$100+ Cheap flights from St. Louis (STL) to Rhode Island
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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PVD
Apr 17 — Apr 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Rhode Island with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Rhode Island
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Rhode IslandExplore the most affordable flight options available from St. Louis to Rhode Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
Explore the most affordable flight options available from St. Louis to Rhode Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:29 pm
STL
- BOS
1 stop5h 57m
Frontier
Sun 4/125:30 am
BOS
- STL
1 stop6h 08m
Frontier
Deal found 3/17![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 3/16. 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.
Fri 5/18:23 pm
STL
- BOS
1 stop11h 53m
Frontier
Tue 5/59:12 am
BOS
- STL
1 stop9h 24m
Frontier
Deal found 3/16![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 3/17. 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.
Sat 5/305:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Tue 6/96:00 am
BOS
- STL
1 stop8h 22m
Frontier
Deal found 3/17![Frontier logo]()
$242
This Priceline deal was found by Cheapflights users on 3/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Thu 5/149:18 am
BOS
- STL
1 stop8h 36m
Frontier
Deal found 3/17![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Frontier
Wed 5/68:44 am
BOS
- STL
2 stops33h 10m
Frontier
Deal found 3/16![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Multiple Airlines
Wed 5/66:30 am
BOS
- STL
2 stops35h 24m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$265
This Frontier deal was found by Cheapflights users on 3/16. 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.
Fri 5/18:23 pm
STL
- BOS
1 stop11h 53m
Frontier
Mon 5/411:16 am
BOS
- STL
1 stop13h 03m
Frontier
Deal found 3/16![Frontier logo]()
$266
This Priceline deal was found by Cheapflights users on 3/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:29 pm
STL
- BOS
1 stop6h 00m
Frontier
Sun 4/55:30 am
BOS
- STL
1 stop6h 00m
Frontier
Deal found 3/16![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/2311:25 am
STL
- BOS
1 stop13h 06m
Frontier
Sun 4/2612:28 pm
BOS
- STL
1 stop19h 22m
Frontier
Deal found 3/16![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/711:21 am
STL
- BOS
2 stops25h 34m
Multiple Airlines
Thu 4/95:30 am
BOS
- STL
1 stop13h 04m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Multiple Airlines
Tue 5/126:30 am
BOS
- STL
2 stops27h 25m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Frontier
Thu 5/79:18 am
BOS
- STL
1 stop8h 36m
Frontier
Deal found 3/16![Frontier logo]()
$281
Best flights from St. Louis to Rhode IslandDiscover carefully curated flight deals from St. Louis to Rhode Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
Discover carefully curated flight deals from St. Louis to Rhode Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Sat 5/27:45 am
STL
- PVD
2 stops10h 11m
United Airlines
Tue 5/54:28 pm
PVD
- STL
1 stop5h 45m
United Airlines
Deal found 3/17![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 3/17. 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.
Thu 4/910:15 am
STL
- BOS
Nonstop2h 35m
Southwest
Mon 4/134:45 pm
BOS
- STL
1 stop7h 40m
Southwest
Deal found 3/17![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 3/16. 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.
Sat 5/236:04 pm
STL
- PVD
1 stop4h 24m
Delta
Tue 5/266:00 am
PVD
- STL
1 stop7h 22m
Delta
Deal found 3/16![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 3/17. 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.
Thu 4/305:40 am
STL
- PVD
1 stop4h 10m
Southwest
Sat 5/27:55 am
PVD
- STL
1 stop6h 30m
Southwest
Deal found 3/17![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/77:45 am
STL
- BOS
1 stop8h 41m
United Airlines
Wed 4/812:30 pm
BOS
- STL
1 stop10h 22m
United Airlines
Deal found 3/17![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 3/15. 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.
Sat 5/236:04 pm
STL
- PVD
1 stop4h 24m
Delta
Wed 5/275:10 pm
PVD
- STL
1 stop5h 19m
Delta
Deal found 3/15![Delta logo]()
$425
This Southwest deal was found by Cheapflights users on 3/17. 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.
Sat 5/26:20 am
STL
- PVD
2 stops8h 35m
Southwest
Tue 5/512:45 pm
PVD
- STL
2 stops7h 30m
Southwest
Deal found 3/17![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/711:15 am
STL
- BOS
2 stops7h 49m
United Airlines
Tue 4/144:28 pm
BOS
- STL
1 stop5h 45m
United Airlines
Deal found 3/17![United Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 3/13. 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 6/175:30 pm
STL
- PVD
1 stop5h 11m
Delta
Tue 6/238:30 am
PVD
- STL
1 stop5h 24m
Delta
Deal found 3/13![Delta logo]()
$447
This Southwest deal was found by Cheapflights users on 3/13. 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 6/97:10 pm
STL
- BOS
Nonstop2h 30m
Southwest
Fri 6/126:50 pm
BOS
- STL
Nonstop3h 05m
Southwest
Deal found 3/13![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/76:30 am
STL
- PVD
1 stop7h 48m
United Airlines
Wed 4/84:35 pm
PVD
- STL
1 stop6h 17m
United Airlines
Deal found 3/16![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 3/16. 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.
Sat 5/232:05 pm
STL
- PVD
2 stops7h 50m
Southwest
Tue 5/2612:45 pm
PVD
- STL
1 stop6h 10m
Southwest
Deal found 3/16![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 3/16. 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 5/227:45 pm
STL
- PVD
1 stop11h 10m
Southwest
Wed 5/272:25 pm
PVD
- STL
2 stops8h 35m
Southwest
Deal found 3/16![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 3/16. 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.
Wed 4/1510:25 am
STL
- PVD
2 stops7h 35m
Southwest
Mon 4/204:35 pm
PVD
- STL
2 stops7h 10m
Southwest
Deal found 3/16![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 3/17. 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.
Thu 4/165:40 am
STL
- BOS
1 stop4h 15m
Southwest
Mon 4/205:50 pm
BOS
- STL
1 stop7h 25m
Southwest
Deal found 3/17![Southwest logo]()
$459
This Southwest deal was found by Cheapflights users on 3/13. 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.
Thu 5/147:40 pm
STL
- BOS
Nonstop2h 30m
Southwest
Sun 5/175:30 am
BOS
- STL
1 stop6h 35m
Southwest
Deal found 3/13![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 3/16. 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 5/84:40 pm
STL
- BOS
1 stop4h 40m
Southwest
Sun 5/105:40 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 3/16![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 3/13. 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.
Thu 7/94:35 pm
STL
- BOS
2 stops6h 30m
Southwest
Mon 7/135:35 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 3/13![Southwest logo]()
$476
Last-minute flights from St. Louis to Rhode IslandDiscover last-minute flight deals from St. Louis to Rhode Island. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rhode Island. Data last updated March 18, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 3/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:29 pm
STL
- BOS
1 stop6h 00m
Frontier
Sun 4/55:30 am
BOS
- STL
1 stop6h 00m
Frontier
Deal found 3/16![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/711:21 am
STL
- BOS
2 stops25h 34m
Multiple Airlines
Thu 4/95:30 am
BOS
- STL
1 stop13h 04m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/711:21 am
STL
- BOS
1 stop13h 05m
Frontier
Thu 4/95:30 am
BOS
- STL
1 stop13h 04m
Frontier
Deal found 3/17![Frontier logo]()
$292
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:29 pm
STL
- BOS
1 stop5h 57m
Frontier
Sun 4/125:30 am
BOS
- STL
1 stop6h 08m
Frontier
Deal found 3/17![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/158:23 pm
STL
- BOS
1 stop14h 02m
Multiple Airlines
Mon 4/2010:26 pm
BOS
- STL
2 stops33h 24m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/2311:25 am
STL
- BOS
1 stop13h 06m
Frontier
Sun 4/2612:28 pm
BOS
- STL
1 stop19h 22m
Frontier
Deal found 3/16![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Frontier
Wed 5/68:44 am
BOS
- STL
2 stops33h 10m
Frontier
Deal found 3/16![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Multiple Airlines
Wed 5/66:30 am
BOS
- STL
2 stops35h 24m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Multiple Airlines
Tue 5/126:30 am
BOS
- STL
2 stops27h 25m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/298:23 pm
STL
- BOS
1 stop28h 08m
Frontier
Sun 5/106:00 am
BOS
- STL
1 stop27h 55m
Frontier
Deal found 3/16![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/3011:21 am
STL
- BOS
1 stop13h 10m
Frontier
Wed 5/68:44 am
BOS
- STL
2 stops33h 10m
Frontier
Deal found 3/16![Frontier logo]()
$283
This Southwest deal was found by Cheapflights users on 3/17. 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.
Thu 4/305:40 am
STL
- PVD
1 stop4h 10m
Southwest
Sat 5/27:55 am
PVD
- STL
1 stop6h 30m
Southwest
Deal found 3/17![Southwest logo]()
$364
One-way flights from St. Louis to Rhode IslandSearch for one-way flight options from St. Louis to Rhode Island. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
Search for one-way flight options from St. Louis to Rhode Island. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Frontier deal was found by Cheapflights users on 3/17. 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.
Wed 5/135:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 3/17![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:54 pm
STL
- BOS
1 stop16h 37m
Frontier
Deal found 3/13![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 3/14. 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.
Mon 5/48:23 pm
STL
- BOS
1 stop10h 26m
Frontier
Deal found 3/14![Frontier logo]()
$106
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:59 pm
STL
- BOS
1 stop16h 22m
Frontier
Deal found 3/15![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Wed 4/158:23 pm
STL
- BOS
2 stops14h 10m
Frontier
Deal found 3/17![Frontier logo]()
$118
This Priceline deal was found by Cheapflights users on 3/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 3/13![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/208:23 pm
STL
- BOS
2 stops26h 02m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 5/126:33 pm
STL
- BOS
2 stops27h 49m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/115:27 pm
STL
- BOS
2 stops28h 55m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/96:29 pm
STL
- BOS
1 stop16h 16m
Frontier
Deal found 3/13![Frontier logo]()
$141
This American Airlines deal was found by Cheapflights users on 3/15. 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 5/196:29 am
STL
- PVD
1 stop4h 30m
American Airlines
Deal found 3/15![American Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 3/17. 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.
Thu 4/235:40 am
STL
- PVD
1 stop4h 10m
Southwest
Deal found 3/17![Southwest logo]()
$186
Find flight deals from St. Louis to Rhode Island
Keep the following information in mind while searching for St. Louis to Rhode Island flight deals. Data was last updated March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Expedia) |
One-way from | $100 (Frontier) |
Popular in | February |
Cheapest in | September |
Average price | $472 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 18, 2026.
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
Cheapest round-trip
St. LouisProvidence
STL - PVD
STLPVD
Lambert-St Louis
Sat 5/2
7:45 am-6:56 pm
2 stops10h 11m
Providence-TFGreen
Tue 5/5
4:28 pm-9:13 pm
1 stop5h 45m
$359
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Thu 4/9
10:15 am-1:50 pm
Nonstop2h 35m
Boston Logan Intl
Mon 4/13
4:45 pm-11:25 pm
1 stop7h 40m
$363
St. LouisProvidence
STL - PVD
STLPVD
Lambert-St Louis
Thu 4/30
5:40 am-10:50 am
1 stop4h 10m
Providence-TFGreen
Sat 5/2
7:55 am-1:25 pm
1 stop6h 30m
$364
St. LouisProvidence
STL - PVD
STLPVD
Lambert-St Louis
Sat 5/2
6:20 am-3:55 pm
2 stops8h 35m
Providence-TFGreen
Tue 5/5
12:45 pm-7:15 pm
2 stops7h 30m
$398
St. LouisProvidence
STL - PVD
STLPVD
Lambert-St Louis
Sat 5/23
6:04 pm-11:28 pm
1 stop4h 24m
Providence-TFGreen
Tue 5/26
6:00 am-12:22 pm
1 stop7h 22m
$405
Quickest round-trip
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Tue 6/9
7:10 pm-10:40 pm
Nonstop2h 30m
Boston Logan Intl
Fri 6/12
6:50 pm-8:55 pm
Nonstop3h 05m
$407
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Tue 4/7
7:45 am-5:26 pm
1 stop8h 41m
Boston Logan Intl
Wed 4/8
12:30 pm-9:52 pm
1 stop10h 22m
$413
St. LouisProvidence
STL - PVD
STLPVD
Lambert-St Louis
Sat 5/23
2:05 pm-10:55 pm
2 stops7h 50m
Providence-TFGreen
Tue 5/26
12:45 pm-5:55 pm
1 stop6h 10m
$414
St. LouisProvidence
STL - PVD
STLPVD
Lambert-St Louis
Fri 5/22
7:45 pm-7:55 am
1 stop11h 10m
Providence-TFGreen
Wed 5/27
2:25 pm-10:00 pm
2 stops8h 35m
$420
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Tue 4/7
11:15 am-8:04 pm
2 stops7h 49m
Boston Logan Intl
Tue 4/14
4:28 pm-9:13 pm
1 stop5h 45m
$422
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Rhode Island
Have a flexible travel schedule? Discover the best time to fly to Rhode Island from St. Louis with our price prediction graph.
STL-BOS
STL-PVD
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 St. Louis to Rhode Island
STL-USRI
STL-BOS
STL-PVD
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Rhode Island
Get insights into the airlines that provide service to Rhode Island. 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 Rhode Island. Reviews last updated March 18, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from St. Louis to Rhode Island by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Rhode Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for St. Louis to Rhode Island
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Rhode Island by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Rhode Island by cabin class
Find flights from St. Louis to Rhode Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Rhode Island flights
Browse other St. Louis and Rhode Island flight options. Last updated on March 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Rhode Island flights
Consider these flights traveling from St. Louis to Rhode Island.
Top 3 airlines flying from St. Louis to Rhode Island
Discover the top 3 airlines that operate flights from St. Louis to Rhode Island. 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$425 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$300 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$306 | Average$386 | FlexibilityNo cancel fee | On-time71% |