St. Louis

$71+ Cheap flights from Rhode Island to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — STL
Nov 26 — Dec 31
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Find flight deals from Rhode Island to St. Louis

Cheapest flights from Rhode Island to St. Louis
Explore the most affordable flight options available from Rhode Island to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:43 amBOS - STL
2 stops25h 26mFrontier
Fri 11/74:56 pmSTL - BOS
1 stop16h 52mFrontier
Deal found 10/26$326
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 amBOS - STL
Nonstop3h 23mAmerican Airlines
Thu 11/279:53 amSTL - BOS
Nonstop2h 39mAmerican Airlines
Deal found 10/26$327
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:52 pmPVD - STL
1 stop4h 55mDelta
Tue 12/95:12 pmSTL - PVD
1 stop5h 22mDelta
Deal found 10/26$327
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:55 amBOS - STL
1 stop7h 06mMultiple Airlines
Mon 11/172:12 pmSTL - BOS
2 stops32h 47mMultiple Airlines
Deal found 10/25$328
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 amPVD - STL
1 stop8h 17mMultiple Airlines
Thu 11/137:02 pmSTL - PVD
2 stops27h 28mMultiple Airlines
Deal found 10/25$329
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:27 pmPVD - STL
1 stop5h 39mAmerican Airlines
Tue 12/95:15 amSTL - PVD
2 stops8h 32mAmerican Airlines
Deal found 10/25$332
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:43 amBOS - STL
1 stop23h 29mFrontier
Wed 11/127:45 pmSTL - BOS
2 stops35h 43mFrontier
Deal found 10/27$333
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:16 amBOS - STL
1 stop12h 41mMultiple Airlines
Fri 11/214:13 pmSTL - BOS
2 stops27h 36mMultiple Airlines
Deal found 10/26$335
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2212:18 pmPVD - STL
1 stop6h 32mAmerican Airlines
Wed 11/262:17 pmSTL - PVD
1 stop7h 29mAmerican Airlines
Deal found 10/26$337
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:47 amBOS - STL
2 stops12h 46mFrontier
Sun 12/2810:57 amSTL - BOS
1 stop13h 22mFrontier
Deal found 10/25$339
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:15 amPVD - STL
2 stops25h 52mMultiple Airlines
Thu 11/132:12 pmSTL - PVD
1 stop21h 43mMultiple Airlines
Deal found 10/25$339
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amPVD - STL
1 stop28h 40mMultiple Airlines
Thu 11/137:02 pmSTL - PVD
2 stops27h 28mMultiple Airlines
Deal found 10/25$340

Cheap flight deals from Rhode Island to St. Louis

Keep the following information in mind while searching for Rhode Island to St. Louis flight deals. Data was last updated October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$200
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$512
Provider with most accurate pricing for Boston Logan Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Lambert-St Louis flights.
From Rhode Island to Lambert-St Louis
One-way flight from Rhode Island to Lambert-St Louis
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rhode Island to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Rhode Island to St. Louis that are best for you.

Fly from

Rhode Island

Fly to

St. Louis

Route

Depart

Return

Price

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Thu 2/5

6:00 am-10:33 pm

1 stop17h 33m

Lambert-St Louis

Mon 2/9

5:11 pm-3:17 pm

1 stop21h 06m

$215

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Mon 2/2

6:00 am-10:33 pm

1 stop17h 33m

Lambert-St Louis

Mon 2/9

5:11 pm-1:30 pm

2 stops19h 19m

$291

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Tue 2/3

5:30 am-11:15 am

1 stop6h 45m

Lambert-St Louis

Wed 2/18

1:15 pm-8:50 pm

1 stop6h 35m

$299

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Mon 12/8

12:54 pm-5:10 pm

1 stop5h 16m

Lambert-St Louis

Tue 12/9

5:12 pm-11:34 pm

1 stop5h 22m

$327

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Tue 2/3

5:38 am-11:56 am

1 stop7h 18m

Lambert-St Louis

Tue 2/10

5:04 pm-11:45 pm

1 stop5h 41m

$327

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Thu 2/5

6:28 pm-11:39 pm

1 stop6h 11m

Lambert-St Louis

Wed 2/11

5:04 pm-11:45 pm

1 stop5h 41m

$327

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Sat 12/6

6:00 am-12:40 pm

1 stop7h 40m

Lambert-St Louis

Mon 12/8

11:40 am-5:52 pm

1 stop5h 12m

$332

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Wed 2/4

6:28 pm-11:39 pm

1 stop6h 11m

Lambert-St Louis

Sat 2/7

7:10 am-1:39 pm

1 stop5h 29m

$332

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Thu 2/5

5:38 am-11:06 am

1 stop6h 28m

Lambert-St Louis

Sat 2/7

5:33 pm-11:45 pm

1 stop5h 12m

$332

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 11/13

6:16 am-5:57 pm

1 stop12h 41m

Lambert-St Louis

Fri 11/21

4:13 pm-8:49 pm

2 stops27h 36m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 33 results
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Best time to book a flight from Rhode Island to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rhode Island with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rhode Island to St. Louis

What is the cheapest month to book a flight from Rhode Island to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Rhode Island to St. Louis (average of $274). Flying from Rhode Island to St. Louis in February is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RI to STL?

Find hourly flight availability from Rhode Island to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Rhode Island to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Rhode Island to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Rhode Island?

    For a flight from Rhode Island to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from Rhode Island to St. Louis?

    Airlines like Southwest, Delta, and American Airlines fly from Rhode Island to St. Louis in about 4h 55m. The time it takes to get you to your destination can typically vary by up to 1h 50m. There are 1043 mi between Rhode Island and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Rhode Island to St. Louis one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $105. However, be on the lookout for offers from American Airlines and Frontier, as they are both options that can get you from Rhode Island to St. Louis for a low price.

  • Can I find deals for flights from Rhode Island to St. Louis that include hotel bookings?

    Yes. In addition to deals on Rhode Island to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rhode Island to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rhode Island to St. Louis.

  • Can I find deals for business class flights from Rhode Island to St. Louis?

    Yes. Cheapflights offers flight deals from Rhode Island to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rhode Island to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Rhode Island to St. Louis (average of $274). Flying from Rhode Island to St. Louis in February is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Rhode Island to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Rhode Island to St. Louis

Discover the top 3 airlines that operate flights from Rhode Island to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$284Average$369FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$296Average$407FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$300Average$396FlexibilityNo cancel feeOn-time71%

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