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

A quick flight from Quito to St. Louis can take about 14h 09m. American Airlines provides one of the quickest options available for as low as $697. The distance between Quito and St. Louis is about 2790 mi.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

Most trusted provider : When it comes to deals on Quito-St. Louis 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 Quito-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$697+ Flights from Quito to St. Louis

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

Airfare is below average for this route at the moment. Quito to St. Louis flights typically cost between $715 and $813 in January. The cheapest round-trip price found within the last 3 days was $705 on American Airlines (Jan 19-Feb 22).

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1. Tell us where you want to go

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Cheap flight deals from Quito to St. Louis

Cheapest flights from Quito to St. Louis
Explore the most affordable flight options available from Quito to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

Mon 12/221:35 amUIO - STL

1 stop9h 14mUnited Airlines

Sun 1/46:00 amSTL - UIO

1 stop17h 30mUnited Airlines

Deal found 12/6

$1,186

Mon 12/81:35 amUIO - STL

2 stops21h 05mUnited Airlines

Sun 12/288:05 amSTL - UIO

2 stops21h 05mUnited Airlines

Deal found 12/7

$1,328

Best flights from Quito to St. Louis
Discover carefully curated flight deals from Quito to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 8, 2025.

Tue 2/1712:45 amUIO - STL

2 stops14h 09mAmerican Airlines

Mon 4/209:38 amSTL - UIO

2 stops13h 07mAmerican Airlines

Deal found 12/6

$697

Thu 1/227:04 amUIO - STL

1 stop11h 18mAmerican Airlines

Sun 3/111:19 amSTL - UIO

1 stop11h 04mAmerican Airlines

Deal found 12/6

$705

Mon 1/1912:49 amUIO - STL

1 stop9h 19mAmerican Airlines

Sun 2/225:05 amSTL - UIO

1 stop17h 18mAmerican Airlines

Deal found 12/6

$705

Wed 1/217:04 amUIO - STL

1 stop17h 55mAmerican Airlines

Sun 3/15:05 amSTL - UIO

1 stop14h 30mAmerican Airlines

Deal found 12/6

$705

Last-minute flights from Quito to St. Louis
Discover last-minute flight deals from Quito to St. Louis. Data last updated December 8, 2025 and is based on user searches.

Mon 12/81:35 amUIO - STL

2 stops21h 05mUnited Airlines

Sun 12/288:05 amSTL - UIO

2 stops21h 05mUnited Airlines

Deal found 12/7

$1,328

Mon 12/221:35 amUIO - STL

1 stop9h 14mUnited Airlines

Sun 1/46:00 amSTL - UIO

1 stop17h 30mUnited Airlines

Deal found 12/6

$1,186

Mon 1/511:45 pmUIO - STL

3 stops63h 09mMultiple Airlines

Sat 1/105:11 pmSTL - UIO

3 stops35h 06mMultiple Airlines

Deal found 12/8

$962

Mon 1/1912:49 amUIO - STL

1 stop9h 19mAmerican Airlines

Sun 2/2211:19 amSTL - UIO

1 stop8h 16mAmerican Airlines

Deal found 12/7

$705

Wed 1/217:04 amUIO - STL

1 stop11h 18mAmerican Airlines

Sun 3/17:00 amSTL - UIO

2 stops15h 23mAmerican Airlines

Deal found 12/6

$709

Thu 1/221:35 amUIO - STL

1 stop8h 47mUnited Airlines

Mon 1/266:00 amSTL - UIO

1 stop17h 30mUnited Airlines

Deal found 12/7

$879

Fri 1/2310:05 amUIO - STL

2 stops34h 22mAvianca

Mon 1/268:30 amSTL - UIO

2 stops23h 25mAvianca

Deal found 12/6

$881

Find flight deals from Quito to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$684 (United Airlines)
Popular in	June
Cheapest in	May
Average price	$813

Provider with most accurate pricing for Quito Mariscal Sucr-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Quito Mariscal Sucr-Lambert-St Louis flights.

Search Deals

From Quito Mariscal Sucr to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($79 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 2/17

12:45 am-1:54 pm

2 stops14h 09m

Lambert-St Louis

Mon 4/20

9:38 am-10:45 pm

2 stops13h 07m

$697

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 1/22

7:04 am-5:22 pm

1 stop11h 18m

Lambert-St Louis

Sun 3/1

11:19 am-11:23 pm

1 stop11h 04m

$705

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Mon 1/19

12:49 am-9:08 am

1 stop9h 19m

Lambert-St Louis

Sun 2/22

5:05 am-11:23 pm

1 stop17h 18m

$705

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Wed 1/21

7:04 am-11:59 pm

1 stop17h 55m

Lambert-St Louis

Sun 3/1

5:05 am-8:35 pm

1 stop14h 30m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Compare providers for flights from Quito to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Quito to St. Louis in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 Quito-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Quito-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Quito-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Quito-St. Louis 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 Quito-St. Louis 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 Quito to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Quito 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 Quito to St. Louis

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

When flying from Quito to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight in the evening.

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

Related info for your journey

How long is the flight from Quito to St. Louis?
A quick flight from Quito to St. Louis can take about 14h 09m. American Airlines provides one of the quickest options available for as low as $697. The distance between Quito and St. Louis is about 2790 mi.
Can I find deals for flights from Quito to St. Louis that include hotel bookings?
Yes. In addition to deals on Quito to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Quito to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Quito to St. Louis.
Can I find deals for business class flights from Quito to St. Louis?
Yes. Cheapflights offers flight deals from Quito to St. Louis 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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$697+ Cheap flights from Quito (UIO) to St. Louis (STL)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Quito to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Quito to St. Louis

Cheapest flights from Quito to St. LouisExplore the most affordable flight options available from Quito to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

Explore the most affordable flight options available from Quito to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

Find flight deals from Quito to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Quito to St. Louis

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 Quito to St. Louis in December.

Best time to book a flight from Quito to St. Louis

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

Cheapflights Insights

Everything you need to know about your flight from Quito to St. Louis

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

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

Related info for your journey

Find useful and relevant information for your journey from Quito to St. Louis. 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 Quito to St. Louis?

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

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

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

Traveling to a place near St. Louis?

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Cheapest flights from Quito to St. Louis
Explore the most affordable flight options available from Quito to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.