$376+ Cheap flights from Bulgaria to O'Hare Intl (ORD)
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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Find cheap flights from Bulgaria to O'Hare Intl with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 Bulgaria to O'Hare Intl
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Cheapest flights from Bulgaria to O'Hare IntlExplore the most affordable flight options available from Bulgaria to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from Bulgaria to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:55 am
SOF
- ORD
1 stop30h 05m
Turkish Airlines
Sun 11/298:15 pm
ORD
- SOF
1 stop34h 55m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$803
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:35 pm
SOF
- ORD
2 stops56h 35m
LOT
Wed 9/309:50 pm
ORD
- SOF
1 stop12h 10m
LOT
Deal found 7/24![LOT logo]()
$804
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:30 am
SOF
- ORD
1 stop21h 25m
Lufthansa
Tue 9/1510:30 pm
ORD
- SOF
1 stop16h 20m
Lufthansa
Deal found 7/25![Lufthansa logo]()
$805
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:10 am
SOF
- ORD
2 stops21h 05m
Multiple Airlines
Tue 10/133:45 pm
ORD
- SOF
2 stops25h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$809
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:00 pm
SOF
- ORD
1 stop34h 20m
Turkish Airlines
Tue 3/211:45 am
ORD
- SOF
1 stop13h 05m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$816
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.
Thu 8/276:30 am
SOF
- ORD
1 stop14h 25m
Multiple Airlines
Tue 9/1512:55 pm
ORD
- SOF
2 stops14h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$817
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:35 pm
SOF
- ORD
2 stops32h 35m
LOT
Sat 10/39:50 pm
ORD
- SOF
1 stop12h 10m
LOT
Deal found 7/26![LOT logo]()
$818
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:20 am
SOF
- ORD
1 stop14h 35m
Lufthansa
Sat 11/79:50 pm
ORD
- SOF
1 stop16h 55m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$820
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:40 pm
SOF
- ORD
3 stops30h 08m
Multiple Airlines
Wed 9/308:45 am
ORD
- SOF
3 stops26h 20m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$821
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:05 am
SOF
- ORD
1 stop33h 30m
SWISS
Thu 9/247:05 pm
ORD
- SOF
1 stop33h 50m
SWISS
Deal found 7/27![SWISS logo]()
$826
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:05 am
SOF
- ORD
1 stop12h 50m
Multiple Airlines
Wed 9/236:30 pm
ORD
- SOF
1 stop20h 20m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$833
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 9/2010:25 am
VAR
- ORD
1 stop34h 10m
Multiple Airlines
Sun 9/274:20 pm
ORD
- VAR
1 stop14h 55m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$846
Best flights from Bulgaria to O'Hare IntlDiscover carefully curated flight deals from Bulgaria to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Bulgaria to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:45 pm
SOF
- ORD
1 stop20h 15m
Turkish Airlines
Sun 3/79:15 pm
ORD
- SOF
1 stop15h 40m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$817
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.
Thu 9/106:30 am
SOF
- ORD
1 stop14h 25m
United Airlines
Wed 9/2310:30 pm
ORD
- SOF
1 stop16h 20m
United Airlines
Deal found 7/25![United Airlines logo]()
$839
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:45 am
VAR
- ORD
2 stops18h 10m
Multiple Airlines
Fri 9/254:20 pm
ORD
- VAR
1 stop14h 55m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$867
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:45 pm
SOF
- ORD
1 stop28h 35m
Turkish Airlines
Sun 3/79:15 pm
ORD
- SOF
1 stop15h 40m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$817
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.
Fri 10/166:20 am
SOF
- ORD
2 stops19h 00m
United Airlines
Sat 11/71:55 pm
ORD
- SOF
2 stops15h 20m
United Airlines
Deal found 7/26![United Airlines logo]()
$843
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:35 pm
VAR
- ORD
2 stops31h 20m
Multiple Airlines
Sun 9/273:35 pm
ORD
- VAR
1 stop11h 55m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$867
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:45 pm
SOF
- ORD
1 stop20h 15m
Turkish Airlines
Sun 3/79:15 pm
ORD
- SOF
1 stop15h 40m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$817
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:10 pm
SOF
- ORD
2 stops17h 30m
United Airlines
Fri 8/281:55 pm
ORD
- SOF
2 stops25h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$845
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:25 pm
VAR
- ORD
1 stop20h 35m
Turkish Airlines
Tue 11/1711:45 am
ORD
- VAR
1 stop13h 30m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$926
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.
Sun 9/209:20 am
VAR
- ORD
1 stop16h 55m
Turkish Airlines
Sun 9/278:10 pm
ORD
- VAR
1 stop17h 15m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$1,131
Last-minute flights from Bulgaria to O'Hare IntlDiscover last-minute flight deals from Bulgaria to O'Hare Intl. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Bulgaria to O'Hare Intl. Data last updated July 27, 2026 and is based on user searches.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:10 am
SOF
- ORD
2 stops35h 24m
United Airlines
Fri 8/286:15 am
ORD
- SOF
2 stops33h 00m
United Airlines
Deal found 7/22![United Airlines logo]()
$845
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:05 am
SOF
- ORD
1 stop33h 30m
SWISS
Thu 9/247:05 pm
ORD
- SOF
1 stop33h 50m
SWISS
Deal found 7/27![SWISS logo]()
$826
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 8/191:50 pm
SOF
- ORD
2 stops17h 50m
United Airlines
Mon 9/216:00 pm
ORD
- SOF
1 stop21h 15m
United Airlines
Deal found 7/27![United Airlines logo]()
$843
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 8/191:50 pm
SOF
- ORD
2 stops17h 50m
United Airlines
Sat 9/264:05 pm
ORD
- SOF
1 stop12h 55m
United Airlines
Deal found 7/27![United Airlines logo]()
$844
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 8/191:50 pm
SOF
- ORD
2 stops17h 50m
United Airlines
Sun 9/208:42 am
ORD
- SOF
2 stops18h 58m
United Airlines
Deal found 7/27![United Airlines logo]()
$847
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.
Thu 8/206:30 am
SOF
- ORD
2 stops23h 30m
United Airlines
Wed 6/26:30 pm
ORD
- SOF
1 stop20h 20m
United Airlines
Deal found 7/25![United Airlines logo]()
$851
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:10 am
SOF
- ORD
1 stop15h 50m
Lufthansa
Wed 6/23:10 pm
ORD
- SOF
1 stop11h 50m
Lufthansa
Deal found 7/25![Lufthansa logo]()
$853
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:30 am
SOF
- ORD
1 stop21h 25m
Lufthansa
Tue 9/1510:30 pm
ORD
- SOF
1 stop16h 20m
Lufthansa
Deal found 7/25![Lufthansa logo]()
$805
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.
Thu 8/276:30 am
SOF
- ORD
1 stop14h 25m
Multiple Airlines
Tue 9/1512:55 pm
ORD
- SOF
2 stops14h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$817
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.
Thu 8/276:30 am
SOF
- ORD
1 stop16h 25m
United Airlines
Tue 9/156:00 pm
ORD
- SOF
1 stop16h 40m
United Airlines
Deal found 7/25![United Airlines logo]()
$838
One-way flights from Bulgaria to O'Hare IntlSearch for one-way flight options from Bulgaria to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Bulgaria to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:45 am
SOF
- ORD
3 stops38h 05m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$376
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:30 am
SOF
- ORD
3 stops43h 20m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$401
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:30 pm
SOF
- ORD
3 stops50h 55m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$408
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:05 pm
SOF
- ORD
3 stops53h 20m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$414
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 10/314:55 pm
SOF
- ORD
2 stops30h 35m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$430
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:10 pm
SOF
- ORD
3 stops31h 49m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$456
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:05 pm
SOF
- ORD
3 stops38h 20m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$457
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:35 am
SOF
- ORD
3 stops36h 25m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$465
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.
Tue 9/14:00 pm
SOF
- ORD
3 stops52h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$467
Find flight deals from Bulgaria to O'Hare Intl
Keep the following information in mind while searching for Bulgaria to O'Hare Intl flight deals. Data was last updated July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $803 (CheapOair) |
One-way from | $376 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $859 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bulgaria to O'Hare Intl 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 27, 2026.
Use the filters below to find and compare flights from Bulgaria to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SofiaChicago
SOF - ORD
SOFORD
Sofia
Thu 12/10
9:45 pm-10:00 am
1 stop20h 15m
Chicago O'Hare Intl
Sun 3/7
9:15 pm-8:55 pm
1 stop15h 40m
$817
SofiaChicago
SOF - ORD
SOFORD
Sofia
Mon 12/7
9:45 pm-6:20 pm
1 stop28h 35m
Chicago O'Hare Intl
Sun 3/7
9:15 pm-8:55 pm
1 stop15h 40m
$817
SofiaChicago
SOF - ORD
SOFORD
Sofia
Sun 12/6
9:45 pm-10:00 am
1 stop20h 15m
Chicago O'Hare Intl
Sun 3/7
9:15 pm-8:55 pm
1 stop15h 40m
$817
Quickest round-trip
SofiaChicago
SOF - ORD
SOFORD
Sofia
Thu 9/10
6:30 am-12:55 pm
1 stop14h 25m
Chicago O'Hare Intl
Wed 9/23
10:30 pm-10:50 pm
1 stop16h 20m
$839
SofiaChicago
SOF - ORD
SOFORD
Sofia
Fri 10/16
6:20 am-5:20 pm
2 stops19h 00m
Chicago O'Hare Intl
Sat 11/7
1:55 pm-1:15 pm
2 stops15h 20m
$843
SofiaChicago
SOF - ORD
SOFORD
Sofia
Tue 8/11
2:10 pm-11:40 pm
2 stops17h 30m
Chicago O'Hare Intl
Fri 8/28
1:55 pm-11:15 pm
2 stops25h 20m
$845
VarnaChicago
VAR - ORD
VARORD
Varna
Fri 9/18
9:45 am-7:55 pm
2 stops18h 10m
Chicago O'Hare Intl
Fri 9/25
4:20 pm-3:15 pm
1 stop14h 55m
$867
VarnaChicago
VAR - ORD
VARORD
Varna
Sun 9/20
1:35 pm-12:55 pm
2 stops31h 20m
Chicago O'Hare Intl
Sun 9/27
3:35 pm-11:30 am
1 stop11h 55m
$867
VarnaChicago
VAR - ORD
VARORD
Varna
Mon 10/26
9:25 pm-11:00 am
1 stop20h 35m
Chicago O'Hare Intl
Tue 11/17
11:45 am-9:15 am
1 stop13h 30m
$926
VarnaChicago
VAR - ORD
VARORD
Varna
Sun 9/20
9:20 am-6:15 pm
1 stop16h 55m
Chicago O'Hare Intl
Sun 9/27
8:10 pm-9:25 pm
1 stop17h 15m
$1,131
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Bulgaria to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Bulgaria with our price prediction graph.
SOF-ORD
VAR-ORD
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 O'Hare Intl Airport
BG0-ORD
SOF-ORD
VAR-ORD
What is the cheapest month to book a flight from Bulgaria to Chicago O'Hare Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $707). Flying from Bulgaria to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $885). 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 O'Hare Intl Airport?
The price you pay for your flight from Bulgaria to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 27, 2026.
Read reviews from past customers who have flown KLM,LOT, andTurkish Airlines from Bulgaria to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.2
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Entertainment
7.2
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Entertainment
7.2
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Entertainment
7.2
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Entertainment
7.2
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Entertainment
7.2
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Related info for your journey
Find useful and relevant information for your journey from Bulgaria to O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Racine
Great Lakes
Janesville
Joliet
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Search flights from Bulgaria to O'Hare Intl by cabin class
Find flights from Bulgaria to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
Bulgaria and O'Hare Intl flights
Browse other Bulgaria and O'Hare Intl flight options. Last updated on July 27, 2026.
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Top 6 airlines flying from Bulgaria to O'Hare Intl
Discover the top 6 airlines that operate flights from Bulgaria to O'Hare Intl. 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$594 | Average$818 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$629 | Average$747 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$652 | Average$766 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$658 | Average$893 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$704 | Average$788 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$711 | Average$852 | FlexibilityNo cancel fee | On-time76% |