$383+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ROM
Jun 25 — Jul 21
Round-trip
1 adult, Economy
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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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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 May 26, 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 May 26, 2026.
This FlightHub deal was found by Cheapflights users on 5/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:42 pm
STL
- FCO
2 stops19h 53m
Scandinavian Airlines
Fri 9/187:25 pm
FCO
- STL
2 stops32h 25m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$780
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:08 pm
STL
- FCO
2 stops15h 17m
American Airlines
Thu 11/261:00 pm
FCO
- STL
1 stop16h 29m
American Airlines
Deal found 5/21![American Airlines logo]()
$787
This Iberia deal was found by Cheapflights users on 5/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:45 am
STL
- FCO
1 stop15h 15m
Iberia
Wed 11/181:00 pm
FCO
- STL
1 stop14h 55m
Iberia
Deal found 5/26![Iberia logo]()
$790
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:27 pm
STL
- FCO
1 stop11h 18m
Lufthansa
Wed 11/187:05 am
FCO
- STL
1 stop13h 40m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$797
This FlightHub deal was found by Cheapflights users on 5/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:10 pm
STL
- FCO
1 stop14h 05m
Air Canada
Wed 8/192:20 pm
FCO
- STL
2 stops32h 18m
Air Canada
Deal found 5/25![Air Canada logo]()
$803
This Air Canada deal was found by Cheapflights users on 5/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:40 am
STL
- FCO
2 stops19h 15m
Air Canada
Wed 11/181:15 pm
FCO
- STL
2 stops33h 23m
Air Canada
Deal found 5/26![Air Canada logo]()
$804
This American Airlines deal was found by Cheapflights users on 5/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:08 pm
STL
- FCO
2 stops15h 17m
American Airlines
Wed 11/187:50 am
FCO
- STL
2 stops18h 39m
American Airlines
Deal found 5/22![American Airlines logo]()
$806
This FlightHub deal was found by Cheapflights users on 5/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:15 pm
STL
- FCO
2 stops57h 40m
Air Canada
Fri 11/271:15 pm
FCO
- STL
2 stops40h 39m
Air Canada
Deal found 5/25![Air Canada logo]()
$807
This Justfly.com deal was found by Cheapflights users on 5/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:10 pm
STL
- FCO
1 stop14h 05m
Multiple Airlines
Wed 8/196:50 am
FCO
- STL
1 stop13h 35m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$809
This Mytrip deal was found by Cheapflights users on 5/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am
STL
- CIA
2 stops28h 25m
Multiple Airlines
Tue 9/229:40 pm
CIA
- STL
3 stops28h 01m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,058
This Mytrip deal was found by Cheapflights users on 5/22. 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.
Tue 7/73:30 pm
STL
- CIA
2 stops18h 10m
Multiple Airlines
Tue 7/146:00 am
CIA
- STL
3 stops21h 22m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,114
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Tue 9/88:55 am
STL
- CIA
2 stops28h 25m
Multiple Airlines
Sun 9/208:50 am
CIA
- STL
2 stops35h 35m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,122
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 May 26, 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 May 26, 2026.
This British Airways deal was found by Cheapflights users on 5/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
STL
- FCO
1 stop19h 05m
British Airways
Tue 8/189:05 pm
FCO
- STL
1 stop29h 25m
British Airways
Deal found 5/21![British Airways logo]()
$827
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:30 pm
STL
- FCO
2 stops35h 15m
United Airlines
Sun 8/236:50 am
FCO
- STL
1 stop13h 35m
United Airlines
Deal found 5/25![United Airlines logo]()
$866
This Delta deal was found by Cheapflights users on 5/24. 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.
Sat 8/15:42 pm
STL
- FCO
1 stop30h 53m
Delta
Tue 8/112:45 pm
FCO
- STL
1 stop15h 41m
Delta
Deal found 5/24![Delta logo]()
$933
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Tue 9/88:55 am
STL
- CIA
2 stops28h 25m
Multiple Airlines
Sun 9/208:50 am
CIA
- STL
2 stops35h 35m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,122
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Tue 7/2112:10 pm
STL
- FCO
1 stop14h 05m
United Airlines
Thu 8/1311:30 am
FCO
- STL
1 stop14h 12m
United Airlines
Deal found 5/21![United Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 5/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:17 am
STL
- FCO
2 stops18h 43m
Delta
Tue 8/119:45 am
FCO
- STL
1 stop15h 42m
Delta
Deal found 5/23![Delta logo]()
$982
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Thu 8/1312:10 pm
STL
- FCO
1 stop14h 05m
United Airlines
Tue 8/186:50 am
FCO
- STL
1 stop13h 35m
United Airlines
Deal found 5/21![United Airlines logo]()
$950
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:08 am
STL
- FCO
1 stop20h 42m
Delta
Sun 8/212:30 pm
FCO
- STL
2 stops17h 52m
Delta
Deal found 5/25![Delta logo]()
$1,005
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:20 am
STL
- FCO
1 stop17h 35m
United Airlines
Tue 8/1111:30 am
FCO
- STL
1 stop14h 12m
United Airlines
Deal found 5/24![United Airlines logo]()
$972
This Mytrip deal was found by Cheapflights users on 5/23. 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.
Thu 9/1012:10 pm
STL
- CIA
3 stops24h 45m
Multiple Airlines
Tue 9/156:15 am
CIA
- STL
2 stops20h 45m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,220
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Mon 7/135:33 pm
STL
- FCO
1 stop31h 22m
United Airlines
Thu 8/1312:25 pm
FCO
- STL
1 stop32h 37m
United Airlines
Deal found 5/22![United Airlines logo]()
$974
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Tue 7/147:05 pm
STL
- FCO
1 stop29h 50m
United Airlines
Thu 8/1312:25 pm
FCO
- STL
1 stop32h 37m
United Airlines
Deal found 5/22![United Airlines logo]()
$974
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Sat 6/202:15 pm
STL
- CIA
2 stops24h 30m
Multiple Airlines
Sat 6/276:50 am
CIA
- STL
3 stops20h 35m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,392
This Mytrip deal was found by Cheapflights users on 5/22. 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.
Tue 9/82:40 pm
STL
- CIA
2 stops22h 40m
Multiple Airlines
Tue 9/228:25 pm
CIA
- STL
2 stops24h 00m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,434
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:20 am
STL
- FCO
2 stops17h 15m
United Airlines
Sat 8/812:25 pm
FCO
- STL
2 stops18h 19m
United Airlines
Deal found 5/25![United Airlines logo]()
$1,093
This Mytrip deal was found by Cheapflights users on 5/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:20 pm
STL
- CIA
3 stops25h 20m
Multiple Airlines
Sat 7/410:40 am
CIA
- STL
2 stops34h 22m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,465
This Mytrip deal was found by Cheapflights users on 5/23. 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.
Fri 7/173:30 pm
STL
- CIA
2 stops22h 10m
Multiple Airlines
Sat 7/256:35 am
CIA
- STL
3 stops19h 48m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,480
This Mytrip deal was found by Cheapflights users on 5/22. 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.
Tue 7/73:30 pm
STL
- CIA
2 stops18h 10m
Multiple Airlines
Tue 7/146:25 pm
CIA
- STL
2 stops26h 00m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,671
Last-minute flights from St. Louis to RomeDiscover last-minute flight deals from St. Louis to Rome. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rome. Data last updated May 26, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 5/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:30 pm
STL
- FCO
1 stop14h 00m
Lufthansa
Tue 6/92:55 pm
FCO
- STL
1 stop29h 30m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$1,139
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Mon 6/12:15 pm
STL
- CIA
2 stops22h 45m
Multiple Airlines
Mon 6/89:35 pm
CIA
- STL
3 stops45h 31m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,451
This Mytrip deal was found by Cheapflights users on 5/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:05 pm
STL
- CIA
3 stops25h 25m
Multiple Airlines
Sun 6/71:00 pm
CIA
- STL
3 stops38h 09m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,585
This Justfly.com deal was found by Cheapflights users on 5/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/83:30 pm
STL
- FCO
1 stop14h 00m
Lufthansa
Wed 6/176:50 am
FCO
- STL
1 stop13h 35m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$1,072
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Tue 6/98:40 am
STL
- FCO
2 stops27h 40m
Multiple Airlines
Fri 6/126:20 pm
FCO
- STL
3 stops36h 09m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,010
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Tue 6/92:15 pm
STL
- CIA
2 stops24h 00m
Multiple Airlines
Fri 6/126:25 am
CIA
- STL
2 stops20h 44m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,440
This Mytrip deal was found by Cheapflights users on 5/22. 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.
Tue 6/168:40 am
STL
- CIA
2 stops29h 35m
Multiple Airlines
Tue 6/304:15 pm
CIA
- STL
3 stops33h 27m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,584
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Sat 6/202:15 pm
STL
- CIA
2 stops24h 30m
Multiple Airlines
Sat 6/276:50 am
CIA
- STL
3 stops20h 35m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,392
This Cheapflightsfares deal was found by Cheapflights users on 5/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2112:55 pm
STL
- FCO
1 stop12h 20m
Lufthansa
Thu 7/211:00 am
FCO
- STL
1 stop19h 44m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$1,204
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:55 pm
STL
- FCO
2 stops15h 55m
Lufthansa
Tue 6/306:50 am
FCO
- STL
1 stop13h 35m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$1,202
This Mytrip deal was found by Cheapflights users on 5/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:20 pm
STL
- CIA
3 stops25h 20m
Multiple Airlines
Sat 7/410:40 am
CIA
- STL
2 stops34h 22m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,465
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:55 pm
STL
- FCO
1 stop12h 20m
Multiple Airlines
Fri 7/106:50 am
FCO
- STL
2 stops15h 56m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,182
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 May 26, 2026.
Search for one-way flight options from St. Louis to Rome. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Lufthansa deal was found by Cheapflights users on 5/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/171:13 pm
STL
- FCO
1 stop11h 42m
Lufthansa
Deal found 5/23![Lufthansa logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Fri 8/74:57 pm
STL
- FCO
2 stops38h 33m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm
STL
- CIA
3 stops41h 10m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:59 pm
STL
- FCO
3 stops51h 26m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:35 am
STL
- CIA
3 stops27h 40m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 6/304:17 pm
STL
- FCO
3 stops49h 53m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:30 am
STL
- FCO
3 stops55h 25m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:59 pm
STL
- CIA
3 stops48h 46m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:34 pm
STL
- CIA
2 stops41h 46m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:31 pm
STL
- CIA
3 stops43h 49m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:35 am
STL
- CIA
3 stops25h 05m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:10 pm
STL
- CIA
3 stops42h 20m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$473
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 May 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $803 (FlightHub) |
One-way from | $383 (Lufthansa) |
Popular in | June |
Cheapest in | February |
Average price | $1,240 |
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 May 26, 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
Sun 8/9
9:40 pm-11:45 pm
1 stop19h 05m
Rome Fiumicino
Tue 8/18
9:05 pm-7:30 pm
1 stop29h 25m
$827
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Sat 8/15
5:30 pm-11:45 am
2 stops35h 15m
Rome Fiumicino
Sun 8/23
6:50 am-1:25 pm
1 stop13h 35m
$866
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Tue 7/21
12:10 pm-9:15 am
1 stop14h 05m
Rome Fiumicino
Thu 8/13
11:30 am-6:42 pm
1 stop14h 12m
$902
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Sat 8/1
5:42 pm-7:35 am
1 stop30h 53m
Rome Fiumicino
Tue 8/11
2:45 pm-11:26 pm
1 stop15h 41m
$933
Quickest round-trip
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Thu 8/13
12:10 pm-9:15 am
1 stop14h 05m
Rome Fiumicino
Tue 8/18
6:50 am-1:25 pm
1 stop13h 35m
$950
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Thu 8/6
7:20 am-7:55 am
1 stop17h 35m
Rome Fiumicino
Tue 8/11
11:30 am-6:42 pm
1 stop14h 12m
$972
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Mon 7/13
5:33 pm-7:55 am
1 stop31h 22m
Rome Fiumicino
Thu 8/13
12:25 pm-2:02 pm
1 stop32h 37m
$974
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Tue 7/14
7:05 pm-7:55 am
1 stop29h 50m
Rome Fiumicino
Thu 8/13
12:25 pm-2:02 pm
1 stop32h 37m
$974
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Thu 8/6
9:17 am-11:00 am
2 stops18h 43m
Rome Fiumicino
Tue 8/11
9:45 am-6:27 pm
1 stop15h 42m
$982
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Sun 7/19
7:08 am-10:50 am
1 stop20h 42m
Rome Fiumicino
Sun 8/2
12:30 pm-11:22 pm
2 stops17h 52m
$1,005
Showing 1-10 of 37 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 May.
| 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, January is the cheapest month in which you can book a flight from St. Louis to Rome (average of $442). Flying from St. Louis to Rome in June is currently the most expensive (average of $921). 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?
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 May 26, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines 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.
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
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 May 26, 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 May 26, 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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$472 | Average$1,248 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$500 | Average$987 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$506 | Average$826 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$543 | Average$1,028 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$555 | Average$898 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$564 | Average$1,200 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$665 | Average$1,006 | FlexibilityNo cancel fee | On-time71% |