$300+ Cheap flights from St. Louis (STL) to Rome (ROM)
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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ROM
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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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
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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 Rome
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Cheapest flights from St. Louis to RomeExplore the most affordable flight options available from St. Louis to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from St. Louis to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This KAYAK deal was found by Cheapflights users on 7/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Wed 8/267:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$453
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Fri 8/217:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$502
This KAYAK deal was found by Cheapflights users on 7/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Fri 8/287:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$508
This Ovago deal was found by Cheapflights users on 7/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Thu 8/207:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$509
This KAYAK deal was found by Cheapflights users on 7/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Sun 8/237:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$613
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Thu 8/137:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$655
This KAYAK deal was found by Cheapflights users on 7/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Mon 8/247:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$661
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Thu 8/137:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$672
This Mytrip deal was found by Cheapflights users on 7/20. 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 8/3112:10 pm
STL
- CIA
3 stops26h 30m
Multiple Airlines
Sat 9/129:50 pm
CIA
- STL
2 stops23h 10m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,181
This Mytrip deal was found by Cheapflights users on 7/21. 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 8/182:40 pm
STL
- CIA
2 stops19h 00m
Multiple Airlines
Tue 8/256:00 am
CIA
- STL
3 stops45h 24m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,231
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Wed 8/1912:10 pm
STL
- CIA
3 stops25h 10m
Multiple Airlines
Wed 8/269:40 pm
CIA
- STL
2 stops29h 44m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,269
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Wed 9/93:30 pm
STL
- CIA
2 stops17h 40m
Multiple Airlines
Wed 9/239:40 pm
CIA
- STL
2 stops23h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,320
Best flights from St. Louis to RomeDiscover carefully curated flight deals from St. Louis to Rome that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from St. Louis to Rome that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/1912:10 pm
STL
- FCO
1 stop14h 05m
United Airlines
Wed 8/2611:30 am
FCO
- STL
2 stops31h 32m
United Airlines
Deal found 7/20![United Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 7/24. 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 10/136:00 pm
STL
- FCO
2 stops13h 25m
Delta
Thu 10/226:30 am
FCO
- STL
2 stops15h 15m
Delta
Deal found 7/24![Delta logo]()
$910
This Mytrip deal was found by Cheapflights users on 7/20. 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 8/3112:10 pm
STL
- CIA
3 stops26h 30m
Multiple Airlines
Sat 9/129:50 pm
CIA
- STL
3 stops29h 30m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,205
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 8/317:00 am
STL
- FCO
1 stop17h 35m
United Airlines
Fri 9/1111:30 am
FCO
- STL
2 stops31h 33m
United Airlines
Deal found 7/21![United Airlines logo]()
$887
This Scandinavian Airlines deal was found by Cheapflights users on 7/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:44 pm
STL
- FCO
3 stops20h 36m
Scandinavian Airlines
Sun 9/209:30 am
FCO
- STL
2 stops21h 12m
Scandinavian Airlines
Deal found 7/23![Scandinavian Airlines logo]()
$1,840
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/1112:10 pm
STL
- FCO
1 stop14h 05m
United Airlines
Fri 8/2111:30 am
FCO
- STL
2 stops38h 41m
United Airlines
Deal found 7/23![United Airlines logo]()
$903
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 10/86:00 pm
STL
- FCO
2 stops13h 25m
Delta
Fri 10/1610:35 am
FCO
- STL
2 stops17h 06m
Delta
Deal found 7/19![Delta logo]()
$1,051
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 9/218:40 am
STL
- FCO
1 stop16h 35m
United Airlines
Tue 10/279:45 am
FCO
- STL
1 stop19h 24m
United Airlines
Deal found 7/23![United Airlines logo]()
$983
This Mytrip deal was found by Cheapflights users on 7/21. 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 8/182:40 pm
STL
- CIA
2 stops19h 00m
Multiple Airlines
Tue 8/256:00 am
CIA
- STL
3 stops45h 24m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,231
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/2710:53 am
STL
- FCO
1 stop14h 02m
United Airlines
Sat 9/52:20 pm
FCO
- STL
2 stops31h 37m
United Airlines
Deal found 7/22![United Airlines logo]()
$997
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Wed 8/1912:10 pm
STL
- CIA
3 stops25h 10m
Multiple Airlines
Wed 8/269:40 pm
CIA
- STL
2 stops29h 44m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,269
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Wed 9/93:30 pm
STL
- CIA
2 stops17h 40m
Multiple Airlines
Wed 9/239:40 pm
CIA
- STL
2 stops23h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,320
This Mytrip deal was found by Cheapflights users on 7/23. 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 8/3112:10 pm
STL
- CIA
3 stops25h 10m
Multiple Airlines
Sun 9/138:25 am
CIA
- STL
2 stops18h 55m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,424
This Mytrip deal was found by Cheapflights users on 7/22. 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.
Wed 7/293:30 pm
STL
- CIA
2 stops21h 20m
Multiple Airlines
Tue 10/206:15 am
CIA
- STL
2 stops20h 45m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,427
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/17:05 pm
STL
- FCO
1 stop29h 50m
United Airlines
Fri 8/712:25 pm
FCO
- STL
1 stop32h 39m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,524
This Mytrip deal was found by Cheapflights users on 7/19. 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.
Sun 8/212:10 pm
STL
- CIA
3 stops25h 45m
Multiple Airlines
Wed 8/58:30 am
CIA
- STL
2 stops18h 54m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,433
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:50 pm
STL
- FCO
2 stops16h 55m
Multiple Airlines
Wed 10/2812:15 pm
FCO
- STL
3 stops28h 45m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,542
This Mytrip deal was found by Cheapflights users on 7/22. 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 8/318:55 am
STL
- CIA
3 stops28h 35m
Multiple Airlines
Wed 9/238:45 pm
CIA
- STL
3 stops30h 35m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,606
This Mytrip deal was found by Cheapflights users on 7/24. 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.
Sun 8/98:55 am
STL
- CIA
3 stops29h 00m
Multiple Airlines
Sat 8/156:15 am
CIA
- STL
3 stops21h 09m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,723
Last-minute flights from St. Louis to RomeDiscover last-minute flight deals from St. Louis to Rome. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rome. Data last updated July 24, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Thu 8/137:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$672
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Thu 8/137:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$655
This KAYAK deal was found by Cheapflights users on 7/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Mon 8/247:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$661
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Fri 8/217:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$502
This Ovago deal was found by Cheapflights users on 7/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Thu 8/207:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$509
This KAYAK deal was found by Cheapflights users on 7/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Sun 8/237:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$613
This Mytrip deal was found by Cheapflights users on 7/21. 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 8/182:40 pm
STL
- CIA
2 stops19h 00m
Multiple Airlines
Tue 8/256:00 am
CIA
- STL
2 stops21h 24m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,231
This KAYAK deal was found by Cheapflights users on 7/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Wed 8/267:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$453
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Wed 8/1912:10 pm
STL
- CIA
3 stops25h 10m
Multiple Airlines
Wed 8/269:40 pm
CIA
- STL
2 stops29h 44m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,269
This KAYAK deal was found by Cheapflights users on 7/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Fri 8/287:30 am
FCO
- STL
2 stops19h 54m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$508
This Mytrip deal was found by Cheapflights users on 7/20. 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 8/3112:10 pm
STL
- CIA
3 stops26h 30m
Multiple Airlines
Sat 9/129:50 pm
CIA
- STL
2 stops23h 10m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,181
This Mytrip deal was found by Cheapflights users on 7/23. 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 8/3112:10 pm
STL
- CIA
3 stops25h 10m
Multiple Airlines
Sun 9/138:25 am
CIA
- STL
2 stops18h 55m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,424
One-way flights from St. Louis to RomeSearch for one-way flight options from St. Louis to Rome. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from St. Louis to Rome. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This KAYAK deal was found by Cheapflights users on 7/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/1410:35 am
STL
- FCO
2 stops44h 55m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/1410:35 am
STL
- FCO
3 stops27h 15m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/148:10 pm
STL
- CIA
3 stops41h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$407
This FlightHub deal was found by Cheapflights users on 7/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:30 pm
STL
- FCO
1 stop14h 00m
Lufthansa
Deal found 7/22![Lufthansa logo]()
$414
This oojo deal was found by Cheapflights users on 7/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:30 pm
STL
- FCO
1 stop14h 00m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$436
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:35 pm
STL
- FCO
1 stop18h 20m
British Airways
Deal found 7/20![British Airways logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/1410:35 am
STL
- CIA
3 stops52h 15m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$447
This oojo deal was found by Cheapflights users on 7/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:35 pm
STL
- FCO
1 stop18h 20m
British Airways
Deal found 7/23![British Airways logo]()
$450
This Mytrip deal was found by Cheapflights users on 7/20. 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 12/224:05 pm
STL
- CIA
3 stops20h 05m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 12/233:40 pm
STL
- CIA
3 stops21h 00m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$854
Find flight deals from St. Louis to Rome
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Rome (ROM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 24, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $453 (KAYAK) |
One-way from | $300 (KAYAK) |
Popular in | June |
Cheapest in | February |
Average price | $1,360 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Rome 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 July 24, 2026.
Use the filters below to find and compare flights from St. Louis to Rome that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Wed 8/19
12:10 pm-9:15 am
1 stop14h 05m
Rome Fiumicino
Wed 8/26
11:30 am-12:02 pm
2 stops31h 32m
$803
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Mon 8/31
7:00 am-7:35 am
1 stop17h 35m
Rome Fiumicino
Fri 9/11
11:30 am-12:03 pm
2 stops31h 33m
$887
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Tue 8/11
12:10 pm-9:15 am
1 stop14h 05m
Rome Fiumicino
Fri 8/21
11:30 am-7:11 pm
2 stops38h 41m
$903
Quickest round-trip
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Tue 10/13
6:00 pm-2:25 pm
2 stops13h 25m
Rome Fiumicino
Thu 10/22
6:30 am-2:45 pm
2 stops15h 15m
$910
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Mon 9/21
8:40 am-8:15 am
1 stop16h 35m
Rome Fiumicino
Tue 10/27
9:45 am-11:09 pm
1 stop19h 24m
$983
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Thu 8/27
10:53 am-7:55 am
1 stop14h 02m
Rome Fiumicino
Sat 9/5
2:20 pm-2:57 pm
2 stops31h 37m
$997
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Thu 10/8
6:00 pm-2:25 pm
2 stops13h 25m
Rome Fiumicino
Fri 10/16
10:35 am-8:41 pm
2 stops17h 06m
$1,051
St. LouisRome
STL - CIA
STLCIA
Lambert-St Louis
Mon 8/31
12:10 pm-9:40 pm
3 stops26h 30m
Rome Ciampino
Sat 9/12
9:50 pm-8:20 pm
3 stops29h 30m
$1,205
St. LouisRome
STL - CIA
STLCIA
Lambert-St Louis
Tue 8/18
2:40 pm-4:40 pm
2 stops19h 00m
Rome Ciampino
Tue 8/25
6:00 am-8:24 pm
3 stops45h 24m
$1,231
St. LouisRome
STL - CIA
STLCIA
Lambert-St Louis
Wed 8/19
12:10 pm-8:20 pm
3 stops25h 10m
Rome Ciampino
Wed 8/26
9:40 pm-8:24 pm
2 stops29h 44m
$1,269
Showing 1-10 of 31 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Rome
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Rome in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Rome flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Rome flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-Rome flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Rome flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rome flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Rome
Have a flexible travel schedule? Discover the best time to fly to Rome from St. Louis with our price prediction graph.
STL-ROM
STL-FCO
STL-CIA
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 Rome
STL-ROM
STL-FCO
STL-CIA
What is the cheapest month to book a flight from St. Louis to Rome?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Rome (average of $527). Flying from St. Louis to Rome in June is currently the most expensive (average of $1,683). 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.
How much does it cost to fly round-trip from St. Louis to Rome?
Airfare is below average for this route at the moment.
St. Louis to Rome flights typically cost between $846 and $1,262 in August.The cheapest round-trip price found within the last 5 days was $453 on Aer Lingus (Aug 12-Aug 21).
How far ahead should I book a flight from St. Louis to Rome?
The best time to book flights from St. Louis to Rome is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Rome
Get insights into the airlines that provide service to Rome. 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 Rome. Reviews last updated July 24, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAir Canada from St. Louis to Rome. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Rome. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Rome?
Book flights to Rome if you plan to visit one of these locationsFiumicino
Civitavecchia
Montepulciano
Santa Marinella
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St. Louis and Rome flights
Browse other St. Louis and Rome flight options. Last updated on July 24, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Rome
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Top 7 airlines flying from St. Louis to Rome
Discover the top 7 airlines that operate flights from St. Louis to Rome. 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$472 | Average$1,200 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$500 | Average$913 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$506 | Average$884 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$549 | Average$1,058 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$566 | Average$1,126 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$665 | Average$1,085 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$794 | Average$1,245 | FlexibilityNo cancel fee | On-time67% |