$662+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Nov 6 — Nov 131
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Quito with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Quito
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to QuitoExplore 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 October 7, 2026.
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 October 7, 2026.
This LATAM Airlines deal was found by Cheapflights users on 10/5. 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 11/1912:29 pm -
1 stop7h 56m
Thu 11/268:55 am -
2 stops14h 58m
Deal found 10/5![LATAM Airlines logo]()
$688
This Delta deal was found by Cheapflights users on 10/5. 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 11/196:00 am -
1 stop14h 25m
Wed 11/2512:55 am -
1 stop13h 28m
Deal found 10/5![Delta logo]()
$708
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:00 am -
1 stop14h 25m
Mon 12/148:55 am -
2 stops16h 10m
Deal found 10/6![Delta logo]()
$712
This American Airlines deal was found by Cheapflights users on 10/5. 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 11/196:43 am -
2 stops14h 35m
Thu 11/266:31 am -
2 stops26h 42m
Deal found 10/5![American Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:15 am -
1 stop17h 15m
Sun 11/291:35 am -
1 stop21h 50m
Deal found 10/6![United Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:34 pm -
2 stops29h 56m
Sun 11/291:35 am -
1 stop21h 50m
Deal found 10/6![United Airlines logo]()
$768
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Mon 12/76:02 am -
2 stops13h 41m
Mon 12/146:45 am -
2 stops15h 56m
Deal found 10/6![American Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/711:10 am -
1 stop12h 15m
Mon 10/1212:35 am -
1 stop13h 35m
Deal found 10/5![United Airlines logo]()
$824
Best flights from St. Louis to QuitoDiscover 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 October 7, 2026.
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 October 7, 2026.
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Sat 3/69:45 am -
2 stops12h 31m
Wed 3/2411:54 pm -
2 stops12h 49m
Deal found 10/2![American Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:15 am -
1 stop17h 15m
Sun 11/291:35 am -
1 stop21h 50m
Deal found 10/6![United Airlines logo]()
$764
This American Airlines deal was found by Cheapflights users on 10/5. 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 11/196:43 am -
2 stops14h 35m
Thu 11/266:31 am -
2 stops26h 42m
Deal found 10/5![American Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Fri 1/16:15 am -
1 stop22h 55m
Sun 1/241:35 am -
1 stop21h 55m
Deal found 10/5![United Airlines logo]()
$773
This American Airlines deal was found by Cheapflights users on 10/4. 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 1/67:21 am -
2 stops15h 34m
Tue 2/166:15 am -
2 stops16h 54m
Deal found 10/4![American Airlines logo]()
$780
Last-minute flights from St. Louis to QuitoDiscover last-minute flight deals from St. Louis to Quito. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Quito. Data last updated October 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/711:10 am -
1 stop12h 15m
Mon 10/1212:35 am -
1 stop13h 35m
Deal found 10/5![United Airlines logo]()
$824
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:20 pm -
1 stop23h 39m
Mon 10/1212:59 am -
1 stop15h 29m
Deal found 10/6![Delta logo]()
$829
This LATAM Airlines deal was found by Cheapflights users on 10/5. 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 11/1912:29 pm -
1 stop7h 56m
Thu 11/268:55 am -
2 stops14h 58m
Deal found 10/5![LATAM Airlines logo]()
$688
This Delta deal was found by Cheapflights users on 10/5. 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 11/196:00 am -
1 stop14h 25m
Wed 11/2512:55 am -
1 stop13h 28m
Deal found 10/5![Delta logo]()
$708
This American Airlines deal was found by Cheapflights users on 10/5. 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 11/196:43 am -
2 stops14h 35m
Thu 11/266:31 am -
2 stops26h 42m
Deal found 10/5![American Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:15 am -
1 stop17h 15m
Sun 11/291:35 am -
1 stop21h 50m
Deal found 10/6![United Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:34 pm -
2 stops29h 56m
Sun 11/291:35 am -
1 stop21h 50m
Deal found 10/6![United Airlines logo]()
$768
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 October 7, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $638 (LATAM Airlines) |
Popular in | August |
Cheapest in | May |
Average price | $790 |
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 7,457,451 searches. Data last updated October 7, 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
Cheapest round-trip
Quickest round-trip
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Sat 3/6
9:45 am-11:16 pm
2 stops12h 31m
Quito Mariscal Sucr
Wed 3/24
11:54 pm-12:43 pm
2 stops12h 49m
$662
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Thu 11/19
6:43 am-10:18 pm
2 stops14h 35m
Quito Mariscal Sucr
Thu 11/26
6:31 am-8:13 am
2 stops26h 42m
$745
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Fri 11/20
6:15 am-12:30 am
1 stop17h 15m
Quito Mariscal Sucr
Sun 11/29
1:35 am-10:25 pm
1 stop21h 50m
$764
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Fri 1/1
6:15 am-6:10 am
1 stop22h 55m
Quito Mariscal Sucr
Sun 1/24
1:35 am-10:30 pm
1 stop21h 55m
$773
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Wed 1/6
7:21 am-11:55 pm
2 stops15h 34m
Quito Mariscal Sucr
Tue 2/16
6:15 am-10:09 pm
2 stops16h 54m
$780
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Quito flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Quito flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
STL-UIO
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 October 7, 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.
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
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St. Louis and Quito flights
Browse other St. Louis and Quito flight options. Last updated on October 7, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Quito
Explore flights to Quito departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.
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 7,457,451 searches. Data last updated October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$592 | Average$826 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$707 | Average$831 | FlexibilityNo cancel fee | On-timeN/A |