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Cheap flights from St. Louis to Rhode Island from $68

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 1/26. 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
0 bags

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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
5:11 pm - 10:11 am
STL
-
BOS
16h 00m1 stop
Frontier Logo
6:00 am - 6:51 am
BOS
-
STL
25h 51m1 stop
$133Frontier
mié., ene. 7 - mar., ene. 13
Multiple Airlines Logo
5:11 pm - 10:11 am
STL
-
BOS
16h 00m1 stop
Multiple Airlines Logo
3:43 pm - 7:54 am
BOS
-
STL
17h 11m1 stop
$134Multiple Airlines
mié., ene. 7 - jue., ene. 15
Multiple Airlines Logo
5:11 pm - 10:01 am
STL
-
BOS
15h 50m1 stop
Multiple Airlines Logo
6:00 am - 6:51 am
BOS
-
STL
25h 51m1 stop
$142Multiple Airlines
mar., ene. 6 - mar., ene. 13
Multiple Airlines Logo
5:11 pm - 10:11 am
STL
-
BOS
16h 00m1 stop
Multiple Airlines Logo
3:43 pm - 10:33 pm
BOS
-
STL
7h 50m1 stop
$143Multiple Airlines
mié., ene. 7 - sáb., ene. 10
Frontier Logo
5:11 pm - 10:11 am
STL
-
BOS
16h 00m1 stop
Frontier Logo
6:00 am - 2:48 pm
BOS
-
STL
9h 48m1 stop
$150Frontier
mié., ene. 7 - vie., ene. 9
Multiple Airlines Logo
3:43 pm - 1:19 am
STL
-
BOS
8h 36m1 stop
Multiple Airlines Logo
3:43 pm - 7:54 am
BOS
-
STL
17h 11m1 stop
$151Multiple Airlines
vie., ene. 9 - jue., ene. 15
Frontier Logo
7:43 pm - 10:11 am
STL
-
BOS
13h 28m2 stops
Frontier Logo
6:00 am - 6:51 am
BOS
-
STL
25h 51m1 stop
$152Frontier
mié., ene. 7 - mar., ene. 13
Frontier Logo
7:43 pm - 10:11 am
STL
-
BOS
13h 28m2 stops
Frontier Logo
12:10 pm - 10:34 pm
BOS
-
STL
11h 24m1 stop
$153Frontier
mié., ene. 7 - jue., ene. 15
Multiple Airlines Logo
5:11 pm - 10:11 am
STL
-
BOS
16h 00m1 stop
Multiple Airlines Logo
3:43 pm - 10:34 pm
BOS
-
STL
7h 51m1 stop
$154Multiple Airlines
mié., ene. 7 - mié., ene. 14
Multiple Airlines Logo
5:11 pm - 10:01 am
STL
-
BOS
15h 50m1 stop
Multiple Airlines Logo
7:00 am - 8:05 am
BOS
-
STL
26h 05m1 stop
$155Multiple Airlines
mar., ene. 6 - dom., ene. 11

American Airlines flights from St. Louis to Rhode Island

Our best American Airlines deals on St. Louis to Rhode Island flight tickets
American Airlines
Dec 31
STL2:50 pmLambert-St Louis
2h 39m
BOS6:29 pmBoston Logan Intl
Jan 6
BOS12:55 pmBoston Logan Intl
9h 20m
1 stop
STL9:15 pmLambert-St Louis
$288
Find similar
American Airlines
Dec 24
STL12:50 pmLambert-St Louis
2h 39m
BOS4:29 pmBoston Logan Intl
Jan 1
BOS12:03 pmBoston Logan Intl
3h 17m
STL2:20 pmLambert-St Louis
$297
Find similar
American Airlines
Dec 24
STL12:50 pmLambert-St Louis
2h 39m
BOS4:29 pmBoston Logan Intl
Jan 1
BOS5:30 pmBoston Logan Intl
7h 14m
1 stop
STL11:44 pmLambert-St Louis
$307
Find similar

Frontier flights from St. Louis to Rhode Island

Our best Frontier deals on St. Louis to Rhode Island flight tickets
Frontier
Jan 7
STL5:11 pmLambert-St Louis
16h 00m
1 stop
BOS10:11 amBoston Logan Intl
Jan 13
BOS6:00 amBoston Logan Intl
25h 51m
1 stop
STL6:51 amLambert-St Louis
$133
Find similar
Frontier
Jan 7
STL5:11 pmLambert-St Louis
16h 00m
1 stop
BOS10:11 amBoston Logan Intl
Jan 9
BOS6:00 amBoston Logan Intl
9h 48m
1 stop
STL2:48 pmLambert-St Louis
$150
Find similar
Frontier
Jan 7
STL7:43 pmLambert-St Louis
13h 28m
2 stops
BOS10:11 amBoston Logan Intl
Jan 13
BOS6:00 amBoston Logan Intl
25h 51m
1 stop
STL6:51 amLambert-St Louis
$152
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 diciembre 17, 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

mié. 1/7

5:11 pm-10:11 am

1 stop16h 00m

Boston Logan Intl

mar. 1/13

6:00 am-6:51 am

1 stop25h 51m

$133

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mié. 1/7

5:11 pm-10:11 am

1 stop16h 00m

Boston Logan Intl

jue. 1/15

3:43 pm-7:54 am

1 stop17h 11m

$134

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mar. 1/6

5:11 pm-10:01 am

1 stop15h 50m

Boston Logan Intl

mar. 1/13

6:00 am-6:51 am

1 stop25h 51m

$142

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mié. 1/7

5:11 pm-10:11 am

1 stop16h 00m

Boston Logan Intl

sáb. 1/10

3:43 pm-10:33 pm

1 stop7h 50m

$143

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mié. 1/7

5:11 pm-10:11 am

1 stop16h 00m

Boston Logan Intl

vie. 1/9

6:00 am-2:48 pm

1 stop9h 48m

$150

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

vie. 1/9

3:43 pm-1:19 am

1 stop8h 36m

Boston Logan Intl

jue. 1/15

3:43 pm-7:54 am

1 stop17h 11m

$151

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mié. 1/7

7:43 pm-10:11 am

2 stops13h 28m

Boston Logan Intl

mar. 1/13

6:00 am-6:51 am

1 stop25h 51m

$152

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mié. 1/7

7:43 pm-10:11 am

2 stops13h 28m

Boston Logan Intl

jue. 1/15

12:10 pm-10:34 pm

1 stop11h 24m

$153

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mié. 1/7

5:11 pm-10:11 am

1 stop16h 00m

Boston Logan Intl

mié. 1/14

3:43 pm-10:34 pm

1 stop7h 51m

$154

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

mar. 1/6

5:11 pm-10:01 am

1 stop15h 50m

Boston Logan Intl

dom. 1/11

7:00 am-8:05 am

1 stop26h 05m

$155

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 Friday when prices can be found for as low as $546. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Rhode Island on Monday is $766.

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 $426. Flights at noon are often more expensive with an average ticket price of $1,036.

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 $433 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 $354 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 25m

Direct flights

Every day

Airports in Rhode Island

19 airports
The fastest flight from St. Louis to Rhode Island takes 2h 25m
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).
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
7.9
4,250 reviews
Search Southwest flights
DeltaPriceFrom $300Free CancellationRating
7.9
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $304Free CancellationRating
7.2
11,054 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

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vie. 1/16
vie. 1/23
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