STL

$100 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 4/12. 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, Apr 14 - Sat, Apr 18
American Airlines Logo
6:00 am - 11:09 am
BOS
-
STL
6h 09m
1 stop
American Airlines Logo
5:54 pm - 9:35 pm
STL
-
BOS
2h 41mnonstop
$345American Airlines
Tue, May 5 - Fri, May 8
Multiple Airlines Logo
8:15 am - 8:55 am
PVD
-
STL
25h 40m
2 stops
Multiple Airlines Logo
4:19 pm - 2:42 pm
STL
-
PVD
21h 23m
1 stop
$345Multiple Airlines
Sun, Apr 26 - Sat, May 2
Frontier Logo
12:31 pm - 6:50 am
BOS
-
STL
19h 19m
2 stops
Frontier Logo
8:23 pm - 1:31 am
STL
-
BOS
28h 08m
1 stop
$346Frontier
Tue, Apr 7 - Tue, Apr 14
Southwest Logo
2:25 pm - 10:00 pm
BOS
-
STL
8h 35m
2 stops
Southwest Logo
5:35 am - 1:45 pm
STL
-
BOS
7h 10m
2 stops
$347Southwest
Sun, Apr 5 - Tue, Apr 7
Multiple Airlines Logo
11:31 am - 7:51 am
BOS
-
STL
21h 20m
1 stop
Multiple Airlines Logo
11:21 am - 1:55 pm
STL
-
BOS
25h 34m
2 stops
$348Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
5:30 am - 5:34 pm
BOS
-
STL
13h 04m
1 stop
Frontier Logo
8:19 pm - 11:45 am
STL
-
BOS
14h 26m
2 stops
$349Frontier
Thu, Apr 9 - Mon, Apr 13
American Airlines Logo
8:41 am - 10:54 am
BOS
-
STL
3h 13mnonstop
American Airlines Logo
5:49 pm - 9:30 pm
STL
-
BOS
2h 41mnonstop
$350American Airlines
Thu, Apr 9 - Mon, Apr 13
Southwest Logo
5:40 am - 7:40 am
BOS
-
STL
3h 00mnonstop
Southwest Logo
2:30 pm - 6:05 pm
STL
-
BOS
2h 35mnonstop
$353Southwest
Wed, May 6 - Sat, May 9
Delta Logo
12:59 pm - 5:44 pm
PVD
-
STL
5h 45m
1 stop
Delta Logo
5:15 pm - 11:57 pm
STL
-
PVD
5h 42m
1 stop
$354Delta
Wed, May 6 - Sat, May 9
Delta Logo
3:41 pm - 9:19 pm
PVD
-
STL
6h 38m
1 stop
Delta Logo
5:15 pm - 11:57 pm
STL
-
PVD
5h 42m
1 stop
$357Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$100
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 5% 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