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St. Louis

$265+ Cheap flights from Quito (UIO) to St. Louis (STL)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — STL
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Quito to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Quito (UIO) to St. Louis (STL). 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$697
(United Airlines)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$867
Provider with most accurate pricing for Quito Mariscal Sucr-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Quito Mariscal Sucr-Lambert-St Louis flights.
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From Quito Mariscal Sucr to Lambert-St Louis
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One-way flight from Quito Mariscal Sucr to Lambert-St Louis
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Highest demand for flights based on searches. 11% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 2/141:35 amUIO - STL
1 stop8h 48mUnited Airlines
Sun 5/37:45 amSTL - UIO
2 stops39h 40mUnited Airlines
Deal found 1/7$697
This United Airlines deal was found by Cheapflights users on 1/8. 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 2/121:35 amUIO - STL
2 stops22h 24mUnited Airlines
Sun 3/17:41 amSTL - UIO
2 stops39h 49mUnited Airlines
Deal found 1/8$717
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Thu 2/1212:44 amUIO - STL
2 stops15h 44mAmerican Airlines
Sun 3/16:00 amSTL - UIO
2 stops15h 59mAmerican Airlines
Deal found 1/6$722
This United Airlines deal was found by Cheapflights users on 1/7. 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 3/2912:35 amUIO - STL
1 stop21h 53mUnited Airlines
Sat 4/410:10 amSTL - UIO
1 stop18h 50mUnited Airlines
Deal found 1/7$785
This American Airlines deal was found by Cheapflights users on 1/6. 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 3/412:44 amUIO - STL
1 stop10h 48mAmerican Airlines
Sun 3/1511:22 amSTL - UIO
1 stop10h 42mAmerican Airlines
Deal found 1/6$805
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Thu 3/512:44 amUIO - STL
1 stop24h 12mAmerican Airlines
Sun 3/1511:22 amSTL - UIO
1 stop10h 42mAmerican Airlines
Deal found 1/6$818

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quito to St. Louis 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 January 8, 2026.
Use the filters below to find and compare flights from Quito to St. Louis that are best for you.

Fly from

Quito

Fly to

St. Louis

Route

Depart

Return

Price

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 2/12

1:35 am-9:05 pm

2 stops20h 30m

Lambert-St Louis

Sun 3/1

7:41 am-12:30 am

2 stops39h 49m

$717

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 2/12

12:44 am-10:32 am

1 stop10h 48m

Lambert-St Louis

Sun 3/1

11:22 am-10:59 pm

1 stop10h 37m

$718

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Sat 2/14

1:35 am-10:59 pm

2 stops22h 24m

Lambert-St Louis

Sun 5/3

7:45 am-11:25 pm

2 stops39h 40m

$748

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Sun 3/29

12:35 am-10:28 pm

1 stop21h 53m

Lambert-St Louis

Sat 4/4

10:10 am-11:25 pm

1 stop13h 15m

$785

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Sat 2/28

6:20 pm-6:51 am

3 stops37h 31m

$265

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 2/26

6:20 pm-12:27 am

3 stops31h 07m

$267

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Fri 2/27

5:05 am-11:41 am

2 stops31h 36m

$285

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Wed 2/25

5:05 am-10:27 pm

2 stops18h 22m

$287

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Wed 2/25

1:35 am-9:23 am

1 stop8h 48m

$554

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 2/24

1:35 am-9:23 am

1 stop8h 48m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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

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?

    A quick flight from Quito to St. Louis can take about 20h 30m. United Airlines provides one of the quickest options available for as low as $717. 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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