$359+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — CHI
Oct 9 — Oct 161
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 September 9, 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 September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$827
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$828
This oojo deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:35 pm -
1 stop13h 15m
Mon 11/169:50 pm -
1 stop32h 00m
Deal found 9/5![LOT logo]()
$831
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:10 pm -
2 stops28h 40m
Sat 1/306:30 pm -
2 stops15h 25m
Deal found 9/8![Multiple Airlines logo]()
$835
This Mytrip deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:15 pm -
2 stops30h 45m
Tue 10/207:25 pm -
3 stops19h 20m
Deal found 9/7![Multiple Airlines logo]()
$840
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Mon 2/19:50 pm -
1 stop17h 05m
Deal found 9/6![Multiple Airlines logo]()
$843
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Sun 1/319:50 pm -
1 stop12h 30m
Deal found 9/6![Multiple Airlines logo]()
$844
This Gotogate deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:05 am -
1 stop32h 55m
Fri 11/69:15 pm -
1 stop28h 00m
Deal found 9/9![Turkish Airlines logo]()
$844
This lol.travel deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
2 stops19h 43m
Thu 11/1912:50 pm -
2 stops16h 35m
Deal found 9/7![Air Canada logo]()
$848
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:20 pm -
1 stop13h 35m
Sun 1/314:10 pm -
1 stop14h 05m
Deal found 9/6![Multiple Airlines logo]()
$850
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 September 9, 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 September 9, 2026.
This Gotogate deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:05 am -
1 stop32h 55m
Fri 11/69:15 pm -
1 stop28h 00m
Deal found 9/9![Turkish Airlines logo]()
$844
This Gotogate deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:00 pm -
1 stop29h 20m
Wed 10/285:20 pm -
1 stop14h 55m
Deal found 9/5![Austrian Airlines logo]()
$859
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:10 pm -
1 stop13h 45m
Thu 11/59:50 pm -
1 stop17h 05m
Deal found 9/4![United Airlines logo]()
$863
This Orbitz deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:10 pm -
1 stop13h 45m
Thu 11/57:05 am -
2 stops20h 45m
Deal found 9/4![Multiple Airlines logo]()
$870
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:30 am -
1 stop16h 25m
Tue 11/249:50 pm -
1 stop17h 05m
Deal found 9/6![United Airlines logo]()
$865
This Austrian Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:00 pm -
1 stop29h 20m
Thu 10/292:21 pm -
2 stops17h 54m
Deal found 9/7![Austrian Airlines logo]()
$880
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:00 pm -
2 stops33h 20m
Fri 10/3010:50 pm -
2 stops33h 25m
Deal found 9/8![Multiple Airlines logo]()
$914
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:10 pm -
1 stop13h 45m
Tue 10/279:00 am -
2 stops21h 15m
Deal found 9/5![United Airlines logo]()
$866
This Austrian Airlines deal was found by Cheapflights users on 9/8. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:35 pm -
2 stops35h 45m
Fri 10/305:20 pm -
1 stop14h 55m
Deal found 9/8![Austrian Airlines logo]()
$886
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:25 am -
2 stops25h 36m
Tue 1/56:20 pm -
2 stops44h 35m
Deal found 9/4![United Airlines logo]()
$871
This Austrian Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:00 pm -
2 stops33h 05m
Tue 10/272:21 pm -
2 stops17h 54m
Deal found 9/5![Austrian Airlines logo]()
$886
This Gotogate deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:20 am -
1 stop32h 20m
Fri 10/98:10 pm -
1 stop28h 20m
Deal found 9/5![Turkish Airlines logo]()
$1,148
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
2 stops25h 02m
Thu 3/49:50 pm -
1 stop17h 05m
Deal found 9/6![United Airlines logo]()
$871
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:30 am -
2 stops18h 23m
Mon 11/231:55 pm -
2 stops15h 20m
Deal found 9/6![United Airlines logo]()
$871
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:40 pm -
3 stops29h 05m
Fri 11/67:15 pm -
3 stops36h 00m
Deal found 9/9![Multiple Airlines logo]()
$1,181
This Mytrip deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:00 pm -
3 stops35h 15m
Tue 10/271:55 pm -
3 stops21h 10m
Deal found 9/5![Multiple Airlines logo]()
$1,183
Last-minute flights from Bulgaria to ChicagoDiscover last-minute flight deals from Bulgaria to Chicago. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Bulgaria to Chicago. Data last updated September 9, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:15 pm -
2 stops30h 45m
Tue 10/207:25 pm -
3 stops19h 20m
Deal found 9/7![Multiple Airlines logo]()
$840
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:20 pm -
1 stop13h 35m
Sun 1/314:10 pm -
1 stop14h 05m
Deal found 9/6![Multiple Airlines logo]()
$850
This Lufthansa deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:20 pm -
1 stop13h 35m
Sat 1/306:00 pm -
1 stop20h 55m
Deal found 9/6![Lufthansa logo]()
$853
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$827
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Mon 2/19:50 pm -
1 stop17h 05m
Deal found 9/6![Multiple Airlines logo]()
$843
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Sun 1/319:50 pm -
1 stop12h 30m
Deal found 9/6![Multiple Airlines logo]()
$844
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Sun 1/249:00 pm -
1 stop32h 40m
Deal found 9/6![Multiple Airlines logo]()
$854
This Gotogate deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:30 am -
1 stop14h 25m
Wed 10/143:35 pm -
1 stop12h 35m
Deal found 9/7![Lufthansa logo]()
$848
This oojo deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:35 pm -
1 stop13h 15m
Mon 11/169:50 pm -
1 stop32h 00m
Deal found 9/5![LOT logo]()
$831
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 September 9, 2026.
Search for one-way flight options from Bulgaria to Chicago. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:35 am -
3 stops39h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 11/199:30 pm -
3 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 1/72:35 pm -
3 stops34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 1/77:55 pm -
3 stops29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/1511:45 pm -
3 stops44h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/202:20 pm -
2 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 am -
3 stops20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$482
This Priceline deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:00 pm -
1 stop30h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:30 pm -
3 stops52h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$659
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/74:00 pm -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Austrian Airlines logo]()
$847
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 1/72:35 pm -
3 stops26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$1,038
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/202:35 pm -
3 stops26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$1,070
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $827 (Kiwi.com) |
One-way from | $359 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $760 |
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 September 9, 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
Thu 11/19
9:30 pm-5:20 pm
3 stops27h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$414
VarnaChicago
VAR Varna - ORD Chicago O'Hare Intl
VARORD
Varna
Thu 1/7
7:55 pm-5:20 pm
3 stops29h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$461
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Tue 9/15
11:45 pm-12:40 pm
3 stops44h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$471
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 10/25
7:35 pm-6:45 pm
2 stops30h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$532
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 10/29
4:00 pm-3:45 pm
1 stop30h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$562
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Fri 9/18
6:00 am-5:15 am
2 stops55h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$586
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Wed 1/20
10:10 am-2:55 pm
1 stop36h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$587
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 11/5
4:00 pm-2:45 pm
1 stop30h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$589
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 1/7
4:00 pm-2:45 pm
1 stop30h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$611
SofiaChicago
SOF Sofia - MDW Chicago Midway
SOFMDW
Sofia
Fri 9/18
6:30 pm-2:35 pm
3 stops52h 05m
Chicago Midway
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$659
Showing 1-10 of 28 resultsSorted by cheapest first
Best time to book a flight from Bulgaria to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Bulgaria with our price prediction graph.
SOF-ORD
VAR-ORD
SOF-MDW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Bulgaria to Chicago
BG0-CHI
SOF-ORD
VAR-ORD
SOF-MDW
What is the cheapest month to book a flight from Bulgaria to Chicago?
Currently, November is the cheapest month in which you can book a flight from Bulgaria to Chicago (average of $756). 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 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated September 9, 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.
Food
7.3
Overall
7.8
Crew
8.4
Entertainment
7.2
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Food
7.3
Overall
7.8
Crew
8.4
Entertainment
7.2
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Food
7.3
Overall
7.8
Crew
8.4
Entertainment
7.2
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Food
7.3
Overall
7.8
Crew
8.4
Entertainment
7.2
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Food
7.3
Overall
7.8
Crew
8.4
Entertainment
7.2
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Food
7.3
Overall
7.8
Crew
8.4
Entertainment
7.2
Comfort
7.7
Boarding
7.8
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
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 September 9, 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 September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$625 | Average$833 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$629 | Average$764 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$652 | Average$766 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$714 | Average$860 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$735 | Average$815 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$806 | Average$913 | FlexibilityNo cancel fee | On-time78% |