$403+ Cheap flights from Bulgaria to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Dec 13 — Dec 201
Round-trip
1 adult, Economy
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Find cheap flights from Bulgaria to O'Hare Intl 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
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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 November 13, 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 November 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Sun 12/132:35 pm -
1 stop13h 20m
Tue 3/99:50 pm -
1 stop12h 05m
Deal found 11/11![LOT logo]()
$808
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/1511:30 am -
2 stops36h 00m
Thu 3/49:50 pm -
1 stop12h 30m
Deal found 11/9![Multiple Airlines logo]()
$811
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:30 am -
2 stops36h 00m
Fri 3/124:20 pm -
1 stop11h 30m
Deal found 11/8![Multiple Airlines logo]()
$823
This Justfly.com deal was found by Cheapflights users on 11/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:35 pm -
1 stop13h 20m
Sat 3/69:50 pm -
1 stop12h 05m
Deal found 11/11![LOT logo]()
$824
This LOT deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:40 pm -
1 stop33h 15m
Thu 12/319:50 pm -
1 stop31h 55m
Deal found 11/8![LOT logo]()
$826
This Mytrip deal was found by Cheapflights users on 11/10. 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.
Mon 11/301:35 pm -
3 stops35h 45m
Wed 3/101:55 pm -
2 stops15h 30m
Deal found 11/10![Multiple Airlines logo]()
$827
This FlightHub deal was found by Cheapflights users on 11/9. 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 12/152:35 pm -
1 stop13h 20m
Sat 3/69:50 pm -
1 stop12h 05m
Deal found 11/9![LOT logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Wed 12/162:35 pm -
1 stop13h 20m
Tue 3/99:50 pm -
1 stop12h 05m
Deal found 11/11![LOT logo]()
$829
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Wed 12/162:35 pm -
1 stop13h 20m
Wed 3/109:50 pm -
1 stop12h 05m
Deal found 11/11![LOT logo]()
$831
This oojo deal was found by Cheapflights users on 11/12. 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.
Sun 12/132:35 pm -
1 stop13h 20m
Tue 12/299:50 pm -
1 stop12h 05m
Deal found 11/12![LOT logo]()
$832
This Expedia deal was found by Cheapflights users on 11/10. 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.
Fri 11/204:00 pm -
1 stop30h 00m
Fri 11/274:20 pm -
1 stop14h 55m
Deal found 11/10![Austrian Airlines logo]()
$965
This Justfly.com deal was found by Cheapflights users on 11/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:00 pm -
1 stop30h 00m
Mon 1/43:15 pm -
1 stop17h 40m
Deal found 11/12![Multiple Airlines logo]()
$1,057
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 November 13, 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 November 13, 2026.
This Turkish Airlines deal was found by Cheapflights users on 11/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:45 pm -
1 stop20h 15m
Tue 12/298:15 pm -
1 stop28h 25m
Deal found 11/10![Turkish Airlines logo]()
$882
This SWISS deal was found by Cheapflights users on 11/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/214:15 pm -
1 stop28h 25m
Tue 4/277:05 pm -
1 stop31h 15m
Deal found 11/12![SWISS logo]()
$887
This United Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:25 am -
1 stop14h 45m
Mon 3/810:25 am -
2 stops19h 00m
Deal found 11/8![United Airlines logo]()
$888
This Justfly.com deal was found by Cheapflights users on 11/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:00 pm -
1 stop30h 00m
Mon 1/43:15 pm -
1 stop17h 40m
Deal found 11/12![Multiple Airlines logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:10 pm -
1 stop13h 55m
Fri 1/12:02 pm -
2 stops24h 53m
Deal found 11/8![United Airlines logo]()
$888
This United Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:25 am -
1 stop21h 40m
Fri 3/121:30 pm -
2 stops15h 55m
Deal found 11/8![United Airlines logo]()
$888
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 12/126:25 am -
1 stop16h 55m
Mon 3/84:20 pm -
1 stop13h 05m
Deal found 11/9![United Airlines logo]()
$890
This Expedia deal was found by Cheapflights users on 11/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:00 pm -
2 stops29h 10m
Mon 1/49:50 pm -
2 stops33h 25m
Deal found 11/12![Multiple Airlines logo]()
$1,109
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 12/126:25 am -
1 stop16h 55m
Wed 3/103:15 pm -
1 stop14h 10m
Deal found 11/10![United Airlines logo]()
$891
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Mon 12/146:25 am -
1 stop16h 55m
Fri 3/54:20 pm -
1 stop13h 05m
Deal found 11/11![United Airlines logo]()
$894
This Mytrip deal was found by Cheapflights users on 11/12. 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.
Mon 2/19:50 pm -
3 stops27h 30m
Sat 2/206:30 pm -
3 stops22h 55m
Deal found 11/12![Multiple Airlines logo]()
$1,276
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Fri 1/226:25 am -
1 stop16h 55m
Mon 2/2212:51 pm -
2 stops16h 34m
Deal found 11/10![United Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 11/12. 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 1/206:25 am -
2 stops21h 27m
Sun 2/284:20 pm -
1 stop13h 05m
Deal found 11/12![United Airlines logo]()
$898
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Wed 1/206:25 am -
2 stops16h 27m
Sun 2/216:00 pm -
1 stop11h 15m
Deal found 11/11![United Airlines logo]()
$898
This Booking.com deal was found by Cheapflights users on 11/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:45 pm -
3 stops29h 35m
Mon 1/41:55 pm -
3 stops27h 35m
Deal found 11/12![Multiple Airlines logo]()
$1,455
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Fri 11/272:10 pm -
2 stops17h 51m
Wed 3/104:20 pm -
1 stop13h 05m
Deal found 11/10![United Airlines logo]()
$900
Last-minute flights from Bulgaria to O'Hare IntlDiscover last-minute flight deals from Bulgaria to O'Hare Intl. Data last updated November 13, 2026 and is based on user searches.
Discover last-minute flight deals from Bulgaria to O'Hare Intl. Data last updated November 13, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 11/10. 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.
Fri 11/204:00 pm -
1 stop30h 00m
Fri 11/274:20 pm -
1 stop14h 55m
Deal found 11/10![Austrian Airlines logo]()
$965
This Mytrip deal was found by Cheapflights users on 11/10. 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.
Mon 11/301:35 pm -
3 stops35h 45m
Wed 3/101:55 pm -
2 stops15h 30m
Deal found 11/10![Multiple Airlines logo]()
$827
This LOT deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:40 pm -
1 stop33h 15m
Thu 12/319:50 pm -
1 stop31h 55m
Deal found 11/8![LOT logo]()
$826
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Sun 12/132:35 pm -
1 stop13h 20m
Tue 3/99:50 pm -
1 stop12h 05m
Deal found 11/11![LOT logo]()
$808
This Justfly.com deal was found by Cheapflights users on 11/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:35 pm -
1 stop13h 20m
Sat 3/69:50 pm -
1 stop12h 05m
Deal found 11/11![LOT logo]()
$824
This oojo deal was found by Cheapflights users on 11/12. 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.
Sun 12/132:35 pm -
1 stop13h 20m
Tue 12/299:50 pm -
1 stop12h 05m
Deal found 11/12![LOT logo]()
$832
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/1511:30 am -
2 stops36h 00m
Thu 3/49:50 pm -
1 stop12h 30m
Deal found 11/9![Multiple Airlines logo]()
$811
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:30 am -
2 stops36h 00m
Fri 3/124:20 pm -
1 stop11h 30m
Deal found 11/8![Multiple Airlines logo]()
$823
This FlightHub deal was found by Cheapflights users on 11/9. 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 12/152:35 pm -
1 stop13h 20m
Sat 3/69:50 pm -
1 stop12h 05m
Deal found 11/9![LOT logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Wed 12/162:35 pm -
1 stop13h 20m
Sat 3/69:50 pm -
1 stop12h 05m
Deal found 11/11![LOT logo]()
$829
This Justfly.com deal was found by Cheapflights users on 11/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/214:00 pm -
2 stops29h 10m
Mon 1/43:15 pm -
1 stop17h 40m
Deal found 11/12![Lufthansa logo]()
$1,072
This Justfly.com deal was found by Cheapflights users on 11/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:00 pm -
1 stop30h 00m
Mon 1/43:15 pm -
1 stop17h 40m
Deal found 11/12![Multiple Airlines logo]()
$1,057
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 November 13, 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 November 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 1/217:10 am -
2 stops20h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sat 12/1210:10 pm -
2 stops25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sun 1/242:30 pm -
2 stops36h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Tue 1/198:15 am -
3 stops39h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Fri 1/2211:55 am -
2 stops39h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sat 1/2310:30 am -
2 stops37h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:55 am -
3 stops37h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 11/233:05 pm -
3 stops56h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Mon 1/256:30 pm -
2 stops32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$435
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 November 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $805 (Kiwi.com) |
One-way from | $403 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $986 |
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 7,457,451 searches. Data last updated November 13, 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 Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 11/23
3:05 pm-3:30 pm
3 stops56h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$431
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 1/24
10:00 pm-7:15 pm
3 stops29h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$443
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sat 11/21
10:10 pm-3:30 pm
2 stops25h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$459
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Fri 1/22
9:45 pm-2:55 pm
1 stop25h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$513
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 1/25
5:15 pm-1:45 pm
1 stop28h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$566
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 12/20
12:05 pm-5:20 pm
2 stops37h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$613
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Fri 12/4
5:00 am-2:45 pm
1 stop17h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$622
Quickest round-trip
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Fri 11/27
7:00 am-3:50 pm
1 stop16h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$676
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Wed 1/6
6:40 pm-7:55 pm
1 stop33h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$683
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 12/13
9:45 pm-10:00 am
1 stop20h 15m
Chicago O'Hare Intl
Tue 12/29
8:15 pm-8:40 am
1 stop28h 25m
$882
Showing 1-10 of 25 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, February is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $795). Flying from Bulgaria to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $958). 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 31 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 November 13, 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.
Boarding
7.8
Overall
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - 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
Naperville
Lake Geneva
Des Plaines
Glenview
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Schaumburg
Libertyville
Rockford
Hoffman Estates
Gurnee
Orland Park
South Holland
Beloit
Elgin
Racine
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Bulgaria to O'Hare Intl
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Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
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 November 13, 2026.
Bulgaria and O'Hare Intl flights
Browse other Bulgaria and O'Hare Intl flight options. Last updated on November 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated November 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$632 | Average$806 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$650 | Average$769 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$675 | Average$861 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$747 | Average$886 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$758 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$845 | Average$1,019 | FlexibilityNo cancel fee | On-time78% |