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Cheap flights from St. Louis to Rhode Island from $69

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 12/5. 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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Find the cheapest flights from St. Louis to Rhode Island

Cheap round-trip flights

Multiple Airlines Logo
10:57 am - 11:59 pmSTL-BOS
12h 02m1 stop
Multiple Airlines Logo
8:12 am - 9:32 amBOS-STL
26h 20m2 stops
$254Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Multiple Airlines Logo
11:32 am - 11:26 amSTL-BOS
22h 54m2 stops
Multiple Airlines Logo
8:24 pm - 6:10 pmBOS-STL
22h 46m1 stop
$257Multiple Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
6:00 am - 3:04 pmSTL-BOS
8h 04m1 stop
American Airlines Logo
6:50 am - 9:04 amBOS-STL
3h 14mnonstop
$260American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
10:36 am - 5:26 pmSTL-BOS
5h 50m1 stop
American Airlines Logo
8:00 am - 4:04 pmBOS-STL
9h 04m1 stop
$270American Airlines
Find Deal
Tue, Oct 14 - Sat, Oct 18
Spirit Airlines Logo
7:15 pm - 11:26 amSTL-BOS
15h 11m1 stop
Spirit Airlines Logo
2:15 pm - 10:02 amBOS-STL
20h 47m2 stops
$284Spirit Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Spirit Airlines Logo
10:57 am - 11:59 pmSTL-BOS
12h 02m1 stop
Spirit Airlines Logo
8:24 pm - 6:10 pmBOS-STL
22h 46m1 stop
$292Spirit Airlines
Find Deal
Thu, Oct 16 - Fri, Oct 17
Delta Logo
3:59 pm - 11:58 pmSTL-PVD
6h 59m1 stop
Delta Logo
12:55 pm - 5:29 pmPVD-STL
5h 34m1 stop
$297Delta
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
6:40 am - 12:09 pmSTL-PVD
4h 29m1 stop
Delta Logo
5:03 pm - 8:23 pmPVD-STL
4h 20m1 stop
$312Delta
Find Deal
Sat, Oct 18 - Tue, Oct 21
Southwest Logo
6:40 pm - 10:10 pmSTL-BOS
2h 30mnonstop
Southwest Logo
5:35 am - 7:35 amBOS-STL
3h 00mnonstop
$333Southwest
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Wed, Oct 22 - Sat, Oct 25
Southwest Logo
5:55 pm - 9:30 pmSTL-BOS
2h 35mnonstop
Southwest Logo
5:35 am - 7:35 amBOS-STL
3h 00mnonstop
$350Southwest
Find Deal
Fri, Oct 31 - Sat, Nov 1

United Airlines flights from St. Louis to Rhode Island

Our best United Airlines deals on St. Louis to Rhode Island flight tickets
United Airlines
Oct 7
STL6:00 amLambert-St Louis
6h 25m
1 stop
BOS1:25 pmBoston Logan Intl
Oct 9
BOS6:00 amBoston Logan Intl
5h 49m
1 stop
STL10:49 amLambert-St Louis
$344
Find similar
United Airlines
Oct 21
STL8:00 amLambert-St Louis
7h 22m
2 stops
BOS4:22 pmBoston Logan Intl
Oct 25
BOS6:00 amBoston Logan Intl
9h 27m
1 stop
STL2:27 pmLambert-St Louis
$360
Find similar
United Airlines
Oct 9
STL6:00 amLambert-St Louis
6h 25m
1 stop
BOS1:25 pmBoston Logan Intl
Oct 16
BOS6:00 amBoston Logan Intl
9h 27m
1 stop
STL2:27 pmLambert-St Louis
$366
Find similar

American Airlines flights from St. Louis to Rhode Island

Our best American Airlines deals on St. Louis to Rhode Island flight tickets
American Airlines
Oct 15
STL6:00 amLambert-St Louis
8h 04m
1 stop
BOS3:04 pmBoston Logan Intl
Oct 22
BOS6:50 amBoston Logan Intl
3h 14m
STL9:04 amLambert-St Louis
$260
Find similar
American Airlines
Oct 14
STL10:36 amLambert-St Louis
5h 50m
1 stop
BOS5:26 pmBoston Logan Intl
Oct 18
BOS8:00 amBoston Logan Intl
9h 04m
1 stop
STL4:04 pmLambert-St Louis
$270
Find similar
American Airlines
Oct 18
STL6:00 amLambert-St Louis
8h 04m
1 stop
BOS3:04 pmBoston Logan Intl
Oct 25
BOS6:50 amBoston Logan Intl
3h 14m
STL9:04 amLambert-St Louis
$276
Find similar

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 September 19, 2025.
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

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 10/23

10:57 am-11:59 pm

1 stop12h 02m

Boston Logan Intl

Sun 10/26

8:12 am-9:32 am

2 stops26h 20m

$254

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Fri 10/17

11:32 am-11:26 am

2 stops22h 54m

Boston Logan Intl

Fri 10/24

8:24 pm-6:10 pm

1 stop22h 46m

$257

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Wed 10/15

6:00 am-3:04 pm

1 stop8h 04m

Boston Logan Intl

Wed 10/22

6:50 am-9:04 am

Nonstop3h 14m

$260

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 10/14

10:36 am-5:26 pm

1 stop5h 50m

Boston Logan Intl

Sat 10/18

8:00 am-4:04 pm

1 stop9h 04m

$270

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sat 10/18

7:15 pm-11:26 am

1 stop15h 11m

Boston Logan Intl

Sat 10/25

2:15 pm-10:02 am

2 stops20h 47m

$284

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 10/16

10:57 am-11:59 pm

1 stop12h 02m

Boston Logan Intl

Fri 10/17

8:24 pm-6:10 pm

1 stop22h 46m

$292

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Wed 10/15

3:59 pm-11:58 pm

1 stop6h 59m

Providence-TFGreen

Wed 10/22

12:55 pm-5:29 pm

1 stop5h 34m

$297

St. LouisProvidence

STL - PVD

STLPVD

Lambert-St Louis

Sat 10/18

6:40 am-12:09 pm

1 stop4h 29m

Providence-TFGreen

Tue 10/21

5:03 pm-8:23 pm

1 stop4h 20m

$312

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Wed 10/22

6:40 pm-10:10 pm

Nonstop2h 30m

Boston Logan Intl

Sat 10/25

5:35 am-7:35 am

Nonstop3h 00m

$333

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Fri 10/31

5:55 pm-9:30 pm

Nonstop2h 35m

Boston Logan Intl

Sat 11/1

5:35 am-7:35 am

Nonstop3h 00m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $409.

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 $541. 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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to Rhode Island on Saturday is $834.

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 $430. Flights at noon are often more expensive with an average ticket price of $1,061.

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 $428 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 $369 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

1 airport
The fastest flight from St. Louis to Rhode Island takes 2h 30m
Direct flights go from St. Louis to Rhode Island every day.
There is 1 airport near Rhode Island: Boston Logan Intl (BOS)
Search flight deals

  • 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
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $283Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $300Free CancellationRating
7.9
7,964 reviews
Search Delta 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

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