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St. Louis

$83+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$243
(American Airlines)

One-way from

$83
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$436
From Rhode Island to Lambert-St Louis
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One-way flight from Rhode Island to Lambert-St Louis
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Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 10/287:00 amPVD - STL
1 stop10h 22mAmerican Airlines
Thu 10/301:22 pmSTL - PVD
1 stop8h 16mAmerican Airlines
Deal found 6/11$243
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/15:40 amPVD - STL
1 stop4h 57mDelta
Fri 7/45:55 pmSTL - PVD
1 stop4h 14mDelta
Deal found 6/11$317
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:58 amBOS - STL
3 stops25h 31mSpirit Airlines
Tue 7/155:26 pmSTL - BOS
1 stop29h 22mSpirit Airlines
Deal found 6/11$320
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/72:26 pmBOS - STL
3 stops29h 15mMultiple Airlines
Wed 7/911:24 amSTL - BOS
2 stops23h 07mMultiple Airlines
Deal found 6/10$321
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/306:00 amBOS - STL
1 stop6h 34mDelta
Mon 8/46:04 pmSTL - BOS
1 stop13h 56mDelta
Deal found 6/10$324
This Sun Country Air deal was found by Cheapflights users on 6/12. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1411:38 amBOS - STL
1 stop24h 52mSun Country Air
Sun 8/178:00 amSTL - BOS
1 stop25h 37mSun Country Air
Deal found 6/12$325
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/85:25 amBOS - STL
1 stop7h 45mSouthwest
Tue 7/152:50 pmSTL - BOS
Nonstop2h 35mSouthwest
Deal found 6/10$327
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/46:59 amBOS - STL
1 stop10h 29mAmerican Airlines
Tue 7/86:25 pmSTL - BOS
Nonstop2h 42mAmerican Airlines
Deal found 6/11$332
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/19:01 amBOS - STL
2 stops15h 52mFrontier
Thu 7/108:44 pmSTL - BOS
1 stop13h 13mFrontier
Deal found 6/10$337
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:40 pmPVD - STL
2 stops6h 55mSouthwest
Sat 9/207:20 amSTL - PVD
1 stop5h 05mSouthwest
Deal found 6/10$342
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/158:15 amPVD - STL
1 stop27h 14mMultiple Airlines
Thu 7/1710:47 amSTL - PVD
2 stops22h 37mMultiple Airlines
Deal found 6/10$400
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:00 amBOS - STL
1 stop8h 44mUnited Airlines
Sun 10/1912:25 pmSTL - BOS
1 stop20h 31mUnited Airlines
Deal found 6/10$405

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 June 12, 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

Tue 10/28

7:00 am-4:22 pm

1 stop10h 22m

Lambert-St Louis

Thu 10/30

1:22 pm-10:38 pm

1 stop8h 16m

$243

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Mon 6/30

6:54 pm-11:36 pm

1 stop5h 42m

Lambert-St Louis

Tue 7/1

3:42 pm-11:59 pm

1 stop7h 17m

$317

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 7/8

9:58 am-10:29 am

3 stops25h 31m

Lambert-St Louis

Tue 7/15

5:26 pm-11:48 pm

1 stop29h 22m

$320

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Mon 7/7

2:26 pm-6:41 pm

3 stops29h 15m

Lambert-St Louis

Wed 7/9

11:24 am-11:31 am

2 stops23h 07m

$321

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 7/30

8:05 am-12:34 pm

1 stop5h 29m

Lambert-St Louis

Tue 8/5

10:46 am-10:42 pm

1 stop10h 56m

$324

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 8/14

11:38 am-11:30 am

1 stop24h 52m

Lambert-St Louis

Sun 8/17

8:00 am-10:37 am

1 stop25h 37m

$325

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 7/8

5:25 am-12:10 pm

1 stop7h 45m

Lambert-St Louis

Tue 7/15

2:50 pm-6:25 pm

Nonstop2h 35m

$327

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Fri 7/4

6:59 am-4:28 pm

1 stop10h 29m

Lambert-St Louis

Tue 7/8

6:25 pm-10:07 pm

Nonstop2h 42m

$332

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 7/1

9:01 am-11:53 pm

2 stops15h 52m

Lambert-St Louis

Thu 7/10

8:44 pm-10:57 am

1 stop13h 13m

$337

ProvidenceSt. Louis

PVD - STL

PVDSTL

Providence-TFGreen

Fri 9/12

4:40 pm-10:35 pm

2 stops6h 55m

Lambert-St Louis

Sat 9/20

7:20 am-1:25 pm

1 stop5h 05m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 26 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 $311). Flying from Rhode Island to St. Louis in March 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rhode Island to St. Louis as you normally would.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Rhode Island to St. Louis to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $83. However, be on the lookout for offers from American Airlines and Southwest, 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 $311). Flying from Rhode Island to St. Louis in March 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 Rhode Island?

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

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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.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$284Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$291Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$296Average$386FlexibilityNo cancel feeOn-time63%

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