Cheap flights from Santiago to St. Louis from $491
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santiago to St. Louis departing on 11/21. 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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How to get the cheapest flight ticket from Santiago to St. Louis
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 typical price of a round-trip flight between Santiago and St. Louis?
When to book flights from Santiago to St. Louis
Cheap Santiago to St. Louis (SCL to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Santiago to St. Louis
How far is Santiago Arturo Merino Benitez to Lambert-St Louis by plane?
Santiago Arturo Merino Benitez and Lambert-St Louis are 5131.6 mi apart from one another. By plane, this route typically takes 12h 43m.
When did momondo last update prices for flights from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport?
Prices for flights from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport?
There is 1 operator available for flights from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport as of June 2025.
How old do you have to be to fly from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis 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 Lambert-St Louis 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 Santiago to St. Louis?
Based on momondo bookings for flights between Santiago and St. Louis, the leading airline is Delta, making up 100% of the total bookings.
Best airlines flying from Santiago to St. Louis
Compare and see reviews for airlines that fly from Santiago to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $843 | Free Cancellation | Rating 8.0 7,950 reviews |
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Why should I use momondo to find a flight deal from Santiago to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santiago to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from Santiago to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Santiago to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Santiago to St. Louis?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Santiago.
I’m not ready to book a flight from Santiago to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Santiago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.