HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lehigh Valley

$180+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ABE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Keep the following information in mind while searching for St. Louis to Lehigh Valley flight deals. Data was last updated June 12, 2025.

Round-trip from

$249
(Delta)

One-way from

$180
(Delta)

Popular in

February

Cheapest in

August

Average price

$289
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. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:36 pmSTL - ABE
1 stop6h 03mDelta
Sat 9/136:30 amABE - STL
1 stop6h 55mDelta
Deal found 6/10$249
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/264:37 pmSTL - ABE
1 stop6h 43mAmerican Airlines
Mon 6/308:02 pmABE - STL
1 stop4h 57mAmerican Airlines
Deal found 6/11$379
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/269:50 amSTL - ABE
2 stops10h 03mMultiple Airlines
Mon 6/306:30 amABE - STL
3 stops13h 11mMultiple Airlines
Deal found 6/11$451
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:33 amSTL - ABE
1 stop9h 27mUnited Airlines
Tue 7/155:35 pmABE - STL
1 stop6h 10mUnited Airlines
Deal found 6/11$747

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Lehigh Valley that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Lehigh Valley that are best for you.

Fly from

St. Louis

Fly to

Lehigh Valley

Route

Depart

Return

Price

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Tue 9/9

3:36 pm-10:39 pm

1 stop6h 03m

Allentown-Bethlehem

Sat 9/13

6:30 am-12:25 pm

1 stop6h 55m

$249

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Thu 6/26

4:37 pm-12:20 am

1 stop6h 43m

Allentown-Bethlehem

Mon 6/30

8:02 pm-11:59 pm

1 stop4h 57m

$379

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Thu 6/26

9:50 am-8:53 pm

2 stops10h 03m

Allentown-Bethlehem

Mon 6/30

6:30 am-6:41 pm

3 stops13h 11m

$451

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 7/9

6:33 am-5:00 pm

1 stop9h 27m

Allentown-Bethlehem

Tue 7/15

5:35 pm-10:45 pm

1 stop6h 10m

$747

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Fri 7/4

3:42 pm-9:16 pm

1 stop4h 34m

$180

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Mon 7/14

4:28 pm-12:27 am

1 stop6h 59m

$239

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Fri 7/4

6:36 pm-10:22 pm

2 stops26h 46m

$283

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Mon 7/14

4:45 pm-5:00 pm

2 stops23h 15m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $292). Flying from St. Louis to Lehigh Valley in December is currently the most expensive (average of $395). 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.

Rainfall in Lehigh Valley by month

Plan your trip to Lehigh Valley by taking into account the average rainfall totals by month.

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.

Temperature in Lehigh Valley by month

Plan your trip to Lehigh Valley by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Lehigh Valley

Get insights into the airlines that provide service to Lehigh Valley. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lehigh Valley. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

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?

    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.

  • What are the cheapest airlines to fly from St. Louis to Lehigh Valley one-way?

    $180 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $239 and $518, respectively.

  • 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 $292). Flying from St. Louis to Lehigh Valley in December is currently the most expensive (average of $395). 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

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.
St. Louis to LaGuardia flights
Kansas City to John F Kennedy Intl flights
St. Louis to Newark flights
Kansas City to LaGuardia flights
Kansas City to Newark flights
St. Louis to John F Kennedy Intl flights
Kansas City to Dulles Intl flights
St. Louis to Dulles Intl flights
Kansas City to Reagan-National flights
St. Louis to Philadelphia flights
St. Louis to Reagan-National flights
Kansas City to Philadelphia flights
Springfield to John F Kennedy Intl flights
Springfield to LaGuardia flights
St. Louis to Pittsburgh flights
Springfield to Newark flights
Kansas City to Harrisburg flights
Kansas City to Pittsburgh flights
Kansas City to Allentown flights
Springfield to Reagan-National flights
St. Louis to Allentown flights
Springfield to Dulles Intl flights
St. Louis to Harrisburg flights
Springfield to Harrisburg flights
Springfield to Philadelphia flights
Springfield to Pittsburgh flights
St. Louis to Scranton flights
Columbia to John F Kennedy Intl flights
Columbia to LaGuardia flights
Joplin to Dulles Intl flights
Joplin to Reagan-National flights
Kansas City to Scranton flights
Springfield to Allentown flights
Columbia to Dulles Intl flights
Columbia to Newark flights
Columbia to Pittsburgh flights
Columbia to Reagan-National flights
St. Louis to State College flights
St. Louis to Elmira flights
Joplin to LaGuardia flights
Joplin to Newark flights
Fort Leonard Wood to Reagan-National flights
Kansas City to Latrobe flights
Branson to Philadelphia flights
Columbia to Philadelphia flights
St. Louis to Williamsport flights
Joplin to John F Kennedy Intl flights

Top 3 airlines flying from St. Louis to Lehigh Valley

Discover the top 3 airlines that operate flights from St. Louis to Lehigh Valley. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$223Average$488FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$233Average$348FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$463FlexibilityNo cancel feeOn-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.