Cheap flights from Rhode Island to St. Louis from $83
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to St. Louis departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Rhode Island to St. Louis
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Spirit Airlines flights from Rhode Island to St. Louis
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How to get the cheapest flight ticket from Rhode Island 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 month to fly to St. Louis?
In general, September is the cheapest month to fly from Rhode Island to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $373. The month of August is another great option to travel to St. Louis, with average flight prices from Rhode Island averaging around $391.
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 $422. 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 $508. 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 Rhode Island in the evening is the least expensive time of day to depart. momondo users have found prices as low as $431 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $459 per ticket.
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $434 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Rhode Island for as low as $387 on momondo.
What is the cheapest airline that flies from Rhode Island to Lambert-St Louis?
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Rhode Island to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Southwest and Delta are the top three most popular airlines that fly to St. Louis from Rhode Island according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
Cheap Rhode Island to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Rhode Island to St. Louis
When did momondo last update prices for flights from Rhode Island to Lambert-St Louis Airport?
Prices for flights from Rhode Island to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Rhode Island to Lambert-St Louis Airport?
The number of operators available for flights from Rhode Island to Lambert-St Louis Airport is 6 as of June 2025.
How old do you have to be to fly from Rhode Island 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 Rhode Island 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.
Best airlines flying from Rhode Island to St. Louis
Compare and see reviews for airlines that fly from Rhode Island to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $284 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 4,280 reviews |
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Why should I use momondo to find a flight deal from Rhode Island to St. Louis?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rhode Island to St. Louis for you.
Can I find flights from Rhode Island to St. Louis with flexible booking policies on momondo?
Flights from Rhode Island to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Rhode Island to St. Louis?
momondo helps you find the best flight between Rhode Island 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 Rhode Island to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from Rhode Island 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.