STL

$99 Find Cheap Flights from Rhode Island to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Rhode Island to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Rhode Island to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Rhode Island to St. Louis

Tue, Jul 14 - Tue, Jul 21
Delta Logo
5:24 pm - 11:53 pm
PVD
-
STL
7h 29m
1 stop
Delta Logo
6:09 pm - 11:36 pm
STL
-
PVD
4h 27m
1 stop
$333Delta
Wed, Jul 8 - Wed, Jul 15
Southwest Logo
11:35 am - 6:25 pm
BOS
-
STL
7h 50m
2 stops
Southwest Logo
3:15 pm - 11:25 pm
STL
-
BOS
7h 10m
2 stops
$347Southwest
Sat, Aug 15 - Tue, Aug 18
Southwest Logo
5:30 am - 7:20 am
BOS
-
STL
2h 50mnonstop
Southwest Logo
6:30 am - 12:15 pm
STL
-
BOS
4h 45m
1 stop
$348Southwest
Wed, Jul 1 - Fri, Jul 3
Frontier Logo
6:00 am - 6:18 pm
BOS
-
STL
13h 18m
2 stops
Frontier Logo
5:06 pm - 7:48 am
STL
-
BOS
13h 42m
1 stop
$349Frontier
Tue, Jul 7 - Thu, Jul 9
Frontier Logo
10:04 am - 8:57 am
BOS
-
STL
23h 53m
2 stops
Frontier Logo
6:34 pm - 7:46 am
STL
-
BOS
12h 12m
1 stop
$350Frontier
Wed, Jul 8 - Sat, Jul 11
Frontier Logo
8:41 am - 5:37 pm
BOS
-
STL
33h 56m
2 stops
Frontier Logo
4:57 pm - 10:57 am
STL
-
BOS
17h 00m
1 stop
$351Frontier
Wed, Jul 1 - Tue, Jul 21
American Airlines Logo
7:22 pm - 11:59 pm
PVD
-
STL
5h 37m
1 stop
American Airlines Logo
6:43 am - 2:30 pm
STL
-
PVD
6h 47m
1 stop
$352American Airlines
Sat, Oct 3 - Wed, Oct 7
United Airlines Logo
8:00 am - 12:15 pm
BOS
-
STL
5h 15m
1 stop
United Airlines Logo
7:30 am - 2:35 pm
STL
-
BOS
6h 05m
1 stop
$353United Airlines
Thu, Aug 13 - Mon, Aug 17
Frontier Logo
11:59 am - 11:59 pm
BOS
-
STL
13h 00m
2 stops
Frontier Logo
4:57 pm - 7:52 am
STL
-
BOS
13h 55m
1 stop
$355Frontier
Mon, Aug 17 - Sat, Aug 22
American Airlines Logo
5:45 pm - 12:14 am
BOS
-
STL
7h 29m
1 stop
American Airlines Logo
5:00 am - 3:24 pm
STL
-
BOS
9h 24m
1 stop
$356American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$99
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Boston to St. Louis

FAQs for booking flights from Rhode Island to St. Louis

  • How does KAYAK find such low prices on flights from Rhode Island to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rhode Island to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rhode Island to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Rhode Island is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Rhode Island to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Rhode Island with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rhode Island to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Rhode Island up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis