Cheap flights from Santa Rosa to St. Louis from $223
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to St. Louis departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Santa Rosa to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Alaska Airlines flights from Santa Rosa to St. Louis
Our best Alaska Airlines deals on Santa Rosa to St. Louis flight tickets
American Airlines flights from Santa Rosa to St. Louis
Our best American Airlines deals on Santa Rosa to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Santa Rosa 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 cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $420. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $455. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Santa Rosa in the evening is the least expensive time of day to depart. momondo users have found prices as low as $422 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $456 per ticket.
What is the cheapest airline that flies from Santa Rosa Sonoma County to Lambert-St Louis?
Alaska Airlines is the most popular carrier operating from Santa Rosa Sonoma County to Lambert-St Louis
What airlines fly to St. Louis?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to St. Louis from Santa Rosa according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 6 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
When to book flights from Santa Rosa to St. Louis
Cheap Santa Rosa to St. Louis (STS to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to St. Louis
How far is Santa Rosa Sonoma County to Lambert-St Louis by plane?
The straight-line distance from Santa Rosa Sonoma County to Lambert-St Louis is 1746.9 mi. A reasonable flight in good conditions will take 8h 22m.
When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Lambert-St Louis Airport?
Prices for flights from Santa Rosa Sonoma County Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Santa Rosa Sonoma County Airport to Lambert-St Louis Airport?
As of March 2025, there is 1 operator available to choose from for flights from Santa Rosa Sonoma County Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Santa Rosa to St. Louis?
Based on momondo bookings for flights between Santa Rosa and St. Louis, the leading airline is American Airlines, making up 100% of the total bookings.
Best airlines flying from Santa Rosa to St. Louis
Compare and see reviews for airlines that fly from Santa Rosa to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $346 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Santa Rosa to St. Louis?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Santa Rosa to St. Louis. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Santa Rosa to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Santa Rosa with this policy.
How can momondo help me find flights from Santa Rosa to St. Louis?
momondo helps you find the best flight between Santa Rosa and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Santa Rosa to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from Santa Rosa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.