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Quito

$667+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
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 July 15, 2026.

This LATAM Airlines deal was found by Cheapflights users on 7/13. 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 8/2711:00 am
STL
-
UIO
1 stop7h 59m
LATAM Airlines
Thu 9/39:00 am
UIO
-
STL
2 stops14h 58m
LATAM Airlines
Deal found 7/13$667
This LATAM Airlines deal was found by Cheapflights users on 7/14. 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 10/16:00 am
STL
-
UIO
1 stop12h 59m
LATAM Airlines
Thu 10/159:00 am
UIO
-
STL
2 stops14h 48m
LATAM Airlines
Deal found 7/14$686
This Delta deal was found by Cheapflights users on 7/13. 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 8/276:00 am
STL
-
UIO
1 stop12h 59m
Delta
Wed 9/212:59 am
UIO
-
STL
1 stop16h 54m
Delta
Deal found 7/13$687
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 8/278:50 am
STL
-
UIO
2 stops20h 10m
United Airlines
Wed 9/212:35 am
UIO
-
STL
2 stops15h 03m
United Airlines
Deal found 7/13$692
This Delta deal was found by Cheapflights users on 7/14. 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 10/17:05 am
STL
-
UIO
2 stops12h 00m
Delta
Thu 10/159:00 am
UIO
-
STL
2 stops12h 16m
Delta
Deal found 7/14$712
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Tue 10/63:12 pm
STL
-
UIO
1 stop8h 13m
United Airlines
Sat 10/1012:35 am
UIO
-
STL
1 stop9h 35m
United Airlines
Deal found 7/12$751
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:15 am
STL
-
UIO
1 stop17h 10m
United Airlines
Sat 10/1012:35 am
UIO
-
STL
2 stops15h 08m
United Airlines
Deal found 7/10$766
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 12/246:00 am
STL
-
UIO
2 stops11h 42m
Delta
Mon 1/118:45 am
UIO
-
STL
2 stops15h 33m
Delta
Deal found 7/10$793
This American Airlines deal was found by Cheapflights users on 7/14. 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 8/1211:35 am
STL
-
UIO
1 stop12h 22m
American Airlines
Mon 8/176:00 am
UIO
-
STL
1 stop16h 40m
American Airlines
Deal found 7/14$813

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 July 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$667
(LATAM Airlines)
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

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 July 15, 2026.
Use the filters below to find and compare flights from St. Louis to Quito that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 8/27

6:00 am-6:59 pm

1 stop12h 59m

Quito Mariscal Sucr

Wed 9/2

12:59 am-5:53 pm

1 stop16h 54m

$687
Quickest round-trip

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Mon 11/16

11:51 am-9:25 pm

1 stop8h 34m

Quito Mariscal Sucr

Tue 12/15

12:55 am-10:48 am

1 stop10h 53m

$687

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 8/27

7:25 am-11:25 pm

2 stops16h 00m

Quito Mariscal Sucr

Wed 9/2

12:35 am-12:02 pm

3 stops35h 27m

$744

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 10/8

6:00 am-7:05 pm

2 stops13h 05m

Quito Mariscal Sucr

Sun 10/11

9:00 am-9:16 pm

2 stops12h 16m

$756

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 10/8

6:15 am-11:25 pm

1 stop17h 10m

Quito Mariscal Sucr

Sat 10/10

12:35 am-3:43 pm

2 stops15h 08m

$766

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 12/24

6:00 am-6:42 pm

2 stops11h 42m

Quito Mariscal Sucr

Mon 1/11

8:45 am-11:18 pm

2 stops15h 33m

$793

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 8/12

5:30 pm-11:25 pm

2 stops29h 55m

Quito Mariscal Sucr

Mon 8/17

12:35 am-6:04 pm

1 stop17h 29m

$836

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 12/25

6:00 am-6:42 pm

2 stops11h 42m

Quito Mariscal Sucr

Tue 1/5

8:45 am-11:39 pm

2 stops15h 54m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 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.

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 July 15, 2026.
Read through reviews of airlines operating flights from St. Louis to Quito, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,469 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,469 reviews
Delta
7.8
Good
8,469 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,806 reviews
Delta
7.8
Good
8,469 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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, LATAM Airlines, and United Airlines fly from St. Louis to Quito in about 8h 34m. The time it takes to get you to your destination can typically vary by up to 7h 26m. 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. Check Cheapflights for deals on Delta for as low as $687.

  • 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.
Kansas City to Guayaquil flights
St. Louis to Guayaquil flights
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Top 2 airlines flying from St. Louis to Quito

Discover the top 2 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 July 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$592Average$879FlexibilityNo cancel feeOn-time71%
DeltaCheapest$687Average$934FlexibilityNo cancel feeOn-timeN/A

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