$487+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Nov 9 — Nov 161
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
One-way
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 10, 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 10, 2026.
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 11/86:50 pm -
2 stops28h 40m
Sat 11/141:35 am -
1 stop9h 27m
Deal found 10/8![United Airlines logo]()
$682
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
Sun 12/1312:55 am -
1 stop16h 29m
Deal found 10/6![Delta logo]()
$708
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 American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:38 am -
1 stop10h 58m
Sat 11/1412:55 am -
1 stop10h 13m
Deal found 10/8![American Airlines logo]()
$796
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:14 am -
1 stop8h 45m
Mon 10/1212:59 am -
1 stop17h 16m
Deal found 10/6![LATAM 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 10, 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 10, 2026.
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1911:51 am -
1 stop8h 34m
Tue 2/28:55 am -
2 stops15h 44m
Deal found 10/6![LATAM Airlines logo]()
$638
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.
Sat 3/65:00 am -
1 stop15h 41m
Wed 3/2411:55 pm -
1 stop11h 23m
Deal found 10/5![American Airlines logo]()
$791
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sat 11/216:50 pm -
2 stops28h 40m
Sun 11/291:35 am -
2 stops42h 51m
Deal found 10/8![United Airlines logo]()
$797
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 12/116:00 am -
1 stop17h 30m
Sun 12/207:45 am -
1 stop15h 45m
Deal found 10/8![United Airlines logo]()
$935
Last-minute flights from St. Louis to QuitoDiscover last-minute flight deals from St. Louis to Quito. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Quito. Data last updated October 10, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 10/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:47 am -
1 stop8h 12m
Thu 10/2911:45 pm -
1 stop9h 24m
Deal found 10/7![LATAM Airlines logo]()
$894
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 11/86:50 pm -
2 stops28h 40m
Sat 11/141:35 am -
1 stop9h 27m
Deal found 10/8![United Airlines logo]()
$682
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:38 am -
1 stop10h 58m
Sat 11/1412:55 am -
1 stop10h 13m
Deal found 10/8![American Airlines logo]()
$796
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
One-way flights from St. Louis to QuitoSearch for one-way flight options from St. Louis to Quito. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
Search for one-way flight options from St. Louis to Quito. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:30 pm -
3 stops32h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/156:15 am -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$530
This LATAM Airlines deal was found by Cheapflights users on 10/8. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
1 stop14h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![LATAM Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:20 am -
3 stops54h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$580
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 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $638 (LATAM Airlines) |
One-way from | $487 (Kiwi.com) |
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 10, 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
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Tue 11/3
9:40 am-2:12 pm
2 stops27h 32m
Quito Mariscal Sucr
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$487
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Thu 10/15
4:30 pm-12:32 am
3 stops32h 02m
Quito Mariscal Sucr
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$487
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Thu 10/15
1:29 pm-11:25 pm
2 stops33h 56m
Quito Mariscal Sucr
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$559
Quickest round-trip
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Tue 11/3
6:00 am-9:25 pm
1 stop14h 25m
Quito Mariscal Sucr
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$573
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Tue 11/3
6:20 am-2:12 pm
3 stops54h 52m
Quito Mariscal Sucr
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$580
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Tue 1/19
11:51 am-9:25 pm
1 stop8h 34m
Quito Mariscal Sucr
Tue 2/2
8:55 am-11:39 pm
2 stops15h 44m
$638
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
Sat 3/6
5:00 am-9:41 pm
1 stop15h 41m
Quito Mariscal Sucr
Wed 3/24
11:55 pm-11:18 am
1 stop11h 23m
$791
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Sat 11/21
6:50 pm-12:30 am
2 stops28h 40m
Quito Mariscal Sucr
Sun 11/29
1:35 am-7:26 pm
2 stops42h 51m
$797
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Fri 12/11
6:00 am-12:30 am
1 stop17h 30m
Quito Mariscal Sucr
Sun 12/20
7:45 am-10:30 pm
1 stop15h 45m
$935
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 10, 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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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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Complete your trip
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St. Louis and Quito flights
Browse other St. Louis and Quito flight options. Last updated on October 10, 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 10, 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 10, 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 10, 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 |