$356+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ROM
Jul 8 — Jul 151
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 June 8, 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 June 8, 2026.
This Air Canada deal was found by Cheapflights users on 6/7. 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 11/84:15 pm
STL
- FCO
1 stop33h 40m
Air Canada
Wed 11/181:15 pm
FCO
- STL
2 stops32h 03m
Air Canada
Deal found 6/7![Air Canada logo]()
$774
This United Airlines deal was found by Cheapflights users on 6/5. 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 11/1810:23 am
STL
- FCO
1 stop14h 22m
United Airlines
Thu 11/2611:15 am
FCO
- STL
2 stops32h 05m
United Airlines
Deal found 6/5![United Airlines logo]()
$775
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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.
Mon 11/96:45 pm
STL
- FCO
2 stops21h 15m
Lufthansa
Wed 11/187:05 am
FCO
- STL
1 stop13h 40m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$776
This Air Canada deal was found by Cheapflights users on 6/7. 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.
Mon 11/94:15 pm
STL
- FCO
2 stops57h 40m
Air Canada
Wed 11/181:15 pm
FCO
- STL
2 stops32h 03m
Air Canada
Deal found 6/7![Air Canada logo]()
$777
This United Airlines deal was found by Cheapflights users on 6/5. 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 11/86:40 am
STL
- FCO
1 stop18h 05m
United Airlines
Wed 11/187:05 am
FCO
- STL
1 stop13h 40m
United Airlines
Deal found 6/5![United Airlines logo]()
$779
This FlightHub deal was found by Cheapflights users on 6/7. 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 9/121:30 pm
STL
- FCO
2 stops22h 05m
Scandinavian Airlines
Fri 9/187:25 pm
FCO
- STL
2 stops35h 11m
Scandinavian Airlines
Deal found 6/7![Scandinavian Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 6/5. 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 11/91:00 pm
STL
- FCO
2 stops14h 55m
United Airlines
Wed 11/187:05 am
FCO
- STL
1 stop13h 40m
United Airlines
Deal found 6/5![United Airlines logo]()
$783
This FlightHub deal was found by Cheapflights users on 6/7. 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 11/94:15 pm
STL
- FCO
2 stops57h 40m
Multiple Airlines
Wed 11/187:05 am
FCO
- STL
1 stop13h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$786
This Delta deal was found by Cheapflights users on 6/4. 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 11/81:30 pm
STL
- FCO
1 stop11h 45m
Delta
Wed 11/186:10 am
FCO
- STL
2 stops21h 27m
Delta
Deal found 6/4![Delta logo]()
$790
This Delta deal was found by Cheapflights users on 6/3. 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 12/610:45 am
STL
- FCO
1 stop15h 50m
Delta
Wed 12/910:25 am
FCO
- STL
1 stop20h 14m
Delta
Deal found 6/3![Delta logo]()
$791
This American Airlines deal was found by Cheapflights users on 6/3. 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 12/62:54 pm
STL
- FCO
2 stops14h 31m
American Airlines
Wed 12/91:00 pm
FCO
- STL
1 stop28h 17m
American Airlines
Deal found 6/3![American Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 6/3. 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 8/176:54 pm
STL
- CIA
3 stops18h 21m
Multiple Airlines
Tue 8/258:40 pm
CIA
- STL
2 stops23h 45m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$910
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 June 8, 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 June 8, 2026.
This Condor deal was found by Cheapflights users on 6/3. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:25 am
STL
- FCO
2 stops28h 25m
Multiple Airlines
Thu 9/108:10 am
FCO
- STL
2 stops18h 35m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 6/7. 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 8/55:34 pm
STL
- FCO
2 stops16h 01m
Delta
Wed 8/196:30 am
FCO
- STL
2 stops15h 40m
Delta
Deal found 6/7![Delta logo]()
$828
This United Airlines deal was found by Cheapflights users on 6/6. 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 10/105:36 pm
STL
- FCO
1 stop31h 19m
United Airlines
Sun 10/182:20 pm
FCO
- STL
1 stop30h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$970
This Mytrip deal was found by Cheapflights users on 6/3. 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 8/176:54 pm
STL
- CIA
3 stops18h 21m
Multiple Airlines
Tue 8/258:40 pm
CIA
- STL
2 stops23h 45m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$910
This Scandinavian Airlines deal was found by Cheapflights users on 6/7. 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 06m
Scandinavian Airlines
Deal found 6/7![Scandinavian Airlines logo]()
$1,887
This United Airlines deal was found by Cheapflights users on 6/7. 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 9/195:30 pm
STL
- FCO
2 stops32h 45m
United Airlines
Sun 9/2712:25 pm
FCO
- STL
1 stop14h 35m
United Airlines
Deal found 6/7![United Airlines logo]()
$997
This United deal was found by Cheapflights users on 6/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:22 pm
STL
- FCO
1 stop33h 33m
Multiple Airlines
Sun 8/1612:25 pm
FCO
- STL
1 stop32h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$966
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 10/161:29 pm
STL
- FCO
2 stops16h 46m
United Airlines
Sun 10/257:05 am
FCO
- STL
1 stop13h 40m
United Airlines
Deal found 6/7![United Airlines logo]()
$1,009
This United deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:54 pm
STL
- FCO
1 stop30h 01m
Multiple Airlines
Sat 9/121:20 pm
FCO
- STL
1 stop31h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,033
This Delta deal was found by Cheapflights users on 6/5. 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 6/181:59 pm
STL
- FCO
2 stops17h 26m
Delta
Sun 6/2810:35 am
FCO
- STL
2 stops19h 48m
Delta
Deal found 6/5![Delta logo]()
$1,522
This Mytrip deal was found by Cheapflights users on 6/5. 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 8/113:30 pm
STL
- CIA
2 stops22h 40m
Multiple Airlines
Wed 8/199:40 pm
CIA
- STL
2 stops29h 42m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,213
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/275:33 pm
STL
- FCO
1 stop31h 22m
United Airlines
Wed 7/82:20 pm
FCO
- STL
2 stops40h 24m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,365
This Mytrip deal was found by Cheapflights users on 6/5. 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 8/113:30 pm
STL
- CIA
2 stops22h 40m
Multiple Airlines
Tue 8/186:00 am
CIA
- STL
2 stops21h 22m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,244
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/189:06 am
STL
- FCO
1 stop20h 14m
United Airlines
Sun 6/2811:30 am
FCO
- STL
1 stop15h 55m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,512
This Mytrip deal was found by Cheapflights users on 6/3. 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 7/42:40 pm
STL
- CIA
2 stops24h 15m
Multiple Airlines
Mon 7/139:45 pm
CIA
- STL
2 stops22h 40m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,334
This Mytrip deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:30 pm
STL
- CIA
2 stops21h 45m
Multiple Airlines
Wed 7/229:40 pm
CIA
- STL
2 stops29h 42m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,418
This Mytrip deal was found by Cheapflights users on 6/4. 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 9/42:40 pm
STL
- CIA
3 stops23h 15m
Multiple Airlines
Sat 9/129:05 pm
CIA
- STL
2 stops23h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,445
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/218:55 am
STL
- CIA
3 stops29h 55m
Multiple Airlines
Wed 7/299:40 pm
CIA
- STL
2 stops29h 42m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,448
This Mytrip deal was found by Cheapflights users on 6/3. 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 7/252:40 pm
STL
- CIA
2 stops24h 15m
Multiple Airlines
Sat 8/19:05 pm
CIA
- STL
3 stops28h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,522
This Mytrip deal was found by Cheapflights users on 6/4. 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 7/32:40 pm
STL
- CIA
2 stops23h 00m
Multiple Airlines
Sun 7/191:00 pm
CIA
- STL
3 stops31h 25m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,597
This Mytrip deal was found by Cheapflights users on 6/4. 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 6/231:20 pm
STL
- CIA
3 stops24h 50m
Multiple Airlines
Tue 6/306:00 am
CIA
- STL
2 stops21h 07m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,611
Last-minute flights from St. Louis to RomeDiscover last-minute flight deals from St. Louis to Rome. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rome. Data last updated June 8, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/3. 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 7/42:40 pm
STL
- CIA
2 stops24h 15m
Multiple Airlines
Mon 7/139:45 pm
CIA
- STL
2 stops22h 40m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,334
This Mytrip deal was found by Cheapflights users on 6/4. 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 7/53:30 pm
STL
- CIA
2 stops20h 15m
Multiple Airlines
Sun 7/127:55 pm
CIA
- STL
3 stops24h 30m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,239
This oojo deal was found by Cheapflights users on 6/7. 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.
Tue 7/71:25 pm
STL
- FCO
1 stop12h 45m
British Airways
Tue 7/1412:15 pm
FCO
- STL
1 stop18h 17m
British Airways
Deal found 6/7![British Airways logo]()
$901
This Mytrip deal was found by Cheapflights users on 6/7. 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
2 stops21h 22m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,247
This Expedia deal was found by Cheapflights users on 6/7. 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.
Wed 7/89:44 am
STL
- FCO
1 stop19h 21m
Iberia
Wed 7/151:25 pm
FCO
- STL
2 stops26h 44m
Iberia
Deal found 6/7![Iberia logo]()
$914
This oojo deal was found by Cheapflights users on 6/7. 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.
Mon 7/132:32 pm
STL
- FCO
1 stop11h 38m
British Airways
Fri 7/2410:00 am
FCO
- STL
1 stop29h 31m
British Airways
Deal found 6/7![British Airways logo]()
$908
This Mytrip deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:30 pm
STL
- CIA
2 stops21h 45m
Multiple Airlines
Wed 7/229:40 pm
CIA
- STL
2 stops29h 42m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,418
This FlightHub deal was found by Cheapflights users on 6/5. 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.
Sun 7/1912:10 pm
STL
- FCO
1 stop16h 35m
Air Canada
Wed 7/2911:30 am
FCO
- STL
2 stops31h 41m
Air Canada
Deal found 6/5![Air Canada logo]()
$889
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/1912:10 pm
STL
- FCO
1 stop16h 35m
Air Canada
Fri 7/3112:25 pm
FCO
- STL
2 stops30h 46m
Air Canada
Deal found 6/6![Air Canada logo]()
$894
This United deal was found by Cheapflights users on 6/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:48 pm
STL
- FCO
1 stop36h 32m
Multiple Airlines
Wed 7/2912:25 pm
FCO
- STL
1 stop32h 37m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$896
This Travelocity deal was found by Cheapflights users on 6/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:10 pm
STL
- FCO
1 stop14h 05m
Multiple Airlines
Mon 8/310:10 am
FCO
- STL
2 stops39h 32m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$915
This Justfly.com deal was found by Cheapflights users on 6/6. 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 7/2712:10 pm
STL
- FCO
1 stop14h 05m
Air Canada
Wed 8/128:00 am
FCO
- STL
2 stops37h 02m
Air Canada
Deal found 6/6![Air Canada logo]()
$907
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 June 8, 2026.
Search for one-way flight options from St. Louis to Rome. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This oojo deal was found by Cheapflights users on 6/6. 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 11/2910:45 am
STL
- FCO
1 stop15h 15m
British Airways
Deal found 6/6![British Airways logo]()
$356
This American Airlines deal was found by Cheapflights users on 6/6. 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 11/82:50 pm
STL
- FCO
2 stops14h 35m
American Airlines
Deal found 6/6![American Airlines logo]()
$357
This KLM deal was found by Cheapflights users on 6/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:42 pm
STL
- FCO
1 stop12h 38m
KLM
Deal found 6/7![KLM logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/144:09 pm
STL
- FCO
3 stops46h 46m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 9/2510:35 am
STL
- FCO
3 stops48h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/114:57 pm
STL
- FCO
3 stops38h 38m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$391
This Expedia deal was found by Cheapflights users on 6/7. 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 12/34:15 pm
STL
- FCO
1 stop11h 40m
Air Canada
Deal found 6/7![Air Canada logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/124:09 pm
STL
- FCO
3 stops50h 01m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/134:09 pm
STL
- FCO
3 stops45h 11m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 9/1210:35 am
STL
- FCO
3 stops47h 25m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$407
This Mytrip deal was found by Cheapflights users on 6/5. 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 9/2212:10 pm
STL
- FCO
2 stops30h 15m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/96:34 pm
STL
- FCO
3 stops43h 06m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$421
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 June 8, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $802 (KAYAK) |
One-way from | $356 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $1,677 |
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 June 8, 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
Tue 9/1
10:25 am-9:50 pm
2 stops28h 25m
Rome Fiumicino
Thu 9/10
8:10 am-7:45 pm
2 stops18h 35m
$826
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Wed 8/5
5:34 pm-4:35 pm
2 stops16h 01m
Rome Fiumicino
Wed 8/19
6:30 am-3:10 pm
2 stops15h 40m
$828
St. LouisRome
STL - CIA
STLCIA
Lambert-St Louis
Mon 8/17
6:54 pm-8:15 pm
3 stops18h 21m
Rome Ciampino
Tue 8/25
8:40 pm-1:25 pm
2 stops23h 45m
$910
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Sun 8/2
3:22 pm-7:55 am
1 stop33h 33m
Rome Fiumicino
Sun 8/16
12:25 pm-2:02 pm
1 stop32h 37m
$966
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Sat 10/10
5:36 pm-7:55 am
1 stop31h 19m
Rome Fiumicino
Sun 10/18
2:20 pm-2:00 pm
1 stop30h 40m
$970
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Sat 9/19
5:30 pm-9:15 am
2 stops32h 45m
Rome Fiumicino
Sun 9/27
12:25 pm-8:00 pm
1 stop14h 35m
$997
Quickest round-trip
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Fri 10/16
1:29 pm-1:15 pm
2 stops16h 46m
Rome Fiumicino
Sun 10/25
7:05 am-2:45 pm
1 stop13h 40m
$1,009
St. LouisRome
STL - FCO
STLFCO
Lambert-St Louis
Sat 9/5
6:54 pm-7:55 am
1 stop30h 01m
Rome Fiumicino
Sat 9/12
1:20 pm-1:25 pm
1 stop31h 05m
$1,033
St. LouisRome
STL - CIA
STLCIA
Lambert-St Louis
Tue 8/11
3:30 pm-9:10 pm
2 stops22h 40m
Rome Ciampino
Wed 8/19
9:40 pm-8:22 pm
2 stops29h 42m
$1,213
St. LouisRome
STL - CIA
STLCIA
Lambert-St Louis
Tue 8/11
3:30 pm-9:10 pm
2 stops22h 40m
Rome Ciampino
Tue 8/18
6:00 am-8:22 pm
2 stops21h 22m
$1,244
Showing 1-10 of 39 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 June.
| 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 June 8, 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.
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
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 June 8, 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 June 8, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Rome
Explore flights to Rome departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$472 | Average$1,271 | 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$1,015 | FlexibilityNo cancel fee | On-time71% |