$687+ Cheap flights from St. Louis (STL) to Ecuador
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 11/16. 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 Ecuador with Cheapflights
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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
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Cheapest flights from St. Louis to EcuadorExplore the most affordable flight options available from St. Louis to Ecuador. 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 Ecuador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 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.
Mon 11/166:15 pm -
1 stop19h 19m
Mon 11/233:35 pm -
1 stop19h 32m
Deal found 10/2![American Airlines logo]()
$687
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 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.
Thu 10/225:40 am -
2 stops16h 59m
Sun 10/252:29 pm -
2 stops20h 22m
Deal found 10/6![American Airlines logo]()
$691
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 10/2. 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 10/316:07 pm -
1 stop29h 09m
Sat 11/76:00 am -
1 stop16h 47m
Deal found 10/2![American Airlines logo]()
$724
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
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.
Sun 12/204:46 pm -
2 stops20h 44m
Wed 12/303:30 pm -
2 stops19h 49m
Deal found 10/5![American Airlines logo]()
$887
Best flights from St. Louis to EcuadorDiscover carefully curated flight deals from St. Louis to Ecuador 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 Ecuador 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.
Mon 11/166:15 pm -
1 stop19h 19m
Mon 11/233:35 pm -
1 stop19h 32m
Deal found 10/2![American Airlines logo]()
$687
This United 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 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 10/4![United Airlines logo]()
$764
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.
Thu 10/2211:21 am -
2 stops11h 18m
Sun 10/252:29 pm -
2 stops20h 22m
Deal found 10/2![American Airlines logo]()
$691
This United 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 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 10/4![United Airlines logo]()
$768
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 10/316:07 pm -
1 stop20h 27m
Sat 11/76:00 am -
2 stops14h 37m
Deal found 10/2![American Airlines logo]()
$729
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 10/2. 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.
Thu 3/186:00 am -
2 stops15h 33m
Mon 3/292:30 pm -
1 stop27h 03m
Deal found 10/2![American Airlines logo]()
$731
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 1/110:45 am -
2 stops18h 25m
Sat 1/231:35 am -
1 stop8h 56m
Deal found 10/5![United Airlines logo]()
$852
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 3/206:57 pm -
2 stops18h 33m
Mon 3/292:30 pm -
2 stops18h 05m
Deal found 10/2![American Airlines logo]()
$749
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 EcuadorDiscover last-minute flight deals from St. Louis to Ecuador. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Ecuador. 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 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.
Thu 10/225:00 am -
1 stop17h 39m
Sun 10/252:29 pm -
2 stops20h 22m
Deal found 10/6![American Airlines logo]()
$691
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 10/316:07 pm -
1 stop29h 09m
Sat 11/76:00 am -
1 stop16h 47m
Deal found 10/2![American Airlines logo]()
$724
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.
Mon 11/166:15 pm -
1 stop19h 19m
Mon 11/233:35 pm -
1 stop19h 32m
Deal found 10/2![American Airlines logo]()
$687
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:34 pm -
3 stops28h 01m
Sun 11/223:30 am -
3 stops29h 24m
Deal found 10/2![Multiple Airlines logo]()
$942
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 Ecuador
Keep the following information in mind while searching for St. Louis to Ecuador flight deals. Data was last updated October 7, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $638 (LATAM Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Ecuador 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 Ecuador that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisGuayaquil
STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo
STLGYE
Lambert-St Louis
Mon 11/16
6:15 pm-2:34 pm
1 stop19h 19m
Guayaquil Jose Joaquin de Olmedo
Mon 11/23
3:35 pm-10:07 am
1 stop19h 32m
$687
St. LouisGuayaquil
STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo
STLGYE
Lambert-St Louis
Thu 10/22
11:21 am-10:39 pm
2 stops11h 18m
Guayaquil Jose Joaquin de Olmedo
Sun 10/25
2:29 pm-10:51 am
2 stops20h 22m
$691
St. LouisGuayaquil
STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo
STLGYE
Lambert-St Louis
Sat 10/31
6:07 pm-2:34 pm
1 stop20h 27m
Guayaquil Jose Joaquin de Olmedo
Sat 11/7
6:00 am-7:37 pm
2 stops14h 37m
$729
St. LouisGuayaquil
STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo
STLGYE
Lambert-St Louis
Thu 3/18
6:00 am-9:33 pm
2 stops15h 33m
Guayaquil Jose Joaquin de Olmedo
Mon 3/29
2:30 pm-5:33 pm
1 stop27h 03m
$731
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. LouisGuayaquil
STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo
STLGYE
Lambert-St Louis
Sat 3/20
6:57 pm-1:30 pm
2 stops18h 33m
Guayaquil Jose Joaquin de Olmedo
Mon 3/29
2:30 pm-8:35 am
2 stops18h 05m
$749
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 11/21
5:34 pm-12:30 am
2 stops29h 56m
Quito Mariscal Sucr
Sun 11/29
1:35 am-10:25 pm
1 stop21h 50m
$768
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
Showing 1-10 of 11 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Ecuador
Have a flexible travel schedule? Discover the best time to fly to Ecuador from St. Louis with our price prediction graph.
STL-GYE
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Ecuador
STL-EC0
STL-GYE
STL-UIO
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Ecuador
Get insights into the airlines that provide service to Ecuador. 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 Ecuador. Reviews last updated October 7, 2026.
See what other customers who have flown with Delta and American Airlines from St. Louis to Ecuador have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
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 Ecuador. 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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Alternative routes for St. Louis to Ecuador
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Complete your trip
Complete your trip to Ecuador by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Ecuador flights
Browse other St. Louis and Ecuador flight options. Last updated on October 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Ecuador regions
Consider these flights traveling to Ecuador regions.
Top 2 airlines flying from St. Louis to Ecuador
Discover the top 2 airlines that operate flights from St. Louis to Ecuador. 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 |