$333+ Cheap flights from St. Louis to Jacksonville, NC (STL - OAJ)
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OAJ
Sep 5 — Sep 121
Round-trip
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 Jacksonville
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Cheapest flights from St. Louis to JacksonvilleExplore the most affordable flight options available from St. Louis to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from St. Louis to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 10/2810:14 am -
1 stop6h 39m
Tue 11/36:00 am -
1 stop5h 51m
Deal found 8/1![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 8/4. 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 9/93:40 pm -
1 stop5h 42m
Mon 9/142:26 pm -
1 stop6h 32m
Deal found 8/4![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 8/4. 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.
Sat 8/2910:31 am -
1 stop3h 49m
Sat 9/54:15 pm -
1 stop5h 18m
Deal found 8/4![Delta logo]()
$433
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 10/2812:49 pm -
1 stop6h 05m
Tue 11/31:54 pm -
2 stops11h 05m
Deal found 8/1![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/3. 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 10/85:35 pm -
1 stop3h 47m
Sun 10/116:33 pm -
1 stop6h 21m
Deal found 8/3![Delta logo]()
$457
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/248:43 am -
1 stop3h 44m
Mon 10/58:19 pm -
1 stop4h 40m
Deal found 8/4![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/26:00 am -
2 stops8h 06m
Wed 9/96:06 am -
2 stops8h 10m
Deal found 8/1![American Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 8/1. 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.
Tue 8/186:00 am -
1 stop4h 30m
Tue 8/256:00 am -
1 stop6h 46m
Deal found 8/1![Delta logo]()
$481
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/186:00 am -
1 stop6h 46m
Sat 8/224:15 pm -
1 stop5h 18m
Deal found 8/3![Delta logo]()
$485
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 9/97:26 am -
2 stops10h 24m
Mon 9/147:20 pm -
1 stop4h 22m
Deal found 8/3![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 8/295:00 am -
2 stops10h 45m
Sat 9/53:09 pm -
1 stop5h 33m
Deal found 8/3![American Airlines logo]()
$518
Best flights from St. Louis to JacksonvilleDiscover carefully curated flight deals from St. Louis to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from St. Louis to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:40 pm -
1 stop5h 42m
Tue 9/152:26 pm -
1 stop6h 32m
Deal found 8/2![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 10/289:27 am -
1 stop6h 04m
Tue 11/31:54 pm -
1 stop4h 35m
Deal found 8/5![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 10/2810:14 am -
1 stop6h 39m
Tue 11/36:00 am -
1 stop5h 51m
Deal found 8/1![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:05 am -
1 stop6h 49m
Sat 9/196:00 am -
1 stop4h 34m
Deal found 8/2![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:53 am -
1 stop5h 34m
Sat 9/191:52 pm -
2 stops11h 35m
Deal found 8/2![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/5. 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 9/93:40 pm -
1 stop5h 42m
Mon 9/142:26 pm -
1 stop6h 32m
Deal found 8/5![Delta logo]()
$423
Last-minute flights from St. Louis to JacksonvilleDiscover last-minute flight deals from St. Louis to Jacksonville. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Jacksonville. Data last updated August 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/1. 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.
Tue 8/186:00 am -
1 stop4h 30m
Tue 8/256:00 am -
1 stop6h 46m
Deal found 8/1![Delta logo]()
$481
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/186:00 am -
1 stop6h 46m
Sat 8/224:15 pm -
1 stop5h 18m
Deal found 8/3![Delta logo]()
$485
This Delta deal was found by Cheapflights users on 8/4. 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.
Sat 8/2910:31 am -
1 stop3h 49m
Sat 9/54:15 pm -
1 stop5h 18m
Deal found 8/4![Delta logo]()
$433
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 8/295:00 am -
2 stops10h 45m
Sat 9/53:09 pm -
1 stop5h 33m
Deal found 8/3![American Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/28:34 am -
1 stop5h 32m
Wed 9/91:52 pm -
1 stop4h 38m
Deal found 8/1![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 8/4. 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 9/93:40 pm -
1 stop5h 42m
Mon 9/142:26 pm -
1 stop6h 32m
Deal found 8/4![Delta logo]()
$423
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 9/97:26 am -
2 stops10h 24m
Mon 9/147:20 pm -
1 stop4h 22m
Deal found 8/3![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/248:43 am -
1 stop3h 44m
Mon 10/58:19 pm -
1 stop4h 40m
Deal found 8/4![American Airlines logo]()
$477
One-way flights from St. Louis to JacksonvilleSearch for one-way flight options from St. Louis to Jacksonville. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from St. Louis to Jacksonville. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 9/126:53 am -
1 stop5h 34m
Deal found 8/5![American Airlines logo]()
$333
Find flight deals from St. Louis to Jacksonville
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Jacksonville (OAJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $389 (Delta) |
One-way from | $333 (American Airlines) |
Popular in | December |
Cheapest in | March |
Average price | $600 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Jacksonville 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 August 6, 2026.
Use the filters below to find and compare flights from St. Louis to Jacksonville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisJacksonville
STL Lambert-St Louis - OAJ Jacksonville Albert J Ellis
STLOAJ
Lambert-St Louis
Tue 9/8
3:40 pm-10:22 pm
1 stop5h 42m
Jacksonville Albert J Ellis
Tue 9/15
2:26 pm-7:58 pm
1 stop6h 32m
$389
Quickest round-trip
St. LouisJacksonville
STL Lambert-St Louis - OAJ Jacksonville Albert J Ellis
STLOAJ
Lambert-St Louis
Wed 10/28
9:27 am-4:31 pm
1 stop6h 04m
Jacksonville Albert J Ellis
Tue 11/3
1:54 pm-5:29 pm
1 stop4h 35m
$389
St. LouisJacksonville
STL Lambert-St Louis - OAJ Jacksonville Albert J Ellis
STLOAJ
Lambert-St Louis
Wed 10/28
10:14 am-5:53 pm
1 stop6h 39m
Jacksonville Albert J Ellis
Tue 11/3
6:00 am-10:51 am
1 stop5h 51m
$389
St. LouisJacksonville
STL Lambert-St Louis - OAJ Jacksonville Albert J Ellis
STLOAJ
Lambert-St Louis
Wed 9/16
10:05 am-5:54 pm
1 stop6h 49m
Jacksonville Albert J Ellis
Sat 9/19
6:00 am-9:34 am
1 stop4h 34m
$389
St. LouisJacksonville
STL Lambert-St Louis - OAJ Jacksonville Albert J Ellis
STLOAJ
Lambert-St Louis
Wed 9/9
3:40 pm-10:22 pm
1 stop5h 42m
Jacksonville Albert J Ellis
Mon 9/14
2:26 pm-7:58 pm
1 stop6h 32m
$423
St. LouisJacksonville
STL Lambert-St Louis - OAJ Jacksonville Albert J Ellis
STLOAJ
Lambert-St Louis
Wed 9/16
6:53 am-1:27 pm
1 stop5h 34m
Jacksonville Albert J Ellis
Sat 9/19
1:52 pm-12:27 am
2 stops11h 35m
$454
Cheapest one-way
Quickest one-way
St. LouisJacksonville
STL Lambert-St Louis - OAJ Jacksonville Albert J Ellis
STLOAJ
Lambert-St Louis
Sat 9/12
6:53 am-1:27 pm
1 stop5h 34m
$333
Sorted by cheapest first
Compare providers for flights from St. Louis to Jacksonville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Jacksonville in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Jacksonville, North Carolina flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Jacksonville, North Carolina flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Jacksonville, North Carolina flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Jacksonville, North Carolina flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Jacksonville, North Carolina flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Jacksonville
Have a flexible travel schedule? Discover the best time to fly to Jacksonville from St. Louis with our price prediction graph.
STL-OAJ
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.
Reviews of airlines servicing Jacksonville
Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated August 6, 2026.
Read reviews from past customers who have flown Delta and American Airlines from St. Louis to Jacksonville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Jacksonville. 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 to Jacksonville by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Jacksonville
Explore flights to Jacksonville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
St. Louis and Jacksonville flights
Browse other St. Louis and Jacksonville flight options. Last updated on August 6, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from St. Louis to Jacksonville
Discover the top 2 airlines that operate flights from St. Louis to Jacksonville. 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$480 | FlexibilityNo cancel fee | On-time71% |