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Cheap flights from St. Louis to Aruba from $154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Aruba departing on 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Aruba

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:43 pm - 11:00 am
STL
-
AUA
17h 17m1 stop
Multiple Airlines Logo
4:40 pm - 6:51 am
AUA
-
STL
40h 11m2 stops
$365Multiple Airlines
Fri, Jan 9 - Thu, Jan 22
Delta Logo
4:32 pm - 1:55 pm
STL
-
AUA
19h 23m1 stop
Delta Logo
4:35 pm - 9:57 pm
AUA
-
STL
7h 22m1 stop
$368Delta
Mon, Dec 15 - Thu, Dec 18
Delta Logo
9:45 am - 12:20 pm
STL
-
AUA
24h 35m2 stops
Delta Logo
4:40 pm - 4:53 pm
AUA
-
STL
26h 13m2 stops
$372Delta
Sun, Jan 11 - Fri, Jan 16
American Airlines Logo
6:44 pm - 3:50 pm
STL
-
AUA
19h 06m1 stop
American Airlines Logo
5:59 pm - 10:20 am
AUA
-
STL
18h 21m1 stop
$374American Airlines
Sun, Jan 25 - Fri, Jan 30
Multiple Airlines Logo
3:43 pm - 11:00 am
STL
-
AUA
17h 17m1 stop
Multiple Airlines Logo
4:40 pm - 6:51 am
AUA
-
STL
40h 11m2 stops
$393Multiple Airlines
Fri, Jan 9 - Sat, Jan 17
United Airlines Logo
3:11 pm - 1:50 pm
STL
-
AUA
20h 39m2 stops
United Airlines Logo
4:25 pm - 11:59 pm
AUA
-
STL
9h 34m1 stop
$394United Airlines
Mon, Jan 12 - Tue, Jan 20
American Airlines Logo
3:54 pm - 2:42 pm
STL
-
AUA
20h 48m2 stops
American Airlines Logo
5:59 pm - 10:20 am
AUA
-
STL
18h 21m2 stops
$397American Airlines
Mon, Jan 12 - Tue, Jan 20
Delta Logo
6:55 pm - 12:30 pm
STL
-
AUA
15h 35m1 stop
Delta Logo
4:35 pm - 11:37 pm
AUA
-
STL
9h 02m1 stop
$398Delta
Fri, Jan 9 - Tue, Jan 20
Delta Logo
3:45 pm - 12:00 pm
STL
-
AUA
18h 15m2 stops
Delta Logo
4:35 pm - 11:37 pm
AUA
-
STL
9h 02m1 stop
$402Delta
Fri, Jan 9 - Tue, Jan 20
Multiple Airlines Logo
3:43 pm - 11:00 am
STL
-
AUA
17h 17m1 stop
Multiple Airlines Logo
4:40 pm - 6:51 am
AUA
-
STL
40h 11m2 stops
$410Multiple Airlines
Fri, Jan 9 - Mon, Jan 19

Delta flights from St. Louis to Aruba

Our best Delta deals on St. Louis to Aruba flight tickets
Delta
Dec 15
STL4:32 pmLambert-St Louis
19h 23m
1 stop
AUA1:55 pmOranjestad Reina Beatrix
Dec 18
AUA4:35 pmOranjestad Reina Beatrix
7h 22m
1 stop
STL9:57 pmLambert-St Louis
$368
Find similar
Delta
Dec 15
STL6:05 pmLambert-St Louis
17h 50m
2 stops
AUA1:55 pmOranjestad Reina Beatrix
Dec 19
AUA4:35 pmOranjestad Reina Beatrix
7h 43m
1 stop
STL10:18 pmLambert-St Louis
$372
Find similar
Delta
Dec 12
STL7:05 amLambert-St Louis
6h 15m
1 stop
AUA3:20 pmOranjestad Reina Beatrix
Dec 18
AUA4:35 pmOranjestad Reina Beatrix
7h 22m
1 stop
STL9:57 pmLambert-St Louis
$398
Find similar

American Airlines flights from St. Louis to Aruba

Our best American Airlines deals on St. Louis to Aruba flight tickets
American Airlines
Jan 25
STL6:44 pmLambert-St Louis
19h 06m
1 stop
AUA3:50 pmOranjestad Reina Beatrix
Jan 30
AUA5:59 pmOranjestad Reina Beatrix
18h 21m
1 stop
STL10:20 amLambert-St Louis
$374
Find similar
American Airlines
Jan 12
STL3:54 pmLambert-St Louis
20h 48m
2 stops
AUA2:42 pmOranjestad Reina Beatrix
Jan 20
AUA5:59 pmOranjestad Reina Beatrix
18h 21m
2 stops
STL10:20 amLambert-St Louis
$397
Find similar
American Airlines
Dec 9
STL5:10 amLambert-St Louis
9h 45m
1 stop
AUA4:55 pmOranjestad Reina Beatrix
Dec 11
AUA1:41 pmOranjestad Reina Beatrix
9h 47m
1 stop
STL9:28 pmLambert-St Louis
$408
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
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

Price

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Fri 1/9

3:43 pm-11:00 am

1 stop17h 17m

Oranjestad Reina Beatrix

Thu 1/22

4:40 pm-6:51 am

2 stops40h 11m

$365

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Mon 12/15

4:32 pm-1:55 pm

1 stop19h 23m

Oranjestad Reina Beatrix

Thu 12/18

4:35 pm-9:57 pm

1 stop7h 22m

$368

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Sun 1/11

9:45 am-12:20 pm

2 stops24h 35m

Oranjestad Reina Beatrix

Fri 1/16

4:40 pm-4:53 pm

2 stops26h 13m

$372

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Sun 1/25

6:44 pm-3:50 pm

1 stop19h 06m

Oranjestad Reina Beatrix

Fri 1/30

5:59 pm-10:20 am

1 stop18h 21m

$374

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Fri 1/9

3:43 pm-11:00 am

1 stop17h 17m

Oranjestad Reina Beatrix

Sat 1/17

4:40 pm-6:51 am

2 stops40h 11m

$393

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Mon 1/12

3:11 pm-1:50 pm

2 stops20h 39m

Oranjestad Reina Beatrix

Tue 1/20

4:25 pm-11:59 pm

1 stop9h 34m

$394

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Mon 1/12

3:54 pm-2:42 pm

2 stops20h 48m

Oranjestad Reina Beatrix

Tue 1/20

5:59 pm-10:20 am

2 stops18h 21m

$397

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Fri 1/9

6:55 pm-12:30 pm

1 stop15h 35m

Oranjestad Reina Beatrix

Tue 1/20

4:35 pm-11:37 pm

1 stop9h 02m

$398

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Fri 1/9

3:45 pm-12:00 pm

2 stops18h 15m

Oranjestad Reina Beatrix

Tue 1/20

4:35 pm-11:37 pm

1 stop9h 02m

$402

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Fri 1/9

3:43 pm-11:00 am

1 stop17h 17m

Oranjestad Reina Beatrix

Mon 1/19

4:40 pm-6:51 am

2 stops40h 11m

$410

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Aruba from

How to get the cheapest flight ticket from St. Louis to Aruba

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Aruba?

If you’re not able to fly to Aruba in February, then May is your next best option. Flight prices from St. Louis to Aruba during May average around $593.

What is the cheapest day to depart on your flight to Aruba?

The cheapest day to depart from St. Louis to Aruba is on a Monday when prices can be found for as low as $542. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,100. These prices are subject to change though, so be sure to set up a Price Alert for flights to Aruba.

What is the cheapest time of day to depart on your flight to Aruba?

In the afternoon is the cheapest time of day to fly from St. Louis to Aruba when you can find flight prices for as low as $566. Flying to Aruba in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Aruba are more costly in the morning, with an average ticket price of $693. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Aruba?

You are more likely to see cheaper flights to Aruba from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Aruba for around $655 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Aruba from St. Louis for as low as $477 on momondo.

Cheap St. Louis to Aruba flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Aruba

Fastest flight time

7h 10m

Direct flights

None
The fastest flight from St. Louis to Aruba takes 7h 10m
There are no direct flights from St. Louis to Aruba. There are no popular flight routes from St. Louis to Aruba.
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Aruba?

    Prices for flights from Lambert-St Louis Airport to Aruba refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Aruba?

  • How old do you have to be to fly from Lambert-St Louis Airport to Aruba?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Aruba.

  • What documentation or ID do you need to fly to Aruba?

    The travel and health documents required for your trip to Aruba can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Aruba. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Aruba

Compare and see reviews for airlines that fly from St. Louis to Aruba with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $399Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $470Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $481Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SouthwestPriceFrom $599Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Aruba?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Aruba from St. Louis.

Can I find flights from St. Louis to Aruba with flexible booking policies on momondo?

Flights from St. Louis to Aruba with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Aruba?

momondo provides multiple filters to help you find the best flight to Aruba from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Aruba right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Aruba flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities in Aruba

Popular flights according to clicks in the last 7 days on momondo
Flights to Oranjestadfrom $175