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Quito

$590+ Cheap flights from St. Louis (STL) to Quito (UIO)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from St. Louis to Quito

Cheapest flights from St. Louis to Quito
Explore the most affordable flight options available from St. Louis to Quito. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:00 am
STL
-
UIO
1 stop12h 59m
LATAM Airlines
Tue 4/76:50 pm
UIO
-
STL
2 stops16h 19m
LATAM Airlines
Deal found 2/9$629
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:24 am
STL
-
UIO
1 stop17h 00m
American Airlines
Tue 5/2611:59 pm
UIO
-
STL
1 stop10h 35m
American Airlines
Deal found 2/9$636
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:05 am
STL
-
UIO
2 stops12h 16m
American Airlines
Tue 4/711:40 pm
UIO
-
STL
2 stops14h 21m
American Airlines
Deal found 2/10$640
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:06 am
STL
-
UIO
1 stop11h 18m
American Airlines
Sun 5/1011:40 pm
UIO
-
STL
1 stop10h 36m
American Airlines
Deal found 2/10$646
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
STL
-
UIO
1 stop12h 59m
LATAM Airlines
Sun 5/106:50 pm
UIO
-
STL
2 stops17h 30m
LATAM Airlines
Deal found 2/10$648
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 3/266:00 am
STL
-
UIO
2 stops23h 17m
Delta
Thu 4/26:50 pm
UIO
-
STL
2 stops16h 19m
Delta
Deal found 2/9$650
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 5/147:15 am
STL
-
UIO
2 stops21h 28m
Delta
Tue 5/266:50 pm
UIO
-
STL
2 stops14h 46m
Delta
Deal found 2/9$660
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:00 am
STL
-
UIO
1 stop14h 35m
LATAM Airlines
Thu 4/212:59 am
UIO
-
STL
1 stop10h 10m
LATAM Airlines
Deal found 2/10$666
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.
Fri 3/2710:12 am
STL
-
UIO
2 stops18h 50m
Delta
Fri 4/36:50 pm
UIO
-
STL
2 stops21h 17m
Delta
Deal found 2/10$670
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
STL
-
UIO
1 stop12h 59m
LATAM Airlines
Thu 4/1612:59 am
UIO
-
STL
1 stop9h 35m
LATAM Airlines
Deal found 2/9$686

Find flight deals from St. Louis to Quito

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Quito (UIO). 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(LATAM Airlines)

One-way from

$590
(United Airlines)

Popular in

January

Cheapest in

November

Average price

$768
Provider with most accurate pricing for Lambert-St Louis-Quito Mariscal Sucr flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Quito Mariscal Sucr flights.
Search Deals
From Lambert-St Louis to Quito Mariscal Sucr
Search Deals
One-way flight from Lambert-St Louis to Quito Mariscal Sucr
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Quito 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 12, 2026.
Use the filters below to find and compare flights from St. Louis to Quito that are best for you.

Fly from

St. Louis

Fly to

Quito

Route

Depart

Return

Price

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Tue 3/31

11:22 am-7:21 pm

1 stop7h 59m

Quito Mariscal Sucr

Tue 4/7

7:05 am-10:24 pm

1 stop15h 19m

$636

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 3/26

6:00 am-8:35 pm

1 stop14h 35m

Quito Mariscal Sucr

Wed 4/1

12:59 am-5:53 pm

1 stop16h 54m

$636

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 5/14

5:24 am-10:24 pm

1 stop17h 00m

Quito Mariscal Sucr

Tue 5/26

11:59 pm-10:34 am

1 stop10h 35m

$636

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Tue 3/17

6:00 am-7:21 pm

2 stops13h 21m

Quito Mariscal Sucr

Tue 3/24

11:44 pm-12:44 pm

2 stops13h 00m

$640

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 4/30

6:00 am-6:59 pm

1 stop12h 59m

Quito Mariscal Sucr

Sun 5/10

6:50 pm-12:20 pm

2 stops17h 30m

$648

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 5/14

6:00 am-4:43 am

2 stops22h 43m

Quito Mariscal Sucr

Tue 5/26

6:50 pm-5:46 pm

2 stops22h 56m

$650

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 2/25

6:00 am-12:30 am

1 stop17h 30m

$590

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 2/25

11:22 am-10:59 pm

1 stop10h 37m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Compare providers for flights from St. Louis to Quito

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 Quito in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Quito flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Quito flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Quito flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Quito 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-Quito 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 Quito

Have a flexible travel schedule? Discover the best time to fly to Quito from St. Louis with our price prediction graph.
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 Quito

How much does it cost to fly round-trip from St. Louis to Quito?

Reviews of airlines servicing Quito

Get insights into the airlines that provide service to Quito. 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 Quito. Reviews last updated February 12, 2026.
Read through reviews of airlines operating flights from St. Louis to Quito, such as Delta, LATAM Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,180 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,180 reviews
Delta
7.9
Good
8,180 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,921 reviews
Delta
7.9
Good
8,180 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,271 reviews
Delta
7.9
Good
8,180 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Quito. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Quito?

    Airlines like American Airlines and Delta fly from St. Louis to Quito in about 7h 59m. The time it takes to get you to your destination can typically vary by up to 6h 36m. St. Louis and Quito are separated by a distance of 2790 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Quito round-trip?

    Currently priced at $592, American Airlines will fly you from St. Louis to Quito and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and LATAM Airlines - these airlines can fly you to your destination from $661 and $664, respectively. American Airlines is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from St. Louis to Quito that include hotel bookings?

    Yes. In addition to deals on St. Louis to Quito flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Quito?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Quito.

  • Can I find deals for business class flights from St. Louis to Quito?

    Yes. Cheapflights offers flight deals from St. Louis to Quito by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for St. Louis to Quito

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from St. Louis to Quito

Discover the top 3 airlines that operate flights from St. Louis to Quito. 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$592Average$800FlexibilityNo cancel feeOn-time71%
DeltaCheapest$661Average$782FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$664Average$902FlexibilityNo cancel feeOn-time81%

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