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Quito

$250+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap flight deals from St. Louis to Quito

Best flights from St. Louis to Quito
Discover carefully curated flight deals from St. Louis to Quito that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

This Delta deal was found by Cheapflights users on 12/28. 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.
Tue 4/289:40 amSTL - UIO
1 stop9h 19mDelta
Sun 5/1012:59 amUIO - STL
1 stop11h 55mDelta
Deal found 12/28$615
This United Airlines deal was found by Cheapflights users on 12/28. 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 4/96:00 amSTL - UIO
1 stop17h 25mUnited Airlines
Mon 4/207:25 amUIO - STL
1 stop15h 03mUnited Airlines
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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.
Tue 4/219:40 amSTL - UIO
1 stop9h 19mDelta
Sun 5/312:59 amUIO - STL
1 stop11h 07mDelta
Deal found 12/28$615
This United Airlines deal was found by Cheapflights users on 12/28. 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 4/96:00 amSTL - UIO
1 stop17h 25mUnited Airlines
Mon 4/2012:35 amUIO - STL
2 stops20h 33mUnited Airlines
Deal found 12/28$619
This Delta deal was found by Cheapflights users on 12/28. 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.
Tue 4/219:40 amSTL - UIO
1 stop9h 19mDelta
Wed 4/2912:59 amUIO - STL
1 stop9h 35mDelta
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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.
Mon 5/47:15 amSTL - UIO
1 stop11h 44mDelta
Wed 5/1312:59 amUIO - STL
1 stop9h 46mDelta
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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.
Tue 4/710:12 amSTL - UIO
1 stop8h 47mDelta
Wed 4/1512:59 amUIO - STL
1 stop9h 35mDelta
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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.
Wed 4/299:40 amSTL - UIO
1 stop9h 19mDelta
Mon 5/1112:59 amUIO - STL
1 stop9h 46mDelta
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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 4/309:40 amSTL - UIO
1 stop9h 19mDelta
Tue 5/1212:59 amUIO - STL
1 stop11h 55mDelta
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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.
Wed 4/229:40 amSTL - UIO
1 stop9h 19mDelta
Mon 5/412:59 amUIO - STL
1 stop9h 35mDelta
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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.
Mon 4/67:03 amSTL - UIO
1 stop11h 56mDelta
Wed 4/1512:59 amUIO - STL
1 stop9h 35mDelta
Deal found 12/28$615
This Delta deal was found by Cheapflights users on 12/28. 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.
Wed 4/159:40 amSTL - UIO
1 stop9h 19mDelta
Sun 4/2612:59 amUIO - STL
1 stop9h 35mDelta
Deal found 12/28$615

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 December 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$569
(Ovago)

One-way from

$250
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$899
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. 6% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 30, 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

Tue 4/28

9:40 am-6:59 pm

1 stop9h 19m

Quito Mariscal Sucr

Sun 5/10

12:59 am-12:54 pm

1 stop11h 55m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 4/9

6:00 am-11:25 pm

1 stop17h 25m

Quito Mariscal Sucr

Mon 4/20

7:25 am-10:28 pm

1 stop15h 03m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Tue 4/21

9:40 am-6:59 pm

1 stop9h 19m

Quito Mariscal Sucr

Sun 5/3

12:59 am-12:06 pm

1 stop11h 07m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Tue 4/21

9:40 am-6:59 pm

1 stop9h 19m

Quito Mariscal Sucr

Wed 4/29

12:59 am-10:34 am

1 stop9h 35m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Mon 5/4

7:15 am-6:59 pm

1 stop11h 44m

Quito Mariscal Sucr

Wed 5/13

12:59 am-10:45 am

1 stop9h 46m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Tue 4/7

10:12 am-6:59 pm

1 stop8h 47m

Quito Mariscal Sucr

Wed 4/15

12:59 am-10:34 am

1 stop9h 35m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 4/29

9:40 am-6:59 pm

1 stop9h 19m

Quito Mariscal Sucr

Mon 5/11

12:59 am-10:45 am

1 stop9h 46m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 4/30

9:40 am-6:59 pm

1 stop9h 19m

Quito Mariscal Sucr

Tue 5/12

12:59 am-12:54 pm

1 stop11h 55m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 4/22

9:40 am-6:59 pm

1 stop9h 19m

Quito Mariscal Sucr

Mon 5/4

12:59 am-10:34 am

1 stop9h 35m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Mon 4/6

7:03 am-6:59 pm

1 stop11h 56m

Quito Mariscal Sucr

Wed 4/15

12:59 am-10:34 am

1 stop9h 35m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 14 results
1
2

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 December.
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

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 December 30, 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
8,016 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

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
8,016 reviews
Delta
7.9
Good
8,016 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

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
1,896 reviews
Delta
7.9
Good
8,016 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

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.
United Airlines
7.4
Good
9,124 reviews
Delta
7.9
Good
8,016 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

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
11,074 reviews
Delta
7.9
Good
8,016 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

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 Delta fly from St. Louis to Quito in about 9h 19m. The time it takes to get you to your destination can typically vary by up to . St. Louis and Quito are separated by a distance of 2790 mi.

  • 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 24% 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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St. Louis to Baltra flights
St. Louis to San Cristobal flights

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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$625Average$784FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$768FlexibilityNo cancel feeOn-time69%
DeltaCheapest$661Average$772FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$664Average$917FlexibilityNo cancel feeOn-time81%

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