$149+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ABE
May 3 — May 101
Round-trip
1 adult, Economy
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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
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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 April 3, 2026.
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 April 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:33 pm
STL
- ABE
2 stops21h 24m
Multiple Airlines
Tue 6/2310:00 am
ABE
- STL
1 stop15h 14m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/307:45 am
STL
- ABE
1 stop4h 53m
United Airlines
Sun 5/32:25 pm
ABE
- STL
1 stop7h 48m
United Airlines
Deal found 3/31![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:59 pm
STL
- ABE
1 stop17h 28m
Multiple Airlines
Mon 4/271:41 pm
ABE
- STL
2 stops42h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 4/3. 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.
Thu 4/306:00 am
STL
- ABE
1 stop5h 12m
Delta
Sun 5/36:33 am
ABE
- STL
1 stop5h 01m
Delta
Deal found 4/3![Delta logo]()
$371
This American Airlines deal was found by Cheapflights users on 4/1. 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 4/236:55 pm
STL
- ABE
1 stop4h 27m
American Airlines
Tue 4/286:00 am
ABE
- STL
1 stop4h 44m
American Airlines
Deal found 4/1![American Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 5/186:54 pm
STL
- ABE
1 stop4h 28m
American Airlines
Wed 5/2012:00 pm
ABE
- STL
1 stop7h 04m
American Airlines
Deal found 4/1![American Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
- ABE
2 stops31h 49m
Multiple Airlines
Sun 5/39:00 am
ABE
- STL
1 stop15h 19m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 6/151:13 pm
STL
- ABE
1 stop7h 04m
United Airlines
Tue 6/232:23 pm
ABE
- STL
1 stop7h 53m
United Airlines
Deal found 4/1![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 6/219:23 am
STL
- ABE
1 stop6h 38m
United Airlines
Sun 6/286:15 am
ABE
- STL
1 stop6h 56m
United Airlines
Deal found 3/31![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 4/1. 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.
Thu 4/236:00 am
STL
- ABE
1 stop5h 12m
Delta
Sun 4/265:59 pm
ABE
- STL
1 stop6h 37m
Delta
Deal found 4/1![Delta logo]()
$418
Best flights from St. Louis to Lehigh ValleyDiscover 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 April 3, 2026.
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 April 3, 2026.
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/307:45 am
STL
- ABE
1 stop4h 53m
United Airlines
Sun 5/32:25 pm
ABE
- STL
1 stop7h 48m
United Airlines
Deal found 3/31![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:59 pm
STL
- ABE
1 stop17h 28m
Multiple Airlines
Mon 4/271:41 pm
ABE
- STL
2 stops42h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 4/3. 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.
Thu 4/306:00 am
STL
- ABE
1 stop5h 12m
Delta
Sun 5/36:33 am
ABE
- STL
1 stop5h 01m
Delta
Deal found 4/3![Delta logo]()
$371
This American Airlines deal was found by Cheapflights users on 4/1. 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 4/236:55 pm
STL
- ABE
1 stop4h 27m
American Airlines
Tue 4/286:00 am
ABE
- STL
1 stop4h 44m
American Airlines
Deal found 4/1![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 6/151:13 pm
STL
- ABE
1 stop7h 04m
United Airlines
Tue 6/232:23 pm
ABE
- STL
1 stop7h 53m
United Airlines
Deal found 4/1![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 6/219:23 am
STL
- ABE
1 stop6h 38m
United Airlines
Sun 6/286:15 am
ABE
- STL
1 stop6h 56m
United Airlines
Deal found 3/31![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 7/153:40 pm
STL
- ABE
1 stop5h 47m
Delta
Mon 7/206:05 pm
ABE
- STL
1 stop6h 48m
Delta
Deal found 3/30![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/159:10 am
STL
- ABE
1 stop6h 53m
United Airlines
Sun 4/196:15 am
ABE
- STL
1 stop5h 30m
United Airlines
Deal found 3/30![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 4/179:10 am
STL
- ABE
1 stop6h 53m
United Airlines
Tue 4/215:43 pm
ABE
- STL
1 stop4h 30m
United Airlines
Deal found 4/2![United Airlines logo]()
$648
Last-minute flights from St. Louis to Lehigh ValleyDiscover last-minute flight deals from St. Louis to Lehigh Valley. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Lehigh Valley. Data last updated April 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 4/21:10 pm
STL
- ABE
1 stop7h 07m
United Airlines
Sun 4/56:15 am
ABE
- STL
1 stop5h 30m
United Airlines
Deal found 3/30![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Sun 4/53:15 pm
STL
- ABE
1 stop5h 02m
United Airlines
Sat 4/115:43 pm
ABE
- STL
1 stop4h 30m
United Airlines
Deal found 4/2![United Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:25 am
STL
- ABE
2 stops31h 45m
Multiple Airlines
Sun 4/199:00 am
ABE
- STL
1 stop15h 19m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:59 pm
STL
- ABE
1 stop17h 28m
Multiple Airlines
Mon 4/271:41 pm
ABE
- STL
2 stops42h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 4/1. 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 4/236:55 pm
STL
- ABE
1 stop4h 27m
American Airlines
Tue 4/286:00 am
ABE
- STL
1 stop4h 44m
American Airlines
Deal found 4/1![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 4/1. 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.
Thu 4/236:00 am
STL
- ABE
1 stop5h 12m
Delta
Sun 4/265:59 pm
ABE
- STL
1 stop6h 37m
Delta
Deal found 4/1![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/307:45 am
STL
- ABE
1 stop4h 53m
United Airlines
Sun 5/32:25 pm
ABE
- STL
1 stop7h 48m
United Airlines
Deal found 3/31![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 4/3. 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.
Thu 4/306:00 am
STL
- ABE
1 stop5h 12m
Delta
Sun 5/36:33 am
ABE
- STL
1 stop5h 01m
Delta
Deal found 4/3![Delta logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
- ABE
2 stops31h 49m
Multiple Airlines
Sun 5/39:00 am
ABE
- STL
1 stop15h 19m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 5/186:54 pm
STL
- ABE
1 stop4h 28m
American Airlines
Wed 5/2012:00 pm
ABE
- STL
1 stop7h 04m
American Airlines
Deal found 4/1![American Airlines logo]()
$386
One-way flights from St. Louis to Lehigh ValleySearch for one-way flight options from St. Louis to Lehigh Valley. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from St. Louis to Lehigh Valley. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 4/285:53 pm
STL
- ABE
1 stop4h 35m
American Airlines
Deal found 4/3![American Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:06 pm
STL
- ABE
2 stops18h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 4/176:55 pm
STL
- ABE
1 stop4h 27m
American Airlines
Deal found 3/31![American Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 4/176:00 am
STL
- ABE
1 stop5h 12m
Delta
Deal found 3/31![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 4/284:49 pm
STL
- ABE
2 stops23h 14m
United Airlines
Deal found 4/3![United Airlines logo]()
$459
Find 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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (Kiwi.com) |
One-way from | $149 (American Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $303 |
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 April 3, 2026.
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
Cheapest round-trip
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Thu 4/30
7:45 am-1:38 pm
1 stop4h 53m
Allentown-Bethlehem
Sun 5/3
2:25 pm-9:13 pm
1 stop7h 48m
$329
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Mon 4/20
4:59 pm-11:27 am
1 stop17h 28m
Allentown-Bethlehem
Mon 4/27
1:41 pm-6:50 am
2 stops42h 09m
$334
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Thu 4/30
6:00 am-12:12 pm
1 stop5h 12m
Allentown-Bethlehem
Sun 5/3
6:33 am-10:34 am
1 stop5h 01m
$371
Quickest round-trip
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Thu 4/23
6:55 pm-12:22 am
1 stop4h 27m
Allentown-Bethlehem
Tue 4/28
6:00 am-9:44 am
1 stop4h 44m
$375
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Mon 6/15
1:13 pm-9:17 pm
1 stop7h 04m
Allentown-Bethlehem
Tue 6/23
2:23 pm-9:16 pm
1 stop7h 53m
$407
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Sun 6/21
9:23 am-5:01 pm
1 stop6h 38m
Allentown-Bethlehem
Sun 6/28
6:15 am-12:11 pm
1 stop6h 56m
$410
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Wed 7/15
3:40 pm-10:27 pm
1 stop5h 47m
Allentown-Bethlehem
Mon 7/20
6:05 pm-11:53 pm
1 stop6h 48m
$467
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Wed 4/15
9:10 am-5:03 pm
1 stop6h 53m
Allentown-Bethlehem
Sun 4/19
6:15 am-10:45 am
1 stop5h 30m
$568
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Fri 4/17
9:10 am-5:03 pm
1 stop6h 53m
Allentown-Bethlehem
Tue 4/21
5:43 pm-9:13 pm
1 stop4h 30m
$648
Cheapest one-way
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Tue 4/28
3:24 pm-11:28 pm
1 stop7h 04m
$170
Showing 1-10 of 13 resultsSorted by cheapest first
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.
STL-ABE
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
STL-zzYGE
STL-ABE
What is the cheapest month to book a flight from St. Louis to Lehigh Valley?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Lehigh Valley (average of $177). Flying from St. Louis to Lehigh Valley in March is currently the most expensive (average of $610). 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 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 April 3, 2026.
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.
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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Alternative routes for St. Louis to Lehigh Valley
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Complete your trip
Complete your trip to Lehigh Valley by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Lehigh Valley by cabin class
Find flights from St. Louis to Lehigh Valley, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Lehigh Valley flights
Browse other St. Louis and Lehigh Valley flight options. Last updated on April 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from St. Louis to Lehigh Valley
Discover the top 2 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$233 | Average$303 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$323 | FlexibilityNo cancel fee | On-timeN/A |