$368+ Cheap flights from Bulgaria to Chicago (CHI)
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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — CHI
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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Cheapest flights from Bulgaria to ChicagoExplore the most affordable flight options available from Bulgaria to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
Explore the most affordable flight options available from Bulgaria to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 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.
Wed 9/95:25 am
SOF
- ORD
1 stop22h 25m
LOT
Wed 9/305:10 pm
ORD
- SOF
1 stop12h 40m
LOT
Deal found 6/6![LOT logo]()
$726
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.
Wed 9/236:45 pm
SOF
- ORD
1 stop28h 25m
LOT
Fri 10/165:10 pm
ORD
- SOF
1 stop16h 50m
LOT
Deal found 6/5![LOT logo]()
$732
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:45 pm
SOF
- ORD
1 stop33h 05m
LOT
Mon 9/285:10 pm
ORD
- SOF
1 stop16h 50m
LOT
Deal found 6/4![LOT logo]()
$738
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:25 am
SOF
- ORD
2 stops41h 45m
LOT
Sat 10/39:50 pm
ORD
- SOF
1 stop12h 10m
LOT
Deal found 6/4![LOT logo]()
$750
This LOT 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:45 pm
SOF
- ORD
1 stop28h 25m
LOT
Thu 9/179:50 pm
ORD
- SOF
1 stop20h 05m
LOT
Deal found 6/7![LOT logo]()
$775
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:45 pm
SOF
- ORD
2 stops52h 25m
LOT
Wed 10/149:50 pm
ORD
- SOF
1 stop12h 10m
LOT
Deal found 6/3![LOT logo]()
$784
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am
SOF
- MDW
2 stops19h 33m
KLM
Sat 10/311:25 am
MDW
- SOF
2 stops18h 35m
KLM
Deal found 6/5![KLM logo]()
$815
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
SOF
- MDW
2 stops19h 11m
KLM
Wed 10/141:05 pm
MDW
- SOF
2 stops16h 55m
KLM
Deal found 6/6![KLM logo]()
$829
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:45 am
VAR
- ORD
1 stop16h 10m
Lufthansa
Tue 9/16:00 pm
ORD
- VAR
1 stop18h 45m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$846
This Lufthansa deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:15 am
VAR
- ORD
1 stop17h 40m
Multiple Airlines
Thu 7/234:20 pm
ORD
- VAR
1 stop12h 25m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$854
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:20 pm
VAR
- ORD
1 stop31h 35m
Lufthansa
Tue 9/16:00 pm
ORD
- VAR
1 stop18h 45m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$867
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:20 am
VAR
- ORD
1 stop13h 35m
Multiple Airlines
Fri 7/107:05 pm
ORD
- VAR
1 stop30h 35m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$870
Best flights from Bulgaria to ChicagoDiscover carefully curated flight deals from Bulgaria to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
Discover carefully curated flight deals from Bulgaria to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
This KLM deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/97:00 am
SOF
- ORD
2 stops19h 07m
Multiple Airlines
Wed 9/3012:40 pm
ORD
- SOF
2 stops17h 20m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$814
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SOF
- ORD
2 stops18h 41m
KLM
Wed 9/301:55 pm
ORD
- SOF
2 stops16h 05m
KLM
Deal found 6/5![KLM logo]()
$815
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.
Thu 8/276:30 am
SOF
- ORD
1 stop16h 25m
United Airlines
Sun 9/203:35 pm
ORD
- SOF
1 stop19h 05m
United Airlines
Deal found 6/7![United Airlines logo]()
$841
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:30 pm
VAR
- ORD
1 stop23h 05m
Lufthansa
Tue 9/16:00 pm
ORD
- VAR
1 stop18h 45m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$870
This KLM deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
Thu 9/177:00 am
SOF
- MDW
2 stops19h 33m
KLM
Mon 12/141:00 pm
MDW
- SOF
2 stops17h 05m
KLM
Deal found 6/2![KLM logo]()
$819
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 7/186:20 am
SOF
- ORD
1 stop21h 35m
United Airlines
Sat 7/251:30 pm
ORD
- SOF
2 stops25h 45m
United Airlines
Deal found 6/7![United Airlines logo]()
$841
This Lufthansa deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:15 am
VAR
- ORD
1 stop17h 40m
Multiple Airlines
Thu 7/234:20 pm
ORD
- VAR
1 stop12h 25m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$854
This Lufthansa deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:15 am
VAR
- ORD
1 stop17h 40m
Lufthansa
Thu 7/234:05 pm
ORD
- VAR
2 stops15h 10m
Lufthansa
Deal found 6/2![Lufthansa logo]()
$879
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
SOF
- MDW
2 stops19h 11m
KLM
Wed 10/141:05 pm
MDW
- SOF
2 stops16h 55m
KLM
Deal found 6/6![KLM logo]()
$829
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.
Thu 7/166:30 am
SOF
- ORD
1 stop21h 25m
United Airlines
Wed 7/299:40 pm
ORD
- SOF
1 stop17h 35m
United Airlines
Deal found 6/4![United Airlines logo]()
$847
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.
Tue 7/2811:45 am
VAR
- ORD
1 stop16h 10m
Multiple Airlines
Tue 9/112:56 pm
ORD
- VAR
2 stops18h 19m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$874
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 7/86:20 am
SOF
- ORD
1 stop12h 40m
United Airlines
Thu 8/133:35 pm
ORD
- SOF
1 stop12h 35m
United Airlines
Deal found 6/5![United Airlines logo]()
$848
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:15 pm
VAR
- ORD
2 stops15h 40m
Multiple Airlines
Tue 9/112:56 pm
ORD
- VAR
2 stops18h 19m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$892
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.
Tue 7/212:10 pm
SOF
- ORD
1 stop13h 45m
United Airlines
Sat 10/317:00 pm
ORD
- SOF
1 stop11h 15m
United Airlines
Deal found 6/6![United Airlines logo]()
$848
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:20 am
VAR
- ORD
1 stop18h 35m
Lufthansa
Sat 9/510:30 pm
ORD
- VAR
2 stops29h 00m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$1,065
This FlightHub deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/189:20 am
VAR
- ORD
1 stop35h 35m
Multiple Airlines
Fri 8/74:20 pm
ORD
- VAR
1 stop14h 55m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$900
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:00 am
SOF
- MDW
2 stops19h 18m
KLM
Tue 7/141:18 pm
MDW
- SOF
2 stops16h 42m
KLM
Deal found 6/5![KLM logo]()
$1,010
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.
Tue 6/236:10 am
SOF
- ORD
2 stops20h 45m
United Airlines
Tue 7/146:30 pm
ORD
- SOF
1 stop15h 30m
United Airlines
Deal found 6/7![United Airlines logo]()
$848
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:15 am
VAR
- ORD
1 stop17h 40m
Multiple Airlines
Fri 8/284:20 pm
ORD
- VAR
1 stop14h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$916
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:00 am
SOF
- MDW
2 stops19h 25m
KLM
Wed 7/291:18 pm
MDW
- SOF
2 stops16h 42m
KLM
Deal found 6/5![KLM logo]()
$1,014
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.
Mon 7/136:20 am
SOF
- ORD
1 stop12h 40m
United Airlines
Tue 8/186:00 pm
ORD
- SOF
1 stop21h 15m
United Airlines
Deal found 6/4![United Airlines logo]()
$849
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:00 am
SOF
- MDW
2 stops19h 18m
KLM
Tue 7/141:18 pm
MDW
- SOF
2 stops16h 42m
KLM
Deal found 6/5![KLM logo]()
$1,014
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:30 am
VAR
- ORD
1 stop33h 30m
Multiple Airlines
Fri 8/284:20 pm
ORD
- VAR
1 stop14h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$936
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:00 am
SOF
- MDW
2 stops19h 18m
KLM
Wed 7/81:18 pm
MDW
- SOF
2 stops16h 42m
KLM
Deal found 6/4![KLM logo]()
$1,046
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:00 am
SOF
- MDW
2 stops19h 18m
Multiple Airlines
Mon 7/131:18 pm
MDW
- SOF
2 stops16h 42m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,005
This KLM deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
Thu 9/177:00 am
SOF
- MDW
2 stops19h 33m
KLM
Fri 12/111:00 pm
MDW
- SOF
2 stops17h 05m
KLM
Deal found 6/2![KLM logo]()
$1,067
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:00 am
SOF
- MDW
2 stops19h 18m
Multiple Airlines
Mon 7/131:49 pm
MDW
- SOF
2 stops16h 11m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,009
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:00 am
SOF
- MDW
2 stops17h 16m
Multiple Airlines
Mon 7/131:49 pm
MDW
- SOF
2 stops16h 11m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,009
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:20 am
VAR
- ORD
1 stop18h 35m
Multiple Airlines
Sat 9/54:20 pm
ORD
- VAR
1 stop12h 25m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,034
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:20 am
VAR
- ORD
1 stop18h 35m
Multiple Airlines
Fri 8/284:20 pm
ORD
- VAR
1 stop14h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,061
Last-minute flights from Bulgaria to ChicagoDiscover last-minute flight deals from Bulgaria to Chicago. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Bulgaria to Chicago. Data last updated June 7, 2026 and is based on user searches.
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.
Mon 6/153:50 pm
SOF
- ORD
1 stop25h 50m
Turkish Airlines
Sat 7/258:10 pm
ORD
- SOF
1 stop16h 10m
Turkish Airlines
Deal found 6/5![Turkish Airlines logo]()
$800
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:35 pm
SOF
- ORD
1 stop13h 15m
LOT
Sat 7/115:10 pm
ORD
- SOF
1 stop16h 50m
LOT
Deal found 6/6![LOT logo]()
$833
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:05 pm
SOF
- ORD
1 stop34h 50m
SWISS
Mon 7/137:05 pm
ORD
- SOF
1 stop31h 15m
SWISS
Deal found 6/5![SWISS logo]()
$836
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:20 am
VAR
- ORD
1 stop13h 35m
Multiple Airlines
Fri 7/107:05 pm
ORD
- VAR
1 stop30h 35m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$870
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:20 am
SOF
- ORD
1 stop21h 35m
Multiple Airlines
Mon 8/312:20 pm
ORD
- SOF
1 stop13h 55m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$828
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:45 pm
SOF
- ORD
1 stop28h 25m
LOT
Thu 8/139:50 pm
ORD
- SOF
1 stop32h 05m
LOT
Deal found 6/3![LOT logo]()
$832
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:45 pm
SOF
- ORD
2 stops52h 25m
LOT
Fri 8/288:10 pm
ORD
- SOF
1 stop13h 50m
LOT
Deal found 6/6![LOT logo]()
$818
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:20 am
SOF
- ORD
1 stop21h 35m
Lufthansa
Fri 7/249:40 pm
ORD
- SOF
1 stop17h 35m
Lufthansa
Deal found 6/3![Lufthansa logo]()
$831
This Lufthansa deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:15 am
VAR
- ORD
1 stop17h 40m
Multiple Airlines
Thu 7/234:20 pm
ORD
- VAR
1 stop12h 25m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$854
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:25 am
SOF
- ORD
1 stop22h 25m
LOT
Mon 8/249:50 pm
ORD
- SOF
1 stop32h 05m
LOT
Deal found 6/3![LOT logo]()
$808
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:20 pm
VAR
- ORD
1 stop31h 35m
Lufthansa
Tue 9/16:00 pm
ORD
- VAR
1 stop18h 45m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$867
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:45 am
VAR
- ORD
1 stop16h 10m
Lufthansa
Tue 9/16:00 pm
ORD
- VAR
1 stop18h 45m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$846
One-way flights from Bulgaria to ChicagoSearch for one-way flight options from Bulgaria to Chicago. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
Search for one-way flight options from Bulgaria to Chicago. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:45 am
SOF
- ORD
3 stops38h 05m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$368
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.
Tue 8/1810:45 am
BOJ
- ORD
3 stops39h 05m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$452
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.
Mon 8/242:55 pm
BOJ
- ORD
3 stops58h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$480
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.
Tue 8/184:05 pm
SOF
- ORD
3 stops57h 45m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$511
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:25 pm
SOF
- ORD
1 stop26h 30m
British Airways
Deal found 6/6![British Airways logo]()
$520
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:10 pm
SOF
- ORD
2 stops28h 03m
British Airways
Deal found 6/3![British Airways logo]()
$526
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:30 pm
SOF
- ORD
3 stops52h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$527
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
VAR
- ORD
3 stops46h 15m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$528
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
VAR
- ORD
3 stops32h 15m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$534
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:05 am
VAR
- ORD
3 stops41h 10m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$535
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:45 pm
VAR
- ORD
2 stops50h 30m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$539
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 8/2110:50 pm
BOJ
- ORD
3 stops30h 35m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$541
Find flight deals from Bulgaria to Chicago
Keep the following information in mind while searching for Bulgaria to Chicago flight deals. Data was last updated June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $726 (oojo) |
One-way from | $368 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $750 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bulgaria to Chicago 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 7, 2026.
Use the filters below to find and compare flights from Bulgaria to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SofiaChicago
SOF - ORD
SOFORD
Sofia
Wed 9/9
7:00 am-6:07 pm
2 stops19h 07m
Chicago O'Hare Intl
Wed 9/30
12:40 pm-2:00 pm
2 stops17h 20m
$814
SofiaChicago
SOF - ORD
SOFORD
Sofia
Wed 9/9
7:00 am-5:41 pm
2 stops18h 41m
Chicago O'Hare Intl
Wed 9/30
1:55 pm-2:00 pm
2 stops16h 05m
$815
SofiaChicago
SOF - MDW
SOFMDW
Sofia
Thu 9/17
7:00 am-6:33 pm
2 stops19h 33m
Chicago Midway
Mon 12/14
1:00 pm-2:05 pm
2 stops17h 05m
$819
SofiaChicago
SOF - MDW
SOFMDW
Sofia
Wed 9/23
7:00 am-6:11 pm
2 stops19h 11m
Chicago Midway
Wed 10/14
1:05 pm-2:00 pm
2 stops16h 55m
$829
SofiaChicago
SOF - ORD
SOFORD
Sofia
Thu 8/27
6:30 am-2:55 pm
1 stop16h 25m
Chicago O'Hare Intl
Sun 9/20
3:35 pm-6:40 pm
1 stop19h 05m
$841
SofiaChicago
SOF - ORD
SOFORD
Sofia
Sat 7/18
6:20 am-7:55 pm
1 stop21h 35m
Chicago O'Hare Intl
Sat 7/25
1:30 pm-11:15 pm
2 stops25h 45m
$841
SofiaChicago
SOF - ORD
SOFORD
Sofia
Thu 7/16
6:30 am-7:55 pm
1 stop21h 25m
Chicago O'Hare Intl
Wed 7/29
9:40 pm-11:15 pm
1 stop17h 35m
$847
SofiaChicago
SOF - ORD
SOFORD
Sofia
Wed 7/8
6:20 am-11:00 am
1 stop12h 40m
Chicago O'Hare Intl
Thu 8/13
3:35 pm-12:10 pm
1 stop12h 35m
$848
Quickest round-trip
SofiaChicago
SOF - ORD
SOFORD
Sofia
Tue 7/21
2:10 pm-7:55 pm
1 stop13h 45m
Chicago O'Hare Intl
Sat 10/31
7:00 pm-1:15 pm
1 stop11h 15m
$848
SofiaChicago
SOF - ORD
SOFORD
Sofia
Tue 6/23
6:10 am-6:55 pm
2 stops20h 45m
Chicago O'Hare Intl
Tue 7/14
6:30 pm-6:00 pm
1 stop15h 30m
$848
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Bulgaria to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Bulgaria with our price prediction graph.
SOF-ORD
BOJ-ORD
VAR-ORD
SOF-MDW
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 Bulgaria to Chicago
BG0-CHI
SOF-ORD
BOJ-ORD
VAR-ORD
SOF-MDW
What is the cheapest month to book a flight from Bulgaria to Chicago?
Currently, January is the cheapest month in which you can book a flight from Bulgaria to Chicago (average of $388). Flying from Bulgaria to Chicago in April is currently the most expensive (average of $654). 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 far ahead should I book a flight from Bulgaria to Chicago?
To ensure you get the cheapest price possible for a flight from Bulgaria to Chicago, you should look to book at least 43 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 Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated June 7, 2026.
Peruse reviews from past customers who have flown with KLM,LOT, andTurkish Airlines from Bulgaria to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Comfort
7.7
Entertainment
7.2
Boarding
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Bulgaria to Chicago. 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 Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Hammond
Porter
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Alternative routes for Bulgaria to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Bulgaria to Chicago by cabin class
Find flights from Bulgaria to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Bulgaria and Chicago flights
Browse other Bulgaria and Chicago flight options. Last updated on June 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Bulgaria to Chicago flights
Consider these flights traveling from Bulgaria to Chicago.
Top 6 airlines flying from Bulgaria to Chicago
Discover the top 6 airlines that operate flights from Bulgaria to Chicago. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$594 | Average$832 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$629 | Average$743 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$652 | Average$769 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$658 | Average$866 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$685 | Average$778 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$710 | Average$829 | FlexibilityNo cancel fee | On-time76% |