How long is the flight from St. Louis to Lehigh Valley?

Airlines like Delta, American Airlines, and United Airlines fly from St. Louis to Lehigh Valley in about 4h 38m. The time it takes to get you to your destination can typically vary by up to 2h 51m. The distance between St. Louis and Lehigh Valley is about 803 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Lehigh Valley ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Lehigh Valley when rainfall is around 2.7 in.

If weather is an important factor for your trip to Lehigh Valley, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from STL to YGE?

When flying from St. Louis to Lehigh Valley, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from St. Louis to Lehigh Valley?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Lehigh Valley.

Can I find deals for flights from St. Louis to Lehigh Valley that include hotel bookings?

Yes. In addition to deals on St. Louis to Lehigh Valley flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Lehigh Valley?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Lehigh Valley.

Can I find deals for business class flights from St. Louis to Lehigh Valley?

Yes. Cheapflights offers flight deals from St. Louis to Lehigh Valley by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$159+ Cheap Flights from St. Louis to Lehigh Valley

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from St. Louis to Lehigh Valley with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Lehigh Valley

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$249 (Delta)
One-way from	$159 (Kiwi.com)
Popular in	February
Cheapest in	October
Average price	$308

Provider with most accurate pricing for Lambert-St Louis-Allentown-Bethlehem flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Allentown-Bethlehem flights.

Search Deals

From Lambert-St Louis to Lehigh Valley

Search Deals

One-way flight from Lambert-St Louis to Lehigh Valley

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from St. Louis to Lehigh Valley

Cheapest flights from St. Louis to Lehigh Valley
Explore the most affordable flight options available from St. Louis to Lehigh Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2025.

Tue 10/73:59 pmSTL - ABE

1 stop5h 16mDelta

Sat 10/116:00 pmABE - STL

1 stop5h 04mDelta

Deal found 9/22

$259

Thu 11/65:00 amSTL - ABE

1 stop7h 29mAmerican Airlines

Sat 11/85:10 pmABE - STL

1 stop7h 55mAmerican Airlines

Deal found 9/21

$279

Thu 10/235:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Sat 10/251:00 pmABE - STL

1 stop6h 17mUnited Airlines

Deal found 9/22

$314

Fri 11/73:59 pmSTL - ABE

1 stop5h 16mDelta

Sat 11/86:00 pmABE - STL

1 stop5h 04mDelta

Deal found 9/21

$324

Wed 10/85:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Wed 10/226:30 amABE - STL

1 stop5h 19mUnited Airlines

Deal found 9/22

$346

Wed 11/265:00 amSTL - ABE

1 stop7h 29mAmerican Airlines

Fri 11/286:16 amABE - STL

1 stop8h 01mAmerican Airlines

Deal found 9/23

$349

Wed 10/86:25 amSTL - ABE

1 stop6h 48mAmerican Airlines

Tue 10/216:00 amABE - STL

1 stop4h 37mAmerican Airlines

Deal found 9/22

$354

Wed 10/85:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Sun 10/126:30 amABE - STL

1 stop5h 19mUnited Airlines

Deal found 9/23

$369

Fri 9/268:23 amSTL - ABE

1 stop4h 42mAmerican Airlines

Tue 9/302:37 pmABE - STL

1 stop4h 55mAmerican Airlines

Deal found 9/23

$379

Fri 9/268:23 amSTL - ABE

1 stop4h 42mAmerican Airlines

Mon 9/297:00 pmABE - STL

1 stop5h 07mAmerican Airlines

Deal found 9/23

$394

Best flights from St. Louis to Lehigh Valley
Discover carefully curated flight deals from St. Louis to Lehigh Valley that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2025.

Sat 2/215:00 pmSTL - ABE

1 stop4h 52mDelta

Tue 2/245:40 pmABE - STL

1 stop7h 00mDelta

Deal found 9/21

$249

Thu 11/65:00 amSTL - ABE

1 stop7h 29mAmerican Airlines

Sat 11/85:10 pmABE - STL

1 stop7h 55mAmerican Airlines

Deal found 9/21

$279

Thu 10/235:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Sat 10/251:00 pmABE - STL

1 stop6h 17mUnited Airlines

Deal found 9/22

$314

Wed 2/186:00 amSTL - ABE

1 stop5h 07mDelta

Sat 2/215:40 pmABE - STL

1 stop7h 00mDelta

Deal found 9/22

$249

Tue 10/73:59 pmSTL - ABE

1 stop5h 16mDelta

Sat 10/116:00 pmABE - STL

1 stop5h 04mDelta

Deal found 9/22

$259

Wed 10/85:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Wed 10/226:30 amABE - STL

1 stop5h 19mUnited Airlines

Deal found 9/22

$346

Wed 11/265:00 amSTL - ABE

1 stop7h 29mAmerican Airlines

Fri 11/286:16 amABE - STL

1 stop8h 01mAmerican Airlines

Deal found 9/23

$349

Wed 10/86:25 amSTL - ABE

1 stop6h 48mAmerican Airlines

Tue 10/216:00 amABE - STL

1 stop4h 37mAmerican Airlines

Deal found 9/22

$354

Fri 11/73:59 pmSTL - ABE

1 stop5h 16mDelta

Sat 11/86:00 pmABE - STL

1 stop5h 04mDelta

Deal found 9/21

$324

Wed 10/85:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Sun 10/126:30 amABE - STL

1 stop5h 19mUnited Airlines

Deal found 9/23

$369

Sat 2/217:01 pmSTL - ABE

1 stop4h 15mAmerican Airlines

Tue 2/246:15 amABE - STL

2 stops12h 41mAmerican Airlines

Deal found 9/21

$372

Last-minute flights from St. Louis to Lehigh Valley
Discover last-minute flight deals from St. Louis to Lehigh Valley. Data last updated September 23, 2025 and is based on user searches.

Fri 9/262:11 pmSTL - ABE

1 stop6h 39mAmerican Airlines

Tue 9/307:00 pmABE - STL

1 stop5h 07mAmerican Airlines

Deal found 9/22

$379

Fri 9/268:23 amSTL - ABE

1 stop4h 42mAmerican Airlines

Mon 9/297:00 pmABE - STL

1 stop5h 07mAmerican Airlines

Deal found 9/23

$394

Tue 10/73:59 pmSTL - ABE

1 stop5h 16mDelta

Sat 10/116:00 pmABE - STL

1 stop5h 04mDelta

Deal found 9/22

$259

Wed 10/85:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Wed 10/226:30 amABE - STL

1 stop5h 19mUnited Airlines

Deal found 9/22

$346

Wed 10/86:25 amSTL - ABE

1 stop6h 48mAmerican Airlines

Tue 10/216:00 amABE - STL

1 stop4h 37mAmerican Airlines

Deal found 9/22

$354

Wed 10/85:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Sun 10/126:30 amABE - STL

1 stop5h 19mUnited Airlines

Deal found 9/23

$369

Wed 10/85:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Tue 10/215:28 pmABE - STL

2 stops24h 04mUnited Airlines

Deal found 9/22

$477

Thu 10/911:32 amSTL - ABE

2 stops9h 43mMultiple Airlines

Thu 10/237:30 amABE - STL

1 stop26h 37mMultiple Airlines

Deal found 9/22

$409

Thu 10/95:30 amSTL - ABE

1 stop6h 56mAmerican Airlines

Thu 10/235:53 pmABE - STL

1 stop7h 05mAmerican Airlines

Deal found 9/22

$534

Thu 10/235:00 amSTL - ABE

1 stop4h 38mUnited Airlines

Sat 10/251:00 pmABE - STL

1 stop6h 17mUnited Airlines

Deal found 9/22

$314

Fri 10/243:59 pmSTL - ABE

1 stop5h 16mDelta

Mon 10/276:00 pmABE - STL

1 stop6h 41mDelta

Deal found 9/23

$454

One-way flights from St. Louis to Lehigh Valley
Search for one-way flight options from St. Louis to Lehigh Valley. Find affordable one-way fares based on user searches. Data last updated September 23, 2025.

Wed 10/17:55 pmSTL - ABE

1 stop18h 47mMultiple Airlines

Deal found 9/23

$159

Mon 10/203:59 pmSTL - ABE

1 stop5h 16mDelta

Deal found 9/23

$239

Thu 12/186:00 amSTL - ABE

1 stop5h 14mDelta

Deal found 9/23

$259

Sat 10/43:55 pmSTL - ABE

1 stop5h 27mDelta

Deal found 9/22

$375

Mon 10/206:05 pmSTL - ABE

3 stops43h 41mMultiple Airlines

Deal found 9/23

$387

Mon 10/136:00 amSTL - ABE

1 stop5h 06mDelta

Deal found 9/22

$399

Thu 12/189:08 amSTL - ABE

2 stops13h 21mAmerican Airlines

Deal found 9/22

$423

Sat 12/205:17 pmSTL - ABE

1 stop4h 29mDelta

Deal found 9/23

$439

Fri 12/1911:40 amSTL - ABE

1 stop4h 34mDelta

Deal found 9/23

$470

Fri 12/191:55 pmSTL - ABE

2 stops8h 34mAmerican Airlines

Deal found 9/22

$477

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Lehigh Valley that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Sat 2/21

5:00 pm-10:52 pm

1 stop4h 52m

Allentown-Bethlehem

Tue 2/24

5:40 pm-11:40 pm

1 stop7h 00m

$249

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 2/18

6:00 am-12:07 pm

1 stop5h 07m

Allentown-Bethlehem

Sat 2/21

5:40 pm-11:40 pm

1 stop7h 00m

$249

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Tue 10/7

3:59 pm-10:15 pm

1 stop5h 16m

Allentown-Bethlehem

Sat 10/11

6:00 pm-10:04 pm

1 stop5h 04m

$259

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Thu 11/6

5:00 am-1:29 pm

1 stop7h 29m

Allentown-Bethlehem

Sat 11/8

5:10 pm-12:05 am

1 stop7h 55m

$279

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Thu 10/23

5:00 am-10:38 am

1 stop4h 38m

Allentown-Bethlehem

Sat 10/25

1:00 pm-6:17 pm

1 stop6h 17m

$314

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Fri 11/7

3:59 pm-10:15 pm

1 stop5h 16m

Allentown-Bethlehem

Sat 11/8

6:00 pm-10:04 pm

1 stop5h 04m

$324

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 10/8

5:00 am-10:38 am

1 stop4h 38m

Allentown-Bethlehem

Wed 10/22

6:30 am-10:49 am

1 stop5h 19m

$346

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 11/26

5:00 am-1:29 pm

1 stop7h 29m

Allentown-Bethlehem

Fri 11/28

6:16 am-1:17 pm

1 stop8h 01m

$349

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 10/8

6:25 am-2:13 pm

1 stop6h 48m

Allentown-Bethlehem

Tue 10/21

6:00 am-9:37 am

1 stop4h 37m

$354

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 10/8

5:00 am-10:38 am

1 stop4h 38m

Allentown-Bethlehem

Sun 10/12

6:30 am-10:49 am

1 stop5h 19m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 20 results

Best time to book a flight from St. Louis to Lehigh Valley

Have a flexible travel schedule? Discover the best time to fly to Lehigh Valley from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Lehigh Valley

What is the cheapest month to book a flight from St. Louis to Lehigh Valley?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Lehigh Valley (average of $289). Flying from St. Louis to Lehigh Valley in December is currently the most expensive (average of $380). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Lehigh Valley

Get a feel of what it's like to fly with Delta and American Airlines from St. Louis to Lehigh Valley by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,973 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from St. Louis to Lehigh Valley?
Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Lehigh Valley.
How long is the flight from St. Louis to Lehigh Valley?
Airlines like Delta, American Airlines, and United Airlines fly from St. Louis to Lehigh Valley in about 4h 38m. The time it takes to get you to your destination can typically vary by up to 2h 51m. The distance between St. Louis and Lehigh Valley is about 803 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from St. Louis to Lehigh Valley that include hotel bookings?
Yes. In addition to deals on St. Louis to Lehigh Valley flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Lehigh Valley?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Lehigh Valley.
Can I find deals for business class flights from St. Louis to Lehigh Valley?
Yes. Cheapflights offers flight deals from St. Louis to Lehigh Valley by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Lehigh Valley?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Lehigh Valley (average of $289). Flying from St. Louis to Lehigh Valley in December is currently the most expensive (average of $380). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Lehigh Valley

St. Louis to LaGuardia flights

St. Louis to John F Kennedy Intl flights

St. Louis to Newark flights

Kansas City to Newark flights

Kansas City to John F Kennedy Intl flights

Kansas City to LaGuardia flights

St. Louis to Dulles Intl flights

Kansas City to Dulles Intl flights

St. Louis to Reagan-National flights

St. Louis to Pittsburgh flights

Kansas City to Philadelphia flights

St. Louis to Philadelphia flights

Kansas City to Reagan-National flights

Springfield to John F Kennedy Intl flights

Springfield to LaGuardia flights

Springfield to Newark flights

Columbia to Reagan-National flights

Springfield to Dulles Intl flights

Kansas City to Pittsburgh flights

Springfield to Reagan-National flights

St. Louis to Harrisburg flights

Kansas City to Allentown flights

Springfield to Philadelphia flights

Springfield to Harrisburg flights

Springfield to Pittsburgh flights

Columbia to Philadelphia flights

Kansas City to Harrisburg flights

Columbia to Newark flights

Joplin to LaGuardia flights

St. Louis to Allentown flights

Joplin to Newark flights

Columbia to LaGuardia flights

Columbia to Dulles Intl flights

Columbia to John F Kennedy Intl flights

St. Louis to State College flights

St. Louis to Scranton flights

Joplin to Philadelphia flights

Kansas City to Scranton flights

Kansas City to Erie flights

Springfield to Allentown flights

Joplin to Dulles Intl flights

Joplin to Reagan-National flights

Kansas City to Elmira flights

Columbia to Pittsburgh flights

St. Louis to Elmira flights

Fort Leonard Wood to Reagan-National flights

Kansas City to Williamsport flights

Joplin to John F Kennedy Intl flights

Complete your trip

Lehigh Valley car rentals

Philadelphia Airport car rentals

Pittsburgh Airport car rentals

Harrisburg Airport car rentals

Wilkes-Barre Scranton Airport car rentals

State College University Park Airport car rentals

Erie Airport car rentals

Latrobe Westmoreland County Airport car rentals

Williamsport Lycoming County Airport car rentals

Johnstown Cambria County Airport car rentals

Altoona Blair County Airport car rentals

Bradford Airport car rentals

Top 2 airlines flying from St. Louis to Lehigh Valley

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$228	Average$348	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$303	Average$477	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$159+ Cheap flights from St. Louis (STL) to Lehigh Valley

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Lehigh Valley with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Lehigh Valley

Keep the following information in mind while searching for St. Louis to Lehigh Valley flight deals. Data was last updated September 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Lehigh Valley

Cheapest flights from St. Louis to Lehigh ValleyExplore the most affordable flight options available from St. Louis to Lehigh Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2025.

Explore the most affordable flight options available from St. Louis to Lehigh Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Lehigh Valley that are best for you.

Best time to book a flight from St. Louis to Lehigh Valley

Have a flexible travel schedule? Discover the best time to fly to Lehigh Valley from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Lehigh Valley

What is the cheapest month to book a flight from St. Louis to Lehigh Valley?

Reviews of airlines servicing Lehigh Valley

Get a feel of what it's like to fly with Delta and American Airlines from St. Louis to Lehigh Valley by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Lehigh Valley. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Lehigh Valley?

How long is the flight from St. Louis to Lehigh Valley?

Can I find deals for flights from St. Louis to Lehigh Valley that include hotel bookings?

How can I find direct flights from St. Louis to Lehigh Valley?

Can I find deals for business class flights from St. Louis to Lehigh Valley?

What is the cheapest month to book a flight from St. Louis to Lehigh Valley?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Lehigh Valley

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Lehigh Valley

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to Lehigh Valley
Explore the most affordable flight options available from St. Louis to Lehigh Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2025.