$393+ Cheap flights from Bulgaria to Chicago (CHI)
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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — CHI
Nov 21 — Nov 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Bulgaria to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bulgaria to Chicago
Cheapest
Best
Last-minute
One-way
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 October 22, 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 October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1210:55 am -
2 stops36h 35m
Sun 5/99:40 pm -
1 stop17h 25m
Deal found 10/21![Multiple Airlines logo]()
$811
This oojo deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 10/20![LOT logo]()
$813
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates ” 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 11/35:25 pm -
2 stops30h 05m
Wed 4/149:40 pm -
1 stop13h 05m
Deal found 10/21![Multiple Airlines logo]()
$818
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/2110:10 pm -
2 stops25h 20m
Thu 4/227:05 pm -
1 stop12h 00m
Deal found 10/21![Multiple Airlines logo]()
$822
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/2110:10 pm -
2 stops25h 20m
Fri 4/233:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$823
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1911:00 pm -
2 stops24h 30m
Mon 4/262:20 pm -
1 stop14h 20m
Deal found 10/21![Multiple Airlines logo]()
$824
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/245:25 pm -
2 stops30h 05m
Thu 4/227:05 pm -
1 stop12h 00m
Deal found 10/21![Multiple Airlines logo]()
$826
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/245:25 pm -
2 stops30h 05m
Fri 4/233:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$827
This Gotogate deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/136:25 am -
1 stop14h 45m
Thu 11/269:50 pm -
1 stop17h 05m
Deal found 10/21![Lufthansa logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1310:20 pm -
2 stops49h 10m
Sun 5/93:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$829
This Gotogate deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/56:25 am -
1 stop14h 45m
Wed 11/184:20 pm -
1 stop13h 05m
Deal found 10/19![Lufthansa logo]()
$830
This Austrian Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:00 pm -
1 stop30h 00m
Fri 11/131:30 pm -
2 stops17h 45m
Deal found 10/19![Austrian Airlines logo]()
$877
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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/206:25 am -
1 stop21h 40m
Fri 9/36:00 pm -
1 stop16h 40m
Deal found 10/18![United Airlines logo]()
$860
This British Airways deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sun 11/157:45 pm -
1 stop26h 00m
Fri 4/304:16 pm -
2 stops43h 54m
Deal found 10/21![British Airways logo]()
$865
This Austrian Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:00 pm -
1 stop30h 00m
Fri 11/131:30 pm -
2 stops17h 45m
Deal found 10/19![Austrian Airlines logo]()
$877
This Lufthansa deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/54:00 pm -
2 stops34h 25m
Mon 11/99:50 pm -
2 stops33h 25m
Deal found 10/20![Lufthansa logo]()
$1,292
This Mytrip deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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.
Fri 11/610:00 pm -
2 stops28h 25m
Fri 11/139:50 pm -
3 stops27h 00m
Deal found 10/19![Multiple Airlines logo]()
$1,307
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/62:10 pm -
1 stop13h 55m
Sat 12/266:05 pm -
1 stop20h 55m
Deal found 10/18![United Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/36:25 am -
1 stop16h 55m
Thu 12/108:45 am -
2 stops20h 30m
Deal found 10/19![United Airlines logo]()
$862
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:25 am -
2 stops20h 17m
Mon 4/261:12 pm -
2 stops14h 58m
Deal found 10/19![United Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/172:10 pm -
2 stops17h 51m
Sat 1/307:05 am -
2 stops22h 10m
Deal found 10/18![United Airlines logo]()
$868
This Austrian Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm -
1 stop30h 00m
Mon 11/94:20 pm -
1 stop14h 55m
Deal found 10/20![Austrian Airlines logo]()
$1,240
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/132:10 pm -
1 stop13h 55m
Thu 11/269:50 pm -
1 stop17h 05m
Deal found 10/21![United Airlines logo]()
$872
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/26:00 am -
1 stop20h 25m
Wed 11/186:00 pm -
1 stop11h 15m
Deal found 10/19![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/147:55 am -
1 stop14h 05m
Mon 12/1410:35 am -
2 stops18h 40m
Deal found 10/19![United Airlines logo]()
$875
Last-minute flights from Bulgaria to ChicagoDiscover last-minute flight deals from Bulgaria to Chicago. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Bulgaria to Chicago. Data last updated October 22, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sun 11/12:00 pm -
2 stops34h 15m
Sun 12/278:50 pm -
2 stops43h 05m
Deal found 10/21![Multiple Airlines logo]()
$957
This Trip.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 pm -
1 stop33h 05m
Sun 12/276:05 pm -
1 stop20h 55m
Deal found 10/21![Lufthansa logo]()
$1,040
This Iberia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:00 pm -
1 stop31h 55m
Sat 4/174:55 pm -
1 stop13h 35m
Deal found 10/21![Iberia logo]()
$1,396
This LOT deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sun 11/12:35 pm -
1 stop13h 20m
Tue 4/139:50 pm -
1 stop12h 10m
Deal found 10/21![LOT logo]()
$1,403
This Austrian Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm -
1 stop30h 00m
Mon 11/94:20 pm -
1 stop14h 55m
Deal found 10/20![Austrian Airlines logo]()
$1,240
This Lufthansa deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/54:00 pm -
2 stops34h 25m
Mon 11/99:50 pm -
2 stops33h 25m
Deal found 10/20![Lufthansa logo]()
$1,292
This Austrian Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:00 pm -
1 stop30h 00m
Fri 11/131:30 pm -
2 stops17h 45m
Deal found 10/19![Austrian Airlines logo]()
$877
This Expedia deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/64:00 pm -
1 stop30h 00m
Fri 11/1310:35 pm -
1 stop34h 25m
Deal found 10/19![Multiple Airlines logo]()
$896
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 October 22, 2026.
Search for one-way flight options from Bulgaria to Chicago. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/99:00 pm -
2 stops50h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/108:15 am -
3 stops39h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 2/159:35 am -
3 stops41h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 2/145:45 am -
3 stops41h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 2/166:05 pm -
3 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/116:30 pm -
3 stops53h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/810:55 pm -
3 stops50h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/2111:55 am -
2 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$449
This Austrian Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/144:00 pm -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Austrian Airlines logo]()
$862
This oojo deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/159:50 pm -
1 stop28h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Turkish Airlines logo]()
$915
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 2/169:40 am -
1 stop32h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Turkish Airlines logo]()
$946
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $811 (Kiwi.com) |
One-way from | $393 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $871 |
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 7,457,451 searches. Data last updated October 22, 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 Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 11/16
11:20 pm-3:30 pm
3 stops48h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$416
VarnaChicago
VAR Varna - ORD Chicago O'Hare Intl
VARORD
Varna
Mon 2/15
9:35 am-7:15 pm
3 stops41h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$425
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 11/9
11:30 pm-3:30 pm
3 stops48h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$439
VarnaChicago
VAR Varna - ORD Chicago O'Hare Intl
VARORD
Varna
Tue 2/16
6:05 pm-7:15 pm
3 stops33h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$442
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 11/8
10:55 pm-5:20 pm
3 stops50h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$448
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Wed 11/11
6:30 pm-3:30 pm
3 stops53h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$448
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 12/21
11:55 am-5:20 pm
2 stops37h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$449
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sat 11/7
9:55 pm-5:20 pm
3 stops51h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$458
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Tue 12/22
2:25 pm-9:20 pm
2 stops38h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$512
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 11/1
10:55 pm-5:20 pm
3 stops50h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$533
Showing 1-10 of 27 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.
VAR-ORD
SOF-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
BG0-CHI
VAR-ORD
SOF-ORD
What is the cheapest month to book a flight from Bulgaria to Chicago?
Currently, February is the cheapest month in which you can book a flight from Bulgaria to Chicago (average of $777). Flying from Bulgaria to Chicago in August is currently the most expensive (average of $939). 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 31 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 October 22, 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.
Comfort
7.7
Food
7.4
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Food
7.4
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Food
7.4
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Food
7.4
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Food
7.4
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Food
7.4
Overall
7.8
Boarding
7.8
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 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
Merrillville
Lansing
Valparaiso
Hammond
Saint Joseph
Porter
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Chicago flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 October 22, 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 October 22, 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 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$635 | Average$785 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$650 | Average$769 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$685 | Average$858 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$735 | Average$881 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$743 | Average$880 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$845 | Average$1,019 | FlexibilityNo cancel fee | On-time78% |