$315+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ABE
Mar 15 — Mar 221
1 adult, Economy
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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
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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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Best
Last-minute
One-way
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 February 13, 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 February 13, 2026.
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:42 pm
STL
- ABE
1 stop6h 14m
Delta
Mon 7/206:30 am
ABE
- STL
1 stop7h 24m
Delta
Deal found 2/11![Delta logo]()
$400
This American Airlines deal was found by Cheapflights users on 2/12. 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 6/56:12 pm
STL
- ABE
1 stop5h 09m
American Airlines
Sun 6/75:18 pm
ABE
- STL
1 stop4h 12m
American Airlines
Deal found 2/12![American Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/188:17 am
STL
- ABE
1 stop7h 31m
United Airlines
Sat 2/215:23 pm
ABE
- STL
1 stop4h 42m
United Airlines
Deal found 2/9![United Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
STL
- ABE
1 stop5h 05m
Delta
Tue 3/35:58 pm
ABE
- STL
1 stop6h 38m
Delta
Deal found 2/11![Delta logo]()
$510
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:04 pm
STL
- ABE
1 stop4h 13m
Delta
Sat 3/215:58 pm
ABE
- STL
1 stop7h 00m
Delta
Deal found 2/11![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/139:55 am
STL
- ABE
1 stop5h 53m
United Airlines
Sun 2/1510:36 am
ABE
- STL
1 stop6h 26m
United Airlines
Deal found 2/12![United Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 2/12. 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 6/56:12 pm
STL
- ABE
1 stop5h 09m
American Airlines
Mon 6/85:18 pm
ABE
- STL
1 stop7h 36m
American Airlines
Deal found 2/12![American Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:59 am
STL
- ABE
1 stop6h 20m
Delta
Sun 4/195:59 pm
ABE
- STL
1 stop6h 35m
Delta
Deal found 2/11![Delta logo]()
$577
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 February 13, 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 February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/188:17 am
STL
- ABE
1 stop7h 31m
United Airlines
Sat 2/215:23 pm
ABE
- STL
1 stop4h 42m
United Airlines
Deal found 2/9![United Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
STL
- ABE
1 stop5h 05m
Delta
Tue 3/35:58 pm
ABE
- STL
1 stop6h 38m
Delta
Deal found 2/11![Delta logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:11 pm
STL
- ABE
2 stops39h 41m
Multiple Airlines
Thu 2/192:14 pm
ABE
- STL
1 stop10h 45m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:04 pm
STL
- ABE
1 stop4h 13m
Delta
Sat 3/215:58 pm
ABE
- STL
1 stop7h 00m
Delta
Deal found 2/11![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 2/276:00 pm
STL
- ABE
2 stops21h 48m
United Airlines
Tue 3/35:23 pm
ABE
- STL
1 stop4h 42m
United Airlines
Deal found 2/11![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:59 am
STL
- ABE
1 stop6h 20m
Delta
Sun 4/195:59 pm
ABE
- STL
1 stop6h 35m
Delta
Deal found 2/11![Delta logo]()
$577
This Delta deal was found by Cheapflights users on 2/9. 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 2/266:00 am
STL
- ABE
1 stop5h 05m
Delta
Sun 3/15:58 pm
ABE
- STL
1 stop6h 38m
Delta
Deal found 2/9![Delta logo]()
$893
Last-minute flights from St. Louis to Lehigh ValleyDiscover last-minute flight deals from St. Louis to Lehigh Valley. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Lehigh Valley. Data last updated February 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/139:55 am
STL
- ABE
1 stop5h 53m
United Airlines
Sun 2/1510:36 am
ABE
- STL
1 stop6h 26m
United Airlines
Deal found 2/12![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:13 am
STL
- ABE
1 stop5h 59m
Delta
Sun 2/225:58 pm
ABE
- STL
1 stop6h 38m
Delta
Deal found 2/11![Delta logo]()
$649
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:11 pm
STL
- ABE
2 stops39h 41m
Multiple Airlines
Thu 2/192:14 pm
ABE
- STL
1 stop10h 45m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/188:17 am
STL
- ABE
1 stop7h 31m
United Airlines
Sat 2/215:23 pm
ABE
- STL
1 stop4h 42m
United Airlines
Deal found 2/9![United Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
STL
- ABE
1 stop5h 05m
Delta
Tue 3/35:58 pm
ABE
- STL
1 stop6h 38m
Delta
Deal found 2/11![Delta logo]()
$510
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 2/276:00 pm
STL
- ABE
2 stops21h 48m
United Airlines
Tue 3/35:23 pm
ABE
- STL
1 stop4h 42m
United Airlines
Deal found 2/11![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:04 pm
STL
- ABE
1 stop4h 13m
Delta
Sat 3/215:58 pm
ABE
- STL
1 stop7h 00m
Delta
Deal found 2/11![Delta logo]()
$514
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 February 13, 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 February 13, 2026.
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 5/206:00 am
STL
- ABE
1 stop5h 12m
Delta
Deal found 2/10![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:15 am
STL
- ABE
1 stop8h 43m
United Airlines
Deal found 2/10![United Airlines logo]()
$1,002
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $400 (Delta) |
One-way from | $315 (Delta) |
Popular in | May |
Cheapest in | March |
Average price | $317 |
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 February 13, 2026.
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
Wed 2/18
8:17 am-4:48 pm
1 stop7h 31m
Allentown-Bethlehem
Sat 2/21
5:23 pm-9:05 pm
1 stop4h 42m
$498
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Fri 2/27
6:00 am-12:05 pm
1 stop5h 05m
Allentown-Bethlehem
Tue 3/3
5:58 pm-11:36 pm
1 stop6h 38m
$510
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Thu 3/19
12:04 pm-5:17 pm
1 stop4h 13m
Allentown-Bethlehem
Sat 3/21
5:58 pm-11:58 pm
1 stop7h 00m
$514
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Thu 4/16
9:59 am-5:19 pm
1 stop6h 20m
Allentown-Bethlehem
Sun 4/19
5:59 pm-11:34 pm
1 stop6h 35m
$577
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Fri 2/27
6:00 pm-4:48 pm
2 stops21h 48m
Allentown-Bethlehem
Tue 3/3
5:23 pm-9:05 pm
1 stop4h 42m
$617
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Mon 2/16
10:11 pm-2:52 pm
2 stops39h 41m
Allentown-Bethlehem
Thu 2/19
2:14 pm-11:59 pm
1 stop10h 45m
$740
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Thu 2/26
6:00 am-12:05 pm
1 stop5h 05m
Allentown-Bethlehem
Sun 3/1
5:58 pm-11:36 pm
1 stop6h 38m
$893
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Wed 5/20
6:00 am-12:12 pm
1 stop5h 12m
$315
St. LouisAllentown
STL - ABE
STLABE
Lambert-St Louis
Wed 5/20
11:15 am-8:58 pm
1 stop8h 43m
$1,002
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 December is currently the most expensive (average of $378). 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 February 13, 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.
Overall
7.9
Comfort
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
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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Complete your trip
Complete your trip to Lehigh Valley by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Lehigh Valley flights
Browse other St. Louis and Lehigh Valley flight options. Last updated on February 13, 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$303 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$378 | FlexibilityNo cancel fee | On-timeN/A |