$171+ Cheap flights from St. Louis (STL) to Aruba
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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AUA
Sep 25 — Oct 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Aruba 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 Aruba
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to ArubaExplore the most affordable flight options available from St. Louis to Aruba. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from St. Louis to Aruba. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:05 pm -
1 stop22h 20m
Fri 11/135:25 pm -
1 stop24h 01m
Deal found 8/26![Air Canada logo]()
$439
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:05 pm -
1 stop22h 25m
Wed 12/95:25 pm -
1 stop24h 01m
Deal found 8/25![Air Canada logo]()
$461
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 10/115:00 am -
1 stop10h 02m
Thu 10/154:10 pm -
1 stop8h 49m
Deal found 8/25![American Airlines logo]()
$483
This Justfly.com deal was found by Cheapflights users on 8/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:05 pm -
1 stop22h 20m
Wed 11/255:25 pm -
1 stop24h 01m
Deal found 8/22![Air Canada logo]()
$485
This American Airlines deal was found by Cheapflights users on 8/21. 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 11/305:00 am -
1 stop9h 22m
Mon 12/75:16 pm -
1 stop18h 28m
Deal found 8/21![American Airlines logo]()
$492
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 11/17:06 pm -
2 stops19h 41m
Sun 11/223:33 pm -
1 stop10h 25m
Deal found 8/25![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 8/21. 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 11/25:00 am -
1 stop9h 47m
Mon 11/165:59 pm -
1 stop23h 49m
Deal found 8/21![American Airlines logo]()
$494
Best flights from St. Louis to ArubaDiscover carefully curated flight deals from St. Louis to Aruba that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from St. Louis to Aruba that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 10/245:36 pm -
2 stops18h 04m
Sat 10/312:25 pm -
1 stop9h 01m
Deal found 8/24![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 8/26. 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 1/196:59 pm -
1 stop15h 56m
Mon 1/254:35 pm -
1 stop9h 04m
Deal found 8/26![Delta logo]()
$539
This American Airlines deal was found by Cheapflights users on 8/22. 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 11/117:05 pm -
2 stops19h 42m
Mon 11/165:59 pm -
2 stops17h 45m
Deal found 8/22![American Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/106:00 am -
1 stop8h 25m
Sat 11/143:25 pm -
1 stop9h 01m
Deal found 8/25![United Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 8/23. 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 2/116:59 pm -
2 stops17h 36m
Wed 2/175:59 pm -
2 stops17h 17m
Deal found 8/23![American Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 8/21. 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 12/61:15 pm -
2 stops22h 25m
Wed 12/95:35 pm -
2 stops18h 35m
Deal found 8/21![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 8/22. 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 11/186:00 am -
1 stop8h 25m
Wed 11/255:35 pm -
2 stops18h 57m
Deal found 8/22![United Airlines logo]()
$664
Last-minute flights from St. Louis to ArubaDiscover last-minute flight deals from St. Louis to Aruba. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Aruba. Data last updated August 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/95:13 pm -
2 stops20h 57m
Thu 9/174:10 pm -
2 stops19h 08m
Deal found 8/25![American Airlines logo]()
$679
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/125:00 pm -
2 stops21h 10m
Sat 9/194:55 pm -
2 stops18h 23m
Deal found 8/21![American Airlines logo]()
$709
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 9/135:15 am -
2 stops8h 55m
Sun 9/202:30 pm -
2 stops19h 59m
Deal found 8/25![American Airlines logo]()
$671
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/176:43 pm -
2 stops17h 47m
Tue 9/222:31 pm -
2 stops20h 47m
Deal found 8/23![American Airlines logo]()
$642
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/265:00 pm -
2 stops21h 10m
Sat 10/32:30 pm -
2 stops19h 54m
Deal found 8/25![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Sun 9/272:11 pm -
1 stop23h 59m
Wed 10/75:05 pm -
2 stops16h 32m
Deal found 8/24![American Airlines logo]()
$572
One-way flights from St. Louis to ArubaSearch for one-way flight options from St. Louis to Aruba. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from St. Louis to Aruba. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/26. 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 1/75:59 pm -
2 stops20h 51m
Deal found 8/26![American Airlines logo]()
$171
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:05 pm -
2 stops20h 20m
Deal found 8/25![Air Canada logo]()
$185
This American Airlines deal was found by Cheapflights users on 8/25. 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 12/125:00 am -
1 stop9h 38m
Deal found 8/25![American Airlines logo]()
$237
Find flight deals from St. Louis to Aruba
Keep the following information in mind while searching for St. Louis to Aruba flight deals. Data was last updated August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Air Canada) |
One-way from | $171 (American Airlines) |
Popular in | September |
Cheapest in | February |
Average price | $670 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Aruba 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 7,457,451 searches. Data last updated August 26, 2026.
Use the filters below to find and compare flights from St. Louis to Aruba that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Sat 10/24
5:36 pm-12:40 pm
2 stops18h 04m
Oranjestad Reina Beatrix
Sat 10/31
2:25 pm-10:26 pm
1 stop9h 01m
$539
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Tue 1/19
6:59 pm-12:55 pm
1 stop15h 56m
Oranjestad Reina Beatrix
Mon 1/25
4:35 pm-11:39 pm
1 stop9h 04m
$539
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Wed 11/11
7:05 pm-4:47 pm
2 stops19h 42m
Oranjestad Reina Beatrix
Mon 11/16
5:59 pm-9:44 am
2 stops17h 45m
$565
Quickest round-trip
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Tue 11/10
6:00 am-4:25 pm
1 stop8h 25m
Oranjestad Reina Beatrix
Sat 11/14
3:25 pm-10:26 pm
1 stop9h 01m
$659
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Sun 12/6
1:15 pm-1:40 pm
2 stops22h 25m
Oranjestad Reina Beatrix
Wed 12/9
5:35 pm-10:10 am
2 stops18h 35m
$664
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Wed 11/18
6:00 am-4:25 pm
1 stop8h 25m
Oranjestad Reina Beatrix
Wed 11/25
5:35 pm-10:32 am
2 stops18h 57m
$664
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Thu 2/11
6:59 pm-2:35 pm
2 stops17h 36m
Oranjestad Reina Beatrix
Wed 2/17
5:59 pm-9:16 am
2 stops17h 17m
$730
Cheapest one-way
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Thu 1/7
5:59 pm-4:50 pm
2 stops20h 51m
$171
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Sat 12/12
4:05 pm-2:25 pm
2 stops20h 20m
$185
Quickest one-way
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Sat 12/12
5:00 am-4:38 pm
1 stop9h 38m
$237
Sorted by cheapest first
Best time to book a flight from St. Louis to Aruba
Have a flexible travel schedule? Discover the best time to fly to Aruba from St. Louis with our price prediction graph.
STL-AUA
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 Aruba
STL-AW0
STL-AUA
What is the cheapest month to book a flight from St. Louis to Aruba?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Aruba (average of $523). Flying from St. Louis to Aruba in September is currently the most expensive (average of $831). 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.
How far ahead should I book a flight from St. Louis to Aruba?
The best time to book flights from St. Louis to Aruba is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Aruba
Get insights into the airlines that provide service to Aruba. 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 Aruba. Reviews last updated August 26, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from St. Louis to Aruba by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Aruba. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for St. Louis to Aruba
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Aruba by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Aruba by cabin class
Find flights from St. Louis to Aruba, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Aruba flights
Browse other St. Louis and Aruba flight options. Last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from St. Louis to Aruba
Discover the top 5 airlines that operate flights from St. Louis to Aruba. 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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$430 | Average$609 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$458 | Average$641 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$459 | Average$665 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$489 | Average$831 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$599 | Average$937 | FlexibilityNo cancel fee | On-time63% |