$240 Find Cheap Flights from St. Louis to Ecuador

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Ecuador departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from St. Louis to Ecuador

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Quito
Quito2 stops$639
Guayaquil
Guayaquil1 stop$620
Baltra
Baltra3 stops$3,098
Quito
Quito2 stops$639
Guayaquil
Guayaquil1 stop$620
Baltra
Baltra3 stops$3,098

Book Cheap St. Louis to Ecuador Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Ecuador that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Ecuador

Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
5:07 pm - 11:22 pm
STL
-
GYE
29h 15m1 stop
American Airlines Logo
3:31 pm - 12:29 pm
GYE
-
STL
21h 58m2 stops
$620American Airlines
Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
5:07 pm - 11:22 pm
STL
-
GYE
29h 15m1 stop
American Airlines Logo
3:31 pm - 10:26 am
GYE
-
STL
19h 55m1 stop
$627American Airlines
Sun, Feb 1 - Sat, Feb 21
American Airlines Logo
7:15 am - 11:47 pm
STL
-
UIO
15h 32m2 stops
American Airlines Logo
12:45 am - 10:26 am
UIO
-
STL
10h 41m1 stop
$639American Airlines
Sat, Feb 14 - Sun, Feb 22
LATAM Airlines Logo
5:00 pm - 5:17 am
STL
-
UIO
35h 17m2 stops
LATAM Airlines Logo
7:00 pm - 9:06 am
UIO
-
STL
39h 06m2 stops
$675LATAM Airlines
Sun, Feb 1 - Sun, Feb 22
Delta Logo
6:00 am - 5:17 am
STL
-
UIO
22h 17m2 stops
Delta Logo
7:00 pm - 2:47 pm
UIO
-
STL
20h 47m2 stops
$683Delta
Fri, Feb 13 - Sat, Feb 21
American Airlines Logo
11:19 am - 11:23 pm
STL
-
UIO
11h 04m1 stop
American Airlines Logo
12:45 am - 10:26 am
UIO
-
STL
10h 41m1 stop
$705American Airlines
Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
4:42 pm - 8:46 pm
STL
-
GYE
27h 04m2 stops
United Airlines Logo
2:35 pm - 10:00 pm
GYE
-
STL
32h 25m2 stops
$714United Airlines
Sat, Feb 14 - Sun, Feb 22
LATAM Airlines Logo
5:00 pm - 9:35 pm
STL
-
UIO
27h 35m1 stop
LATAM Airlines Logo
7:00 pm - 11:36 pm
UIO
-
STL
29h 36m2 stops
$718LATAM Airlines
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
4:42 pm - 8:46 pm
STL
-
GYE
51h 04m2 stops
United Airlines Logo
12:20 pm - 10:14 pm
GYE
-
STL
34h 54m2 stops
$733United Airlines
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
4:49 pm - 9:15 am
STL
-
GYE
15h 26m2 stops
Multiple Airlines Logo
5:00 pm - 3:29 pm
GYE
-
STL
23h 29m3 stops
$1,509Multiple Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Ecuador flights

Get data-powered insights and trends into flights from St. Louis to Ecuador to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from St. Louis to Ecuador?

The average price of all round-trip flights from St. Louis to Ecuador clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Ecuador on a Tuesday and more expensive on a Friday. On your return trip to St. Louis, you should consider flying back on a Wednesday, and avoid Sundays for better deals.

Good to know

Cheapest flight$255
Most popular time to fly with an average 8% increase in price.
Flight from St. Louis to Quito

FAQs - booking Ecuador flights

  • How does KAYAK find such low prices on flights from St. Louis to Ecuador?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Ecuador.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Ecuador?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Ecuador is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Ecuador?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from St. Louis to Ecuador with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Ecuador?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from St. Louis to Ecuador up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ecuador?

    The cheapest time of day to fly to Ecuador is generally in the evening, when round-trip flights cost $656 on average. Morning departures are around 5% more expensive than evening flights, on average. The most expensive time of day to fly to Ecuador is generally in the morning, which is peak travel time and where the average cost of a ticket is $689.

Reviews of the top 4 airlines serving from St. Louis to Ecuador

 
Need help choosing which airline to fly with from St. Louis to Ecuador? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8012 reviews
7.3Food
7.9Comfort
7.9Entertainment
8.5Crew
8.1Boarding
Airline reviews

The flight was delayed for about 2 hrs. Other than it, it was good.

8.0 ExcellentWen, Dec 2025
LAX - MSY
Read more Delta reviews

The flight was delayed for about 2 hrs. Other than it, it was good.

Advertised fruit trays with cheese, but only snacks handed out!

The plant way delayed departing by 3 hours. It was an old airplane with broken seats and armrests. The bathroom made a hollering sound. A really crappy flight experience and travel day all around.

Flight delays both to Detroits and return flight . The flight to Detroit was associated with mechanical difficulty

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

Wasn't a Delta issue I don't think, but seems there was a Delta flight at each of the 2 Dallas airports at the same exact time, both to Atlanta. I was evidently booked on the one at Love Airport, but the Carey transport shuttle took me to DFW instead and I ended up missing the flight by just a few minutes. Was able to book a Southwest flight from Love Airport, but was a big loss of time and an inconvenience.

Great. I had to modify a flight. That was easy and free. Thank You

I noticed that the planes seem to be outdated. There was no entertainment per se. Also, the waiting area did not have any working electrical outlets

None of the airplane features were available during the flight.

Original flight was cancelled and when i was rebooked by the airline, they couldn't seat me in the same type of seat as I had originally booked (went from window/aisle to middle/middle and one was a bulkhead seat, and other wasn't in the same class)

I booked a flight through Kayak to Brazil I have traveled to Brazil several times before Kayak Delta or LATAM never mentioned during the booking or in the pre flight process that the visa requirements to visit Brazil have changed earlier this year. I was unaware of this change and as such never got a visa and was unable to fly from JFK to Sao Paulo Add to this that Delta allowed me to fly from Boston to JFK which they should not have as I didn’t have a visa. It has been a terrible experience and a huge loss of money

Latam may be the worst airline in the world, far worse than even the lowest of low cost airlines in the USA. I wasted hours trying to PAY THEM TO CHECK A BAG! Then they misled me at the terminal, sent me through the wrong security line, the list goes on and on... Just absolutely terrible in every way. Avoid at all costs.

Check in -- in business took over 30 mins as there was only one attendant. Boarding was also a mess. The seat was too narrow and was not working properly. Food was very bad and the entertainment very poor. Crew was very polite and helpful, in fairness.

The way the Pilot made all announcements, specially the way he congratulated the entire crew as the best team ever, making a comment that due to them they were able to shorter the delay to the destination. Amazing flight .

we were missing our luggage, trying to find someone to have any empathy was pretty much not happening....

The plane broke down at the Lima stopover and they offered to put me on a flight the be t day but I had to be back in LA that morning and so I had to buy another ticket from Avianca and United for $2k I asked LATAM for compensation and received none. Very bad experience

Really bad experience – delayed for 6 hours without any notice, no food or drinks provided, and stuck in the horrible Cartagena airport.

I’m entitled to a refund per LATAM due to the mid flight itinerary change and being stuck in São Paulo for 24 hours and needing to get a hotel. The airline was dismissive and of no help.

The flight was late. Please do not delay next time.

I couldn't travel, now I can't get a refund and to change the date I have to pay an absurd fine.

Not United Airlines' fault. It's ORL airport's fault.

Great flight. On time boarding. Smooth flight and on time arrival at EWR. The flight crew was marvelous and there was a great selection of movies on the entertainment system. Our bags were at the carousel before we got there. Another excellent flight from United.

United airlines has the best customer experience from booking to arrival. I always fly United airlines. The mileage program is excellent

They did the one thing that really matters - got to Chicago early.

I liked the snacks and the flight attendants were friendly.

Gate agent at Frankfurt was terrible. She denied PRE boarding even as it was printed on the boarding pass. Refused to look at the boarding pass and literally shouting for no reason. Frankfurt airport has horrible and rude staff who avoids trying to answer any question at all. Overall, horrible experience.

The Crew and the food was the worst I ever had in Business Class. First they told us there were no space for carry on. It was plenty of space over our 2 row seats, we had to ask to let us travel with it which was accepted. They were aware that we had to run for the connection due to the previous flight delay. Have us one hour waiting for more customers and not even offer a glass of water. Then started the service and they started to serve other passengers drinks in business and did not offer any drinks until they serve our pre ordered meal and I ask for something to drink. I had to wait until they finished to serve all passengers until Inget something. The crew was the worts I ever had for Business Class in my life.

Very turbulent trip made it pretty bearable, plus the lack of refreshments served and the lack of any air conditioning before takeoff which took an hour or more.

Flight was late - I was downgraded from first class to coach

Not good - outbound flight was delayed and missed my connection even though I got to the gate after running through the airport - the agent would not let me on because the door was closed (flight had not left). There was no notification from United - overall experience was very disappointing. Additionally, I was downgraded from first class to coach on the alternative flight

WiFi didn’t work the entire flight. Very disappointing. Minimal food and options - sadly the state of current affairs. All other aspects of the flight were fine.

Great flight - friendly and attentive team! Seats in coach were comfy, but a little cramped - but that is the case with all airlines ;)

The boarding by groups is pointless. The first two groups worked fine, but almost Noone boarded in goups three thru five leaving the vast majority boarding when group six was called. It defeated the purpose of spreading out the crowd.

I don’t know who decides what food to serve on these flights but I would be so embarrassed if I served this to anyone and call it food…

For whatever reason, the flight was not catered -we were told it would be a 45 minute delay waiting for catering - so no food. There were opened candy and peanuts in the seatback pocket. Flight landed early in DFW but due to the assigned gate not being available, we sat on the ground for 30 minutes waiting for the gate to open - making the flight actually arrive at the gate late.

Not great. Booked Extra seats and got nothing extra at all. It’s basically a big budget airline.

The pilot greased the landing and the crew was fantastic.

I bought wifi and most of the flight could not even use it my apps would just spin. I couldn't even listen to music. super frustrating.

delayed due to weather. Could not communicate with family since the wifi was broken

Experience was good, however I had a delay due to weather happening and had to re purchase a seat on a new plane for a higher price (could be my own issue and misunderstanding) but other than that situation. First time flyer (by myself) was terrific!! The last from ORD to ALO didn't have wifi, but it was only 45 minutes so I'm sure that was part of the reason. Overall my experience was great! Next time I will remember to buy tickets with longer layovers. The delays really saved my overall anxiety. :)

Everything you need to know for your flight from St. Louis to Ecuador

Information on your arrival and departure airports