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Quito

$252+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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1. Tell us where you want to go

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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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$660
(Delta)

One-way from

$252
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$745
Provider with most accurate pricing for Lambert-St Louis-Quito Mariscal Sucr flight deals.
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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
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One-way flight from Lambert-St Louis to Quito Mariscal Sucr
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Highest demand for flights based on searches. 8% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 10/86:00 amSTL - UIO
1 stop14h 00mDelta
Sat 10/1811:20 pmUIO - STL
1 stop8h 50mDelta
Deal found 4/29$660
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 10/86:00 amSTL - UIO
2 stops13h 05mLATAM Airlines
Sat 10/1811:20 pmUIO - STL
1 stop8h 50mLATAM Airlines
Deal found 4/29$664
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/812:28 pmSTL - UIO
2 stops34h 57mUnited Airlines
Fri 10/1712:35 amUIO - STL
2 stops18h 52mUnited Airlines
Deal found 4/29$696
This American Airlines deal was found by Cheapflights users on 4/29. 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 10/86:35 amSTL - UIO
2 stops14h 10mAmerican Airlines
Sat 10/186:40 amUIO - STL
2 stops12h 27mAmerican Airlines
Deal found 4/29$706
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:00 pmSTL - UIO
3 stops34h 45mMultiple Airlines
Wed 1/710:00 amUIO - STL
2 stops30h 26mMultiple Airlines
Deal found 4/28$2,016

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 April 29, 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

Wed 10/8

6:00 am-8:00 pm

1 stop14h 00m

Quito Mariscal Sucr

Sat 10/18

11:20 pm-8:10 am

1 stop8h 50m

$660

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 10/8

6:00 am-7:05 pm

2 stops13h 05m

Quito Mariscal Sucr

Sat 10/18

11:20 pm-8:10 am

1 stop8h 50m

$664

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 10/8

5:30 pm-11:25 pm

2 stops29h 55m

Quito Mariscal Sucr

Fri 10/17

12:35 am-10:01 am

1 stop9h 26m

$696

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 10/8

6:35 am-8:45 pm

2 stops14h 10m

Quito Mariscal Sucr

Sat 10/18

6:40 am-7:07 pm

2 stops12h 27m

$706

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 6/15

5:47 pm-10:25 pm

2 stops28h 38m

$252

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Tue 9/2

9:17 am-12:34 am

2 stops15h 17m

$310

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Tue 9/2

9:00 am-8:00 pm

1 stop11h 00m

$388

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 5/11

6:00 am-11:25 pm

1 stop17h 25m

$395

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 5/22

7:05 am-8:00 pm

1 stop12h 55m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Quito flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 month to book a flight from St. Louis to Quito?

Currently, April is the cheapest month in which you can book a flight from St. Louis to Quito (average of $463). Flying from St. Louis to Quito in December is currently the most expensive (average of $791). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 April 29, 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 at noon could potentially save you up to 5% on airfare.

Rainfall in Quito by month

Plan your trip to Quito by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Quito ranges from 0.8 - 6.7 inches per month. April is typically the wettest month, when rainfall can reach 6.7 in. July is typically the driest time to visit Quito when rainfall is around 0.8 in.

Temperature in Quito by month

Plan your trip to Quito by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Quito, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 April 29, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines and United Airlines from St. Louis to Quito to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Avianca
6.7
Okay
2,317 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Currently priced at $660, Delta will fly you from St. Louis to Quito and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LATAM Airlines and United Airlines - these airlines can fly you to your destination from $664 and $696, respectively. Delta is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Quito one-way?

    The cheapest airlines for a one-way flight from St. Louis to Quito are Avianca ($310), Delta ($388), and United Airlines ($395).

  • 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.

  • What is the cheapest month to book a flight from St. Louis to Quito?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Quito (average of $463). Flying from St. Louis to Quito in December is currently the most expensive (average of $791). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$497Average$811FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$511Average$718FlexibilityNo cancel feeOn-time71%
DeltaCheapest$569Average$727FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$571Average$763FlexibilityNo cancel feeOn-time81%

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