

Connecting flights average 8h 10m

Connecting flights are dominant

Southwest Airlines offers direct flights

Deals appear regularly

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 13

Oct 10

Oct 28

Oct 03

Nov 04

Oct 10

Nov 15

Oct 27

Oct 10

Oct 24

Oct 07

Oct 28

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?