Cheap flights from St. Louis to Quito from $638
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Quito departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Tue 1/19
6:00 am-11:00 pm
2 stops16h 00m
Quito Mariscal Sucr
Tue 2/2
8:55 am-11:39 pm
2 stops15h 44m
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
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
Mon 2/1
12:55 am-6:01 pm
1 stop18h 06m
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Sat 3/6
10:36 am-11:53 pm
2 stops12h 17m
Quito Mariscal Sucr
Wed 3/24
5:15 am-5:27 pm
1 stop12h 12m
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-5:33 pm
1 stop17h 39m
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Sat 3/6
10:36 am-11:53 pm
2 stops12h 17m
Quito Mariscal Sucr
Wed 3/24
11:55 pm-3:33 pm
2 stops15h 38m
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Fri 1/1
6:00 am-11:00 pm
2 stops16h 00m
Quito Mariscal Sucr
Mon 1/25
8:55 am-8:12 am
2 stops24h 17m
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Thu 11/19
6:00 am-9:25 pm
1 stop14h 25m
Quito Mariscal Sucr
Wed 11/25
12:55 am-1:23 pm
1 stop13h 28m
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Mon 12/7
6:00 am-9:25 pm
1 stop14h 25m
Quito Mariscal Sucr
Sun 12/13
12:55 am-4:24 pm
1 stop16h 29m
St. LouisQuito
STL Lambert-St Louis - UIO Quito Mariscal Sucr
STLUIO
Lambert-St Louis
Mon 12/7
6:00 am-9:25 pm
1 stop14h 25m
Quito Mariscal Sucr
Mon 12/14
8:55 am-12:05 am
2 stops16h 10m
See travel insights to Quito from
How to get the cheapest flight ticket from St. Louis to Quito
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Quito?
The cheapest month to fly to Quito from St. Louis is in June. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Quito during the month of June, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $687.
Can stopping save me money on St. Louis to Quito flights?
You could potentially save up to 4% on your flight if you consider stops on a St. Louis to Quito flight.
When to book flights from St. Louis to Quito
Cheap St. Louis to Quito (STL to UIO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Quito
Frequently asked questions about flying from St. Louis to Quito
How far is Lambert-St Louis to Quito Mariscal Sucr by plane?
There are 2783.2 mi between Lambert-St Louis and Quito Mariscal Sucr. Typically, this will take 11h 52m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to Quito Mariscal Sucr Airport?
Prices for flights from Lambert-St Louis Airport to Quito Mariscal Sucr Airport refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Quito Mariscal Sucr Airport?
There are 2 operators available for flights from Lambert-St Louis Airport to Quito Mariscal Sucr Airport as of October 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Quito Mariscal Sucr Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Quito Mariscal Sucr Airport.
What documentation or ID do you need to fly to Quito Mariscal Sucr Airport?
The required travel and health documents for your Quito Mariscal Sucr Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Quito Mariscal Sucr Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from St. Louis to Quito?
Based on momondo bookings for flights between St. Louis and Quito, the leading airline is Delta, making up 57% of the total bookings. Other popular airlines include American Airlines with 43%.
Best airlines flying from St. Louis to Quito
Compare and see reviews for airlines that fly from St. Louis to Quito with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $592 | Free Cancellation | Rating 7.0 12,129 reviews | |||
| PriceFrom $707 | Free Cancellation | Rating 7.8 8,633 reviews |
Traveling to a place near Quito?
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Why should I use momondo to find a flight deal from St. Louis to Quito?
Finding the right flight to Quito from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Quito quick and easy, saving you time and money.
Can I find flights from St. Louis to Quito with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Quito from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Quito?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Quito.
I’m not ready to book a flight from St. Louis to Quito right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Quito, momondo offers a useful price alert feature which will track prices for flights to Quito from St. Louis and alert you when they change.