$241+ Cheap flights from St. Louis (STL) to Southeast 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATH
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from St. Louis to Southeast Europe with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Southeast Europe
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Cheapest flights from St. Louis to Southeast EuropeExplore the most affordable flight options available from St. Louis to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from St. Louis to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/107:00 pm
STL
- ATH
2 stops32h 40m
United Airlines
Tue 3/171:10 pm
ATH
- STL
2 stops32h 32m
United Airlines
Deal found 2/10![United Airlines logo]()
$479
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Tue 3/108:17 am
STL
- ATH
2 stops18h 03m
Air Canada
Tue 3/171:10 pm
ATH
- STL
1 stop33h 19m
Air Canada
Deal found 2/10![Air Canada logo]()
$492
This Gotogate deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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.
Mon 4/134:05 pm
STL
- ZAG
2 stops13h 30m
Multiple Airlines
Fri 4/246:05 am
ZAG
- STL
1 stop14h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$527
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/144:30 pm
STL
- TIA
2 stops24h 00m
British Airways
Tue 4/288:30 am
TIA
- STL
2 stops20h 47m
British Airways
Deal found 2/10![British Airways logo]()
$529
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/195:21 pm
STL
- OTP
2 stops23h 29m
British Airways
Tue 4/286:10 pm
OTP
- STL
2 stops30h 31m
British Airways
Deal found 2/11![British Airways logo]()
$538
This Ovago deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/107:00 am
STL
- ATH
1 stop19h 05m
Lufthansa
Tue 3/171:10 pm
ATH
- STL
1 stop33h 19m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$539
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/277:05 am
STL
- TIA
2 stops22h 05m
British Airways
Mon 5/1112:50 pm
TIA
- STL
2 stops37h 43m
British Airways
Deal found 2/10![British Airways logo]()
$543
This Flightnetwork deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:05 pm
STL
- SJJ
2 stops36h 50m
Multiple Airlines
Tue 4/212:55 pm
SJJ
- STL
2 stops55h 29m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/88:03 pm
STL
- OTP
2 stops20h 17m
American Airlines
Wed 4/158:15 am
OTP
- STL
2 stops22h 02m
American Airlines
Deal found 2/10![American Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/89:10 am
STL
- OTP
2 stops19h 40m
United Airlines
Wed 4/156:05 am
OTP
- STL
1 stop15h 20m
United Airlines
Deal found 2/10![United Airlines logo]()
$554
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am
STL
- TIA
2 stops23h 25m
British Airways
Sat 11/1412:50 pm
TIA
- STL
2 stops39h 05m
British Airways
Deal found 2/12![British Airways logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/257:00 pm
STL
- ZAG
2 stops21h 25m
Lufthansa
Fri 4/36:05 am
ZAG
- STL
1 stop14h 20m
Lufthansa
Deal found 2/12![Lufthansa logo]()
$555
Best flights from St. Louis to Southeast EuropeDiscover carefully curated flight deals from St. Louis to Southeast Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from St. Louis to Southeast Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/144:30 pm
STL
- TIA
2 stops24h 00m
British Airways
Tue 4/288:30 am
TIA
- STL
2 stops20h 47m
British Airways
Deal found 2/10![British Airways logo]()
$529
This Flightnetwork deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:05 pm
STL
- SJJ
2 stops36h 50m
Multiple Airlines
Tue 4/212:55 pm
SJJ
- STL
2 stops55h 29m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$547
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/193:30 pm
STL
- OTP
1 stop13h 35m
Lufthansa
Tue 4/286:05 am
OTP
- STL
2 stops23h 03m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$553
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/88:03 pm
STL
- OTP
2 stops20h 17m
American Airlines
Wed 4/158:15 am
OTP
- STL
2 stops22h 02m
American Airlines
Deal found 2/10![American Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/89:10 am
STL
- OTP
2 stops19h 40m
United Airlines
Wed 4/156:05 am
OTP
- STL
1 stop15h 20m
United Airlines
Deal found 2/10![United Airlines logo]()
$554
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Mon 5/115:47 pm
STL
- TIA
2 stops18h 33m
KLM
Mon 5/258:15 pm
TIA
- STL
2 stops26h 55m
KLM
Deal found 2/10![KLM logo]()
$573
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 7/2912:00 pm
STL
- ZAG
2 stops21h 25m
Delta
Tue 8/1812:30 pm
ZAG
- STL
2 stops35h 19m
Delta
Deal found 2/9![Delta logo]()
$636
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 7/2612:10 pm
STL
- ZAG
2 stops17h 25m
Air Canada
Wed 8/195:55 am
ZAG
- STL
2 stops39h 07m
Air Canada
Deal found 2/9![Air Canada logo]()
$648
This Virgin Atlantic deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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.
Mon 4/64:21 pm
STL
- ATH
2 stops31h 14m
Virgin Atlantic
Wed 4/229:10 am
ATH
- STL
1 stop16h 34m
Virgin Atlantic
Deal found 2/12![Virgin Atlantic logo]()
$772
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/195:21 pm
STL
- OTP
2 stops23h 29m
British Airways
Tue 4/286:10 pm
OTP
- STL
2 stops30h 31m
British Airways
Deal found 2/11![British Airways logo]()
$538
This Iberia deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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.
Wed 4/88:03 pm
STL
- OTP
2 stops20h 17m
Multiple Airlines
Wed 4/158:15 am
OTP
- STL
2 stops22h 44m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$555
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/257:00 pm
STL
- ZAG
2 stops21h 25m
Lufthansa
Fri 4/36:05 am
ZAG
- STL
1 stop14h 20m
Lufthansa
Deal found 2/12![Lufthansa logo]()
$555
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/228:17 am
STL
- SJJ
2 stops22h 33m
United Airlines
Fri 4/106:25 am
SJJ
- STL
2 stops39h 59m
United Airlines
Deal found 2/10![United Airlines logo]()
$597
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/277:05 am
STL
- TIA
2 stops22h 05m
British Airways
Mon 5/1112:50 pm
TIA
- STL
2 stops37h 43m
British Airways
Deal found 2/10![British Airways logo]()
$543
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Tue 6/169:35 pm
STL
- SPU
2 stops40h 25m
Aer Lingus
Thu 7/309:50 pm
SPU
- STL
2 stops29h 36m
Aer Lingus
Deal found 2/10![Aer Lingus logo]()
$1,249
This KLM deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Mon 5/181:27 pm
STL
- TIA
2 stops22h 53m
KLM
Mon 5/258:15 pm
TIA
- STL
2 stops26h 55m
KLM
Deal found 2/9![KLM logo]()
$626
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/224:50 pm
STL
- SJJ
1 stop14h 00m
Lufthansa
Fri 4/106:25 am
SJJ
- STL
1 stop14h 00m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$578
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:30 pm
STL
- SJJ
1 stop13h 20m
United Airlines
Tue 8/256:15 am
SJJ
- STL
3 stops40h 06m
United Airlines
Deal found 2/11![United Airlines logo]()
$600
This Gotogate deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/263:30 pm
STL
- DBV
2 stops17h 45m
Multiple Airlines
Sat 5/26:15 pm
DBV
- STL
2 stops32h 50m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$617
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:54 am
STL
- OTP
2 stops31h 26m
British Airways
Wed 4/154:15 pm
OTP
- STL
2 stops39h 31m
British Airways
Deal found 2/11![British Airways logo]()
$562
This Flightnetwork deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:30 pm
STL
- SJJ
1 stop13h 25m
Lufthansa
Tue 4/2112:40 pm
SJJ
- STL
1 stop31h 45m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$580
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 7/275:29 pm
STL
- ZAG
2 stops23h 16m
United Airlines
Thu 8/205:45 am
ZAG
- STL
2 stops23h 21m
United Airlines
Deal found 2/9![United Airlines logo]()
$606
This Air Canada deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 4/134:05 pm
STL
- ZAG
2 stops22h 30m
Multiple Airlines
Fri 4/246:05 am
ZAG
- STL
2 stops40h 19m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$617
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Fri 4/241:29 pm
STL
- TIA
2 stops26h 31m
British Airways
Tue 5/128:30 am
TIA
- STL
2 stops20h 49m
British Airways
Deal found 2/10![British Airways logo]()
$579
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/66:32 am
STL
- ATH
2 stops17h 18m
Delta
Wed 4/2210:05 am
ATH
- STL
2 stops31h 37m
Delta
Deal found 2/11![Delta logo]()
$784
This FlightHub deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 4/83:30 pm
STL
- OTP
1 stop16h 50m
Lufthansa
Wed 4/151:45 pm
OTP
- STL
2 stops17h 11m
Lufthansa
Deal found 2/12![Lufthansa logo]()
$601
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/510:00 am
STL
- SJJ
2 stops18h 55m
United Airlines
Sun 4/196:15 am
SJJ
- STL
1 stop14h 10m
United Airlines
Deal found 2/10![United Airlines logo]()
$614
This KLM deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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.
Mon 4/610:12 am
STL
- ATH
1 stop16h 48m
KLM
Wed 4/229:10 am
ATH
- STL
1 stop20h 09m
KLM
Deal found 2/12![KLM logo]()
$780
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Wed 4/299:10 am
STL
- SPU
3 stops19h 25m
Air Canada
Sat 5/98:25 am
SPU
- STL
2 stops18h 39m
Air Canada
Deal found 2/9![Air Canada logo]()
$873
This FlightHub deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/53:30 pm
STL
- SJJ
1 stop13h 25m
Lufthansa
Sun 4/196:15 am
SJJ
- STL
1 stop14h 10m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$608
Last-minute flights from St. Louis to Southeast EuropeDiscover last-minute flight deals from St. Louis to Southeast Europe. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Southeast Europe. Data last updated February 13, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/34:49 pm
STL
- ATH
2 stops24h 51m
Lufthansa
Mon 3/96:25 am
ATH
- STL
2 stops24h 26m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$667
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/107:00 pm
STL
- ATH
2 stops32h 40m
United Airlines
Tue 3/171:10 pm
ATH
- STL
2 stops32h 32m
United Airlines
Deal found 2/10![United Airlines logo]()
$479
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Tue 3/108:17 am
STL
- ATH
2 stops18h 03m
Air Canada
Tue 3/171:10 pm
ATH
- STL
1 stop33h 19m
Air Canada
Deal found 2/10![Air Canada logo]()
$492
This Ovago deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/107:00 am
STL
- ATH
1 stop19h 05m
Lufthansa
Tue 3/171:10 pm
ATH
- STL
1 stop33h 19m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$539
This KAYAK deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/1212:04 pm
STL
- ATH
1 stop14h 51m
Multiple Airlines
Thu 3/1911:50 am
ATH
- STL
2 stops28h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/167:40 am
STL
- SJJ
2 stops24h 20m
United Airlines
Mon 3/3012:45 pm
SJJ
- STL
2 stops33h 39m
United Airlines
Deal found 2/12![United Airlines logo]()
$651
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/224:50 pm
STL
- SJJ
1 stop14h 00m
Lufthansa
Fri 4/106:25 am
SJJ
- STL
1 stop14h 00m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$578
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/228:17 am
STL
- SJJ
2 stops22h 33m
United Airlines
Fri 4/106:25 am
SJJ
- STL
2 stops39h 59m
United Airlines
Deal found 2/10![United Airlines logo]()
$597
This FlightHub deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/224:05 pm
STL
- SJJ
2 stops37h 50m
Multiple Airlines
Fri 4/106:25 am
SJJ
- STL
2 stops39h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/257:00 pm
STL
- ZAG
2 stops21h 25m
Lufthansa
Fri 4/36:05 am
ZAG
- STL
1 stop14h 20m
Lufthansa
Deal found 2/12![Lufthansa logo]()
$555
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:50 pm
STL
- SJJ
1 stop13h 05m
Multiple Airlines
Tue 5/56:15 am
SJJ
- STL
2 stops20h 50m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/254:50 pm
STL
- SJJ
1 stop13h 05m
United Airlines
Tue 5/56:15 am
SJJ
- STL
3 stops41h 42m
United Airlines
Deal found 2/12![United Airlines logo]()
$666
One-way flights from St. Louis to Southeast EuropeSearch for one-way flight options from St. Louis to Southeast Europe. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from St. Louis to Southeast Europe. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This FlightHub deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Tue 5/127:05 am
STL
- ZAG
2 stops22h 00m
British Airways
Deal found 2/9![British Airways logo]()
$241
This KLM deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Mon 5/181:50 pm
STL
- TIA
2 stops22h 30m
KLM
Deal found 2/9![KLM logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:12 pm
STL
- ZAG
3 stops40h 43m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:12 pm
STL
- ZAG
3 stops56h 23m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:55 pm
STL
- ZAG
3 stops45h 40m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 7/213:30 pm
STL
- ATH
2 stops23h 00m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$400
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/204:05 pm
STL
- ATH
1 stop34h 15m
Air Canada
Deal found 2/11![Air Canada logo]()
$403
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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.
Fri 3/208:00 am
STL
- ATH
2 stops28h 15m
British Airways
Deal found 2/11![British Airways logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:12 pm
STL
- ATH
3 stops45h 03m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 5/152:20 pm
STL
- ZAG
2 stops50h 10m
United Airlines
Deal found 2/12![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/157:41 am
STL
- SJJ
2 stops23h 09m
United Airlines
Deal found 2/11![United Airlines logo]()
$464
This KLM deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/276:04 pm
STL
- SPU
2 stops21h 51m
KLM
Deal found 2/11![KLM logo]()
$489
Find flight deals from St. Louis to Southeast Europe
Keep the following information in mind while searching for St. Louis to Southeast Europe flight deals. Data was last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $479 (United Airlines) |
One-way from | $241 (FlightHub) |
Popular in | May |
Cheapest in | January |
Average price | $631 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Southeast 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 February 13, 2026.
Use the filters below to find and compare flights from St. Louis to Southeast Europe that are best for you.
Fly from
St. Louis
Fly to
Southeast Europe
Route
Depart
Return
Price
St. LouisTirana
STL - TIA
STLTIA
Lambert-St Louis
Tue 4/14
4:30 pm-11:30 pm
2 stops24h 00m
Tirana Rinas
Tue 4/28
8:30 am-10:17 pm
2 stops20h 47m
$529
St. LouisBucharest
STL - OTP
STLOTP
Lambert-St Louis
Sun 4/19
5:21 pm-12:50 am
2 stops23h 29m
Bucharest Otopeni Intl
Tue 4/28
6:10 pm-4:41 pm
2 stops30h 31m
$538
St. LouisTirana
STL - TIA
STLTIA
Lambert-St Louis
Mon 4/27
7:05 am-12:10 pm
2 stops22h 05m
Tirana Rinas
Mon 5/11
12:50 pm-7:33 pm
2 stops37h 43m
$543
St. LouisSarajevo
STL - SJJ
STLSJJ
Lambert-St Louis
Sun 4/5
4:05 pm-11:55 am
2 stops36h 50m
Sarajevo Butmir
Tue 4/21
2:55 pm-3:24 pm
2 stops55h 29m
$547
St. LouisBucharest
STL - OTP
STLOTP
Lambert-St Louis
Sun 4/19
3:30 pm-1:05 pm
1 stop13h 35m
Bucharest Otopeni Intl
Tue 4/28
6:05 am-9:08 pm
2 stops23h 03m
$553
St. LouisBucharest
STL - OTP
STLOTP
Lambert-St Louis
Wed 4/8
8:03 pm-12:20 am
2 stops20h 17m
Bucharest Otopeni Intl
Wed 4/15
8:15 am-10:17 pm
2 stops22h 02m
$553
St. LouisBucharest
STL - OTP
STLOTP
Lambert-St Louis
Wed 4/8
9:10 am-12:50 pm
2 stops19h 40m
Bucharest Otopeni Intl
Wed 4/15
6:05 am-1:25 pm
1 stop15h 20m
$554
St. LouisBucharest
STL - OTP
STLOTP
Lambert-St Louis
Wed 4/8
8:03 pm-12:20 am
2 stops20h 17m
Bucharest Otopeni Intl
Wed 4/15
8:15 am-10:59 pm
2 stops22h 44m
$555
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Wed 3/25
7:00 pm-10:25 pm
2 stops21h 25m
Zagreb Franjo Tuđman
Fri 4/3
6:05 am-1:25 pm
1 stop14h 20m
$555
St. LouisBucharest
STL - OTP
STLOTP
Lambert-St Louis
Wed 4/8
8:54 am-12:20 am
2 stops31h 26m
Bucharest Otopeni Intl
Wed 4/15
4:15 pm-11:46 pm
2 stops39h 31m
$562
Showing 1-10 of 60 results
Best time to book a flight from St. Louis to Southeast Europe
Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from St. Louis with our price prediction graph.
STL-ZAG
STL-TIA
STL-ATH
STL-SJJ
STL-SPU
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 Southeast Europe
STL-zzYMH
STL-ZAG
STL-TIA
STL-ATH
STL-SJJ
What is the cheapest month to book a flight from St. Louis to Southeast Europe?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Southeast Europe (average of $483). Flying from St. Louis to Southeast Europe in June is currently the most expensive (average of $869). 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.
Reviews of airlines servicing Southeast Europe
Get insights into the airlines that provide service to Southeast 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 Southeast Europe. Reviews last updated February 13, 2026.
See what other customers who have flown with Delta, KLM, and United Airlines from St. Louis to Southeast Europe have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Southeast 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 Southeast Europe
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Complete your trip
Complete your trip to Southeast Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Southeast Europe by cabin class
Find flights from St. Louis to Southeast Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Southeast Europe flights
Browse other St. Louis and Southeast Europe flight options. Last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Southeast Europe flights
Consider these flights traveling from St. Louis to Southeast Europe.
Top 7 airlines flying from St. Louis to Southeast Europe
Discover the top 7 airlines that operate flights from St. Louis to Southeast 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$1,144 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$504 | Average$841 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$520 | Average$1,103 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$558 | Average$971 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$560 | Average$913 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$580 | Average$1,126 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$653 | Average$993 | FlexibilityNo cancel fee | On-time75% |