Cheap flights from St. Louis to Rhode Island from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Rhode Island departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

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 St. Louis to Rhode Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:27 pm - 1:24 am
STL
-
BOS
6h 57m
1 stop
Frontier Logo
6:00 am - 4:54 pm
BOS
-
STL
11h 54m
1 stop
$160Frontier
Fri, May 8 - Sun, May 10
Frontier Logo
5:27 pm - 1:24 am
STL
-
BOS
6h 57m
1 stop
Frontier Logo
6:00 am - 4:54 pm
BOS
-
STL
11h 54m
1 stop
$180Frontier
Fri, May 15 - Sun, May 17
Frontier Logo
5:27 pm - 1:24 am
STL
-
BOS
6h 57m
1 stop
Frontier Logo
6:00 am - 5:33 pm
BOS
-
STL
12h 33m
1 stop
$185Frontier
Fri, May 15 - Sun, May 24
Frontier Logo
5:27 pm - 1:24 am
STL
-
BOS
6h 57m
1 stop
Frontier Logo
6:00 am - 5:30 pm
BOS
-
STL
12h 30m
1 stop
$200Frontier
Sat, May 30 - Tue, Jun 9
Delta Logo
3:42 pm - 11:41 pm
STL
-
PVD
6h 59m
1 stop
Delta Logo
6:20 am - 12:53 pm
PVD
-
STL
7h 33m
1 stop
$351Delta
Tue, Aug 25 - Wed, Sep 2
Southwest Logo
8:30 am - 5:45 pm
STL
-
PVD
8h 15m
2 stops
Southwest Logo
3:55 pm - 9:05 pm
PVD
-
STL
6h 10m
1 stop
$356Southwest
Wed, May 6 - Tue, May 19
Southwest Logo
5:30 am - 3:10 pm
STL
-
PVD
8h 40m
1 stop
Southwest Logo
11:45 am - 3:15 pm
PVD
-
STL
4h 30m
1 stop
$357Southwest
Tue, Apr 21 - Wed, Apr 29
Multiple Airlines Logo
8:08 pm - 6:00 am
STL
-
PVD
8h 52m
1 stop
Multiple Airlines Logo
7:00 am - 5:30 pm
PVD
-
STL
11h 30m
2 stops
$367Multiple Airlines
Sat, Aug 29 - Tue, Sep 1
Multiple Airlines Logo
6:33 pm - 3:45 pm
STL
-
PVD
20h 12m
2 stops
Multiple Airlines Logo
8:30 pm - 7:23 pm
PVD
-
STL
23h 53m
1 stop
$380Multiple Airlines
Tue, Aug 25 - Wed, Sep 2
Delta Logo
6:00 am - 12:21 pm
STL
-
PVD
5h 21m
1 stop
Delta Logo
8:30 am - 12:53 pm
PVD
-
STL
5h 23m
1 stop
$389Delta
Wed, Aug 26 - Mon, Aug 31

Frontier flights from St. Louis to Rhode Island

Our best Frontier deals on St. Louis to Rhode Island flight tickets
Frontier
May 8
STL5:27 pmLambert-St Louis
6h 57m
1 stop
BOS1:24 amBoston Logan Intl
May 10
BOS6:00 amBoston Logan Intl
11h 54m
1 stop
STL4:54 pmLambert-St Louis
$160
Frontier
May 15
STL5:27 pmLambert-St Louis
6h 57m
1 stop
BOS1:24 amBoston Logan Intl
May 17
BOS6:00 amBoston Logan Intl
11h 54m
1 stop
STL4:54 pmLambert-St Louis
$180
Frontier
May 15
STL5:27 pmLambert-St Louis
6h 57m
1 stop
BOS1:24 amBoston Logan Intl
May 24
BOS6:00 amBoston Logan Intl
12h 33m
1 stop
STL5:33 pmLambert-St Louis
$185

Southwest flights from St. Louis to Rhode Island

Our best Southwest deals on St. Louis to Rhode Island flight tickets
Southwest
May 23
STL6:55 pmLambert-St Louis
2h 30m
BOS10:25 pmBoston Logan Intl
May 27
BOS5:55 pmBoston Logan Intl
3h 05m
STL8:00 pmLambert-St Louis
$335
Southwest
May 23
STL6:55 pmLambert-St Louis
2h 30m
BOS10:25 pmBoston Logan Intl
May 27
BOS10:45 amBoston Logan Intl
5h 20m
1 stop
STL3:05 pmLambert-St Louis
$345
Southwest
Apr 29
STL7:35 amLambert-St Louis
7h 20m
2 stops
BOS3:55 pmBoston Logan Intl
May 6
BOS7:35 amBoston Logan Intl
8h 40m
2 stops
STL3:15 pmLambert-St Louis
$347

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Rhode Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 4, 2026.
Use the filters below to find and compare flights from St. Louis to Rhode Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Fri 5/8

5:27 pm-1:24 am

1 stop6h 57m

Boston Logan Intl

Sun 5/10

6:00 am-4:54 pm

1 stop11h 54m

$160

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Fri 5/15

5:27 pm-1:24 am

1 stop6h 57m

Boston Logan Intl

Sun 5/17

6:00 am-4:54 pm

1 stop11h 54m

$180

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Fri 5/15

5:27 pm-1:24 am

1 stop6h 57m

Boston Logan Intl

Sun 5/24

6:00 am-5:33 pm

1 stop12h 33m

$185

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sat 5/30

5:27 pm-1:24 am

1 stop6h 57m

Boston Logan Intl

Tue 6/9

6:00 am-5:30 pm

1 stop12h 30m

$200

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Tue 8/25

3:42 pm-11:41 pm

1 stop6h 59m

Providence-TFGreen

Wed 9/2

6:20 am-12:53 pm

1 stop7h 33m

$351

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Wed 5/6

8:30 am-5:45 pm

2 stops8h 15m

Providence-TFGreen

Tue 5/19

3:55 pm-9:05 pm

1 stop6h 10m

$356

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Tue 4/21

5:30 am-3:10 pm

1 stop8h 40m

Providence-TFGreen

Wed 4/29

11:45 am-3:15 pm

1 stop4h 30m

$357

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Sat 8/29

8:08 pm-6:00 am

1 stop8h 52m

Providence-TFGreen

Tue 9/1

7:00 am-5:30 pm

2 stops11h 30m

$367

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Tue 8/25

6:33 pm-3:45 pm

2 stops20h 12m

Providence-TFGreen

Wed 9/2

8:30 pm-7:23 pm

1 stop23h 53m

$380
Quickest round-trip

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Wed 8/26

6:00 am-12:21 pm

1 stop5h 21m

Providence-TFGreen

Mon 8/31

8:30 am-12:53 pm

1 stop5h 23m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Rhode Island from

How to get the cheapest flight ticket from St. Louis to Rhode Island

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 Rhode Island?

If you are unable to visit Rhode Island during the month of September, then departing from St. Louis during the month August is also very affordable. Most momondo users find prices during this month for around $414.

What is the cheapest day to depart on your flight to Rhode Island?

The cheapest day to depart on your flight to Rhode Island is on a Wednesday when prices can be found for as low as $478. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Rhode Island on Sunday is $707.

What is the cheapest time of day to depart on your flight to Rhode Island?

The cheapest time of day to fly to Rhode Island is in the evening when flights can be purchased for as low as $441. Flights at noon are often more expensive with an average ticket price of $968.

How far in advance should I book a flight to Rhode Island?

You are more likely to see cheaper flights to Rhode Island from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Rhode Island for around $463 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rhode Island from St. Louis for as low as $353 on momondo.

Cheap St. Louis to Rhode Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Rhode Island

Fastest flight time

2h 30m

Direct flights

Every day

Airports in Rhode Island

19 airports
The fastest flight from St. Louis to Rhode Island takes 2h 30m
Direct flights go from St. Louis to Rhode Island every day.
There are 19 airports in Rhode Island. From St. Louis there are direct flights to Boston Logan Intl (BOS).

Frequently asked questions about flying from St. Louis to Rhode Island

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Rhode Island?

    Prices for flights from Lambert-St Louis Airport to Rhode Island refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Rhode Island?

  • How old do you have to be to fly from Lambert-St Louis Airport to Rhode Island?

    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 Lambert-St Louis Airport to Rhode Island.

  • What documentation or ID do you need to fly to Rhode Island?

    The travel and health documents you'll need for your trip to Rhode Island may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rhode Island. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Rhode Island

Compare and see reviews for airlines that fly from St. Louis to Rhode Island with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $236Free CancellationRating
8.0
4,343 reviews
Search Southwest flights
DeltaPriceFrom $300Free CancellationRating
7.9
8,383 reviews
Search Delta flights
American AirlinesPriceFrom $316Free CancellationRating
7.1
11,556 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Rhode Island?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Rhode Island. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Rhode Island with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rhode Island from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Rhode Island?

momondo helps you find the best flight between St. Louis and Rhode Island 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 St. Louis to Rhode Island right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Rhode Island flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Rhode Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/4
Mon 5/11

Find better results for your trip to Rhode Island

Popular cities in Rhode Island

Popular flights according to clicks in the last 7 days on momondo