$218+ Cheap flights from St. Louis (STL) to Europe
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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Cheapest flights from St. Louis to EuropeExplore the most affordable flight options available from St. Louis to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
Explore the most affordable flight options available from St. Louis to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:05 pm
STL
- DUB
1 stop31h 05m
Aer Lingus
Thu 12/31:00 pm
DUB
- STL
1 stop32h 26m
Aer Lingus
Deal found 7/25![Aer Lingus logo]()
$343
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Tue 9/151:20 pm
DUB
- STL
1 stop13h 00m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$347
This Ovago deal was found by Cheapflights users on 7/27. 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.
Mon 9/78:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 9/161:20 pm
DUB
- STL
1 stop13h 00m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$348
This KAYAK deal was found by Cheapflights users on 7/27. 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 9/78:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Tue 9/151:20 pm
DUB
- STL
1 stop13h 00m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$372
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/281:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$377
This Ovago deal was found by Cheapflights users on 7/27. 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.
Tue 8/118:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$378
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/24![Aer Lingus logo]()
$379
This Ovago 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 Ovago 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 7/24![Aer Lingus logo]()
$461
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 7/23. 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 Ovago 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 7/23![Aer Lingus logo]()
$568
This KAYAK deal was found by Cheapflights users on 7/26. 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 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 7/26![Aer Lingus logo]()
$617
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:40 pm
STL
- MAD
1 stop11h 10m
Multiple Airlines
Wed 10/141:30 pm
MAD
- STL
1 stop13h 30m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$694
Best flights from St. Louis to EuropeDiscover carefully curated flight deals from St. Louis to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from St. Louis to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 10/2612:00 pm
STL
- DUB
1 stop14h 45m
Delta
Wed 11/45:45 am
DUB
- STL
2 stops15h 52m
Delta
Deal found 7/27![Delta logo]()
$707
This United Airlines deal was found by Cheapflights users on 7/27. 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 10/269:44 am
STL
- DUB
1 stop16h 46m
United Airlines
Wed 11/410:40 am
DUB
- STL
1 stop13h 29m
United Airlines
Deal found 7/27![United Airlines logo]()
$710
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:31 pm
STL
- DUB
2 stops14h 49m
British Airways
Tue 11/178:50 am
DUB
- STL
2 stops16h 32m
British Airways
Deal found 7/23![British Airways logo]()
$710
This United deal was found by Cheapflights users on 7/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:35 am
STL
- DUB
2 stops13h 55m
Multiple Airlines
Mon 10/198:45 am
DUB
- STL
1 stop34h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$775
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2011:51 am
STL
- FRA
1 stop12h 59m
KLM
Wed 2/249:50 am
FRA
- STL
1 stop14h 00m
KLM
Deal found 7/24![KLM logo]()
$809
This Finnair deal was found by Cheapflights users on 7/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:10 pm
STL
- FRA
2 stops18h 25m
Finnair
Mon 10/127:20 pm
FRA
- STL
2 stops31h 28m
Finnair
Deal found 7/27![Finnair logo]()
$961
This Virgin Atlantic deal was found by Cheapflights users on 7/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:29 am
STL
- LHR
2 stops14h 16m
Virgin Atlantic
Mon 9/149:55 am
LHR
- STL
2 stops16h 40m
Virgin Atlantic
Deal found 7/27![Virgin Atlantic logo]()
$988
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:30 pm
STL
- LCY
1 stop20h 25m
Lufthansa
Wed 9/99:15 am
LCY
- STL
2 stops19h 44m
Lufthansa
Deal found 7/24![Lufthansa logo]()
$1,041
This Scandinavian Airlines deal was found by Cheapflights users on 7/25. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm
STL
- ATH
3 stops25h 00m
Scandinavian Airlines
Wed 11/118:20 am
ATH
- STL
2 stops23h 19m
Scandinavian Airlines
Deal found 7/25![Scandinavian Airlines logo]()
$1,121
This Turkish Airlines deal was found by Cheapflights users on 7/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:30 am
STL
- STN
2 stops20h 25m
Turkish Airlines
Mon 11/2310:55 am
STN
- STL
2 stops40h 45m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$1,175
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 11/92:31 pm
STL
- DUB
2 stops12h 14m
Delta
Wed 11/185:45 am
DUB
- STL
2 stops18h 28m
Delta
Deal found 7/27![Delta logo]()
$711
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:20 pm
STL
- MAD
1 stop13h 40m
United Airlines
Fri 10/306:00 am
MAD
- STL
1 stop14h 45m
United Airlines
Deal found 7/27![United Airlines logo]()
$725
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:30 am
STL
- MAD
1 stop16h 35m
United Airlines
Fri 10/912:45 pm
MAD
- STL
1 stop12h 56m
United Airlines
Deal found 7/24![United Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:14 am
STL
- DUB
2 stops15h 41m
Delta
Sun 11/225:45 am
DUB
- STL
2 stops16h 49m
Delta
Deal found 7/26![Delta logo]()
$761
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:52 pm
STL
- FRA
1 stop13h 03m
KLM
Wed 9/1611:00 am
FRA
- STL
1 stop13h 10m
KLM
Deal found 7/24![KLM logo]()
$879
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/298:00 am
STL
- MAD
2 stops15h 50m
United Airlines
Fri 10/912:45 pm
MAD
- STL
1 stop12h 56m
United Airlines
Deal found 7/27![United Airlines logo]()
$732
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 12/286:59 pm
STL
- CDG
2 stops15h 06m
Delta
Fri 1/1511:40 am
CDG
- STL
2 stops15h 57m
Delta
Deal found 7/27![Delta logo]()
$798
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/112:27 pm
STL
- DUB
1 stop16h 43m
United Airlines
Fri 9/119:20 am
DUB
- STL
2 stops31h 57m
United Airlines
Deal found 7/27![United Airlines logo]()
$745
This United deal was found by Cheapflights users on 7/27. 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 10/34:50 pm
STL
- LHR
1 stop21h 50m
Multiple Airlines
Sat 10/107:30 pm
LHR
- STL
1 stop23h 55m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,006
This Delta deal was found by Cheapflights users on 7/25. 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.
Fri 12/113:20 pm
STL
- DUB
1 stop10h 35m
Delta
Mon 12/215:45 am
DUB
- STL
2 stops23h 33m
Delta
Deal found 7/25![Delta logo]()
$807
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:40 am
STL
- LCY
2 stops27h 15m
Lufthansa
Wed 9/169:15 am
LCY
- STL
2 stops19h 44m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$1,095
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:00 pm
STL
- DUB
2 stops14h 55m
United Airlines
Sun 11/229:00 am
DUB
- STL
1 stop12h 26m
United Airlines
Deal found 7/26![United Airlines logo]()
$751
This Icelandair deal was found by Cheapflights users on 7/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:45 pm
STL
- LGW
2 stops17h 55m
Multiple Airlines
Wed 9/303:40 pm
LGW
- STL
2 stops38h 05m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,015
This Turkish Airlines deal was found by Cheapflights users on 7/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 am
STL
- STN
2 stops19h 55m
Turkish Airlines
Wed 10/146:55 am
STN
- STL
2 stops44h 26m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$1,175
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 9/18:40 am
STL
- DUB
2 stops16h 50m
United Airlines
Fri 9/189:20 am
DUB
- STL
1 stop10h 40m
United Airlines
Deal found 7/23![United Airlines logo]()
$763
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.
Wed 11/252:18 pm
STL
- FRA
1 stop11h 22m
Delta
Wed 12/210:15 am
FRA
- STL
2 stops20h 24m
Delta
Deal found 7/24![Delta logo]()
$846
This Icelandair deal was found by Cheapflights users on 7/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:30 pm
STL
- LGW
2 stops16h 10m
Multiple Airlines
Wed 10/2811:55 am
LGW
- STL
2 stops15h 30m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,027
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:30 pm
STL
- LCY
1 stop20h 25m
Lufthansa
Sun 8/236:30 pm
LCY
- STL
1 stop24h 55m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$1,155
This Turkish Airlines deal was found by Cheapflights users on 7/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:30 am
STL
- STN
2 stops26h 50m
Turkish Airlines
Mon 11/1610:55 am
STN
- STL
2 stops40h 45m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$1,175
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 10/168:00 am
STL
- MAD
2 stops15h 50m
United Airlines
Fri 10/2312:45 pm
MAD
- STL
2 stops33h 58m
United Airlines
Deal found 7/25![United Airlines logo]()
$768
Last-minute flights from St. Louis to EuropeDiscover last-minute flight deals from St. Louis to Europe. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Europe. Data last updated July 28, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 7/27. 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.
Tue 8/118:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$378
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/24![Aer Lingus logo]()
$379
This Ovago 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 Ovago 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 7/23![Aer Lingus logo]()
$568
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$420
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/24![Aer Lingus logo]()
$464
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/281:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$377
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/271:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/25![Aer Lingus logo]()
$406
This Ovago 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 Ovago 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 7/24![Aer Lingus logo]()
$461
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/281:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$427
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/271:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$456
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 KAYAK deal was found by Cheapflights users on 7/27. 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 8/268:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 9/21:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$404
One-way flights from St. Louis to EuropeSearch for one-way flight options from St. Louis to Europe. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from St. Louis to Europe. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/2210:35 am
STL
- LGW
2 stops17h 25m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$218
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:35 am
STL
- LGW
2 stops17h 25m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$219
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$225
This Ovago deal was found by Cheapflights users on 7/27. 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.
Mon 9/78:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sat 10/1710:35 am
STL
- LGW
2 stops41h 25m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/1810:35 am
STL
- LGW
2 stops41h 25m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$235
This KAYAK deal was found by Cheapflights users on 7/27. 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 8/178:55 am
STL
- FCO
2 stops18h 30m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$237
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$248
This Ovago deal was found by Cheapflights users on 7/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$249
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.
Sat 8/154:57 pm
STL
- LGW
2 stops35h 03m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 10/1210:35 am
STL
- LGW
2 stops17h 25m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$264
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:35 am
STL
- LGW
2 stops41h 25m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$267
Find flight deals from St. Louis to Europe
Keep the following information in mind while searching for St. Louis to Europe flight deals. Data was last updated July 28, 2026.
Round-trip from | $343 (KAYAK) |
|---|---|
One-way from | $218 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $1,110 |
Good round-trip deal | $977 or less |
Good one-way deal | $456 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Europe 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 28, 2026.
Use the filters below to find and compare flights from St. Louis to Europe that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Mon 10/26
12:00 pm-7:45 am
1 stop14h 45m
Dublin
Wed 11/4
5:45 am-3:37 pm
2 stops15h 52m
$707
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Mon 10/26
9:44 am-7:30 am
1 stop16h 46m
Dublin
Wed 11/4
10:40 am-6:09 pm
1 stop13h 29m
$710
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Tue 11/10
5:31 pm-2:20 pm
2 stops14h 49m
Dublin
Tue 11/17
8:50 am-7:22 pm
2 stops16h 32m
$710
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Mon 11/9
2:31 pm-8:45 am
2 stops12h 14m
Dublin
Wed 11/18
5:45 am-6:13 pm
2 stops18h 28m
$711
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Wed 10/21
12:20 pm-9:00 am
1 stop13h 40m
Madrid Barajas
Fri 10/30
6:00 am-2:45 pm
1 stop14h 45m
$725
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Mon 9/28
8:30 am-8:05 am
1 stop16h 35m
Madrid Barajas
Fri 10/9
12:45 pm-6:41 pm
1 stop12h 56m
$728
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Tue 9/29
8:00 am-6:50 am
2 stops15h 50m
Madrid Barajas
Fri 10/9
12:45 pm-6:41 pm
1 stop12h 56m
$732
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Tue 9/1
12:27 pm-11:10 am
1 stop16h 43m
Dublin
Fri 9/11
9:20 am-11:17 am
2 stops31h 57m
$745
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Wed 11/18
1:00 pm-9:55 am
2 stops14h 55m
Dublin
Sun 11/22
9:00 am-3:26 pm
1 stop12h 26m
$751
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Wed 11/18
10:14 am-7:55 am
2 stops15h 41m
Dublin
Sun 11/22
5:45 am-4:34 pm
2 stops16h 49m
$761
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Europe
Have a flexible travel schedule? Discover the best time to fly to Europe from St. Louis with our price prediction graph.
STL-LGW
STL-DUB
STL-FCO
STL-FRA
STL-LHR
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 Europe
STL-EU0
STL-LGW
STL-DUB
STL-FCO
STL-FRA
What is the cheapest month to book a flight from St. Louis to Europe?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Europe (average of $693). Flying from St. Louis to Europe in June is currently the most expensive (average of $1,309). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to EU?
Find hourly flight availability from St. Louis to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2026.
When flying from St. Louis to Europe, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How far ahead should I book a flight from St. Louis to Europe?
To ensure you get the cheapest price possible for a flight from St. Louis to Europe, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Europe
Get insights into the airlines that provide service to Europe. 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 Europe. Reviews last updated July 28, 2026.
Read through reviews of airlines operating flights from St. Louis to Europe, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
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 Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Europe
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Complete your trip
Complete your trip to Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Europe by cabin class
Find flights from St. Louis to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Europe flights
Browse other St. Louis and Europe flight options. Last updated on July 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Europe countries
Consider these flights traveling to countries located in Europe.
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Consider these flights traveling from St. Louis to Europe.
Top 10 airlines flying from St. Louis to Europe
Discover the top 10 airlines that operate flights from St. Louis to Europe. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$304 | Average$825 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$410 | Average$940 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$482 | Average$1,031 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$483 | Average$868 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$502 | Average$1,001 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$507 | Average$822 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$523 | Average$857 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$555 | Average$1,018 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$561 | Average$926 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$572 | Average$1,024 | FlexibilityNo cancel fee | On-time67% |