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Quito

$629+ Cheap flights from St. Louis (STL) to Quito (UIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find 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 November 13, 2025.

This Delta deal was found by Cheapflights users on 11/11. 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 12/116:00 amSTL - UIO
1 stop13h 00mDelta
Sun 12/217:00 pmUIO - STL
2 stops22h 28mDelta
Deal found 11/11$629
This Avianca deal was found by Cheapflights users on 11/12. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:43 pmSTL - UIO
2 stops13h 07mMultiple Airlines
Tue 11/184:00 amUIO - STL
2 stops15h 47mMultiple Airlines
Deal found 11/12$687
This Ovago deal was found by Cheapflights users on 11/12. 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.
Sun 12/149:30 amSTL - UIO
1 stop9h 30mLATAM Airlines
Thu 12/1811:45 pmUIO - STL
1 stop9h 39mLATAM Airlines
Deal found 11/12$824
This Delta deal was found by Cheapflights users on 11/12. 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.
Sun 12/141:57 pmSTL - UIO
2 stops14h 20mDelta
Thu 12/1811:45 pmUIO - STL
1 stop17h 21mDelta
Deal found 11/12$852
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/125:15 amSTL - UIO
1 stop16h 49mAmerican Airlines
Wed 11/198:27 amUIO - STL
1 stop15h 07mAmerican Airlines
Deal found 11/11$869
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/128:00 amSTL - UIO
2 stops15h 30mUnited Airlines
Tue 11/181:35 amUIO - STL
2 stops13h 49mUnited Airlines
Deal found 11/11$873
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/146:15 amSTL - UIO
1 stop17h 15mUnited Airlines
Wed 12/171:35 amUIO - STL
1 stop9h 14mUnited Airlines
Deal found 11/12$933

Cheap 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$625
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$727
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.
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From Lambert-St Louis to Quito Mariscal Sucr
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 13, 2025.
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

Thu 12/11

6:00 am-8:00 pm

1 stop13h 00m

Quito Mariscal Sucr

Sun 12/21

7:00 pm-4:28 pm

2 stops22h 28m

$629

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 1/31

6:30 am-12:30 am

2 stops17h 00m

Quito Mariscal Sucr

Tue 5/19

12:35 am-2:18 pm

2 stops37h 43m

$645

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 5/8

10:00 am-10:45 pm

1 stop12h 45m

Quito Mariscal Sucr

Sun 5/17

11:40 pm-9:35 pm

1 stop21h 55m

$646

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 2/1

9:59 am-9:35 pm

1 stop10h 36m

Quito Mariscal Sucr

Sun 2/22

7:00 pm-5:43 pm

2 stops23h 43m

$676

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 3/7

10:13 am-5:17 am

2 stops42h 04m

Quito Mariscal Sucr

Sat 3/14

7:00 pm-10:50 am

2 stops15h 50m

$713

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 2/1

6:40 pm-12:30 am

2 stops28h 50m

Quito Mariscal Sucr

Sat 2/21

1:35 am-9:23 am

1 stop8h 48m

$746

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Mon 4/6

4:00 pm-2:15 pm

2 stops22h 15m

Quito Mariscal Sucr

Wed 4/8

11:30 pm-10:50 am

1 stop11h 20m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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 November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Quito flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

What is the cheapest time of day to fly from STL to UIO?

Find hourly flight availability from St. Louis to Quito. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

One of the essential ways to save on airfare from St. Louis to Quito is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

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 November 13, 2025.
Read through reviews of airlines operating flights from St. Louis to Quito, such as Delta, LATAM Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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
1,875 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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.
United Airlines
7.4
Good
9,015 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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 Delta, United Airlines, and American Airlines fly from St. Louis to Quito in about 12h 45m. The time it takes to get you to your destination can typically vary by up to 4h 15m. 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 $625, 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 United Airlines and Delta - these airlines can fly you to your destination from $634 and $661, respectively. American Airlines is priced at 25% 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 4 airlines flying from St. Louis to Quito

Discover the top 4 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$625Average$784FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$768FlexibilityNo cancel feeOn-time69%
DeltaCheapest$661Average$763FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$664Average$917FlexibilityNo cancel feeOn-time81%

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