Cheap flights from Raleigh to St. Louis from $87
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to St. Louis departing on 5/1. 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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Frontier flights from Raleigh to St. Louis
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Spirit Airlines flights from Raleigh to St. Louis
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How to get the cheapest flight ticket from Raleigh 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, June is the cheapest month to fly from Raleigh to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $313. The month of July is another great option to travel to St. Louis, with average flight prices from Raleigh averaging around $324.
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 $382. 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 $511. 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 Raleigh in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $331 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $416 per ticket.
What is the cheapest Raleigh-Durham to Lambert-St Louis flight route?
Fly from Raleigh-Durham to Lambert-St Louis for the best Raleigh-Durham - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Raleigh when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $352 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Raleigh for as low as $300 on momondo.
What cabin class options are available on Raleigh-Durham to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Raleigh-Durham to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Raleigh-Durham to Lambert-St Louis?
Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from Raleigh-Durham to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to St. Louis from Raleigh according to our data. American Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Raleigh to St. Louis on average per day?
The number of flights available between Raleigh and St. Louis is 1 per day as of April 2025. The most frequent departure time is 8:00PM, with 50% of daily flights leaving in the evening.
How many flights depart from Raleigh to St. Louis on average per week?
As of April 2025, there are 9 flights per week flying from Raleigh to St. Louis. The most common day of the week flights depart is Mon, with 22% of flights taking off on this day.
When to book flights from Raleigh to St. Louis
Cheap Raleigh to St. Louis (RDU to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Raleigh to St. Louis
How far is Raleigh-Durham to Lambert-St Louis by plane?
Lambert-St Louis is 665.0 mi away from Raleigh-Durham. 2h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Raleigh-Durham Airport to Lambert-St Louis Airport?
Prices for flights from Raleigh-Durham Airport to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Raleigh-Durham Airport to Lambert-St Louis Airport?
The number of operators available for flights from Raleigh-Durham Airport to Lambert-St Louis Airport is 5 as of April 2025.
How old do you have to be to fly from Raleigh-Durham Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Raleigh-Durham Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Raleigh to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Raleigh to St. Louis is Boeing 737-700 Passenger/BBJ1 (winglets) (25.20% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (20.73%), Boeing 737-800 Passenger/BBJ2 (winglets) (17.89%), and Boeing 737-900 (9.76%).
What is the most popular airline from Raleigh to St. Louis?
Based on momondo bookings for flights between Raleigh and St. Louis, the leading airline is American Airlines, making up 57% of the total bookings. Other popular airlines include Southwest with 24%, Delta with 15%, and Frontier with 3%.
Best airlines flying from Raleigh to St. Louis
Compare and see reviews for airlines that fly from Raleigh to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $125 | Free Cancellation | Rating 6.0 3,281 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 8.0 4,279 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 8.0 7,918 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.4 8,658 reviews |
Southwest Flights From Raleigh to St. Louis
Across 10 Southwest flights from Raleigh to St. Louis this week, the average price was $370, with the best Southwest deals starting from $176 round-trip. 4,279 users have rated Southwest on momondo, with an average score of 8.0/10.
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Why should I use momondo to find a flight deal from Raleigh to St. Louis?
It is quick and easy to find Raleigh to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Raleigh to St. Louis with flexible booking policies on momondo?
Flights from Raleigh 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 Raleigh to St. Louis?
momondo helps you find the best flight between Raleigh 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 Raleigh to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Raleigh to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.