How many flights depart from Rhode Island to St. Louis on average per week?

As of December 2025, 25 flights take off from Rhode Island and land in St. Louis each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

What is the cheapest airline that flies from Rhode Island to Lambert-St Louis?

Frontier, United Airlines, and Delta are the most popular carriers operating from Rhode Island to Lambert-St Louis

What airlines fly to St. Louis?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to St. Louis from Rhode Island according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Rhode Island to Lambert-St Louis Airport are refreshed on a daily basis.

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

The number of operators available for flights from Rhode Island to Lambert-St Louis Airport is 6 as of December 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$57 Cheap Flights from Rhode Island to St. Louis in 2025/26

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Find the cheapest flights from Rhode Island to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 am - 11:33 pm

PVD

STL

16h 18m1 stop

5:42 pm - 12:57 pm

STL

PVD

18h 15m1 stop

$199Multiple Airlines

Tue, Jan 27 - Wed, Jan 28

8:15 am - 11:33 pm

PVD

STL

16h 18m1 stop

8:22 pm - 12:57 pm

STL

PVD

15h 35m2 stops

$220Multiple Airlines

Tue, Jan 27 - Wed, Jan 28

6:00 am - 8:05 am

PVD

STL

27h 05m1 stop

8:32 pm - 8:48 pm

STL

PVD

23h 16m2 stops

$262Multiple Airlines

Sun, Jan 11 - Sat, Jan 17

5:30 am - 11:05 am

PVD

STL

6h 35m1 stop

7:10 am - 1:53 pm

STL

PVD

5h 43m1 stop

$308Delta

Tue, Jan 13 - Sat, Jan 17

2:48 pm - 11:59 pm

PVD

STL

10h 11m2 stops

8:05 am - 3:25 pm

STL

PVD

6h 20m1 stop

$313United Airlines

Tue, Jan 13 - Sat, Jan 17

6:00 am - 2:50 pm

PVD

STL

9h 50m2 stops

7:00 am - 4:23 pm

STL

PVD

8h 23m2 stops

$318American Airlines

Tue, Jan 13 - Sat, Jan 17

4:55 pm - 8:55 pm

BOS

STL

5h 00m1 stop

8:45 am - 12:20 pm

STL

BOS

2h 35mnonstop

$334Southwest

Sat, Jan 10 - Sat, Jan 17

6:30 am - 9:03 am

BOS

STL

3h 33mnonstop

11:05 am - 8:45 pm

STL

BOS

8h 40m1 stop

$337American Airlines

Thu, Jan 15 - Sat, Jan 17

5:20 am - 9:32 am

PVD

STL

5h 12m1 stop

5:00 pm - 11:53 pm

STL

PVD

5h 53m1 stop

$344Delta

Thu, Feb 12 - Sat, Feb 14

5:50 am - 12:45 pm

BOS

STL

7h 55m2 stops

2:35 pm - 10:05 pm

STL

BOS

6h 30m1 stop

$349Southwest

Wed, Jan 14 - Sun, Jan 18

Southwest flights from Rhode Island to St. Louis

Our best Southwest deals on Rhode Island to St. Louis flight tickets

Southwest

Jan 10

BOS4:55 pmBoston Logan Intl

5h 00m

1 stop

STL8:55 pmLambert-St Louis

Jan 17

STL8:45 amLambert-St Louis

2h 35m

BOS12:20 pmBoston Logan Intl

$334

Find similar

Southwest

Jan 14

BOS5:50 amBoston Logan Intl

7h 55m

2 stops

STL12:45 pmLambert-St Louis

Jan 18

STL2:35 pmLambert-St Louis

6h 30m

1 stop

BOS10:05 pmBoston Logan Intl

$349

Find similar

Southwest

Jan 7

BOS6:25 amBoston Logan Intl

3h 20m

STL8:45 amLambert-St Louis

Jan 10

STL8:45 amLambert-St Louis

2h 35m

BOS12:20 pmBoston Logan Intl

$351

Find similar

United Airlines flights from Rhode Island to St. Louis

Our best United Airlines deals on Rhode Island to St. Louis flight tickets

United Airlines

Jan 13

PVD2:48 pmProvidence-TFGreen

10h 11m

2 stops

STL11:59 pmLambert-St Louis

Jan 17

STL8:05 amLambert-St Louis

6h 20m

1 stop

PVD3:25 pmProvidence-TFGreen

$313

Find similar

United Airlines

Jan 27

PVD2:48 pmProvidence-TFGreen

10h 11m

2 stops

STL11:59 pmLambert-St Louis

Jan 28

STL9:57 amLambert-St Louis

8h 19m

2 stops

PVD7:16 pmProvidence-TFGreen

$345

Find similar

United Airlines

Jan 7

BOS6:00 amBoston Logan Intl

9h 30m

1 stop

STL2:30 pmLambert-St Louis

Jan 14

STL11:22 amLambert-St Louis

4h 52m

1 stop

BOS5:14 pmBoston Logan Intl

$389

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Tue 1/27

8:15 am-11:33 pm

1 stop16h 18m

Lambert-St Louis

Wed 1/28

5:42 pm-12:57 pm

1 stop18h 15m

$199

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Tue 1/27

8:15 am-11:33 pm

1 stop16h 18m

Lambert-St Louis

Wed 1/28

8:22 pm-12:57 pm

2 stops15h 35m

$220

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Sun 1/11

6:00 am-8:05 am

1 stop27h 05m

Lambert-St Louis

Sat 1/17

8:32 pm-8:48 pm

2 stops23h 16m

$262

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Tue 1/13

5:30 am-11:05 am

1 stop6h 35m

Lambert-St Louis

Sat 1/17

7:10 am-1:53 pm

1 stop5h 43m

$308

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Tue 1/13

2:48 pm-11:59 pm

2 stops10h 11m

Lambert-St Louis

Sat 1/17

8:05 am-3:25 pm

1 stop6h 20m

$313

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Tue 1/13

6:00 am-2:50 pm

2 stops9h 50m

Lambert-St Louis

Sat 1/17

7:00 am-4:23 pm

2 stops8h 23m

$318

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Sat 1/10

4:55 pm-8:55 pm

1 stop5h 00m

Lambert-St Louis

Sat 1/17

8:45 am-12:20 pm

Nonstop2h 35m

$334

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 1/15

6:30 am-9:03 am

Nonstop3h 33m

Lambert-St Louis

Sat 1/17

11:05 am-8:45 pm

1 stop8h 40m

$337

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Thu 2/12

5:20 am-9:32 am

1 stop5h 12m

Lambert-St Louis

Sat 2/14

5:00 pm-11:53 pm

1 stop5h 53m

$344

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 1/14

5:50 am-12:45 pm

2 stops7h 55m

Lambert-St Louis

Sun 1/18

2:35 pm-10:05 pm

1 stop6h 30m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from Rhode Island to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $381. The month of August is another great option to travel to St. Louis, with average flight prices from Rhode Island averaging around $382.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $421. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $499. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Rhode Island in the evening is the least expensive time of day to depart. momondo users have found prices as low as $433 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $457 per ticket.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $443 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Rhode Island for as low as $382 on momondo.

Cheap Rhode Island to St. Louis flight deals and tips

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

Fastest flight time	2h 50m
Direct flights	Every day
Airports in St. Louis	1 airport

The fastest flight from Rhode Island to St. Louis takes 2h 50m

Direct flights go from Rhode Island to St. Louis every day.

There is 1 airport in St. Louis. From Rhode Island there are direct flights to Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Rhode Island to Lambert-St Louis Airport?
Prices for flights from Rhode Island to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Rhode Island to Lambert-St Louis Airport?
The number of operators available for flights from Rhode Island to Lambert-St Louis Airport is 6 as of December 2025.
How old do you have to be to fly from Rhode Island to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Rhode Island to St. Louis

Compare and see reviews for airlines that fly from Rhode Island to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $284	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Southwest	PriceFrom $296	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights
American Airlines	PriceFrom $299	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Farmington

Festus

Clayton

Glencoe

Edwardsville

Eureka

Litchfield

Shrewsbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rhode Island to St. Louis for you.

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

Flights from Rhode Island to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

Price alerts on flights to St. Louis from Rhode Island are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.